Cables Unlimited 2 -Port DB9 Serial PCI I/O Card (IOC2200) Standard Card

Great card, (What's this?) Very easy install for this card.
Mixed feelings, I will have to admit, I have mixed feelings about this product. I have purchased them before and had absolutely no problems. In fact, I am using one right now on my workplace PC and it has performed flawlessly since installation. However, I had occasion to purchase two more - one to replace a port damaged by lightning and one to keep as a 'back up' in case of more failures (at work). I installed the new port card and the computer would not boot, giving me an error message about 'operating system not found'. I ended up taking the computer to the repair shop and the problem was identified as the new port card.
Manufacturer out of business, (What's this?) The manufacturer is out of business, so info might be scarce.
Won't work on Windows XP, (What's this?) The drivers do not work correctly on Windows XP. The web site listed in the manual to download updated drivers is no longer working, the site has disappeared.
Standard Card, (What's this?) When I tried to install the card, I found that it will not work in the new computer that I bought. It is a PCI bus rather than the PCIE bus. A day or two of research led me to the correct card which I ordered from another source.

All was not lost as I decided to upgrade the memory in my old computer and retain it in case the Windows 7 computer proves unsatisfactory. The PCI card fits there, so I now have 3 serial ports plus some USB ports in my XP Pro computer.
Think Twice, Product seemed good - installed easy and went through setup. But doesn't have drviers to make it work for Windows XP. I tried to contact manufacturer which isn't possible. I even searched web for over an hour for a driver that would make it work - couldn't find one. So for the one I bought, and the driver CD that came with it, it is completely useless. Plan on returning if I still can and have already ordered another one from a different manufacturer that works fine.
Questionable but works, (What's this?)

Pin header serial port connector x 1

Compatible with standard 16C550 UART with 16 byte transmit-receive FIFO

PCI Specification Revision 2.1 compliant

DB9 serial port connector x 2

Fast data rates up to 1 Mbytes/sec

Pin header serial port connector x 1.Compatible with standard 16C550 UART with 16 byte transmit-receive FIFO.PCI Specification Revision 2.1 compliant.DB9 serial port connector x 2.Fast data rates up to 1 Mbytes/sec. This easy to install and configure PCI card from Cables Unlimited adds 2 extra high-speed serial port to any PC. This simple and reliable card is compatible with any serial peripheral and provides the most convenient way of connecting PCs to external modems, serial printers, Palms, mice, point-of-sale devices, digital cameras, etc.

Best Connectivity SD-PCI15024 PCI One Serial Port Card with SystemBase Chipset SB16C1052PCI I bought 2 that never worked with Linux

I bought 2 that never worked with Linux, (What's this?) I bought 2 of them for external serial modems and neither of them ever worked in Ubuntu 11.10 systems. The vendor never replied to my attempts to contact them. Thankfully Amazon took them back and gave my money back.
Perfect for 1, (What's this?) If you only want to use one console cable, this one is perfect. I use it to connect to cisco switches routers and asa appliances. If you only need one connection, go with this. Otherwise, I would say to go with the dual console.
It Works on a Dell 4400 with XP Pro SP3, (What's this?) It works fine with no issues on Dell 440 WinXP Pro SP3. Using it to print to Automated Packaging Systems Precision Printers. I previously tried the Startech brand and they did not work.

PCI one serial ports card with SystemBase Chipset SB16C1052PCI. Easy Plug & installation automatically selects IRQ and I/O address. Fully compliant with PCI Local Bus Specification Revision 2.3. Supports PCI power management. Supports PCI IRQ sharing feature, saves valuable resources for other add-on cards. Compatible with industrial standard 16C550 UART. On-chip 256-byte depth FIFO in Transmit & Receive paths of each port. Fast data rate up to 115.2Kbps on each port. Supports hardware and software flow control. Supports 5-, 6-, 7-, 8-bit serial format. Supports Even, Odd, None, Space & Mark parity. Supports 1, 1.5, or 2 Stop bit operation. Hardware: Computer with PCI slot.

StarTech.com 1 Port Low Profile Native PCI Express Serial Card with 16950 (PEX1S952LP)

Native single-Chip, single lane PCI Express

High Performance Single Channel Oxford 950 UART

Less load on the CPU (Up to 48% Less)

128-byte deep FIFO per transmitter and receiver

Equipped with a low profile bracket for PnP support for Micro and Slimline PC form factors.

Native single-Chip, single lane PCI Express.High Performance Single Channel Oxford 950 UART.Less load on the CPU (Up to 48% Less).128-byte deep FIFO per transmitter and receiver.Equipped with a low profile bracket for PnP support for Micro and Slimline PC form factors.. This low profile/half-height PCI Express Serial card adds an RS232 (DB9) Serial Port to a computer through an available PCI Express slot, while relying on a native, single-chip design (Oxford OXPCIe952) that harnesses the capability of true PCI Express - ensuring maximum performance and reliability and reducing the load applied to the CPU by as much as 48% over conventional (bridge chip) serial cards. The PCIe Serial Card features a low profile/half-height mounting bracket that's designed specifically for low profile/small form factor computer cases; compatible with a broad range of operating systems, including Windows 2000/XP/2003/Vista, and Linux Kernel 2.6.11 and up, the PEX1S952LP PCI Express Serial Card is backed by StarTech.com''s Lifetime Warranty and free lifetime technical support.

NEW RS-232 Serial Converter (Networking)

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VScom 200E PCIex

Extra bracket for Low Profile cases

PCI Express x 1, 2 x RS232

PCI Plug and Play, Drivers for Windows 2000, XP, 2003 and Vista

16C950 (128 Byte FIFO), 921 kbps

Extra bracket for Low Profile cases.PCI Express x 1, 2 x RS232.PCI Plug and Play, Drivers for Windows 2000, XP, 2003 and Vista.16C950 (128 Byte FIFO), 921 kbps. The VScom 200E PCIex is an add-on card for PCI Express, providing two serial ports. These high speed serial ports with their 128 byte long FIFO are best for high speed communication, even in heavy loaded systems.Many unique features reduce the system load. They also allow very unusual speed settings such as 500.000bps. The extra bracket allows to place the card in Low Profile cases.

Best Connectivity SD-PEX15021 PCI-Express RS232 1x Serial Port PCI express serial card

Have not figured out how to use the "re-map function for legacy ports", (What's this?) Works well on Windows 7, but have not figured out how to use the "re-map function for legacy ports". Drivers are available on mini-CD and online, but I have not been able to find any other technical documentation.
PCI express serial card, (What's this?) These cards worked great! I am using them in Dell Vostro 260 PCs with Windows 7 x64.
The driver is on the small CD included and then Windows had an update for it also.
New PCs do not have regular PCI slots only PCI express.
PC will not boot once this card is inside, (What's this?) I bought this card for its price, simplicity, "future-proof" PCI-e interface and the two reviews here. Problem is, once it's installed the PC (Dell Dimension 3100) will not boot - HD spins up but nothing else happens (at least for an hour or so). Powering down and pulling this card out lets the system boot properly. Updated BIOS to current rev with no change. There are no BIOS settings for enabling/disabling/modifying the PCI-e 1x slot.
Though the directions say to put the card in and install the drivers when Windows looks for them, on a chance I installed the cards downloaded from the specified site - again with no change in the non-booting behaviour.

No idea why it is preventing booting, but it's going back to Amazon and I'll be getting a plain old PCI rs232 card instead.
Works Well! Great Speed!, (What's this?) I bought this card for a new slim-sized computer which didn't have a serial port on the motherboard. I am using this card for a old Sabre ticket printer. I installed the latest drivers(WHQL) from the card's manufacture's website. It is more reliable than USB-to-serial adapters. Installation was very easy. PCI express cards are the ones to buy because all new computers will not have PCI slots.
Reviewing the Best Connectivity SD-PEX15021 PCI Express RS232 1x Serial Port, (What's this?) I received this product and wasn't quite sure what to make of the tiny plug-in edge card. Only when I realized that it could plug into any PCI express port, given the "notch" in the board lined up correctly, did I decide to give it a try.

Bingo! This card works wonderfully and is used as a CAT (Computer Aided Tranceiver) control port for my Amateur Radio Tranceiver. There is no problem, my computer immediately recognized the RS232 PCI express card.

This is a fine product for the cost and offers the additional RS232 serial port I required to match my radio with computer software.

Best Connectivity 1-Port RS-232 Serial PCI Express x1 Controller Card General Features:

Single-lane PCI Express x1 interface w/2.5 Gbps throughput

Supports re-map function for legacy ports

Fully compliant with PCI Express Base Specifications Revision 1.0a

MOSCHIP MCS9901CV One (1) 9-pin RS-232 Serial port

Best Connectivity 1-Port RS-232 Serial PCI Express x1 Controller Card General Features:.Single-lane PCI Express x1 interface w/2.5 Gbps throughput.Supports re-map function for legacy ports.Fully compliant with PCI Express Base Specifications Revision 1.0a.MOSCHIP MCS9901CV One (1) 9-pin RS-232 Serial port. PCI-Express RS232 1x Serial Port with MSC9901 Chipset. Fully compliant with PCI-Express Base Specification Revision 1.0a. Single-Lane (x1) PCI-Express with throughput up to 2.5Gbps. Low profile ready with extra low profile bracket. Compatible with industrial standard 16C550 UART. On chip 256-byte depth FIFO in transmit. Transfer data rates up to 250Kbps on each port. Supports hardware and software flow control. Supports 5, 6, 7, 8-bit serial format. Hardware: Computer with PCI-Express card slot.

Startech Com 2 Port Pcie Rs232 Serial Adapter Card

Data Link Protocol RS-232

Networking Interface PCI Express x1

Networking Type Serial adapter

Form Factor Plug-in card

Connectivity Technology Wired

Data Link Protocol RS-232.Networking Interface PCI Express x1.Networking Type Serial adapter.Form Factor Plug-in card.Connectivity Technology Wired. This PCI Express Serial Adapter card can be installed into any PCI Express slot on a computer, to provide two high performance 16C950 RS232 serial UART channels/ports - a convenient solution for connecting modern or legacy serial devices with support for data transfer rates of up to 460 Kbps. The serial adapter card is easy to install, with support for Windows® 2000, XP, 2003 and Vista. Plus, the card features IRQ sharing and supports plug and play serial device connections, guaranteeing convenient, hassle-free installation. The 2 Port PCI Express 16C950 Serial Card is backed by StarTech.com?s lifetime warranty and FREE LIFETIME tech support.

Video Cable

Display adapter

mini-DisplayPort (M)

DisplayPort (F)

Display adapter.mini-DisplayPort (M).DisplayPort (F)..

STARTECH PCI 8PORT LP SERIAL ADAPTER - CARD WITH 16950 UART - PCI8S950LP

ALWAYS FREE SHIPPING WITHIN THE USA

ALWAYS FREE SHIPPING WITHIN THE USA. 1 x VHDCI RS-232 1.97" Height x 5" Width x 0.79" Thickness 2.12 oz 8 8 Port Low Profile RS232 PCI Serial Card w/ 16950 8 x 9-pin DB-9 Male RS-232 - Serial, Via Cable 8 Port Low Profile RS232 PCI Serial Card w/ 16950 Full Profile Bracket Cable Add 8 RS232 serial ports to your PC while only occupying one slot for maximum connectivity in minimal space. Both low and full profile brackets included to ensure fitment in any system chassis. Broad operating system support allowing seamless installation on many different platforms. Add 8 RS-232 serial ports to your computer via a single low profile or full height PCI slot. The PCI8S950LP 8 Port Low Profile RS232 PCI Serial Card with 16950 UART lets you turn a single low profile PCI slot into eight RS232 (DB9) serial connections. The unique design of the serial card and included break out cable feature a VHDCI (Very High Density Cable Interconnect) connector, enabling the addition of 8 serial interfaces while only using a single expansion slot. With the included full height bracket, this card can be easily installed in almost any computer case. The 8-port serial adapter card is compatible with a broad range of operating systems, including Windows 2000/XP/2003/Vista/Server 2008 R2/7, as well as Linux Kernel 2.4.x and up. A cost-effective solution for connecting industrial process control and monitoring equipment, serial modems, POS devices, ISDN terminal adapters and more to your system. DB-9 Male Serial Cable Lifetime Multiport Serial Adapter PC PCI-X PCI8S950LP Plug-in Card RoHS StarTech.com Yes www.startech.

StarTech.com 2 Port ExpressCard RS232 Serial Adapter Card with 16950 UART (EC2S950)

Great adapter, be careful of the connector, I've been using this adapter for over two years with great results. No more problems with USB to serial adapters. I write instrument drivers for laboratory automation instruments. I use it on a 15" MacBook Pro (2007) running WinXP Pro.

I recently had a noisy serial connection testing a driver. The problem turned out to be the delicate connector where the pig tail connects to the card. That is the only complaint I've had. This card has traveled in my computer bag all over the country the last two plus years.

The only issue I've had is the delicate connector.
Good performance at a very reasonable price, (What's this?) Very happy with this product. Adapter works very well with "legacy" software, as well as the latest gear. I had endless problems with USB to Serial adapters, but this Expresscard adapter worked perfectly with both Windows and DOS apps. The documentation on the driver was a little out of date, but it was easy to install.
It is operating very well and providing what I need., (What's this?) The software installation was not difficult to perform on my Vista 64bit laptop. After the software was installed, i then inserted the Expresscard adapter into the slot and it was detected by Vista. I had to locate a terminal/communication program that supported serial com ports greater than com-4. Once i did then find a program the adpater worked great and both serial connections could be operated at the same time.

Supports the RS232 specification.

Connect serial devices to any notebook with an available Express Card slot.

Offers 2 DB9 RS-232 ports to connect a serial device to a notebook with an available Express Card slot

Free Lifetime Technical Support

StarTech. com's Lifetime Warranty

Supports the RS232 specification..Connect serial devices to any notebook with an available Express Card slot..Offers 2 DB9 RS-232 ports to connect a serial device to a notebook with an available Express Card slot.Free Lifetime Technical Support.StarTech. com's Lifetime Warranty. This 2 Port Express Card Serial Adapter Card lets you add two serial ports to your laptop or Express Card equipped desktop computer, using an available Express Card slot. Featuring 128-byte FIFO communication, and a high performance 16C950 UART, the Express Card Serial Adapter card offers up to 921. 6Kbps data transfer rates, which ensures peak communication with your serial peripheral devices.

StarTech.com 2 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART (PEX2S952)

Native single-chip, single lane PCI Express offers increased speed and reduced CPU load by up to 48%

Data transfer rates of up to 460 Kbps for peak serial device performance

Compliant with PCI Express base specifications revision 1.0a

Standard and low profile bracket included ensuring easy installation into almost any system

Two high speed RS-232 serial ports with data transfer rate up to 460.8 Kbps

Native single-chip, single lane PCI Express offers increased speed and reduced CPU load by up to 48%.Data transfer rates of up to 460 Kbps for peak serial device performance.Compliant with PCI Express base specifications revision 1.0a.Standard and low profile bracket included ensuring easy installation into almost any system.Two high speed RS-232 serial ports with data transfer rate up to 460.8 Kbps. The PEX2S952 PCI Express based serial card turns a PCI Express slot into 2 RS-232 (DB9) serial connections. The adapter card is based on a native single chip design, that allows you to harness the full capability of PCI Express (PCIe) - providing optimum reliability and speed while reducing the load applied to the CPU by as much as 48% over conventional (bridge chip) serial cards. The RS232 Serial Adapter Card is compatible with a broad range of operating systems, including Windows 2000/XP/2003/Vista/Windows 7/Server 2008 R2 (32 and 64 bit), Linux Kernel 2.6.11 and up, as well as MAC OS 10.4 and above. Plus, the adapter card includes an optional half-height/low profile bracket that allows the card to be installed in virtually any computer case - making it that much easier to add serial ports to a PCI Express enabled computer, regardless of the size of the computer case. Backed by a StarTech.com Lifetime warranty and free lifetime technical support.

StarTech.com PEX16S952LP 16 Port Low Profile RS232 PCI Express Serial Card - Cable Included

Native single-Chip, single lane PCI Express means less load on the CPU, and higher performance

High Performance Dual Channel Oxford 950 UART offers reliability, speed and broad OS compatibility

Includes both low and full profile brackets ensuring maximum compatibility; ships with low profile configuration

128-byte deep FIFO per transmitter and receiver

16 high speed RS-232 serial ports with data transfer rate up to 921.6 Kbps

Native single-Chip, single lane PCI Express means less load on the CPU, and higher performance.High Performance Dual Channel Oxford 950 UART offers reliability, speed and broad OS compatibility.Includes both low and full profile brackets ensuring maximum compatibility; ships with low profile configuration.128-byte deep FIFO per transmitter and receiver.16 high speed RS-232 serial ports with data transfer rate up to 921.6 Kbps. The PEX16S952LP 16 Port Low Profile RS232 PCI Express Serial Card with Cable Included lets you turn a single low profile PCIe slot into 16 RS232 (DB9) serial connections. The serial adapter card is based on a native single chip design that allows you to harness the full capability of PCI Express (PCIe), delivering optimum reliability and speed while reducing the load applied to the CPU by as much as 48% over conventional serial cards. This low profile serial card is compatible with a broad range of operating systems, including Windows 7, XP, and Server 2003, and features a VHDCI 68 pin connector with an included serial breakout cable for installation into a single low profile expansion card slot. The card also includes a full-sized bracket, for installation in standard form factor computers. Backed by a StarTech.com lifetime warranty and free lifetime technical support.

StarTech.com 2 Port PCI Express RS232 Serial Adapter Card with 16950 UART (PEX2S950)

128-byte deep FIFO per transmitter and receiver

Automated in-band software flow control using programmable Xon/Xoff in both directions

Easy to install and use with full step-by-step instructions

Automated out-of-band hardware flow control using RTS / CTS and/or DSR / DTR

Data transfer rates of up to 460 Kbits/sec for peak serial device performance

128-byte deep FIFO per transmitter and receiver.Automated in-band software flow control using programmable Xon/Xoff in both directions.Easy to install and use with full step-by-step instructions.Automated out-of-band hardware flow control using RTS / CTS and/or DSR / DTR.Data transfer rates of up to 460 Kbits/sec for peak serial device performance. This PCI Express Serial Adapter card can be installed into any PCI Express slot on a computer, to provide two high performance 16C950 RS232 serial UART channels/ports - a convenient solution for connecting modern or legacy serial devices with support for data transfer rates of up to 460 Kbps. The serial adapter card is easy to install, with support for Windows® 2000, XP, 2003 and Vista. Plus, the card features IRQ sharing and supports plug and play serial device connections, guaranteeing convenient, hassle-free installation. The 2 Port PCI Express 16C950 Serial Card is backed by StarTech. com’s lifetime warranty and FREE LIFETIME tech support.

SYBA Single Serial Port Express Card [SY-EXP15026]

DB-9 Serial Port for Laptops with ExpressCard Slots, (

OEM Part Number: SY-EXP15026. UPC Code: 810154013685.

Package includes: Single Serial Port 34mm ExpressCard, Driver CD, User manual, Supports Windows 2000 / XP / Vista / Windows 7; Linux.

This SYBA Single Serial Port Express Card supports standard Serial RS-232 Interface through ExpressCard / 34mm port. Compliant with ExpressCard / 34mm standard.

Support remote wake up & power management feature. Fully plug & play and hot plug compatible.

Supports RS-232 flow control mechanism. Compatible with 16C950 UART and its backwards. Large 128-Byte transmit & receive FIFO.

OEM Part Number: SY-EXP15026. UPC Code: 810154013685..Package includes: Single Serial Port 34mm ExpressCard, Driver CD, User manual, Supports Windows 2000 / XP / Vista / Windows 7; Linux..This SYBA Single Serial Port Express Card supports standard Serial RS-232 Interface through ExpressCard / 34mm port. Compliant with ExpressCard / 34mm standard..Support remote wake up & power management feature. Fully plug & play and hot plug compatible..Supports RS-232 flow control mechanism. Compatible with 16C950 UART and its backwards. Large 128-Byte transmit & receive FIFO.. This SYBA Single Serial Port Express Card supports standard Serial RS-232 Interface through ExpressCard / 34mm port. Compliant with ExpressCard / 34mm standard. Supports RS-232 flow control mechanism. Compatible with 16C950 UART and its backwards. Large 128-Byte transmit & receive FIFO. Support remote wake up & power management feature. Fully plug & play and hot plug compatible. Package includes: Single Serial Port 34mm ExpressCard, Driver CD, User manual. Supports Windows 2000 / XP / Vista / Windows 7; Linux. OEM Part Number: SY-EXP15026. UPC Code: 810154013685.

4PORT DB9 Pcie RS232 550 Pci Cyberserial 4S

SIIG JJ-P45012-S7 CYBERSERIAL 4S 550 PCI

SIIG JJ-P45012-S7 CYBERSERIAL 4S 550 PCI..

SMARTII SMARTTI IO SMT-SY-PCI15003 1-SERIAL PORT PCI 32-BIT CARD RETAIL - SMT-SY-PCI15003

Fast data rates up to 1 Mbytes/sec.

Build-in 16C550 compatible UART with 16 byte transmit-receive FIFO.

Smartti IO SMT-SY-PCI15003 1-Serial Port PCI 32-Bit Card Retail.

Able to support 16C650 (32 byte FIFO), 16C750 (64 byte FIFO), 16C850 (128 byte FIFO) compatible UART (Not all version).

Automated Teller machine, Bar-Code Reader, Digital Camera, Digitizing Tablet, External modem, Finger Print Identification, Infra-Red Transceiver, ISDN T/A, Magnetic Card Reader, PDAs, POS Devices. Multi-Modem Dial-up Server etc.

Fast data rates up to 1 Mbytes/sec..Build-in 16C550 compatible UART with 16 byte transmit-receive FIFO..Smartti IO SMT-SY-PCI15003 1-Serial Port PCI 32-Bit Card Retail..Able to support 16C650 (32 byte FIFO), 16C750 (64 byte FIFO), 16C850 (128 byte FIFO) compatible UART (Not all version)..Automated Teller machine, Bar-Code Reader, Digital Camera, Digitizing Tablet, External modem, Finger Print Identification, Infra-Red Transceiver, ISDN T/A, Magnetic Card Reader, PDAs, POS Devices. Multi-Modem Dial-up Server etc.. Easy Plug and installation automatically selects IRQ and I/O address.Supports PCI IRQ sharing-saves valuable resources for other expansion card.Support 32-bit PCI Bus, PCI Specification 2.1.Supports more than one card into system.Hardware: Computer with one PCI slot.Supports: Windows 2000, XP, Vista, Linux and DOS Operating System.

CalDigit FASTA-4e, 4 Port PCI Express SATA 3G Host Adapter Card, for Mac Pro, G5 and Windows Desktops

Connect up to 20 SATA hard drives

Enhance Your Editing Experience: FASTA-4e can easily handle multiple streams of a variety video formats such as 10 bit uncompressed HD, 8 bit uncompressed HD, DVCPro HD, 8 bit SD, 10 bit SD, HDV, etc.

No More Costly Fibre Channel or SCSI: At 450+ MBps, editors can easily handle 10 bit uncompressed HD footage with real time effects without waiting for rendering or spending money on expensive Fibre Channel or SCSI solution.

Connect up to 4xS2VR HD or 2xS2VR Pro.

Upgrade your Mac Pro and G5 Dual-core: FASTA-4e provides the missing external SATA ports for the Mac Pro and G5 Dual-core. The FASTA-4e offers four external SATA 3G ports at up to 3 Gbps.

Connect up to 20 SATA hard drives.Enhance Your Editing Experience: FASTA-4e can easily handle multiple streams of a variety video formats such as 10 bit uncompressed HD, 8 bit uncompressed HD, DVCPro HD, 8 bit SD, 10 bit SD, HDV, etc..No More Costly Fibre Channel or SCSI: At 450+ MBps, editors can easily handle 10 bit uncompressed HD footage with real time effects without waiting for rendering or spending money on expensive Fibre Channel or SCSI solution..Connect up to 4xS2VR HD or 2xS2VR Pro..Upgrade your Mac Pro and G5 Dual-core: FASTA-4e provides the missing external SATA ports for the Mac Pro and G5 Dual-core. The FASTA-4e offers four external SATA 3G ports at up to 3 Gbps.. The first external 4 port PCI-e SATA 3G host adapter card compatible with Apple's latest Mac Pro, Power Mac G5 and any PC equipped with PCI-e slot. FASTA-4e features high speed SATA 3G connection at 3 Gbps bandwidth and allows you to connect upto 4 external SATA devices. With the Port Multiplier functionality, FASTA-4e can support up to 20 hard drives (like CalDigit's S2VR 5-drive Hardware RAID). With FASTA-4e, you have the potential to actually use the greatest speeds and the best STR (Sustainable Transfer Rate) that are available with SATA 1.5Gb/s and 3Gb/s interfaces, when you begin to stack SATA drives together in RAID (like SATA dumb box, Port Multiplier-aware enclosure or CalDigit S2VR Hardware RAID series). Supporting high capacity and sustained data transfer, FASTA-4e is ideal for connecting to video and photo editing "scratch disks", huge photo/MP3/movie libraries and small to medium business file servers.