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Item#: N82E16839150001

SIIG SC-SAE512-S1 eSATA II ExpressCard/54

  • Two external Serial ATA (eSATA) ports
  • Up to 3.0Gb/s (300MB/s)
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SIIG’s eSATA ExpressCard is a superior solution to expand your SATA storage capacity to your existing system. The 2-Port eSATA II ExpressCard/54 is designed to instantly add two external Serial ATA (eSATA) ports to your existing ExpressCard-equipped desktop or notebook computer for external SATA hard disk drive connections. It delivers data transfer rates of up to 3Gb/s and supports easy plug-n-play installation to external Serial ATA hard disk drives, and SATA hard disk hot-plugging to allow instant attachment and detachment of eSATA devices without having to first power your system off. This 2-Port eSATA II ExpressCard works with various brands of high speed SATA hard disk drives with capacities up to 2TB. It is an outstanding solution to expand your eSATA storage capacity for large volumes of data transferring between external hard disk drives and your computer.

The eSATA II ExpressCard works with systems having a 54mm wide ExpressCard slot and is fully compliant with SATA and eSATA industry standards, including Serial ATA 1.0a specification, eSATA connector specifications and RoHS compliancy. It is also fully compatible with a wide variety of Windows operating systems.

  • newegg Add eSATA Connectivity to Your Computer Powered by Silicon Image SiI3132 chipset, the SIIG SC-SAE512-S1 quickly adds two eSATA ports to your ExpressCard enabled computer for easy connection to external hard drives with up to 3Gb/s data transfer rates.
  • newegg Compatibility Works with 54mm ExpressCard slot.

Learn more about the SIIG, Inc SC-SAE512-S1




SATA II ExpressCard 54
Data Rates
Up to 3.0Gb/s (300MB/s)
Other Ports
Two External Serial ATA (eSATA) ports
ExpressCard slot
Operating Systems Supported
Windows 2000/XP/Server 2003
System Requirements
Notebook or desktop computer with an available ExpressCard/54 slot


Chipset: Silicon Image SiI3132
Easily add two external Serial ATA (eSATA) ports to your notebook or desktop for external drive connections
Supports data transfer rate up to 3.0Gb/s (300MB/s)
Supports Native Command Queuing (NCQ) and SATA TCQ commands
Easy plug-n-play installation to your external serial ATA drives
Supports SATA hard disk hot-plugging


Package Contents
eSATA II ExpressCard
Driver CD

Manufacturer Warranty

5 years limited

Quick Info


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 0 day

Customer Reviews of the SIIG, Inc SC-SAE512-S1

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  • Derek W.
  • 7/20/2012 10:36:50 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsWorks Flawlessly in Win7, Linux has issues

Pros: Worked like a charm in Windows 7 64-bit; I plugged it into my ExpressCard slot, Windows Update installed drivers automatically, and away I went. Transfer rates tend to hover between 70 and 80 MB/s, far lower than the 300 advertised, but still fast enough to blow USB 2.0 out of the water.

Cons: I couldn't get it to work properly in Ubuntu 10.04 (old version of Ubuntu, but my laptop doesn't play well with the newer ones). If I booted it with the drives attached, then it would recognize them, but even then it functioned at about 10 MB/s. Even worse, when I rebooted it with the drives attached, my laptop got stuck somewhere between POST and BIOS. Taking the battery out and replacing it fixed that problem. I could probably fix this with a bit of hacking though.

It also sticks out quite a bit. The fact that it's gray hooking up to a black laptop doesn't help.

Other Thoughts: I got this to take advantage of my poor, neglected ExpressCard slot, and because USB 2.0 is painfully slow. I've been using it primarily to transfer my Steam games to and from a backup hard drive, and aside from the Linux hiccups, it's done so admirably. I'm a bit disappointed that I'm not getting the uber-fast 300 MB/s advertised, but it's faster than USB 2.0, so I'm satisfied.

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  • Robert K.
  • 1/16/2012 3:16:10 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsSeamlessly detected by Windows 7 x64

Pros: Driverless installation for Windows 7 x64. External eSATA drives no longer randomly disconnect and reconnect as they did when using the motherboard's built-in eSATA port.

Cons: Does protrude quite a bit, as noted, but this is not really the fault of the device, nor is the insecure latching of ExpressCards, which seems to be an inherent flaw in the standard, not in its implementation.

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  • Anonymous
  • 6/29/2009 7:46:25 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks Great

Pros: Seems very fast. I use it primarily with linux, and it was recognized as soon as I plugged it in. Used to format an external Raid Array in ext4, mounted and I was off. No complaints at all.

Cons: None that I can see, does what it says it does.

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  • Chris O.
  • 6/25/2009 8:01:05 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsGreat Idea, Wrong Planet

Pros: Theoretically sounds like a great deal.

Cons: My realization is that eSATA is poorly understood & shabbily implemented. I bought this card; Windows refused to read the drivers on the CD; finally got the drivers to load; the SIIG ExpressCard Host Bus Adapter was recognized and my Computer could see the LaCie d2 Quadra. So far everything seems good.

However, although files could move between the Computer and the External HD, they did so at exactly USB speeds--no change in speed. Then I Googled, spoke with SIIG, LaCie, Toshiba, Newegg and even Intel. No one seems to really understand the eSATA system and what makes it work or fail. Maybe with the exception of the Intel Rep, and it is not HIS problem.

So, this may work for you or not. If it does not, do not expect any real support from anyone. Who's responsible for eSATA? No one wants to be.

Returned the unit.

Toshiba X205-S7483
Windows Vista Home Premium sp2
LaCie d2 Quadra External HD 1.5TB with eSATA, USB & FW ports on the back.

Other Thoughts: This is one of those issues where you have to say who is a fault here and the answer is everybody and nobody.

The SIIG just do the best they can and know that a certain percent will find the unit unuseable.

BTW: Like others, I noticed that my computer did stange, stange things on occaisions like locking up, but not a true crash, rather a dark shaddow comes over the screen, the BackUp program keeps working, but you cannot do anything or even get to the desktop.

1 out of 4 people found this review helpful. Did you? Yes No

  • Allan G.
  • 1/14/2009 6:26:24 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsNot Vista 64 friendly, but works fine in linux

Pros: Great transfer rates in Linux, xp, and Vista 32 bit Ultimate.

Fedora (pretty much any newer kernel) is very quick with this card, about 15-20MB/s faster than using the USB2 ports.

Cons: Vista 64 bit Ultimate will not recognize my Acomdata 500GB 2.5 inch hard drives. The OS sees the card but not the drives. I tried two sets of 64 bit drivers, the OEM and MS drivers.

All other OS's tested just fine.

Other Thoughts: I went to the SIIG website and the drivers there for download are the same version as on the CD. MS updates have a newer 64bit driver version, but that didn't work either.

The SIIG website doesn't have good FAQ support for this card.

2 out of 3 people found this review helpful. Did you? Yes No

  • Eric W.
  • 9/2/2008 5:45:54 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsDoes Not Disappoint

Pros: Quality hardware. Easy to setup and use.

Cons: NA

Other Thoughts: Went with the 54 instead of the 34 hoping that 34 Express Card doesn't become the norm on future laptops. Chose Siig over the cheaper models after doing some research online and decided that quality was the way to go. Other brands may be quality as well but I could not confirm that now. Until more reviews are out on the other cards... pay the price for something good.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 7/29/2008 12:04:35 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Supported by linux, vista64 and xp. No problems installing. Very fast operation.

Cons: If I unplug my laptop from the power supply the card makes then some noise. When plugged in, it is quiet though.

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  • Ryan P.
  • 7/4/2008 1:09:38 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsIt's Blue

Pros: Works in Linux without a fuss, Search the comments for Gentoo, he covered the bases, Works in Slackware 64 (SLAMD) 12.1 running without issue. Drives detected upon boot, haven't tried hot plugging. Write speed to a single drive was about 87MBs I'm coping data from one drive to another through it right now and the cp is only registering 11% usage. Of course, kcryptd is pegging a core, but that's to be expected.

Cons: The overhang is seriously underestimated. When you factor in "normal" eSATA cables, it sticks out about five inches (I measured) being careful about how close to the connector I bend it. I don't know if they exist, but angled cables would be a good thing.

I'm getting rather sick of this "Blue LED" trend.. Two activity indicators, nice bright blue LEDs.

Other Thoughts: Left (looking at connectors) connector is right side up, the other is upside down.. so right angles wouldn't work unless they went to the sides or something, or your laptop was elevated...

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  • James H.
  • 5/21/2008 10:17:41 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsUnbelievable Speed!

Pros: This card is exactly what I was looking for and exceeded my expectations. I originally wanted a fast interface for my external hard drives to store all of my data for my home network, but I am achieving speeds faster than my internal hard drives. I am now contemplating installing my OS on the external drives.

Cons: Just slightly bulky. (Sticks out about and inch.)

Other Thoughts: I've seen the other reviews stating the card sticks out alot, but do not let it hinder your decision, this card ROCKS!

1 out of 1 people found this review helpful. Did you? Yes No

  • ERHAN H.
  • 4/22/2008 3:33:35 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsworks like a charm

Pros: works out of the box with Vista 64 using eSata, didn't even had to use the driver cd..

Cons: it sticks out a bit

Did you find this review helpful? Yes No

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Item#: N82E16839150001
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