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Baaqii > 
Item#: 9SIA2970S53076

Baaqii A251 PCI-E PCI-Express to 3 Gbps 2 eSATA 2 SATA II Adapter Converter Card

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Supports RAID Level 0 and RAID Level 1
PCI-E (PCI Express) interface
2 eSata ports
2 Internal SATA port
Complies with Serial ATA specification Revision 1.0
Support SATA II devices, transfer rate up to 3.0 Gbps
Chipset: Silicon Image 3132 (SiL3132)
Compatibility: Works for Windows 2000, XP, Vista, Windows 7 (32/64bit) Server 2003
Only two ports can be used at same time, please adjust onboard jumpers to make the switch.
Sata cable length: approx. 50cm
Package Includes
1 x PCI-E to 2 SATA II 2 eSATA Card.
2 x SATA Data Cable.
1 x CD Driver.

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Customer Reviews of the Baaqii A251

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  • Michael W.
  • 5/23/2015 12:36:13 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsUnique, Works

Pros: This is the only Sii3132 card I've found that can give you one eSATA AND one internal SATA port -- and the fact that you can change it is a nice bonus. Hot-plug and port-multiplier support work flawlessly, as you'd expect from a generic Silicon Image based card.
Card comes with the latest non-RAID BIOS, and you can easily flash a different BIOS, through the device Properties in Windows' Device Manager.

Cons: The jumper-settings printed on the card are backwards (incorrect) -- the jumpers to enable port 1 actually enable port 3, jumpers for port 2 enable port 4, and vice-versa. Thought I had a DOA card at first!
Baaqii ships this in an unsealed box on the slow boat from China -- it takes about a month! My card arrived coated in a white residue (like water spots -- from salty air?) that I had to carefully clean off all the connectors with alcohol (a real PITA) to ensure a good connection.

Other Thoughts: I doubt there will be any further updates to this chip, but you can get current (and old) BIOS, drivers, and RAID-Management utility at
Just keep in mind if switching to a RAID BIOS, that the Sii3132 RAID1/RAID0 performance is mediocre at best, and RAID5 is unbelievably slow.

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  • Kang K.
  • 1/16/2015 9:50:34 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsMissing instructions

Pros: Good price.

Cons: No instructions.

Other Thoughts: I have received the products with the CD. But there is no instructions on how to install on Windows 7. Can anyone shed some lights? Thanks.

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  • Bradley L.
  • 11/2/2013 9:01:16 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsSolid and Inexpensive

Pros: Shipped from China, but arrived in 1 week. Well-built with 2 internal SATA connectors and two external e-SATA connectors. Can only use internal OR external, not both at the same time.

Cons: Not very good documentation (all electronic on a mini-disc).

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  • Bolivar B.
  • 7/28/2013 6:44:54 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Works great. Just as described. Easy install.

Cons: Took a while to get to me.

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Item#: 9SIA2970S53076
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