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Koutech > 
Item#: N82E16816104027

Koutech IO-PESA239 PCI-Express 2.0 x1 Low Profile Ready SATA III (6.0Gb/s) Dual Channel Controller Card

  • 2 x SATA 6.0Gb/s Internal Connectors
  • Up to 6Gb/s
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Learn more about the Koutech IO-PESA239


Form Factor
Low Profile Ready


SATA III (6.0Gb/s)
Internal Connectors
2 x SATA 6.0Gb/s
PCI-Express 2.0 x1
Transfer Rate
Up to 6Gb/s
Operating Systems Supported
PC with 512MB of RAM and 1.0GHz or faster processor
One (1) available PCI Express slot
32-bit or 64-bit Windows? XP/Server 2003/Vista/Server 2008/Windows 7/Windows 8


Compliant with one-lane PCI Express specifications (PCIe x1 slot)

Compliant with 5Gb/s PCI Express 2.0 specifications

Two (2) channels - Two (2) 6.0Gbps SATA III ports

Supports TRIM commands

Supports AHCI mode on default

Compliant with Serial ATA 2.6 specifications

Supports all SATA, SATA II, SATA III devices at 1.5/3.0/6.0 Gbps

Supports hard disk drive size at 3 TB or higher

48-bit LBA mode which can break capacity limit to support hard disk drive larger than 137GB in one partition

Header-pin on board for LED connection

Supports high performance Serial ATA devices; such as hard disk drives, CD/DVD-R/RW/Blu-Ray optical drives, SATA storage enclosures, etc.

Fully Plug-N-Play and Hot-Swap compatible.


Package Contents
One (1) PCI Express SATA card
One (1) low-profile bracket
User manual
Driver CD

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the Koutech IO-PESA239

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  • Anonymous
  • 8/21/2012 3:44:20 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

2 out of 5 eggsEh!

Pros: Adds a couple of SATA ports to any system with a PCIe 1 port.

Cons: I expected that this thing would increase my hard drive performance. It didn't. My onboard SATA ports are 3.0gb/s, and my hard drive is 6.0gb/s. I get slightly slower results when using this card than I do using the onboard ports.

If you're expecting par or improved performance, don't bother.

Other Thoughts: My system is relatively old anyway. And I could use the extra ports. Depending on how much of a hassle the return is, I might just keep it for now. I'm hoping to scrape together some dough and get a new system next year anyway. But if the return is relatively painless, I'm probably going to see if I can get a better card to replace it with.

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  • DARA M.
  • 8/18/2012 11:24:31 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsdoes not support 3TB drive

Pros: none

Cons: Does not support 3TB drive. It report mt WD 3TB drive as 748.39GB on Windows Server 2003. When I plugged the drive into the Highpoint RocketRaid 230x on the same server PC, it comes up as 3TB.

Other Thoughts: I brought this controller because it said it supports 3TB or higher, no such luck.

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

  • Saeid S.
  • 8/11/2012 11:23:54 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

2 out of 5 eggsNot Working Properly

Pros: Windows 7 quickly detects the card.

Cons: Before installing the card, my SSD Write Speed was 210 MB/s and Read Speed of 197 MB/s on a SATA II slot. After installing the card, my speed is now HALF of what I had before. I think, this should be a software issue. On their website, there is no software update for this card.

Other Thoughts: If I can't get the card fixed, it is going back to Newegg :(

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

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Home > 
Computer Hardware > 
Hard Drives > 
Controllers / RAID Cards > 
Koutech > 
Item#: N82E16816104027
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