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Item#: N82E16816124045

SYBA SY-PEX40039 PCI-Express 2.0 SATA III (6.0Gb/s) Controller Card

  • 2 x SATA 6.0Gb/s Internal Connectors
  • Up to 6Gb/s
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Learn more about the Syba SY-PEX40039




SATA III (6.0Gb/s)
Internal Connectors
2 x SATA 6.0Gb/s
PCI-Express 2.0
Transfer Rate
Up to 6Gb/s
Operating Systems Supported
Windows 7 (32/64bit)
Server 2003
Windows XP
Windows 2000


ASM1061 Chipset (Asmedia 1061 SATA Host Controller)

Compliant with PCI-Express Specification V2.0 and Backward Compatible with PCI-Express 1.x

Compliance Serial ATA AHCI Spec. Rev. 1.3, Serial ATA Rev. 3.0

Supports Hot Plug and Hot Swap

Supports Communication Speeds of 6.0Gbps, 3.0Gbps, and 1.5Gbps

Supports 2 Ports Serial ATA

Supports Native Command Queue (NCQ)

Supports Port Multiplier.


Package Contents
SATA III (6Gbps) Internal 2-port PCI-E Card
SATA Cable (18")
User Manual
Driver CD

Quick Info


  • Limited Warranty period (parts): Lifetime
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Syba SY-PEX40039

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  • David S.
  • 8/8/2014 7:10:52 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSYBA SY-PEX40039

Pros: Easy to install. Added 150mbps to my SSD Drive.

Cons: NONE

Did you find this review helpful? Yes No

  • Vladimir V.
  • 8/3/2014 3:58:03 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsSlower than my SATA II waste of money

Pros: Easy to setup, plug and play.

Cons: I actually got slower speeds than using my onboard SATA II controller on my SSD.

Motherboard P5N-D

Keep in mind I did use a PCI-E slot 16x 2.0 and I even tried the latest drivers.

This product was a waste of money and not worth the cost shipping back.

Manufacturer Response:

Dear Customer,

Transfer speed has many dependencies such as the hard drives, PCI bus bandwidth, controller card, and drivers.

We are more than happy to provide all of our customers with a prompt exchange whenever a product becomes defective.

SYBA offers an online RMA form, the user can easily fill out the form and submit it for a quick RMA return and

exchange. It is SYBA's policy to answer all customer inquiries within 24 hours (M-F)

Thank you for your feedback.

Regards, SYBA PST 08182014

Did you find this review helpful? Yes No

  • Terry W.
  • 7/21/2014 5:04:56 AM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsSYBA PCI-Express 2.0 SATA III Controller

Pros: I wouldn't know. It was supposed to have allowed me to take advantage of my 6gbs SSD because my motherboard only had 3gps controllers.

Cons: I plugged in the card and my crucial 240 gb solid state drive and attempt to boot to the drive. The card is recognized on boot up by my ASUS P 5N-D but crashes before booting to windows. I did this a couple of times and got a blue garbled screen prior to windows 7 loading. Now my controller card is not being seen by the motherboard with or without the SSD plugged into it. Worse than SSD is no longer being seen by my mother board whether plugged into the controller or the mother board. I have tried to plug it into multiple SATA slots on the motherboard and it is no longer seen in any of them.

Other Thoughts: I figured for 16 bucks, even if the card didn't work, I wouldn't be out much money. I was wrong. Now I am out an SSD as well. Beware installing this card, it says "Before installing this card, please make sure that you have a complete backup of your existing data from your hard drives" in it's documentation for a reason. I don't mind a cheap product not working, but when it destroys another more expensive product, I take serious issue with it. There are no money back warranty, the company will only replace the defective product. Without my drive working any more, there is no reason to spend the shipping money to replace the controller. I am not a happy camper right now.

Manufacturer Response:

Dear Customer,

We apologize for the inconvenience our product has caused.

If you have an OS installed to the Drive you are booting to this controller card, you will need to re-install the OS while the card is connected.

The reason your SSD was not bootable was mostly from Changes in the registry of the installed OS when you were trying to boot the controller card it had to make configuration changes or corruptions in the drive.

Try to run a chkdsk /f (windows - cmd)command on the SSD (may need to use an USB to HDD adapter) and recovering all the data on the SSD.

Also note that to obtain 6gbps the motherboard should have a PCI-e 2.0 supported bandwidth.

As you know we are more than happy to provide our customers with a hassle free replacement when a product is defective.

Thank you for your feedback.

Regards, SYBA 08182014

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  • Michael M.
  • 7/16/2014 7:05:17 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsMixed results

Pros: - Worked out of the box
- Came with the current FW

Cons: - Performance in a PCIe 1.1 slot is not even up to SATA II speeds
- Syba's site does not explicitly give a link to the current FW, I had to hunt to find it.
- Instructions to install in Win 8 caused a BSOD for me in 8.1 u1. Default driver worked best.
- Added a few seconds to my boot time (not a big deal though)

Other Thoughts: My Crucial MX100 benches 260MB/s on my onboard SATA II. This controller got me 160MB/s in my PCIe 1.0 slot. I did not read the reviews before purchase and did not know you needed a PCIe 2.0 slot to get full performance. I hoped I might get a slight bump at least, but that was not the case.

Buy only if you need some extra ports (mine were all used, so I am keeping it anyway). It certainly seems stable. I am keeping my DVD-ROMs hooked to it.

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  • John C.
  • 7/5/2014 10:24:57 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsEasy setup, nice performance

Pros: Did not add to boot time, configured automatically, no conflict with other devices in system. Fast operation.

Cons: None

Other Thoughts: I installed this in an HP ML310eG8 server. OS is Server2012R2. I have a CineRaid 4-place external storage array that was connected by eSata to an older server before upgrading to this box. The storage device can connect by eSata or USB3. I purchased a USB3 card (4 place StarTech PCIe x4 device so multiple devices could run at maximum speed) and found that the single hard drives would transfer data fast but the storage array would not. I selected this card specifically for the external storage array.

Install was quick and easy, just used a PCIe slot. I connected a Sata/eSata cable (with mounting bracket) to the card, plugged the array in and powered up. There was no noticeable delay in boot. Logged into the OS, the card already configured, the array was found and all the shares were still in place. Transfer speeds between the internal drives and the array are about 170MB/sec. (Just for reference, the transfer speed via USB3 was 30 MB/sec.)

Other notes: The single USB3 drives will transfer between 140-170 MB/sec any which way I move data (between themselves, or between them and internal or external arrays). This card put all external storage on the same transfer speed footing.

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

  • Gary Z.
  • 6/30/2014 6:34:20 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSmooth Win7 install, works perfectly

Pros: Very easy to install and configure in Windows 7, seen perfectly in BIOS, works smoothly with connected SATA III drives.

Cons: I don't like the 5-second boot delay with SCSI-like prompt.

Other Thoughts: I installed this in an older Dell XPS 720 that has SATA (1.5Gbps) ports, and only 1 PCI-ex x1 slot, so I wondered how the performance would turn out.

The card came with the latest firmware already installed, and it fit perfectly in the 1x slot.

I tried using the card, then switching the new SSD drive to the native SATA port, and although it started a bit quicker without the 5-second Syba card prompt delay, I locked up and had BSOD's. When I connected the drive back to the card, everything smoothed out, and runs perfectly and very fast. After about a year running Windows 7 with several programs in the background, my startup time was about a minute before I could check email. Startup time is now about 30 seconds from power-on, and about 10-15 seconds after the Dell and Syba prompts.

For a total investment of $75 for this card and a Kingston V300 120GB SSD, I'm very pleased with the overall performance boost in my older beast.

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  • Carmelo C.
  • 6/27/2014 10:59:29 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsMaster Tech

Pros: Works as it should, recognized card right after boot up and loaded drivers, has good read and write speeds

Cons: none

Did you find this review helpful? Yes No

  • Michael L.
  • 6/15/2014 12:54:05 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSYBA SY-PEX400

Pros: The installation of this PCI-Express card was simple, open case, insert into PCI-E 1x slot, tighten screw, connect a SATA cable between the card and hard disk. My use was to add additional ports, since my MythTV server running on Ubuntu was maxed out at 6 hard disks. No software was needed, the disk was easily found in Ubuntu Linux. The full performance of a 6 Gbps was not my first concern, since data rates would not be maximized on the spinning drive.

Cons: None for my needs in Ubuntu Linux.

Other Thoughts: Good reviews, so see others for Windows usage.

Did you find this review helpful? Yes No

  • Radoslaw D.
  • 6/11/2014 12:19:24 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsIt works until you connect something to it

Pros: cheap

Cons: It never worked right. As soon as it is installed, everything still work but as soon as I try to connect anything SATA device to it, computer would not boot up. I spend whole day playing with BIOS trying to make it work and it just doesn't. Weird, but as soon as I connect DVD RW, or any hard drive to this board, it hijacks boot process and keeps saying "no boot disk...". Changing boot priority doesn't do anything. Even connecting main hdd still doesn't help. Waste of time. Will be returning all 5 units.

Manufacturer Response:

Dear Customer,

Perhaps there was a compatibility problem between the motherboard PCIe bus and this card.

Update the motherboard/BIOS and, ensure that any system updates have been applied.

For any other help please contact Syba support.

Thank you for purchasing one of our products, and for leaving us your valuable feedback.

Please feel free to contact us @ if you require further assistance.

-Regards SYBA CST 06162014

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

  • Desmond D.
  • 6/10/2014 10:31:56 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat upgrade for SATA II motherboards

Pros: Facilitates AHCI and provides higher speeds for SATA III SSDs running on a SATA II motherboard

Cons: Increases boot time by approximately 5 seconds

Other Thoughts: My SATA III boot SSD was constrained in speed by my old SATA II motherboard, which also lacked AHCI. By connecting my SSD to this card, I not only secured AHCI but faster speeds for very large files than if the SSD was directly connected to the old SATA II motherboard.

Note that unlike other reviewers, I encountered no problems installing this card into a PCIe socket. If there were problems previously, it has obviously been resolved since it fits PERFECTLY in a PCIe socket. Second, for those not seeing speed boosts, check whether your PCIe socket is Version 1.0 or 2.0. If it is not 2.0, then don't get this card as you will not see increased speeds over SATA II. The speed increase observed is mainly for very large files. You will see noticeably higher READ scores on AS-SSD benchmarks for "4K-64Thrd" and "Seq" but READ scores for "seek time" and "4k" are about the same as with SATA II.

My overall Windows boot time increased by 5 seconds to reflect the BIOS on the controller card to get through its cycle before the system BIOS gets activated. However the increased boot time is "normal" in the sense that if you get a controller card, it can only be expected that its BIOS would do its job of booting tests.

The best way to determine the value of the card is to compare AS-SSD or other SSD benchmarks with and without the controller. Obviously, the best solution is to get a new motherboard to get full SATA III speeds of 6 Gbps (and not just PCIe Version 2.0 speeds of a max 5 Gbps) but if you do not want to go through the hassle of a motherboard upgrade, this can give you a partial boost over SATA II.

Note the controller on this card is ASmedia not Marvel (so definitely a good thing).

With a rebate, this was very cheap. If I had to spend more than 10 or 15 bucks then I might have considered getting a new motherboard

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

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Item#: N82E16816124045
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