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Item#: N82E16816124064

SYBA SI-PEX40064 PCI-Express 2.0 Low Profile Ready SATA III (6.0Gb/s) Controller Card

  • 4 x SATA 6.0Gb/s Internal Connectors
  • Up to 6Gb/s
  • PCI-Express 2.0
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Syba SI-PEX40064


Form Factor
Low Profile Ready


SATA III (6.0Gb/s)
Internal Connectors
4 x SATA 6.0Gb/s
PCI-Express 2.0
Transfer Rate
Up to 6Gb/s
Operating Systems Supported
Windows 8
Windows 7
Windows XP
Server 2008
Server 2008 R2
Server 2003
Linux 2.6.x and Above (AHCI devices driver is a built-in feature)


Chipset: Marvell 88SE9215

Compliant with PCI-Express Specification v2.0 and backwards compatible with PCIe 1.x

Compliant with Serial ATA Specification 3.0

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

Hot Plug and Hot Swap

Supports Native Command Queue (NCQ)

Supports Port Multiplier FIS Based Switching or Command Based Switching

Compatible with SATA 6G, 3G and 1.5G Hard Drives.

SATA ports are bootable

For port multiplier function, please follow Windows 8 instructions in Download's tab.


Package Contents
SATA III 4-port PCI-e Controller Card
User Manual
Low Profile Bracket
19" SATA Cables (x2)
Driver CD

Quick Info


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

Customer Reviews of the Syba SI-PEX40064

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  • N/A
  • 3/3/2015 11:45:42 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Card

Pros: Worked out of the box, computer detected it, all my SATA connections work fine.

Cons: The DVD it comes with is useless.

Did you find this review helpful? Yes No

  • N/A
  • 3/2/2015 3:57:50 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggs

Pros: card arrived exactly as pictured

Cons: first car was physically damaged and rma'd with an un damaged one that too did not function at all. Installed this card on two different computers and windows did not see it as described at all. both cards were doa.

Other Thoughts: while many posts sow this card as a good solution to adding some exra 3.0 ports to an older mother board it does beat out getting a new mother board which I eventually did. stay away from this product.

Did you find this review helpful? Yes No

  • Mcsatan
  • 2/17/2015 7:04:36 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsok

Pros: Cheap and fills the job need for.

Cons: issues with drivers when running more than one... at least on my system. doesn't like to detect it , even when you manually install driver , or force it , or anything.. I don't recommend 2 card in at once at this point.. may solve this issue when I am bord.

Other Thoughts: should have just went with a sata expander card

Did you find this review helpful? Yes No

  • Trylen
  • 1/20/2015 4:21:57 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsneeded for more drives in a storage server

Pros: Quick and easy install, didn't need the driver disc (good because the server has no optical drive) detected the drives I plugged in quickly and seems to be working rather well.

Cons: none as of yet

Other Thoughts: Good idea for a storage rig to add 4 extra ports.
I'm not playing with RAID until i have the server on a decent UPS first.

Did you find this review helpful? Yes No

  • WILL J.
  • 1/15/2015 9:23:11 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week

1 out of 5 eggsCheap Junk card

Pros: works as a paperweight, object to take or frustration out on or just something to remind you to spend a little more for a better product

Cons: doesn't work as a raid card, doesn't get recognized by anything, and doesn't cost enough to justify shipping it back to newegg

Other Thoughts: spend a little more and get a real raid card.

Manufacturer Response:

Dear Customer,

We apologize for the issues you have experienced with this controller card.

Please note that this ist a standard controller card and not a RAID card, this is reflected in the specifications.

Though you can create software RAID if its supported by your OS.

Our tech support team is more than happy to provide any information you may need when determining the compatibility and specification of a device.

Our tech support team may also assist you with installing and configuring this device for your system.

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

-Regards SYBA CST 01232015

0 out of 5 people found this review helpful. Did you? Yes No

  • Arabin
  • 1/4/2015 2:36:38 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsWorks with NAS4Free

Pros: - What RM said is important. Applying this to the card, it can fill those little, itty-bitty PCI-e 1x slots on your motherboard because it is a PCI-e 1x card.
- Works with NAS4Free and have used it recently, fully loaded in an 11 HDD NAS. I have encryption, ZFS RAIDZ1 and ZFS compression all on four green WD 2 TB HDDs through this card [<rant>Why spend more on red WD HDDs when green WD HDDs on a home NAS are just fine? Notice I said home? Have been running green WD HDDs for nearly 10 years in 24/7 NAS' [I have four] and no issues but lower electricity bills.</rant>)
- SATA 6 GB/s
- Supports port multipliers (but I've never tried it)

Cons: - I always connect the SATA card I have in my NAS' to the power LED of the computer case so I can see HDD activity. Thus the case HDD light is for a 6x HDD RAIDZ1 array connected to the motherboard (has 6 SATA connectors) and the Syba SI-PEX40064 connects a 4x HDD RAIDZ1 array to the case power LED. The con is I had to solder in paperclip wire to the card's HDD activity connection to connect the case' power LED connector and what is seen is an always on light that blinks when there is activity. Typically a HDD light is off and turns on during activity only (not just blinks). The case LED now shows me power AND the 4x HDD array activity. Super minor con, I admit, I wish there were pins for those case LED connectors.

Other Thoughts: - Have had the card for years and works everywhere. Most importantly it has always worked with NAS4Free with all kinds of green WD HDDs.

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

  • Dwayne in MS
  • 1/3/2015 6:03:20 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks

Pros: Needed more sata ports to add HDD's to an unRaid array. This was plug and play and it works as good as the ports on the motherboard. Immediately recognized at boot up. No issues at all. Cost. Would highly recommend for use in an unRaid setup.

Cons: None

Other Thoughts: Don't know how well it works in a raid or windows environment. Just know it works for my unRaid setup.

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

  • Tinkerer
  • 12/30/2014 1:19:28 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

4 out of 5 eggsWorks great Misleading specs

Pros: Card works great. I did see an improvement on R/W speeds for SSD, Read over 100mb/s increase. SATA hard drive doubled the transfer speed for a 1.5gb file as a test. The card uses a PCI E x1 pinout. Yes, it is compatible with SATA III, you just won't get the throughput due to the PCI E x1 technology. Card is inserted in a PCI ex16 slot on a Asus A55BM-E motherboard, AMD A8 GPU. AHCI enabled. Value is there for the price.

Cons: Specs should be better written. When SSD is attached to the card Windows will not see the card as an SSD, it does see the drive. TRIM may be turned on although it will not work. If the SSD is attached to the motherboard SATA port TRIM works.

Other Thoughts: Buyer beware.

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

  • N/A
  • 12/29/2014 7:35:46 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsgood product

Pros: No isses, bios detected right away. Ive used all 4 ports, in just about every configuration and not had any issues. Transfter speeds between drives seems to be up to spec.

Cons: none

Did you find this review helpful? Yes No

  • N/A
  • 12/19/2014 3:49:55 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

5 out of 5 eggsUnderstanding PCI-e and x1Slots

Pros: Easy expansion card for adding extra SATA ports.

Requires an x1 size slot (the little short slot).

Offers up to around 380MB/sec. Read speed.

Usually works fine with Windows 7 or 8 generic drivers.

See OTHER THOUGHTS below ...

Cons: Specifications and instructions are not clear to inexperienced users.

May conflict with already-in-use SATA ports on motherboard if those ports use a Marvell controller. Using Windows generic drivers avoided that conflict on my motherboard.

See OTHER THOUGHTS below ...

Other Thoughts: PCI-e (also called PCI-express) began with version 1.0.

Then came PCI-e ver. 2.0 which is about twice as fast as 1.0. This is what millions of motherboards have.

PCI-e offers different "slots", namely x1, x4, and x16.

The x16 slot is the longest. The others are much shorter.

The x1 slot has only one "lane" of bandwidth which limits the speed of data transfer to around 380MB/sec. Read speed and slower Write speed. However, this is still about 100MB/sec. faster than SATA II motherboard ports.

The x4 slot can have 4 lanes of bandwidth. However, most add-on cards offering more than x1 speed are, in fact, designed for 2 lanes of bandwidth so they have x2 speed. But, there's no x2 slot on your motherboard so an x2 card goes into an x4 slot. Nevertheless, it's still x2 speed which allows max. Read speeds of around 500MB/sec. or faster and, again, Write speeds will be somewhat slower.

PCI-e version 1.0 or 1.1 is the old and slow version.

PCI-e version 2.0 is newer and is about twice as fast as ver. 1.1

Within each version there are different "slots" whose speeds are basic (x1), faster (x4), and fastest (x16).

The add-on card itself will be designed with x1 speed or x2 speed.

Pro quality cards may be designed with x8 speed (they fit into an x16 slot) and will cost hundreds of dollars more.

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

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