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Syba > 
Item#: N82E16816124056

SYBA SD-PEX40054 PCI-Express 2.0 x4 SATA III (6.0Gb/s) HyperDuo 4-port RAID Controller Card

  • RAID 0/1/10 JBOD
  • 4 x SATA 6.0Gb/s Internal Connectors
  • Up to 6Gb/s
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Learn more about the Syba SD-PEX40054




SATA III (6.0Gb/s)
Internal Connectors
4 x SATA 6.0Gb/s
PCI-Express 2.0 x4
Transfer Rate
Up to 6Gb/s
RAID 0/1/10 JBOD
Operating Systems Supported
Windows 7 (32/64 bit)
Vista (32/64 bit)
Windows XP (32/64 bit)
Server 2008
Server 2008 R2
Server 2003 (32/64 bit)


*SY-PEX40054 has a total of 6 SATA 10Gbps ports, BUT the two external ports are shared. So only 4 ports can be used simultaneously at one time.

Based on Marvell 88SE9230 Chipset

2-lane PCI-Express 2.0 Interface Supports Communication Bandwidth up to 10.0Gbps

Compliant with PCI-Express 2.0 Base Specification

Unique Hard Drive Activity LED Indicator Circuit Design: The LED Blinks for Read/Write Activity

Serial-ATA Interface:
Changeable SATA 6.0Gbps Ports (Internally, Externally or Their Combination)
Up to 4 SATA Devices with Point-to-point Connectivity
Compliant with Serial-ATA Specification 3.0
Supports Hardware RAID 0, 1, 10 and JBOD
HyperDuo Mode Supports Safe Mode (Mirrored Protection) and Capacity Mode (Cost-Optimized) to Build a System with SSD and HDD Hybrid
Supports Native Command Queuing (NCQ)
FIS Based Port Multiplier
Supports SATA Port Hot-plug
Supports AHCI

Marvell HyperDuo technology combines solid state drive (SSD) speed and SATA HD capacity in a way it forms an ultimate high performance, cost effective and large storage system.


Package Contents
PCI-e SATA RAID Controller Card
Driver CD
User Manual
LED Cable (12")

Quick Info


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

Customer Reviews of the Syba SD-PEX40054

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  • Anonymous
  • 3/4/2015 8:46:13 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat card for the price

Pros: Great card for the price. Put this in an older gigabyte board along with a samsung 850 pro and it has been working flawlessly.

Cons: The only thing that I dont really like is the 2 back sata connectors because they do not lock. The cable tends to slide off easily but I just make sure they are seated correctly before I close the case.

I was well aware of this issue before I bought it. for me it is not a deal breaker just thought I would throw it out there.

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  • Keith R.
  • 12/18/2014 5:41:34 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsavoid this card for Linux use

Pros: seems well made,
Syba support very responsive
This is likely a Marvel problem not Syba

Cons: Near identical problems as another reviewer. Under high load with Centos7 variety of controller problems ending in all 4 ports shutting down.
Contacted Syba they indicated there are no newer firmware upgrades.

Web searching suggests other have this issue but no resolution.

Other Thoughts: As I've tossed box etc not too sure what my options are.

Manufacturer Response:

Dear Customer,

We apologize for your dissatisfaction with the quality of this controller card.

Its rare for many Marvell controllers to operate at peak performance outside of Windows OS. If possible we would suggest that most users stick with a Silicon Image or ASMedia chipset.

Our tech support team is more than happy to provide any information you may need when

determining the compatibility and specification of a device.

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

-Regards SYBA CST 12262014

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

  • Paul B.
  • 11/3/2014 10:02:59 AM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsSYBA SD-PEX40054 PCI-Express 2.0

Pros: Just installed this controller extra PCI-E x8 port that was available on my Gigabyte GA-EP45-UD3P mobo socket 775, and it works great. My mobo is only SATAII, so I wanted to take an advantage of SATAIII speeds with my Muschkin 120GB SSD. For less than 50 dollars my SSD speed doubled from about avg. 250mb/s to 513/531mb/s.

Cons: none.

Other Thoughts: Based on Based on Marvell 88SE9230 Chipset, if you have PCI-E 2.0 available on your motherboard this chipset supports speeds up to 10GB/s.

Note: If you have older board like mine, check with motherboard mfg. website to make sure you have an extra 2.0 slot, otherwise the speed will be similar to SATAII.
On the ATTO benchmark it looks very impressive over 500mb/s r/w but Gigabyte bios loads so slow. It takes about 15-17 sec before the drive even starts to load, after that its super fast.

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

  • Jon B.
  • 10/16/2014 9:55:16 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsSATA III PCI-e X4 adapter

Pros: Adapter works great with SSD. Using the PCI-e V2.0 slot, an OCZ Vertex 460 achieves 492 MB/s read and 475 MB/s write speeds, which is very close to the rated speed and much faster than my onboard SATA II connection.

Unfortunately, I had to use a PCI-e X16 video card slot, which is version 2.0 since the X8 slot is only version 1.0. When used on a PCI-e V1.0, it only achieved 345 MB/s write and 290 MB/s write (onboard SATA II was 259 MB/s read and 246 MB/s write).

Good price for the features, although I have not tried the RAID or Cache yet. The main reason for purchasing this card over other cards using PCI-e X1 is to maximize a SSD.

Cons: None, other than the IOPS changed from 48,000 for read and write using SATA II compared to 33,000 read and 62,000 write using the PCI-e X16 slot.

Other Thoughts: If you only have PCI-e V1.0, the card will yield only marginal improvements over SATA II. All testing was done using Anvil Storage Utilities v1.1.0

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  • MFabian F.
  • 10/4/2014 2:53:33 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsWorks with Linux when you need more SATA IIIs

Pros: Works great with Linux OpenSuse 13.1 64 bit. Allows SSD drives 6/g sec work work off my spare PCI-Express Video Card. ... GREAT !!!

Cons: 0

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  • Gary J.
  • 8/31/2014 3:12:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsTakes some work

Pros: A boost for older MBs.

Cons: Setup was not easy.

Other Thoughts: If you need a this card for SSD speeds on older board with out spending the bank buy it! Not for non experenced users. Read other reviews they are of some help. Find the latest drivers for Marvell 9230 chip.

Did you find this review helpful? Yes No

  • Anwar H.
  • 7/28/2014 4:01:12 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggs

Pros: Cheaper than upgrading to a new system for SATA III.

Running 2 SSD's in RAID 0. The read speed is only 430 MB/s but the write speed is 790 MB/s. I greatly appreciate the faster write times for video rendering. Increased the performance of my CPU and my computer doesn't freeze anymore because of HDD bottleneck.

Applications open fast. After Effect, Cinema 4d and Maya open within seconds.

Cons: Slow read times. 430 MB/s is kind of a joke for 2 SSD's running in RAID 0.

Long boot time. I have 2 PCI-e cards for SSD's and a native RAID 10 array.

Other Thoughts: I have an i7 875K overclocked to 4.0Ghz and can't justify spending money on a new system until the unlocked 8 core processors come out. Don't get me wrong the Z97 platform looks awesome but I'm waiting for the X99.

I do regret not buying the i7 980X but at the time $1000 for a processor seemed like a lot and I was unenthusiastic about triple channel DDR3.

Considering the years I've had this P55 having spent the extra money on the X58 instead seems reasonable in retrospect. So when those X99's role out I plan on sparing no expense unless they are priced $2,300 like the Xeon E5's currently are. Spare no expense is in regards to comparable pricing to the current X79 being a $1000 processor is the top of the line.

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

  • Paul H.
  • 7/8/2014 9:08:42 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsso far so good

Pros: so far so good - it works as port multiplier to upgrade older hardware from SATA 2 to SATA 3 on a P55 main board. I used EaseUS PM to upgrade/migrate my system disk to a SSD. Attached the SSD to the PEX40054, set the BIOS to boot to the SSD and voila - I'm up and running - no BSOD so far. In the Marvell BIOS utility, it shows the SSD as SATA 6.0Gbps, AHCI, 48 LBA, TRIM which I can only assume means the Marvell chip will pass OS trim commands to the SSD. The newest version of Samsung Magician (4.4) recognizes SSDs on Marvell chips so I have optimized the SSD using SM. For now I'm happy with my current setup and will use the extra ports in ESATA mode. Oh BTW, the drivers on the CD are old - download the latest from the SYBA site.

Cons: Couldn't get the Marvell software utility to work in Windows. As soon as it launched - BSOD, so there are some major conflict/bugs with that software. That could be a minor problem for someone wanting to use RAID on this chip, although one can still configure it in the BIOS. BTW the Intel RST software works beautifully.

Other Thoughts: RAID? I have no idea whether the Hyper-Duo feature or RAID works. The SSDs are fast enough without setting them up in a RAID. So far the Intel RAIDs are the only consumer level chips that pass TRIM commands. Samsung Magician does not recognize its SSDs in RAID so you miss out on the optimizations provided by SM.I've I've seen the video of the blindingly fast 24 SSD RAID 0, but they used high end RAID chips for that experiment. BTW, the EaseUS PM software works great to migrate system disks to new HDD/SSD! Will write an update after using this setup for a few months - unless something negative happens first.

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  • Dean M.
  • 4/7/2014 7:41:27 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsWorks with One Portmultiplier Too!

Pros: Great add-on for HyperDuo enhancement of Hard Drive speed by pairing with SSD card. PLUS, I can use ONE port multiplier device connected too, which I am doing with an external port multiplier enabled 4 hard drive case ... just use one external eSata cable for 4 hard drives. Can use this external storage to move from computer to computer that has a multiport connection.

Cons: Not really a con, but the chipset only supports ONE port multiplier device in total per card that is connected to any ONE of the 4 ports on the card. So, you would need 2 cards to do 2 port multiplier devices... not many motherboads support that but some with dual video, extra pcie2 x2 slots, or server boards do that.

Other Thoughts: For what it does this is a good upgrade for older computers to increase the speed of your Hard Drive w/SSD Duo Mode. It's plenty fast enough unless you need some high-end gaming "latest" system. A plus to add FAST SATA3 external storage too!

Did you find this review helpful? Yes No

  • Paul T.
  • 4/2/2014 8:01:00 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsGood but...

Pros: Easy to use interface, works fine in raid 10, cheap.

Cons: Takes forever to rebuild a failed disk, doesn't like rebuilding encrypted disks.

Other Thoughts: Using a raid 10 with four 4tb Seagate drives. Recently started to encrypt the array. One of the drives failed or lost its partition data and as such the array became degraded. Tried to rebuild and it kept failing, past rebuilds have taken forever which is typical. I'm probably going to get a card that does raid 6 since my array is limping right now. I may use this card in my main desktop to raid 4 SSDs together. Otherwise I wouldn't use it for a serious application.

Manufacturer Response:

Dear Customer,

We are sorry to hear about the problems you have been having with this RAID card.

Please note that when using drives larger than 1TB degraded arrays may not rebuild properly.

We advise users to build a new array if the previous array has begun to degrade.

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 04082014

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

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Item#: N82E16816124056
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