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Item#: N82E16856152009

TYAN B2881G28S4H 1U Rackmount Barebone Server Dual 940 AMD 8131 + 8111 DDR 400/333/266

  • Dual 940
  • Dual AMD Opteron
  • 8 x 184Pin Memory Slots
  • EPS12V 400W with PFC
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Learn more about the TYAN B2881G28S4H



CPU Supported

CPU Type
Dual AMD Opteron
CPU Socket
Dual 940


North Bridge
AMD 8131 + 8111

Memory Supported

Memory Slots
8 x 184Pin
Max Memory Supported
Memory Type Supported
DDR 400/333/266
Channel Supported
Dual Channel
ECC Supported

Storage Supported

2x ATA 33/66/100
Serial ATA
4 x SATA 150
RAID 0/1/0+1


Video Memory
8 MB

Expansion Slots

2 x 64-bit 133/100MHz


First LAN
Broadcom BCM5704C
Second LAN
Broadcom BCM5704C
Max. LAN Speed

Expansion Bays

3.5" Bays
4 x external 3.5" HDD bays
Slim Bays
Pre-installed slim 24x CD-ROM

Panel Ports

Front USB
Rear USB

Power Supply

Max. Power
EPS12V 400W with PFC


Form Factor
1U Rackmount

Dimensions & Weight

26.5" x 17.0" x 1.7"


Package Contents
2 x User Manual
Driver Disk
2 x Power Cord
SATA Cable
Power Cable
Other Accessories

Quick Info

Customer Reviews of the TYAN B2881G28S4H

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  • Tim S.
  • 1/18/2006 7:35:11 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsExcellent server - Works w/3ware 9550sx-8LP, NOT 4LP!

Pros: Excellent design. Well laid out 1U. I am running with RAID 5 using 3Ware 9550sx-8LP and 4 SATA Hitachi Deskstars. Single Opteron 265.

Cons: As stated by another reviewer, the CPU heat sinks interfere with a 3ware 9550sx-4lp RAID controller I purchased. If you get a 9550sx-8lp then you are able to connect 4 drives though that costs more.

Other Thoughts: Tyan could make improvements by giving more space between the heat sink and the PCI-X card. Just a few millimeters would give us more options.

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

  • Anonymous
  • 1/13/2006 12:41:08 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

4 out of 5 eggsSome PCI-X cards don't fit!

Pros: Very well laid out with great build quality. I too replaced the SATA cables with longer ones (to reach a RAID card) and had no problems - the hardest thing you have to do is clip a few zipties.

Cons: Some PCI-X cards don't fit! 3Ware SATA RAID cards, specifically, can't be used because they're so long that there's not enough room to connect the SATA cables - the CPU heatsinks are too close. Any PCI-X RAID card whose ports are on the back edge instead of the top can't be used. Oh, and the fans are VERY LOUD!, but you should expect that from a 2P 1U.

Other Thoughts: This is our second GX28. The first was the 2-bay version, which doesn't have the PCI-X problem because it uses a different motherboard with a different layout. Too bad there isn't a 4-bay GX28 with THAT motherboard (the S2882).

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

  • Anonymous
  • 1/1/2006 1:44:46 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsAwesome (esp. for the price)

Pros: Organized nicely. Built well. Fast.

I had to make some changes to the wiring for my Areca raid PCI-X card and it was no problem replacing the existing SATA wiring.

Runs fairly cool.

Cons: I can't hear myself think in the same room with it. I can't tell if it is a server or a jet engine... :)

Other Thoughts: You must pickup a USB floppy drive. Until I broke down and bought one at the local comp store, I had driver/installation nightmares. Save yourself 30$ and buy it from newegg while you are picking this up.

Luckily all major OSes support this out of the box so you don't really need an internal (Linux, Windows, etc).

Besides, they are just handy to have. No one needs a floppy all the time anymore, but for special occasions, it's painful not to have one.

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

  • JAVS M.
  • 12/11/2005 8:06:16 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsgood server, great value

Pros: built-in hot-swap raid, cheap, dual processor capable, fast, easy to work on, dual nics have fail-over capability

Cons: raid drivers included on floppy, only it doesn't come with a floppy but has a place for a slim one(though Tyan says it restricts airflow too much and isn't supported), LOUD, DEEP

Other Thoughts: the aforementioned floppy is a problem, I expect 1u servers to be loud and deep, but this one really takes the cake, it can be heard through closet doors, etc, even with the q-fan on. 64bit support was a bit flaky for me, but it may have just been the combination of running server x64 and sql2005 on the day that sql was realeased (young OS and even younger server app) so I can't mark that as a con. only 4 instead of 5 because of the noise, alot louder than expected (loudest 1u I've had to date). with all that, I will buy several more

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  • Mr. R.
  • 11/23/2005 10:30:30 AM
  • Tech Level:
  • Ownership:

5 out of 5 eggsExcellent 1U Case

Comments: Great barebones server, especially for the money. Combined with an Areca ARC-1130 Raid controller I get fantastic drive performance and the card fits in the case fine. I did have to run new SATA cables because the pre-wired cables were not long enough to reach the RAID card easily. With one Opteron 246, CPU temps never rise above 60C under heavy loads.

Small Issues:
The fans are loud but no louder than my other 1U servers.
The top of the case is held on with fours small screws and would be less than ideal to remove for an emergency hardware failure.
If you have a "thick" posted rack like my APC NetShelter, the rail adjustment screws are very difficult to adjust.

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  • Anonymous
  • 11/22/2005 2:02:45 PM
  • Tech Level:
  • Ownership:

4 out of 5 eggsClear the clouds

Comments: THE REQUIREMENT TO USE DDR400 SDRAM is that the CPU be a revision C0 or LATER. .
It has nothing to do with the number of the CPU EXCEPT the early releases of *40,*42 and *44 were lower than the C0 revision.
The above info is in the Opteron product guide(& others) from AMD as well as in the AMD forum.
FYI: All the new-er Opterons will also support 1GHz HT FSB but the "CEP" do not. Look for OSA*FAA5BL* or OSA*BL* to have Opterons that support 1000MHz HT FSB...

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  • Mr. P.
  • 8/1/2005 2:52:55 PM
  • Tech Level:
  • Ownership:

5 out of 5 eggsSCSI Who?

Comments: I bought four of these with LSI Megaraid SATA 150-4 cards and I couldn't be happier. IBM, HP and Dell have a lot to learn from these guys about 1U packaging. I may eventually replace all of my production servers with these units. As always SATA Raid should have a special place in your enterprise and isn't for everything, but you could almost cluster two of these for what a similar SCSI server would cost you....

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  • Randy E.
  • 6/25/2005 12:43:08 PM
  • Tech Level:
  • Ownership:

5 out of 5 eggsRock solid and FAST!

Comments: As the previous reviewer noted, the 3Ware 9500's do not fit well. I used a LSI Logic MegaRAID 300-8X, which was perfect fit as long as it is in the PCIX slot directly behind the processors. Paired with a couple dual core Opterons, you have a serious enterprise class server. Use WD Raptors, RAID 1+0 and Kingston HyperX registered memory for optimal peformance.

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  • Anonymous
  • 5/5/2005 1:49:14 PM
  • Tech Level:
  • Ownership:

5 out of 5 eggsGood Stuff

Comments: That review is MOSTLY correct. If you use the AMD Opteron 244 with the AL revision, you can use DDR400.

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  • Anonymous
  • 2/17/2005 1:08:20 PM
  • Tech Level:
  • Ownership:

4 out of 5 eggsNice system ... beware for RAID and memory issues

Comments: The system is well built and engineered. The performance is great and the price is fantastic. There are two bugaboos, though. 1) Don't get a RAID card where the drive connectors are on the rear of the card (I tried to use a 3ware 9500 - no dice) since the connectors won't fit between the card and the processor heat sinks. A card with jacks on the top (like the LSI logic card) will work fine. 2) I bought 2 Operteron 242's before noting the small footnote in the documentation saying that you need to use 246's or higher in order to use DDR400 memory (as opposed to DDR333 and below).

Did you find this review helpful? Yes No

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