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Item#: N82E16813188067

EVGA Classified SR-2 (Super Record 2) 270-WS-W555-A1 LGA 1366 Intel 5520 SATA 6Gb/s USB 3.0 HPTX Intel Motherboard

  • LGA 1366
  • Intel 5520
  • 12×240pin DDR3 2000 (OC)/1866 (OC)/1600 (OC)/1333/1066
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Learn more about the EVGA 270-WS-W555-A1

Model

Brand
EVGA
Model
270-WS-W555-A1

Supported CPU

CPU Socket Type
LGA 1366
CPU Type
Supports Dual Socket 1366 Intel Xeon 5600 and 5500 Processors

Chipsets

Chipset
Intel 5520
South Bridge
Intel ICH10R

Memory

Number of Memory Slots
12×240pin
Memory Standard
DDR3 2000 (OC)/1866 (OC)/1600 (OC)/1333/1066
Maximum Memory Supported
48GB
Channel Supported
Triple Channel

Expansion Slots

PCI Express 2.0 x16
7

Storage Devices

PATA
1 x ATA133 2 Dev. Max
SATA 3Gb/s
6
SATA 6Gb/s
2 x SATA 6Gb/s

Onboard Video

Onboard Video Chipset
None

Onboard Audio

Audio Channels
8 Channels

Onboard LAN

Max LAN Speed
Dual 10/100/1000Mbps

Rear Panel Ports

PS/2
1
USB 3.0
2 x USB 3.0
USB 1.1/2.0
6 x USB 2.0
eSATA
2 x eSATA 3Gb/s
Audio Ports
6 Ports

Internal I/O Connectors

Onboard USB
4 x USB 2.0

Physical Spec

Form Factor
HPTX
Dimensions
15.0" x 13.6"
Power Pin
24 Pin

Features

Features
NVIDIA SLI Technology
Dramatically scales performance by allowing two graphics cards to be run in parallel. Only available on select PCI-Express models.

USB 2.0 Support
A standard plug and play interface providing easy-to-use connectivity for USB devices.

PCI Express 2.0 / 1.1 Support
Allows 500MB a lane or up to 8 GB/s at 16x speeds - allows for full support for new PCI-E 2.0 graphics cards.

Serial ATA II
Also known as SATA2, features a 3.0 Gbit/s transfer speed, faster than Standard Serial ATA.

Solid Capacitors
Offers a longer lifespan, better stability when at high frequencies, can operate at higher temperatures, and no longer runs the risk of exploding.

On-Board Clear CMOS Button
An onboard clear CMOS button which allows you to easily clear your BIOS without moving a jumper.

On-Board Power Button with Integrated Power Light
An onboard power button for easily powering on or off your system. Also shows a power indication light.

On-Board Reset Button with Integrated HDD Activity Light
An onboard reset button for easily rebooting your system as well as gives current status of your HDD via an activity light.

On-Board Diagnostics LED Readout
Helpful for when diagnosing a problem is needed.

2-Way SLI Support
Feel free to turn up the eye candy and experience the performance of 2 Graphics Cards running together.

3-Way SLI Support
Experience the amazing performance that only 3 Graphics Cards can deliver, a visual experience that will take you to the next level.

4-Way SLI Support

Windows XP Support

Windows Vista / Windows 7 Support

DDR3 Support
Full support for the latest in DDR technologies.

Triple-Channel Support
Supports Triple-Channel memory configurations for extreme amounts of system memory bandwidth.

Dual-Channel Support
Supports Dual-Channel memory configurations for increased amounts of system memory bandwidth.

300% more gold content in the CPU socket

Supports EVGA's EVbot

8 Phase Digital

Manufacturer Warranty

Parts
3 years limited
Labor
3 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years


Customer Reviews of the EVGA 270-WS-W555-A1

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  • Jeff S.
  • 7/20/2012 1:30:35 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsGreat Board -- NewEgg didn't include the extras

Pros: So far I really like this board, just based on the intelligence of the layout. I haven't ran it yet, however.

Cons: I am irritated that it did not come with anything but the board (no sata cables, etc). After buying (what I thought was) everything to build a machine, I shouldn't have to chase around petty missing pieces

Did you find this review helpful? Yes No

  • Jared K.
  • 10/7/2011 11:07:38 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsHuge

Pros: Flat out killer board. Best "user" board on the market. Easy to overclock xeons. Quite. Looks bad-a**.

Cons: HUGE. This thing has its own form factor it's so big. Bought the HAF-X, no go, way too small. Went with PC-V2120 and still had to remove fans and a metal bracket. Sata III RAID controller is junk. Stick with Intel SATA II controller.

Other Thoughts: Running two 2.4 gHz xeons (4 cores each), 48 GB of G. Skill RIPJAWS ram, 4 128 gm crucial SSDs in RAID 0. Two 1TB WD 7200 rpm drives in RAID 1. GTX 460. Cooler Master Silent Pro 1000W. Dual H60 Corsair CPU water cooling units. Dual Samsung Syncmaster 2443.

Did you find this review helpful? Yes No

  • Nicholas C.
  • 10/11/2010 12:54:31 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsMonster power, monster size.

Pros: The only dual socket Xeon board that supports overclocking. 7 PCIe slots. Feature rich and unmatched in value for what you get. Black/red color combo plus the large size makes it look mean.

Cons: Huge. More huge than you think. No, seriously - you have no idea how huge it is. Don't even try to guess.

You do pay for what you get. This isn't a kiddie board, it's not a standard user board....it is a monster, niche user board. If you're looking at the SR-2 you're either building a folding@home boxen or you're building a server. Mom and pop will not be buying an SR-2.

Reportedly there was at one point some problems with some of the red ram slots; luckily I have not had any issues so hopefully those few bad boards have been weeded out.

Other Thoughts: EVGA has a list of "supported" chassis but those do not include several that it works with if you do a mod or two. It will fit into the 700D/800D with a minor mod (removing and flipping around the middle divider plate). I built a bench with about 40 bucks worth of wood and hardware from Lowes. Currently folds for Team 33, the [H]orde. Specs: 2x ES L5640@3.6, CoGage TRUE Spirit coolers, 12gb (6x2gb) Corsair 1333@1600 9-9-9-24 1T. Bios A47 added Uncore selection. P2684 WU's pull around a 19min 33sec TPF. P2685, P2686 and P2696 WU's pull around 13min 30sec TPF good for 110k PPD.

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

  • Christopher K.
  • 10/10/2010 12:23:00 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsExcellent Motherboard. Impressed by EVGA, yet again!

Pros: Board is extremely nicely designed. Packaging was extremely nice, and motherboard was surrounded by 5+ inches of foam padding for safe shipping. Excellent directions as well. Comes with a multitude of cable and even standoffs with tape for where you may not have a standoff hole in your case.
Easily the fastest computer I've ever had. I have this paired up with dual e5620's, 12 gb of corsair dominator ram, dual corsair h50's, and a 4890 and 4870x2 in tri-fire. Using Folding@home, my computer now eats through massive SMP projects. Also, I did notice some increase in performance when gaming. (hardly game on it though) It also has run the Linux virtual machines I have been using really fast, which is fantastic.

Cons: - massive
- didn't quite fit it my case, but thats my fault - to an extent
- if you buy this be ready to modify something to make it fit
- if you dont have it already, be prepared to buy Windows 7 Professional or Windows 7 Ultimate, as it will not see the second physical processor if you choose run a regular version of windows.

Other Thoughts: Modified this to fit in my Coolermaster Cosmos S, and it works like a charm. To the majority of people who buy this, know that it will be an one heck of an expenditure, and will cost more than you initially though. However, it was worth every single penny.

Did you find this review helpful? Yes No

  • Pratima S.
  • 10/8/2010 10:58:51 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

4 out of 5 eggsAmazing when it works

Pros: If you're serious about buying this, I don't even need to tell you about performance. There are miles of reviews and benchmarks to do that.

I bought it shortly after it came out, and I can guarantee it fits in a Lian Li PC-P80 (plastic standoffs are included, but I preferred drilling 2-3 holes to secure it better). Got 2 Prolimatech Megahalems to fit as well, though with fans they take up about 1-2 RAM slots each (depends on your fan depth), and you'll probably need to mod the fan clips if you have RAM heatsinks. Also, if you buy the transparent side panel with two fan holes for the PC-P80, the top fan will fit, but it will likely brush up against the top of the Megahalems for CPU1 (again, it depends on your fan depth). Lifetime warranty, though you must register in 30 days.

SETUP
Processors: Dual X5680's
RAM: 4 x G.Skill 4GB DDR3 2000Mhz Modules (each with an Arctic Cooling RC Pro Heatsink)
Storage: Two 6.0Gb/s 2TB HDDs in RAID 1
Graphics: ATI V8800
PSU: Enermax Galaxy EVO

Cons: The only reason I knocked off an egg is that the first one I got was defective (problem with MOSFET cooling) and the second one I got through warranty was also defective (problem with POST). When I sent back the second to EVGA, UPS botched the package, so I ended up buying the third one while waiting for a UPS claim. Also EVGA customer service was a bit troublesome at first, but if you know how to handle the situation, you can make it work. Wish the manual had descriptions of more post codes, though it's still useful.

Other Thoughts: EVGA is usually pretty good with quality, so my horrid experience with this is probably just my luck. Furthermore, the fact that I was able to conduct two RMAs (which involve completely removing and re-positioning this mobo) without taking my chassis apart is a testament to the exaggeration of its size: it's the biggest there is, but don't let that scare you. EVGA Forums has some decent posts for OC settings in their SR-2 section, they're worth a read.

Did you find this review helpful? Yes No

  • ERIC R.
  • 10/8/2010 9:07:15 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsoutstanding

Pros: Quiet. The chipset cooling (even at 3500 rpm) is practically inaudible.

Included ELeet software is a gem; allows for easy test of new settings. Also BIOS updates can be done from within running operating system.

PCIe bandwidth to GPU outperforms Tyan S7025. (actual 5.5GB/s in host to device and device to host on real workload). The IOH <-> NF200s is not an issue at all!

Bad settings / failed overclock easily corrected and understandable using the BIOS clear button and LED info on the motherboard.

Pushed pair Xeon L5520 to 5590 speeds with little effort on air. (BCLK 196, CPU Vcore 1.25, VTT 1.25, no VDroop). (using only ECC/Reg 1333 4GB x 6 memory) Outstanding.

Lifetime warranty (must register within 30 days of purchase).

Cons: Manual is terse. Not all BIOS op codes are listed.

Would like to see a block diagram.

Small issue... using a fourth double wide GPU overlaps some useful buttons. (but the included extension cable and EVGA console supplants)

Other Thoughts: Overall it has a very nice aesthetic. Clearly much attention was paid to the packaging, color, etc.

Enormous is an understatement. Try the Lian Li PC-V2120 case. BUT note that the PCIe vertical support beam and the 140mm fan vertical support beam will need to be removed to fit this HPTX board.

I am extremely pleased.

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

  • Aaron R.
  • 9/22/2010 11:26:32 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsA few things...

Pros: This board is a one-of-a-kind product. If you want to build the fastest "Workstation" you possibly can at any price as of the time I write this, this is the board you *must* get.

As the only overclockable Intel 5520 based motherboard it's the only way you can expect to push any of the awesome Xeon 5500 or 5600 series processors to their full potential.

I have been very impressed by the overall build quality and finish of this motherboard, and the overclocking options.

Not that I really care, but the red and black aesthetic is pretty nice.

Cons: While the overclocking options are extensive, they're not as well laid out on some other boards. You don't have the option of loading a BIOS from inside the BIOS menu. You have to have an OS loaded, which got me in to trouble, as I have Engineering Sample versions of the Xeon E5530, which aren't supported by this board. Luckily with the help of a borrowed CPU and a serious l33t hookup with a hacked BIOS from the guys over at [H]ard|OCP forums I'm off and running.

I would qualify the non-standard HPTX form factor as a real con. I can confirm that it does indeed fit in the Lian Li PC-P80 (Item #: N82E16811112159), but only barely, and if you're serious you should probably buy an M3-0.50 drill and tap set so you can tap a couple of extra holes in the motherboard tray of that case to mount the board more securely. Plastic standoffs with adhesive pads are included with the SR-2, but for a board this heavy, with the serious heatsinks most people are likely be using they're hardly an answe

Other Thoughts: Right now I'm using:

12x 1GB PC8500 ECC DIMMS from some Nehalem Mac Pros some clients upgraded. I'm also using a 550 Watt Antec power supply.

Along with a GeForce GTX 260 and a GeForce GTS 8800 320MB card.

These are all stop-gap measures. I'm saving my pennies to get: (in order of necessity)

A nice 1100 watt power supply: (Item#: N82E16817814019)

2x 12GB kits (3x 4GB) of fast, non-ECC RAM (a trade-off: overclockability for stability... I'm sort of vacillating on this one) (Item#: N82E16820231356)

2x GeForce GTX 470 (Item#: N82E16814130550)
a nice power supply

Seriously, I'm sort of amazed that my three year old 550 Watt Antec power supply is even managing to boot this thing. It's a testament to its high build quality, but even at stock voltages and speeds on all components the PS is pumping out a lot of heat. I'm even afraid to really push the graphics cards. Luckily 3D viewports, not games are my big 3D application. When my system is up to snuff for OCing I'll

9 out of 9 people found this review helpful. Did you? Yes No

  • Patrick F.
  • 8/17/2010 11:07:08 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsThe best mobo I have seen yet

Pros: This is a very fast and stable board. Everything about this board has made this computer build easy and fast. There are so many small things included with the board that make building the computer easier, I would not hesitate to get this again. There is an onboard display to show where in the POST process the board is, so if it fails to POST you will know exacly where to look. There are jumpers to disable each of the CPUs and each of the PCIe slots to test if components are faulty without actually having to phisically remove them. There are numerous other features that let you test heck out of this board. Also, before this, it would have not realistically been possible for me to overclock dual Xeon 5630s. Now, I have Dual overclocked 5630s running very smoothly. Everything about this board has been rock solid. This has been by far the easiest computer build I have had in a long time. Buying a Dual CPU system is expensive. I would not ever go with any other board after using this.

Cons: This board is big, and can only use 1 case that Newegg sells.

Other Thoughts: Another reviewer said that there were no cases that fit this sold by Newegg. This is not true. I have this board, and the Lian Li case from Newegg, and it fit just fine. I had to drill a couple holes, but that is it. Do not let the size scare you. This is by far the best board I have seen yet. I would not hesitate to get it again.

5 out of 7 people found this review helpful. Did you? Yes No

  • michael d.
  • 8/11/2010 4:10:25 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsNot that big? That's laughable. It's so big it has it's own form factor

Pros: The only HPTX Form Factor board currently made = Largest Dual CPU Motherboard ever made. Ever.

Overclocking Single or Dual Quad or Hex Xeon's
7 Full Length PCIe Slots, 4 @ 16x
48 GB Max RAM
The only overclocking dual CPU board currently made.

Cons: HPTX Form Factor = Largest Dual CPU Motherboard ever made. Ever.

Other Thoughts: If your case doesnt hold a HPTX board then get your Dremel Tool out of the closet......like I did, because you are going to need it. It's that simple.

The motherboard box can double as an extra piece of luggage with the addition of a handle and some black spray paint.

10 out of 11 people found this review helpful. Did you? Yes No

  • Housein C.
  • 8/9/2010 8:08:30 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsAwesome Board

Pros: Where do I start!! just look it up, 5 star reviews everywhere, plus xeon's u can overclock to hell!!

Cons: Board is soooo freaking huge it won't fit any cases on the market right now, with out any crazy modifying. I got 2 of these and used SILVERSTONE TJ10-B and had to cut, modify, tap, drill, and mod my case so the board would fit. dual 6 core chips and 2 480gtx's.. and a 1500 watt PS.. this baby cooks.

Other Thoughts: did I say this is huge!! get a case that works. or be ready to mod you heart out!! how can I post, pics?? just vids I guess... shucks...

6 out of 11 people found this review helpful. Did you? Yes No

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Item#: N82E16813188067
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