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Item#: N82E16819117151

Intel Xeon E5405 Harpertown 2.0GHz 12MB L2 Cache LGA 771 80W Processor BX80574E5405A

  • 1333MHz FSB
  • 45 nm Harpertown
  • 12MB L2 Cache
  • 80W
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The Quad Core Xeon E5405 processor delivers impressive performance, up to 4 times that of earlier generation single-core processors. A massive 12MB of L2 cache increases the efficiency of cache-to-core data transfers, maximizing main memory to processor bandwidth and reducing latency -- up to 6MB can be allocated to one core. The 64bit cores are designed to handle all of today’s x86 32bit software with ease, and can effortlessly migrate to 64bit software.

Fully buffered DIMM technology allows up to 21GB/s -- 3 times the bandwidth of previous processors. You also get 4 times the memory capacity, up to 64GB. Intel Acceleration Technology helps by cutting CPU overhead by up to 40%, which lets the CPU handle other tasks more efficiently.

You also get Intel Virtualization Technology hardware enhancements that support software-based virtualization. It works with VMware, Virtual PC and XenSource, as well as virtualization products from an increasing number of software vendors. Virtualization combined with multiple cores gives you maximum power and performance per square foot.

  • newegg Quad-core Processing with 12MB L2 Cache The Intel Xeon E5405 processor features four complete processor cores in one physical package. Significant performance headroom, especially for multi-threaded applications, helps boost system utilization through virtualization and application responsiveness. Its 12MB (2 x 6MB) L2 cache increases efficiency of L2 cache-to-processor data transfer, maximizes main memory to processor bandwidth, and reduces latency.
  • newegg Supports Intel Virtualization Technology (Intel VT) With Intel VT, one hardware platform functions as multiple "virtual" platforms. For business, Intel VT offers improved manageability, limiting downtime and maintaining worker productivity by isolating computing activities into separate partitions. In the home, Intel VT allows for the creation of unique user environments for different family members who are using the same platform simultaneously.
  • newegg Intel Extended Memory 64 Technology (Intel EM64T) Intel EM64T provides an enhancement to Intel 32-bit architecture by enabling the mobile processor platform to access larger amounts of memory. With appropriate 64-bit hardware and software, platforms based on an Intel processor supporting Intel EM64T can enable use of extended virtual and physical memory.
  • newegg Execute Disable Bit (EDB) Intel's Execute Disable Bit function can prevent certain classes of malicious "buffer overflow" attacks when combined with a supporting operating system. Execute Disable Bit allows the processor to classify areas of the memory where application code can execute and where it cannot. When a malicious worm attempts to insert code into the buffer, the processor disables code execution, preventing damage or worm propagation.
  • newegg Enhanced Intel SpeedStep Technology (EIST) EIST allows the system to dynamically adjust processor voltage and core frequency to decrease the average power consumption and heat production. Combined with existing power saving features, EIST provides an excellent balance between supplying power when you need it and conserving power when you don’t.

Learn more about Xeon E5405

Quick Info

Warranty

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


Customer Reviews of Xeon E5405

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  • Anonymous
  • 4/14/2010 9:56:41 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat CPU

Pros: Reasonable price for a decent low end CPU. Running this in a dual CPU server. This was the second install - the first one was running for over a year, 24x7 - no problems.

Cons: Nothing

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  • Byron J.
  • 3/28/2010 7:28:35 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsE5405 is FINE for Virtualization

Pros: The E5405 processors is fast, and runs very cool. I've been running it on my server for several months now, and its been great.

Cons: None. It runs much cooler than I expected.

Other Thoughts: Several other commentors here have suggested that the E5405 is not suitable or not capable of Virtualization. To put it simply, these people don't know what they are doing. I installed this chip onto a motherboard that supports virtualization, I set the proper BIOS settings, and it runs just fine. I have been using it with Hyper-V for months, and never a problem.

If you are using some weird motherboard that supports this chip but not virtualization that's your mistake. More likely however, is that you didn't properly set the BIOS. If you read the manual for your motherboard, it should explain everything.

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  • Zack L.
  • 12/8/2009 5:42:49 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year

5 out of 5 eggsGood CPU

Pros: Powerful CPU's
Very Efficient IMO -- OS slowed it down somewhat however. :\

My friend also owns a similar server, however, he has more ram than I did. He has had zero problems with it.

I can't think of anything else to say. It's stable. Doesn't crash.

Cons: None really.

I wouldn't recommend enabling VT-x or any virtualization on this CPU. I did have some lag issues on the server where everything would lock up for a few seconds causing my game servers to freeze up and cause my players to eventually give up and leave.. :\

Other Thoughts: I rented a server through ThePlanet currently for $200/mo that has two of these CPU's installed. Specs:

2 x Intel E5405 Quad Core CPU @ 2.0GHz
4GB RAM
250GB Harddrive
Windows Server 2008 Standard Edition (without Hyper-V)

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

  • Lucas P.
  • 10/13/2009 8:21:00 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat CPU

Pros: it works perfect in a Precision T5400 workstation. No complaints!

Cons: none

Other Thoughts: cheap and has great value!

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  • Sean G.
  • 10/3/2009 4:51:26 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsNot vertualization capable?

Pros: This is my second review of these processors. Its a good processor but... (See below)

Cons: According to the Egg, these have Vertualization capabilities, however, when I checked them using Intel's processor ID tool, for Win7's "XP mode," I was shocked to see that they are marked as not capable, A huge let down considering I bought two of these when they were $250 each, now to only see that the 2.33GHz xeons do support it and are now the same price as what I paid origionally.

Other Thoughts: Good Processors but misadvertised.

NOTE: this could be due to my aging motherboard, however I'm pretty sure that it is the processor itself.

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

  • WILLIAM C.
  • 9/15/2009 10:19:36 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsStable and Reliable

Pros: This is one very sweet chip. Not a screamer, but nice and cool. My Bios always gives me the CPU temperature as "Low". My system temperature runs at 46C, but a lot of that heat is from the FB Ram.

Cons: Fan noise defaults to loud. Fortunately, my Bios can select a super quiet mode that slows the fan. I don't like any noise, so, I've gone to extra lengths to quiet my computer. It's not completely silent, but I'm very content with the low remaining hum. If you're like me, check out Evercool Ever Green case fans (the green plastic ones). People complain that they don't move a lot of air, but they are very, very quiet. I also use an Antec power supply and it's very quiet.

Other Thoughts: I'm running Ubuntu 64 (Jaunty) and most of the time the CPU's are left with little to do. But I also run Blender, and it's renderer uses all the processors it can find (Or at least all four of mine). It's amusing to watch Blender parcel-out the work to each processor and peg them to 100% utilization. Eventually, one CPU gets stuck with the tough part of the image and we all wait on that! I'd buy and install a second e5405, but I'm not really convinced it would make all that much difference. And I don't want anyone to think Blender is sluggish on this chip. On the contrary, it's crisp and responsive when editing or doing interactive drawing (2048x1152 monitor). It's just that final rendering is always CPU intensive. Pretty pictures cost a lot of computing.

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  • Nicholas S.
  • 8/13/2009 3:16:32 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsNot for 1U passive!

Pros: Processor itself is "decent"

Cons: Wish it was cheaper. With the new i7's out this thing still cost the same as it did when new.

Other Thoughts: IMPORTANT: If you need a passive heatsink for a 1U chassis, this is not the passive heatsink you need. This passive heatsink, while it is passive, is not for passive 1U cooling, only 2U passive cooling and above. So if you understand you need a passive cooling solution... but your passive solution is 1U, this passive cooling is not for you. (Do you understand? Good, don't waste your time buying this passive processor if your passive needs are 1U)

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  • Sean G.
  • 8/11/2009 8:38:54 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggse5405

Pros: Runs COOL as a cucumber! 12MB L2 makes this thing a multitasking Wizard. I bought it for an Audio Engineering rig, running two of these, and couldn't be too much happier. With stock heat sink it runs around 29-32c at idle, and peaks at 43c under full load for 12 hours!!! Protools LE 8 runs clean and smooth, doesn't even hit 50% CPU usage even with 36 channels and full automation!

Cons: Heat sink's fan SCREAMS! even at 65% speed, Granted that I have two of them. Would've gone with Passive cooling but didn't wanna risk high operating temps. Multitasks well, but is slow to open apps, probably due to low clock speed.

Other Thoughts: Great processor! I am not using it in a server though that is what it is designed for. It drastically out performs my C2Q that is @ 3.2GHz (stock @ 2.4) even when only running a single processor (not my octacore). I think the GIANT L2 is what gives it its speed. I love this processor and am considering building a single processor Desktop with one of these in it for all my other stuff and for my Fiance to game with.

My Makeshift MacPro (My rig):

SuperMicro X7DAE MB
2- Xeon e5405 @2GHz
8Gb Kingston 667MHz FBDIMM DDR2
Galaxy GeForce 9500GT 1Gb DDR2 (overclocked)
2 WD Green Drives 1TB and 2- 500GB (Raid 0)

all in a Monolith Ext.ATX case.

Running Win7, Mac OSX Leopard (UNPATCHED!!!) and 2 Linux distros: Ubuntu "Jaunty Jakalope" and FEDORA 2007

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  • David F.
  • 8/3/2009 10:56:06 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat value

Pros: Runs really cool (the heatsink without fan is cool to the touch, not even warm). Inexpensive 4 core for your server. Came with a really nice heatsink, but it didn't fit in my 1U server (server came with passive heatsinks anyway).

I want to get another one of them to increase my server to 8-cores

Cons: None.

Other Thoughts: Great processor. No crashes so far.

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  • Benjamin H.
  • 7/23/2009 4:08:02 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Runs cool, low power too.

Cons: Almost didn't fit in my Norco 1104 case because of the heatsink size. About a sliver too big. Still fit it in removing a screw in the case.

Other Thoughts: Cheap for the power.

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Item#: N82E16819117151
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