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Most v4s will run 2400MHz memory while the v3s top out at 2133. For some odd reason, my Dells frequently revert to 1866 when 2133 sticks are installed. For bandwidth-constrained applications, those 2400MHz sticks are a 20%+ improvement.

The 2696v4s are good fits for my Dell workstations - only a bit slower than the fastest 8-core 1680v4 on will turbo on 1-2 core workloads (4GHz.) Steppings allow the 2696v4 to run 1-2 core workloads at 3.7GHz, while it turbos all cores at 2.8. You can find v3s with 18 cores and similar speeds...

When I replaced a 160w 10-core E5-2687w v3 with the 150w 22-core E5-2696 v4 in my Dell 5810, I noticed temps went down substantially (80ish to mid 60s) on virtually any stress test or benchmark while performance was always better. Just a bit better in single core work but lots better most of...

The 14nm v4's are significantly less expensive to keep cool than their 22nm v3 counterparts. They are far better in workstations where performance can be thermally constrained.

Got my 2nd replacement P620 system board installed today. The tech got the original processor to work on the new board and used his "golden key" to change the serial/model numbers on the board when updating the bios. He had to enter a "special character" before changing the serial number to...

Perhaps the the "processor checks bios" process described in the above HPE diagram is not PSB. It's likely to have the same potential for creating the servicing issues I'm concerned about. When I service my own machines, I'd like to be confident that I won't invalidate these RoT checks. I...

According to this STH article, board manufacturers have options as to how they implement PSB. Dell & Lenovo burn their public keys into a special ROM stored on the processor. HPE stores this off-processor but has a way to stop the processor from executing unauthenticated firmware.

After getting a Lenovo P620 Threadripper Pro system board replaced under warranty with a previously used board, the technician booted into bios, removed secure boot, and finalized the work using his USB key to rewrite the machine serial number into the bios. The machine refused to post at next...

You can buy your exact Hynix 2133MHz 16GB sticks for as little as $42 US from new memory dealers, probably less if used. Search on your part number and the dealers will pop up.

It's not too late. Next week will be the end of the quarter / fiscal year. Some sellers will want to window dress financials and might take lower offers. Crypto miners are selling out and further driving down prices, even on GPUs that haven't been abused. Should be a good time to get deals...

That board only supports processors with up to 145W TDP. The 2696 v4 is 150W. It works with other Supermicro boards that support higher TDP CPUs.

Agreed. It's a good idea to check the benchmarking sites to see if the processor and other components work with your board/system before purchase. With a cursory search, I see the E5-2696 v4 working with X10DRG-Q, X10SRA and X10DAI boards but not the X10SRL-F. The benchmarking sites aren't...

Here's an STH article from 2017 comparing several v3 and v4 processors in a Lenovo server. At the time Patrick seemed impressed with power consumption improvements in the 14nm v4s over the 22nm v3s. Two 14-core E5-2690 v4s idled in that setup at 79 watts and used 278 watts under 70% load. Today...

The Dell Precision workstations (7910 and 7810 with two 2011-3 sockets, 5810's with one socket) might also make good homes for E5 v4 processors. They're also getting cheap. They'll need the bios updated before upgrading from v3s though.

Intel SR2J0 Xeon E5-2696 v4 2.2 GHz 22x256 Proc 770773181670 | eBay has recently accepted offers under $200.

Prices on the 22-core 2.2GHz OEM E5-2696 v4 are falling rapidly on e-bay - you can get one for less than $200. Just last month they were over $300. It's locked but can turbo all cores at 2.8GHz and 1/2 cores at 3.7GHz.

Thanks. I'd thought about upgrading SATA but hadn't realized the controllers you mentioned are so cheap. I'll need to buy at least two drives (one internal and the other external), and I had wanted to invest in drive tech with a long-lived future. NVMe devices could find a future home in a...

Thanks for a very informative post. Outside of this, there's not much clear information on the limits of you can do with these cards written so novices like me can understand. One seller on Ali told me that you couldn't use adapters on the M.2 Creacent cards but didn't explain why. I'm...