Mac Pro CPU Compatibility List | Macrumors Forums 6/13/17, 9:05 AM
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Mac Pro CPU Compatibility List | MacRumors Forums 6/13/17, 9:05 AM Got a tip for us? Let us know Front Page Mac Blog iOS Blog Roundups Buyer's Guide Forums Log in Sign up Recent Posts Spy Support % & Forums ∠ Macs ∠ Desktops ∠ Mac Pro # Mac Pro CPU Compatibility List Discussion in 'Mac Pro' started by ActionableMango, ! Feb 5, 2016. Thread Status: The first post in this thread is a WikiPost, and can be edited by anyone with the appropriate permissions. Page 1 of 15 1 2 3 4 5 6 → 15 Next Most Liked Posts ! Feb 5, 2016 Last edited by jclmavg: ! Apr 21, 2017 Bokkow and I have created a mac pro CPU compatibility list. The intent is to #1 ActionableMango cover all relevant and compatible CPU upgrades for all Mac Pros. These are macrumors 604 asked about over and over and over again, so I thought it would be nice to have it all in one place. Constructive criticism, corrections to errors, pointing out omissions, etc. are all welcome. My intent is, after the content matures, to turn this first post into a wiki so that anyone can maintain it going forward from there. " Sep 21, 2010 ---------------------------------------------------------------------------------------- ---------------- Notes: Any and all information here may be incorrect. Use at your own risk. This list only includes CPUs that I have found verification for. This includes anything offered by Apple (BTO/CTO), third party upgrade guides and commercial services (such as Barefeats, OWC, or xlr8yourmac), or simply individuals claiming personal success in a forum somewhere (such as MacRumors and Netkas). There are probably many https://forums.macrumors.com/threads/mac-pro-cpu-compatibility-list.1954766/ Page 1 of 19 Mac Pro CPU Compatibility List | MacRumors Forums 6/13/17, 9:05 AM unverified CPUs that work, but these are not listed. Memory speed is included in these charts. This is important because in some cases the CPU choice makes a difference. Upgrading to a higher TDP (wattage) processor may increase temperatures and/or fan speed at max load. Macs Fan Control is a popular way to control your Mac's fan and it is available for both OS X and Windows, unlike most Mac fan software. Some used CPUs for sale on Ebay and elsewhere are Intel Engineering Samples. You can read more about these here, but they are basically "beta" versions of the CPU provided to OEMs for testing. These may or may not work in a Mac Pro. In my research at least one person bought an engineering sample that didn't work. Since Intel only loans them out and never sells them, they can also be considered stolen property. Key Description - Not compatible x Compatible x* Compatible, but see notes about firmware update ---------------------------------------------------------------------------------------- ---------------- Mac Pro 6,1 128GB maximum RAM Architecture Cores Grade CPU-Model GHz RAM Watt Ivy-Bridge 12 core Dual Xeon E5-2697 V2 2.7 1866 130W Ivy-Bridge 12 core Dual Xeon E5-2696 V2 2.5 1866 130W Ivy-Bridge 10 core Dual Xeon E5-2690 V2 3.0 1866 130W Ivy-Bridge 10 core Dual Xeon E5-2680 V2 2.8 1866 115W Ivy-Bridge 8 core Dual Xeon E5-2667 V2 3.3 1866 130W Ivy-Bridge 8 core Dual Xeon E5-2673 V2 3.3 1866 110W Ivy-Bridge 8 core Dual Xeon E5-1680 V2 3.0 1866 130W Ivy-Bridge 6 core Dual Xeon E5-1660 V2 3.7 1866 130W Ivy-Bridge 6 core Dual Xeon E5-1650 V2 3.5 1866 130W Ivy-Bridge 4 core Dual Xeon E5-1620 V2 3.7 1866 130W ---------------------------------------------------------------------------------------- ---------------- Mac Pro 5,1 and 4,1 Xserve 3,1 Maximum RAM: 56GB in a single-processor Mac Pro using a single-processor- capable Xeon 64GB in a single-processor Mac Pro using a dual-processor-capable Xeon 128GB in a dual-processor Mac Pro 48GB for a single-processor Xserve 96GB in a dual-processor Xserve For the 4,1 to use Westmere CPUs and run RAM at 1333, it will need the https://forums.macrumors.com/threads/mac-pro-cpu-compatibility-list.1954766/ Page 2 of 19 Mac Pro CPU Compatibility List | MacRumors Forums 6/13/17, 9:05 AM firmware upgrade to 5,1, found here: http://forum.netkas.org/index.php/topic,852.0.html 5,1 Mac Pros shipped with 1333 RAM even when paired with a Nehalem (1066 only) processor. As shipped, the RAM runs at 1066 because of the CPU. However, if you upgrade to a 1333-capable CPU, your RAM will run at 1333 after an NVRAM reset. Installing a single "Dual Xeon" processor into a single-processor Mac Pro works fine, and actually increases its maximum RAM from 56 to 64GB. Installing just one single-processor-model CPU into a dual-processor Mac Pro technically works, but this causes an error state with the CPU fan going full blast. For two CPUs, you must install two "Dual Xeon" processors. You cannot use two i7 or single Xeon processors. The X#### CPU's tend to have a slightly higher maximum temperature rating than their W#### equivalents. 4,1 dual-processor Mac Pro uses a special, "lidless" CPUs (the single- processor models use normal CPUs). This has a different height than the normal CPUs, so if you upgrade a dual-processor 4,1 Mac Pro with different processors, you need to deal with the height difference. There are several ways to do this: Buy CPUs that someone has already de-lidded. Buy normal CPUs and de-lid them yourself. Here is thread about delidding yourself and here is a video. (And here is a post warning against delidding yourself.) Buy normal CPUs and pay for de-lidding service. Keep the lids on, but be extremely careful about not tightening down the heat sink too much. (If you don't remove the lids it is very easy to tighten down the heat sink screws too much on a CPU that's too large, resulting in damage to the socket, CPU, and/or board.) Other people have kept the lids on, but added washer stacks (of equivalent height to the lid difference) to where the tightening screws go--this is intended to prevent the heat sink from overtightening and causing damage. Here is an informational washer stack thread, and here is a really good post with pictures and a step-by-step procedure. If you keep the lids on, the existing heat pad won't reach the heat sink due to the extra height of the lids. You need to make up for this gap by replacing the heat pad with a thicker pad. The Xserve 3,1 uses lidless CPUs for both single-CPU and double-CPU models. We don't know if the washer-stack trick will work in Xserves as they are physically different than MP, but the other solutions should work. No, the X5687 (3.6GHz quad-core) and the X5698 (4.4GHz dual-core) do not work in Mac Pros. I don't want to list every CPU that doesn't work with a Mac, but these two are asked about often enough to include here, and they've been verified as not working. Architecture Cores Grade CPU-Model GHz RAM Watt MP4,1 MP5,1 XS3,1 Dual Westmere 6 core X5690 3.46 1333 130W x* x - Xeon Dual Westmere 6 core X5680 3.33 1333 130W x* x - Xeon https://forums.macrumors.com/threads/mac-pro-cpu-compatibility-list.1954766/ Page 3 of 19 Mac Pro CPU Compatibility List | MacRumors Forums 6/13/17, 9:05 AM Westmere 6 core Dual X5679 3.2 1066 115W x* x - Xeon Dual Westmere 6 core X5675 3.06 1333 95W x* x - Xeon Dual Westmere 6 core X5670 2.93 1333 95W x* x - Xeon Dual Westmere 6 core X5660 2.8 1333 95W x* x - Xeon Dual Westmere 6 core X5650 2.66 1333 95W x* x - Xeon Dual Westmere 6 core E5659 2.53 1333 80W x* x - Xeon Dual Westmere 6 core E5645 2.4 1333 80W x* x - Xeon Dual Westmere 6 core L5639 2.13 1333 60W x* x - Xeon Westmere 6 core Xeon W3690 3.46 1333 130W x* x - Westmere 6 core Xeon W3680 3.33 1333 130W x* x - Westmere 6 core Xeon W3670 3.2 1066 130W x* x - Westmere 6 core Consumer i7 990X 3.46 1066 130W x* x - Westmere 6 core Consumer i7 980X 3.33 1066 130W x* x - Westmere 6 core Consumer i7 970 3.2 1066 130W x* x - Dual Westmere 4 core X5687 3.6 1333 130W - - - Xeon Dual Westmere 4 core X5677 3.46 1333 130W x* x - Xeon Dual Westmere 4 core X5672 3.2 1333 95W x* x - Xeon Dual Westmere 4 core X5667 3.06 1333 95W x* x - Xeon Dual Westmere 4 core X5647 2.93 1066 130W x* x - Xeon Dual Westmere 4 core E5640 2.66 1066 80W x* x - Xeon Dual Westmere 4 core E5630 2.53 1066 80W x* x - Xeon Dual Westmere 4 core E5620 2.4 1066 80W x* x - Xeon Dual Westmere 2 core X5698 4.4 1333 130W - - - Xeon Dual Nehalem 4 core W5590 3.33 1333 130W x x - Xeon Dual Nehalem 4 core W5580 3.2 1333 130W x x - Xeon Dual Nehalem 4 core X5570 2.93 1333 95W x x x Xeon Dual Nehalem 4 core X5560 2.8 1333 95W x x - Xeon Dual Nehalem 4 core X5550 2.66 1333 95W x x x Xeon https://forums.macrumors.com/threads/mac-pro-cpu-compatibility-list.1954766/ Page 4 of 19 Mac Pro CPU Compatibility List | MacRumors Forums 6/13/17, 9:05 AM Nehalem 4 core Dual E5540 2.53 1066 80W x x - Xeon Dual Nehalem 4 core E5530 2.4 1066 80W x x - Xeon Dual Nehalem 4 core E5520 2.26 1066 80W x x x Xeon Nehalem 4 core Xeon W3580 3.33 1333 130W x x - Nehalem 4 core Xeon W3570 3.2 1333 130W x x - Nehalem 4 core Xeon W3565 3.2 1066 130W x x - Nehalem 4 core Xeon W3540 2.93 1066 130W x x - Nehalem 4 core Xeon W3530 2.8 1066 130W x x - Nehalem 4 core Xeon W3520 2.66 1066 130W x x - Nehalem 4 core Consumer i7 975 3.33 1066 130W x x - Nehalem 4 core Consumer i7 965 3.2 1066 130W x x - Nehalem 4 core Consumer i7 960 3.2 1066 130W x x - Nehalem 4 core Consumer i7 950 3.06 1066 130W x x - Nehalem 4 core Consumer i7 940 2.93 1066 130W x x - Nehalem 4 core Consumer i7 930 2.8 1066 130W x x - Nehalem 4 core Consumer i7 920 2.66 1066 130W x x - * Requires 4,1 to 5,1 firmware upgrade ---------------------------------------------------------------------------------------- ---------------- Mac Pro 3,1 Xserve 2,1 64GB maximum RAM The 3,1 MP is not compatible with all steppings.