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mac pro ram

  1. R

    MP 1,1-5,1 Mac Pro 5,1 Ram Compatibility

    Hello. I'm new to the MAC world and don't know much about them yet. Within the last 2 years or so I obtained a Mac Pro 5,1 dual processor that had bootcamp installed and running Windows 10 Pro 64 bit OS. The computer runs very well with the set up/hardware it has in it but I wanted to upgrade...
  2. Palmaik

    Mac Pro 4.1 / 5.1 1333Mhz Ram issue

    Hi guys! I am running an early 2009 single CPU Mac Pro 4.1, successful updated with the 5.1 firmware. After the installation of a 6 core Xeon with 3.46Ghz and 4 x 8GB HYNX 1333Mhz ECC Ram, everything is running fine, except one minor issue : The rams are only recognized as 1066Mhz instead of...
    • Palmaik
    • Thread
    • 1066mhz 1333 mac 4.1 mac pro (early 2009) mac pro ram
    • Replies: 14
    • Forum: Mac Pro
  3. pixelatedscraps

    2R Dual rank vs 4R Quad rank RAM on cMP 5,1

    I just installed 64Gb (4x16Gb) of PC3-10600 DDR3-1333 4R (quad ranked) RAM into the cMP 5,1 in my signature (slots 1-2, 5-6) and its displaying as running at 1066Mhz not 1333Mhz in System Report. Would I be advised in exchanging these for 2R dual ranked chips instead of 4R in order to gain the...
  4. jannikmeissner

    Resolved Mac Pro 4,1/ early 2009 RAM slot layout

    I am currently upgrading an early 2012 to 6 Core CPUs (washer stack method) and I have experienced some oddities: It does boot, but it shows a red diagnosis LED/ red lamp next to the front (when having the tray inserted) CPU. However, in system profiler it shows slots 1 and 2 as empty (which...
    • jannikmeissner
    • Thread
    • mac pro mac pro cpu upgrage mac pro early 2009 mac pro ram
    • Replies: 1
    • Forum: Mac Pro
  5. K

    Best RAM fot Mac Pro 2013?

    Hello, people. I have Mac Pro ME293 (4 core, 256 SSD and 12gb RAM), I want 32GB RAM, but I don't know which Brand is the best for Pro. Now I choose this variant: 4x Samsung DDR3 1866 Registered ECC DIMM 8Gb. Is that a good choice?
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