chrispy550 Posted June 28, 2013 Share Posted June 28, 2013 Hello, I recently purchased a new system. My motherboard is as stated in the title: Gigabyte GA-Z87-D3HP Memory is Corsair Vengeance 16GB in (4 x 4GB configuration) CMZ16GX3M4A1600C9 My processor is QuadCore Intel i5-4670K Haswell. I have created a ticket on Corsair's support website. It stated I would see a reply in 1 business day. It has been 5 days as of the creation of this thread. First, the problem: The system will Blue Screen at desktop if all 4 memory modules are in the system and with the BIOS setting forcing the RAM into the advertised 1600mhz mode. If I simply activate the XMP profile in BIOS it remains at 1333mhz despite the BIOS showing 1600mhz. System will blue screen at desktop in forced 1600mhz mode and system is unstable at 1333mhz mode (games crash, blue screens, lockups, hangs, hiccups, looping sound, etc). Went into BIOS, attempted to enable a BIOS feature called "Enhanced RAM Stability Mode". This appeared to help at first, but inevitably the same result occurred. System can boot at 1333mhz with all 4 modules in, but it continues to blue screen, hang, crash, etc. Removed two sticks of RAM from system - this brought me down to 8GB total RAM in system. This initially seemed to work and I thought my problem was bad RAM slots in the motherboard. I returned the board, assuming it was defective. Got new board. Installed everything. Same problem. To me this ruled out bad RAM slots, but its always possible to get two defective boards in a row. On the current board I have removed 2 sticks again, so total RAM in system is 8GB. I have moved them into each of the two dual channel slots to test. I have now discovered that: If the system is in "Enhanced RAM Stability Mode" (BIOS setting) and only 2 of my 4 memory modules are in I can run the system stable at 1333mhz AND forced 1600mhz at stock timings and voltage. If, at any time, I turn off "stability mode" or I put all 4 memory sticks into the system, it returns to blue screens and lock ups. My RAM part number CMZ16GX3M4A1600C9 is on my board's compatibility list. I ran MemTest for 12 hours with all 4 sticks in system, no errors. I do not believe the RAM to be defective, but it is a possibility because I am a layman at this and not an expert. I have explained all of this in detail to Corsair in my ticket and received no response. I am running Windows 7 Enterprise 64-bit. All my other hardware is available in my profile, but if you can't see it or need to know, ask. I have tried reinstalling Windows as well. At this point my belief is that (despite being on my mobo's compatibility list) the 4 slots of RAM that I have are not stable/compatible with my system/hardware. I can't explain it, but I believe it to be true. I have asked Corsair for an exchange for different RAM, preferably in a 2 x 8GB configuration, no response. Thank you for taking the time, -Chris Link to comment Share on other sites More sharing options...
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