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ASRock Fatal1ty X99M Killer/3.1 with 128G
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mpolo2015 View Drop Down
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Joined: 08 Jul 2015
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    Posted: 08 Jul 2015 at 10:06am
Hello all,

I'm new to ASRock ... currently doing research on building a workstation for engineering work. Particulary I was wondering if I could increase the RAM to 128GB? If I found 32GB RDIMM sticks like the Transcend TS4GHR72V1C? (http://www.cdw.com/shop/products/Transcend-DDR4-32-GB-DIMM-288-pin/3592647.aspx?pfm=srh)

For those that like new builds here is my current choices for this build.

Here is my current planned build list:
**CPU** | [Intel Xeon E5-1650 V3 3.5GHz 6-Core Processor](http://pcpartpicker.com/part/intel-cpu-bx80644e51650v3) 
**CPU Cooler** | [Corsair H100i GTX 70.7 CFM Liquid CPU Cooler](http://pcpartpicker.com/part/corsair-cpu-cooler-cw9060021ww)
**Motherboard** | [ASRock Fatal1ty X99M Killer/3.1 Micro ATX LGA2011-3 Motherboard](http://pcpartpicker.com/part/asrock-motherboard-fatal1tyx99mkiller31)
**Memory** | [Crucial 64GB (4 x 16GB) Registered DDR4-2133 Memory](http://pcpartpicker.com/part/crucial-memory-ct4k16g4vfd4213)
**Storage** | [Samsung SM951 512GB M.2-2280 Solid State Drive](http://pcpartpicker.com/part/samsung-internal-hard-drive-mzhpv512hdgl00000)
**Storage** | [OCZ Vector 180 960GB 2.5" Solid State Drive](http://pcpartpicker.com/part/ocz-internal-hard-drive-vtr18025sat3960g)
**Video Card** | [AMD FirePro W9100 16GB Video Card](http://pcpartpicker.com/part/amd-video-card-100505725) (2-Way CrossFire)
**Video Card** | [AMD FirePro W9100 16GB Video Card](http://pcpartpicker.com/part/amd-video-card-100505725) (2-Way CrossFire)
**Case** | [Corsair Air 240 MicroATX Mid Tower Case](http://pcpartpicker.com/part/corsair-case-cc9011070ww) 
**Power Supply** | [Corsair 1000W 80+ Platinum Certified Fully-Modular ATX Power Supply](http://pcpartpicker.com/part/corsair-power-supply-cp9020074)
**Operating System** | [Microsoft Windows 10 Pro OEM (64-bit)](http://pcpartpicker.com/part/microsoft-os-fqc08930)
~Marco
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Xaltar View Drop Down
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Joined: 16 May 2015
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Points: 25073 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jul 2015 at 12:11pm
Welcome to the forums Smile

Check this thread for more information on 32gb RAM.
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parsec View Drop Down
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Points: 4996 		Post Options Post Options   Thanks (0) Thanks(0)   Quote parsec Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jul 2015 at 1:44pm
Memory capacity for socket 2011-v3 systems is rather ambiguous IMO, due to the specs (or lack of) provided by Intel. The memory specs are few and unspecific about capacity.

The memory controller in these systems is an IMC in the CPU, so is (or should be) influenced by the board itself only to a small degree. Since the socket 2011-v3 processors are the only ones (as of this date) capable of supporting DDR4 memory, you would think all DDR4 memory available would be compatible with these systems. That does not seem to be the case.

The main memory capacity spec is given for the processors themselves. The three HEDT models (i7-5800 series) all are 64GB maximum. For example:

http://ark.intel.com/products/82930/Intel-Core-i7-5960X-Processor-Extreme-Edition-20M-Cache-up-to-3_50-GHz

The E5 v3 Xeon processors all have the same maximum memory spec, 768GB. For example:

http://ark.intel.com/products/83359/Intel-Xeon-Processor-E5-2640-v3-20M-Cache-2_60-GHz

So your potential Xeon processor will support 128GB of memory. The board you choose might be the main thing limiting your capacity.
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Points: 25073 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jul 2015 at 2:10pm
I am inclined to agree with Parsec here. The "killer" series of motherboards are geared towards gaming systems and as such are not as full featured as the extreme series. While certain components on the killer series are top notch, in some cases even better than their extreme counterparts, it is only in regards to features that improve gaming performance. Many workstation oriented features are either lacking or below the standards of the extreme series. 

If I were you I would swap out the killer for either the X99 Extreme4/3.1 or better yet the Extreme6/3.1. Both would easily handle the firepros in crossfire and would be more likely to support larger RAM capacities. 
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