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Help choosing memory for an AMD FX-6100 3.3mhz on a GA-990XA-UD3 board

post #1 of 7
Thread Starter 
Help with choosing the best ram . . .


I am an extreme power user (with common sense and a budget) and I just purchased the following combination:

NOTE: I am not a gamer. This system will be used in n at home business application, stock trading, CAD and design. . . . many applications running at once with many calculations


GA-990XA-UD3
AMD FX-6100 3.3ghz (unlocked)


I am trying to get many opinions and reason befind each for what the best ram match for this setup would be. I am planning making the ram purchase today and after much reading I am unsure' Anyone answering, please understand that I realize that some making are better and more stable than others and that I would love your opinion on that as wel, maybe personal experiences too.

My main objective is to get ram that will allow me room to play and tweak without running into premature limits or restrictions. I plan on first purchasing (2) ram modules and then adding another matching (2) in a few weeks; Just not sure what others have experienced or already figured out, as far as the best match.





GA-990XA-UD3 Specs:

http://www.gigabyte.com/products/product-page.aspx?pid=3901#sp

Hyper Transport Bus
5200 MT/s

Chipset
North Bridge: AMD 990X
South Bridge: AMD SB950

Memory
(Note 1) 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory. Dual channel memory architecture
(Note 2) Support for DDR3 2000(O.C.)/1866/1600/1333/1066 MHz memory modules



Special Board Information

(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.

(Note 2) To support a DDR3 1866 MHz (and above) memory, you must install an AMD AM3+ CPU first.



AMD FX-6100 3.3ghz specs:

http://www.amd.com/us/products/desktop/processors/amdfx/Pages/amdfx-model-number-comparison.aspx


AMD64 Technology Yes
Simultaneous 32- & 64-bit computing Yes
L1 Cache (Instruction + Data) per core 128KB (64KB + 64KB)
L2 Cache (1MB per core) 8MB or 6MB or 4MB
L3 Cache 8MB (shared L3)
HyperTransport™ Technology
HyperTransport™ Technology up to 4000MT/s full duplex, or up to 16.0GB/s I/O Bandwidth
Integrated DDR3 Memory Controller Yes
Memory Controller Width 128-bit
Memory Bandwidth Up to 21 GB/s dual channel memory bandwidth
Total Processor-to-system Bandwidth (HyperTransport plus memory bandwidth) Up to 37 GB/s
Process Technology 32 nanometer, SOI (silicon-on-insulator) Technology
Packaging AM3+
Thermal Design Power 125W, & 95W
Type of Memory Supported Up to DDR3 18661
post #2 of 7
go with one of these
SAMSUNG 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 48$ shipped
post #3 of 7
Thread Starter 
Thank you for the reply. That is a good price, but price is a flexible issue. I am just not looking to pay $500 or something. "ON A BUDGET" is not the most important part of my quest. I am looking for the most limitless ram. I want to tweak the system upward and not hit roadblocks
post #4 of 7
http://vr-zone.com/articles/amd-fx-8150-memory-scaling-investigation--feeding-the-bulldozer/13704.html

^- Some bulldozer memory scaling benchmarks.

I would probably go with some decent ddr3-1866 since that's the highest frequency Bulldozer officially supports, I would imagine it's memory controller is optimally tweaked for that speed.
Spit in God's Eye
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Spit in God's Eye
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7-5960x @ 4.26 ghz core / 3.53 ghz uncore - 1.... AsRock X99 Extreme3 EVGA GTX980 Ti 16gb (4x4gb) Crucial DDR4 2133 CL15  
Hard DriveHard DriveHard DriveOptical Drive
A-Data SP600 256gb SSD (C:) Samsung 840 EVO 1TB SSD (D:) Seagate 2TB Hybrid Drive (E:) LITE-ON 24x DVDRW 
CoolingOSMonitorKeyboard
Corsair H110 Win 10 x64 HP 2511x ( 25" 1080p ) AZIO L70 
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Corsair TX750 Antec 300 (Modded) Logitech M100 Onboard 
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post #5 of 7
Quote:
Originally Posted by Tarun View Post

go with one of these
SAMSUNG 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 48$ shipped

^this.

btw, the 6100 is never locked, thus cannot be unlocked. it is just what it is - a six core. and a newer version is out - the 6200.

for business application i suggest no tweaking. install hardware, turn on, software, and go to work.


EDIT: i highly suggest the 6200 because it comes with a hefty frequency out the box.

forgot to welcome you - ciao!
Edited by rdr09 - 3/31/12 at 8:44am
Second Intel Rig
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Second Intel Rig
(16 items)
 
  
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2700 4.5/ 1.28 77 290 (2) 8 / 1600 
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1000 360/240 7 64 28 2160 
PowerCase
850 540 
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post #6 of 7
What you do is up to you but you might want to know that it's never recommended to mix DDR3 RAM DIMMs or KITS (by Corsair and other RAM suppliers), even of the same part number as they are not guaranteed to function at the advertised latencies or frequency as the single rated DIMM / KIT.

As far as RAM that will allow you to "play and tweak and not run into limits"... that's a pretty undefined goal as some FX CPUs have been able to run RAM @ 2600 MHz. though there is no significant gains in real applications by doing so. You might want to read the testing below?

http://www.tweaktown.com/articles/4357/amd_fx_8150_bulldozer_2600mhz_ddr_ram_overclocking/index.html

http://www.overclock.net/t/1237004/i-wanna-upgrade-to-faster-memory-for-my-thuban-1055t-990fxa-ud5
post #7 of 7
Quote:
Originally Posted by Tarun View Post

go with one of these
SAMSUNG 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 48$ shipped

Samsung for the win! thumb.gif
    
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CPUMotherboardGraphicsRAM
AMD FX-4170 @ 4.86 Ghz ASUS M5A97 EVO 2 x PowerColor AX6790 Crossfire 16GB (4 x 4GB) SAMSUNG MV-3V4G3D @1890 Mhz 8-9-9 
Hard DriveOptical DriveCoolingOS
2x Corsair Force 3 120 GB SSD External USB AMD stock cooler Win7 Ultimate 
MonitorKeyboardPowerCase
ASUS 23" DVI Fullsize, solid. OCZ ModXStream Pro 500W CM Praetorian 730 Black 
Mouse
Has red light on bottom 
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