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Appropriate RAM for budget APU System?

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December 8, 2012 11:30:16 AM

So my son has finally accumulated enough funds for his budget gaming computer at his mothers, but some of the parts that were recommended are no longer in stock. The only piece I am concerned with changing is the ram, I want to make sure that there aren't any issues with speed/timing/compatibility between ram/apu/mobo...

Here is the system as of now:


AMD A10-5800K Trinity 3.8GHz (4.2GHz Turbo) Socket FM2 100W Quad-Core Desktop APU (CPU + GPU) with DirectX 11 Graphic AMD Radeon HD 7660D AD580KWOHJBOX
ASRock FM2A75M-DGS FM2 AMD A75 (Hudson D3) SATA 6Gb/s USB 3.0 Micro ATX AMD Motherboard
G.SKILL Ares Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Desktop Memory Model F3-1866C9D-8GAB
CORSAIR Builder Series CX430 430W ATX12V v2.3 80 PLUS BRONZE Certified Active PFC Power Supply
COOLER MASTER Elite 431 Plus RC-431P-KWN2 Black Steel Body (0.5mm SECC), ABS plastic ATX Mid Tower Computer Case
Western Digital WD Blue WD5000AAKX 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive
LG CD/DVD Burner 24X DVD+R 6X DVD+RW 8X DVD+R DL 24X DVD-R 8X DVD-RW 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM Black SATA Model GH24NS72 - OEM
(and, of course OS, keyboard/mouse, and monitor)

G-skill lists the mobo as qualified so I assume there is no problem there (?), and as I understand it at least 1866 is desirable to help avoid choking the apu, so would the ares ram work for him?

More about : ram budget apu system

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a c 128 } Memory
December 8, 2012 12:24:32 PM

It should work, but may default to 1600; most ram won't run higher except when overclocking the cpu. I get 1600 when it's cheaper. Just look for cl9 9-9-9-24 timings at 1.5v.
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December 8, 2012 12:47:42 PM

Hmmm, so is the fact that this particular ram lists its timing as 9-10-9 at 1.5v a problem?
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a c 128 } Memory
December 8, 2012 1:19:00 PM

No. That's close enough. Let the board choose the timings. I use cpuz to confirm, but it only reports the ram speed as half the actual; 1600 will show up as 800.
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December 8, 2012 2:10:31 PM

o1die said:
No. That's close enough. Let the board choose the timings. I use cpuz to confirm, but it only reports the ram speed as half the actual; 1600 will show up as 800.


Alright, thanks for the help!
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December 8, 2012 2:10:49 PM

Best answer selected by edtheguy.
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December 8, 2012 2:26:30 PM

I would stick with the faster RAM. I can't find the review right now, but the since the APU uses the ram also as the Video ram. Graphic processing speed is directly proportional to the memory used. Do not cheap out on the memory with AMD APUs! Your cutting corners at the wrong spot!
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