Need help in selecting RAM for a AMD build

sekrad · Oct 13, 2015

I am building a pc for myself and so far have ordered the following from ebay:

1. AMD Athlon 5350 (25W)
2. Gigabyte AM1 - S2H Motherboard
3. ZEB-525B with 450W SMPS
4. Enter PCI USB Card

I had originally thought of ordering a Corsair Vengance 4 GB RAM (1600 Mhz) X 2 (~?2000)

However discovered a Kingston Fury 4 GB Ram (1866 Mhz) at a lower price. (~?1750)

Considerations:
- I am not going to do any overclocking etc., Just will go with stock default options
- I am not a gamer, this is mostly for a regular home use PC. I am learning Blender now (as a hobby only, not a profession) and understand more RAM will be useful.
- No serious video editing, however some basic Raw editor (UFRAW etc)
- Occasional programming/ modelling in R (Big data analytics) [For serious work will use office provided system, so just for sort of hobby coding with publicly available data]

1. Please let me know if the Kingston Fury stick will work in my board as my config supports only till 1600 Mhz?
2. What is XMP and PnP, Corsair spec says XMP compliant and Kingston Fury spec says PnP and Frequency selections (speed) 1333MHz, 1600MHz, 1866MHz, Is my board compatible with the Fury?
3. Considering the above please suggest if 8GB RAM is less/ or a overkill?
4. Should I go for a 8GB stick and leave one slot for a possible future upgrade, or straight away get two 4GB? or even aim for a 16GB?
5. I notice the Fury supports 1.35 V Is it supported in my board? I read somewhere using one stick lowers power consumption than 2? Pros and Cons please?

Thank you so much in advance for your advice helping me decide on the RAM

ComputerSecurityGuy · Oct 13, 2015

The Kingston should just be downclocked to 1600, at least that is what I have been told. If you get a mobo with overclocking support (for AM1 I think it's just the ASUS boards) then you can safely and easily overclock back up to 1866 without fear of harming the RAM.

bailojustin · Oct 25, 2015

I would keep the 1600mhz, when getting into ram timings and latency for underclocking it can be very difficult to achieves especially since your motherboard does NOT support 1866. you would get better performance from 1600, then under clocking a 1866.

Also I would recommend getting 1x8gb as from what I can tell your MOBO you have chosen does not support dual channel configuration. 8gb is most that you will need aswell, 1 8gb ddr3 1600mhz should run perfectly, anything else your getting into messing with latencys voltages and timings, those are all very difficult to understand and get correctly/stable if inexperienced.

Am1 technology does not support dual channel so make sure you don't get 2x4, get a 1x8 or a 1x4 if you do not think you will be using that much, but the 8gb is highly recommended.

Also to answer your other question XMP is a setting avaliable on memory for intel boards, which allows the ram to run at a much higher frequency then it does originally but the board AND cpu must both support this option otherwise it will default to a 1300mhz and enabling it via bios will bluescreen you or just cause infinite reset cycles.

sekrad · Oct 26, 2015

bailojustin :

I would keep the 1600mhz, when getting into ram timings and latency for underclocking it can be very difficult to achieves especially since your motherboard does NOT support 1866. you would get better performance from 1600, then under clocking a 1866.

Also I would recommend getting 1x8gb as from what I can tell your MOBO you have chosen does not support dual channel configuration. 8gb is most that you will need aswell, 1 8gb ddr3 1600mhz should run perfectly, anything else your getting into messing with latencys voltages and timings, those are all very difficult to understand and get correctly/stable if inexperienced.

Am1 technology does not support dual channel so make sure you don't get 2x4, get a 1x8 or a 1x4 if you do not think you will be using that much, but the 8gb is highly recommended.

Also to answer your other question XMP is a setting avaliable on memory for intel boards, which allows the ram to run at a much higher frequency then it does originally but the board AND cpu must both support this option otherwise it will default to a 1300mhz and enabling it via bios will bluescreen you or just cause infinite reset cycles.

Thank you bailojustin

I got a Corsair Vengeance 1X8GB, I really appreciate your time and the explanation. Thanks again! - Krishna

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