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Upgrade RAM from 2 X 2GB

post #1 of 5
Thread Starter 
Hello fellas, simple question here. I have Gigabyte GA-890FXA-UD5 motherboard:

http://ca.gigabyte.com/products/product-page.aspx?pid=3755#sp

The RAM I currently have is G.Skill F3-12800CL6-2GBPI

The speed is 667 MHz (DDR3 1333)

According to Gigabyte my mobo supports "Support for DDR3 2000(OC)/1333/1066 MHz memory modules"

I am not sure if I can buy DDR3 2000. My guess is the higher the number, the faster the RAM, right? I figure since RAM is so cheap nowadays, I might as well do an upgrade BUT there are so many options there.

I currently have 2GB X 2GB. I hear 8GB would give a significant boost on apps and some gaming, such as fixing lags. 16GB I hear is OVERKILL. Now should I just get another set of 2X2 or one 8GB stick or two 4GB sticks?

Thanks in advance guys.
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i5 3570K asrock z77 extreme4 PNY GTX 670 SLI Kingston KHX1600C9D3K2/8GX  
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post #2 of 5
Overkill depends on what you are doing....which is?
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DD Boxen
(23 items)
 
   
CPUMotherboardGraphicsRAM
Intel Xeon E3-1230 Asus Maximus IV Gene-Z/Gen3 Powercolor 6970 2GB G. Skill 1600mHz Ripjaws 
Hard DriveOptical DriveCoolingCooling
SpinpontF3 1TB, WD 250, and WD320 Lite-On DT Waterblocks DT5Noz Waterblock Swiftech Komodo 6900-1 Waterblock 
CoolingCoolingCoolingOS
Swiftech MCR-220 Drive radiator Swiftech MCR-220 QP radiator 6xGentle Typhoon AP-15s Archx64 KDE4.5, Windows 7 x64 
MonitorKeyboardPowerCase
Eyefinity 3-head 5265x1050 OCN Ducky!! MX Blue Switches XFX 750W Black Edition Mountain Mods H2gO 
MouseAudioAudioAudio
Razer Naga Asus Xonar Essence STX Sennheiser 595 Sony STR-DE995 A/V receiver 
OtherOther
Lian Li Card flash memory reader Asus PCE-N15 Wifi-N card 
CPUMotherboardGraphicsRAM
AMD 1055T Gigabyte 790 Sapphire 4850x2 2x2GB 1600mHz 
Hard DriveOptical DriveOSKeyboard
A few Yes Vista/7 Das Keyboard 
Power
Ugly 
CPUMotherboardGraphicsRAM
Qualcomm Snapdragon APQ8060 1.2 GHz Something kinda small Qualcomm Adreno core 16GB 
Hard DriveOptical DriveOSMonitor
None N/A WebOS 3.0.2 9.7" XGA, multitouch 
PowerCase
6300mAh Piano Black 
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post #3 of 5
Thread Starter 
Well, people tell me nothing uses more than 8GB of RAM for everyday home use right now, unless you are using a supercomputers to do some crazy *****.

I am mainly a gamer and BF3 is pi**ing me off with stutter/lag so I thought why not get more ram wink.gif
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K asrock z77 extreme4 PNY GTX 670 SLI Kingston KHX1600C9D3K2/8GX  
Hard DriveOSMonitorPower
Crucial 250GB SSD CT256M4SSD2 Windows 7-64 BenQ XL2420T Coolermaster 1000W 
CaseMouse
Antec 1200 Logitech G5 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K asrock z77 extreme4 PNY GTX 670 SLI Kingston KHX1600C9D3K2/8GX  
Hard DriveOSMonitorPower
Crucial 250GB SSD CT256M4SSD2 Windows 7-64 BenQ XL2420T Coolermaster 1000W 
CaseMouse
Antec 1200 Logitech G5 
  hide details  
Reply
post #4 of 5
4 GB. is fine for most people, 8 GB. is more than enough for 99% of PC users.

As far as RAM speed goes, it depends on which CPU you run. Phenom II default speed is 1333 MHz. but Deneb CPUs will usually run 1600 MHz. without issue. Thurban's will often run 1800+ MHz. FX CPUs run 1866 MHz. by default and over 2200 for many people. You must manually set these faster than default RAM speeds in the BIOS however. Your PC will not automatically boot to a higher than OE RAM frequency until you set it properly in the BIOS.

Here's the catch... increased DDR3 frequency or lower latencies makes hardly any difference as they are not bottlenecking the system. You might be talking ~1% change in system performance going from 1333 MHz. to 1600 MHz. based on my testing.

The sweet spot on DDR3 RAM pricing seems to be at 1600 MHz. I'd buy one, matched, tested RAM kit of 2x 4 GB. and call it a day as mixing of RAM is never recommended and RAM prices are very cheap right now. Filling all RAM slots on a mobo often forces the RAM to the default frequency, so there is nothing to be gained by doing so.
post #5 of 5

RAM speed running compatibility shouldn't be specified by motherboard manufacturers now, that depends on the integrated memory controller on the CPUs.  E0 revision CPUs (i.e. Phenom II x6, x4 960T) have been found to be able to run 2000Mhz DDR3 memory with proper/necessary adjustments to CPU-NB voltage.  Anything in between that will also work fine provided adjustments.  "2000Mhz" is really more of a specification of "how high memory can be expected to clock on this particular motherboard" (it can sometimes but rarely vary).

2x4GB memory seems to be the best value.  NCIX US has a 2x4GB Kingston HyperX DDR3-1600 kit out right now for $34 (free shipping only on orders over $50 at NCIX US though, but 4x4GB is $68 shipped)

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