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Mixing ram on SB

post #1 of 6
Thread Starter 
Hello,

I was wondering if it would be safe to mix ram on SB.

I have the Samsung 30nm ram and GSkill Sniper, 2 x 4GB of each.

If I run them at 1600 9 9 9 24 2T at 1.5volts, and they pass 12 hours of prime 95 blend with all ram used, is it technically 'ok' to mix them?

thanks,

desmin88.
post #2 of 6
The lowest speed always wins, but you can always mix RAM of the same RAM type (e.g. DDR3). Just remember, you lose any advantages by dual/tri/quad channel bandwidth when you mix.
post #3 of 6
Thread Starter 
There both rated for 1600Mhz, so I'm not concerned about that.

What do you mean lose advantages of dual channel?
post #4 of 6
Quote:
Originally Posted by desmin88 View Post

There both rated for 1600Mhz, so I'm not concerned about that.

What do you mean lose advantages of dual channel?

Slots 1+3, 2+4 on your motherboard are set for dual channel configuration. When you mix two unlike sticks into the opposite slot, the motherboard will not operate in dual channel mode. When you populate all four slots with different RAM, but the dual channel slots are populated with the same brand, YMMV. You most likely will lose the efficiency advantage.

In all honesty, you really want to stick with just two sticks of 4GB, as 4 sticks place strain on your memory controller, you could lose the dual channel bandwidth, you could lose the ability to overclock the RAM, and theoretically you will make your computer operate slower than before. Remember, speed is everything. Quantity has its limits.
post #5 of 6
As long as the sub timings are the same and it's stable, you're fine. thumb.gif
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it looks alive
(17 items)
 
Sandy Transformed
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CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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post #6 of 6
Thread Starter 
I have the two samsung sticks in 1 and 3, and the g skill sticks in 2 and 4.

I've been running MaxxMem to test if I lose any bandwidth, and none is lost.

I think I'll keep it like this for now.
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