RAM Speeds Low?

CmdrJeffSinclair · Mar 25, 2017

I have a 5820k at 4375MHz with 16GB Corsair Vengeance DDR4 LPX 3000MHz at 14-15-15-33 but my bandwidth seems off. Is write supposed to be that low, for example? I tightened the timings but only gained 3GB/s for each for sooooooo much work.

Please let me know if these speeds are typical!

AIDA64

READ 44GB/s
WRITE 27.9GB/s
COPY 36.4GB/s
LATENCY 58.8ns

SinxarKnights · Mar 25, 2017

No idea if the transfer rate is good or not but it shows the correct speed.

DDR means Double Data Rate. 1500 x 2 = 3000.

CmdrJeffSinclair · Mar 26, 2017

SinxarKnights :

Not sure why you responded when you didn't know the answer haha but thanks friend

SinxarKnights · Mar 26, 2017

CmdrJeffSinclair :

Ah sorry, I thought you ask about your ram speeds being low.

CmdrJeffSinclair · Mar 26, 2017

SinxarKnights :

oh good point maybe wording was off. Bandwidth appears low especially on write performance

CmdrJeffSinclair · Mar 29, 2017

I figured it out. I was set to dual channel mode. Had to place my DIIMs into the 4 black slots, they were in the blue ones. My RAM read/write/copy are all now 54-59GB/s and latency dropped to 20ns

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RAM Speeds Low?

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