Combining two DDR3 triple channel kits - ideal configuration

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netfreak

Honorable
Apr 23, 2013
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10,510
Hello,

I have a relatively "old" build with an X58 chipset that supported triple channel memory.

I already had a 6GB triple channel kit from Corsair with these specs:
Model#: CM3X2G1600C8
DDR3 1600 (PC3 12800)
Timing 8-8-8-24
Cas Latency 8
Voltage 1.5V - 1.65V

The only available Corsair model in the market was this:
Model#: CMX6GX3M3A1600C9
DDR3 1600 (PC3 12800)
Timing 9-9-9-24
Cas Latency 9
Voltage 1.65V

Initially I was worried it won't even boot if I paired them. Everything booted fine. XMP is enabled, set to auto.

My question is regarding Memory speed. In BIOS by default when the 2 kits were booted it gave me 533.3Mhz.

I went in and changed it for all sticks to 800Mhz since in parenthesis it shows ( DDR3-1600 / PC3-12800 ) which fits with the kits type... Am I doing something wrong? Am I basically trying to overclock them? ( in the BIOS the available memory speed was from 400 to 1600Mhz )
 
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netfreak

Honorable
Apr 23, 2013
10
0
10,510


So I can even try setting their speed to higher numbers? ( as long as they appear stable and below 1600Mhz? )
 
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netfreak

Honorable
Apr 23, 2013
10
0
10,510


I'm aware the latency will "play" with the higher ( slower ) setting.

I was talking about the clock speed - RAM was never my strong point.

In hw64, in summary of modules reports as:
Current Memory Clock: 803.3 MHz (6 : 1 ratio)
Current Timing (tCAS-tRCD-tRP-tRAS): 9.0-9-9-24
Memory Runs At: Triple-Channel


Each individual stick in there reports as:
Memory Speed: 800.0 MHz (DDR3-1600 / PC3-12800)

 
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netfreak

Honorable
Apr 23, 2013
10
0
10,510


CPUZ Memory:
DRAM frequency: 803Mhz
 
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