Asrock Z77 Extreme4 and 2400mhz ram?

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H

hunk8

Reputable
Jun 7, 2015
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need to buy a new pair of ram.

Corsair Vengeance Pro 2400mhz 1.65v ram a good choice for Asrock Z77 Extreme4, 2500k @ 4.5ghz? or Corsair Vengeance Pro 1866mhz ram 1.5v? which ram would run faster?
 
Solution
Tradesman1
Realistically with the 2500K you are looking at being able to run 2133/9 (32GB) and up to 2400/10 (2x8GB 16GB total). Might see some variance depending on the strength of your CPUs individual MC (memory controller), the 3570K was a little stronger and more likely to run 2400 sticks with a OC
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B

brispuss

Splendid
Dec 27, 2014
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Overall speed depends on the CAS latency as well.

Using memory search at memory manufacturer websites, and the Asus memory QVL for finding compatible memory, these are some suggested memory at 2 x 4 GB dual channel kit configuration.

Kingston DDR3-2666 @ 1.65 V @ CL 11, part number KHX26C11T2K2/8X; latency = 8.25 ns

Adata DDR3-2400 @ 1.65 V @ CL 10, part number AX3U2400GC4G10-DG2; latency = 8.33 ns

Kingston DDR3-2400 @ 1.65 V @ CL 11, part number KHX24C11T2K2/8X; latency = 9.17 ns

Corsair DDR3-2133 @ 1.50 V @ CL 9, part number CMD8GX3M2A2133C9; latency = 8.44 ns

Corsair DDR3-2133 @ 1.65 V @ CL 9, part number CMY8GX3M2B2133C9; latency = 8.44 ns

Adata DDR3-2133 @ 1.65 V @ CL 10, part number AX3U2133XC4G10-2X; latency = 9.38 ns

G.Skill DDR3-2133 @ 1.65 V @ CL 9, part number F3-17000CL9D-8GBXLD; latency = 8.44 ns

Kingston DDR3-2133 @ 1.60 V @ CL 11, part number KHX21C11T1BK2/8X; latency = 10.31 ns

Kingston DDR3-2133 @ 1.65 V @ CL 10, part number KHX21C11T1BK2/8X; latency = 9.38 ns

Adata DDR3-2000 @ 1.65 V @ CL 9, part number AX3U2000GC4G9B-DG2; latency = 9.00 ns

Geil DDR3-2000 @ 1.65 V @ CL 9, part number GET38GB2000C9DC; latency = 9.00 ns

Corsair DDR3-1866 @ 1.50 V @ CL 9, part number CMD8GX3M2A1866C9; latency = 9.65 ns

Adata DDR3-1866 @ 1.65 V @ CL 9, part number AX3U1866GC4G9B-DG2; latency = 9.65 ns

G.Skill DDR3-1866 @ 1.50 V @ CL 9, part number F3-14900CL9D-8GBSR; latency = 9.65 ns

Kingston DDR3-1866 @ 1.50 V @ CL 11, part number KHX1866C11D3P1K2/8GX; latency = 11.79 ns

Kingston DDR3-1866 @ 1.65V @ CL 9, part number KHX1866C9D3K2/8GX; latency = 9.65 ns

Patriot DDR3-1866 @ 1.65 V @ CL 9, part number PXD38G1866ELK; latency = 9.65 ns


Fastest memory is the one with the lowest latency; here it is the Kingston DDR3-2666 @ CL 11 @ 8.25 ns.
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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Realistically with the 2500K you are looking at being able to run 2133/9 (32GB) and up to 2400/10 (2x8GB 16GB total). Might see some variance depending on the strength of your CPUs individual MC (memory controller), the 3570K was a little stronger and more likely to run 2400 sticks with a OC
 
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