Product comparison · 2 memory modules

HyperX Memory HyperX 512MB 750MHz DDR2 CL4 2pk vs Kingston Technology Memory 256MB Reg ECC DDR CL2.5

9specifications compared
6differ
3identical
1known for one product only

Key differences

The HyperX Memory HyperX 512MB 750MHz DDR2 CL4 2pk has 1.5 more CAS latency than the Kingston Technology Memory 256MB Reg ECC DDR CL2.5 (4 vs 2.5). The Kingston Technology Memory 256MB Reg ECC DDR CL2.5 has 8 bit more memory bus than the HyperX Memory HyperX 512MB 750MHz DDR2 CL4 2pk (72 bit vs 64 bit). The Kingston Technology Memory 256MB Reg ECC DDR CL2.5 has 0.6 V more memory voltage than the HyperX Memory HyperX 512MB 750MHz DDR2 CL4 2pk (2.5 V vs 1.9 V). Only the Kingston Technology Memory 256MB Reg ECC DDR CL2.5 has ECC. Memory form factor: 240-pin DIMM on the HyperX Memory HyperX 512MB 750MHz DDR2 CL4 2pk, 184-Pin DIMM on the Kingston Technology Memory 256MB Reg ECC DDR CL2.5.

Memory form factor
- Memory HyperX 512MB 750MHz DDR2 CL4 2pk:240-pin DIMM
- Memory 256MB Reg ECC DDR CL2.5:184-Pin DIMM
ECC
- Memory HyperX 512MB 750MHz DDR2 CL4 2pk:No
- Memory 256MB Reg ECC DDR CL2.5:Yes
CAS latency
- Memory HyperX 512MB 750MHz DDR2 CL4 2pk:4
- Memory 256MB Reg ECC DDR CL2.5:2.5
Memory bus
- Memory HyperX 512MB 750MHz DDR2 CL4 2pk:64 bit
- Memory 256MB Reg ECC DDR CL2.5:72 bit
Memory voltage
- Memory HyperX 512MB 750MHz DDR2 CL4 2pk:1.9 V
- Memory 256MB Reg ECC DDR CL2.5:2.5 V
Operating temperature (T-T)
- Memory HyperX 512MB 750MHz DDR2 CL4 2pk:0 - 55 °C
- Memory 256MB Reg ECC DDR CL2.5:0 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of Memory HyperX 512MB 750MHz DDR2 CL4 2pk, Memory 256MB Reg ECC DDR CL2.5
10 specifications	A HyperX Memory HyperX 512MB 750MHz DDR2 CL4 2pk View product	B Kingston Technology Memory 256MB Reg ECC DDR CL2.5 View product
Features5 differ
Internal memory	0.25 GB	0.25 GB
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	2.5
Memory busDiffers	64 bit	72 bit
Check width	8 bit	8 bit
Memory voltageDiffers	1.9 V	2.5 V
Lead plating	Gold	Gold
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 70 °C

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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