Product comparison · 2 memory modules

HyperX Memory HyperX 512MB 900MHz DDR2 CL5 2pk vs Kingston Technology Memory 4GB DDR 266MHz RegECC CL25

9specifications compared
8differ
1identical
1known for one product only

Key differences

The Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 has 3.75 GB more internal memory than the HyperX Memory HyperX 512MB 900MHz DDR2 CL5 2pk (4 GB vs 0.25 GB). The HyperX Memory HyperX 512MB 900MHz DDR2 CL5 2pk has 2.5 more CAS latency than the Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 (5 vs 2.5). The Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 has 8 bit more memory bus than the HyperX Memory HyperX 512MB 900MHz DDR2 CL5 2pk (72 bit vs 64 bit). Only the Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 has ECC. Internal memory type: DDR2 on the HyperX Memory HyperX 512MB 900MHz DDR2 CL5 2pk, DDR on the Kingston Technology Memory 4GB DDR 266MHz RegECC CL25.

Internal memory
- Memory HyperX 512MB 900MHz DDR2 CL5 2pk:0.25 GB
- Memory 4GB DDR 266MHz RegECC CL25:4 GB
Internal memory type
- Memory HyperX 512MB 900MHz DDR2 CL5 2pk:DDR2
- Memory 4GB DDR 266MHz RegECC CL25:DDR
Memory form factor
- Memory HyperX 512MB 900MHz DDR2 CL5 2pk:240-pin DIMM
- Memory 4GB DDR 266MHz RegECC CL25:184-Pin DIMM
ECC
- Memory HyperX 512MB 900MHz DDR2 CL5 2pk:No
- Memory 4GB DDR 266MHz RegECC CL25:Yes
CAS latency
- Memory HyperX 512MB 900MHz DDR2 CL5 2pk:5
- Memory 4GB DDR 266MHz RegECC CL25:2.5
Memory bus
- Memory HyperX 512MB 900MHz DDR2 CL5 2pk:64 bit
- Memory 4GB DDR 266MHz RegECC CL25:72 bit
Check width
- Memory HyperX 512MB 900MHz DDR2 CL5 2pk:8 bit
- Memory 4GB DDR 266MHz RegECC CL25:4 bit
Memory voltage
- Memory HyperX 512MB 900MHz DDR2 CL5 2pk:2.0 V
- Memory 4GB DDR 266MHz RegECC CL25:2.5 V

Side by side

Differences highlightedShow differences only

Comparison of Memory HyperX 512MB 900MHz DDR2 CL5 2pk, Memory 4GB DDR 266MHz RegECC CL25
10 specifications	A HyperX Memory HyperX 512MB 900MHz DDR2 CL5 2pk View product	B Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 View product
Features8 differ
Internal memoryDiffers	0.25 GB	4 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	5	2.5
Memory busDiffers	64 bit	72 bit
Check widthDiffers	8 bit	4 bit
Memory voltageDiffers	2.0 V	2.5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source

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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