Product comparison · 2 memory modules

HP 4GB PC2-6400 vs HP 585157-001 memory module

7specifications compared
3differ
4identical
3known for one product only

Key differences

The HP 585157-001 memory module has 3 more CAS latency than the HP 4GB PC2-6400 (9 vs 6). The HP 585157-001 memory module has 533 MHz more memory clock speed than the HP 4GB PC2-6400 (1333 MHz vs 800 MHz). Internal memory type: DDR2 on the HP 4GB PC2-6400, DDR3 on the HP 585157-001 memory module.

Internal memory type
- 4GB PC2-6400:DDR2
- 585157-001 memory module:DDR3
CAS latency
- 4GB PC2-6400:6
- 585157-001 memory module:9
Memory clock speed
- 4GB PC2-6400:800 MHz
- 585157-001 memory module:1333 MHz

Side by side

Differences highlightedShow differences only

Comparison of 4GB PC2-6400, 585157-001
10 specifications	A HP 4GB PC2-6400 View product	B HP 585157-001 memory module Model 585157-001 View product
Features3 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Internal memory typeDiffers	DDR2	DDR3
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	No	No
CAS latencyDiffers	6	9
Memory clock speedDiffers	800 MHz	1333 MHz
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Buffered memory typeKnown for one	Unregistered (unbuffered)	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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