Product comparison · 2 memory modules

HP 4Gb DDR2 SDRAM (2 x 2GB) 800MHz vs Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8

Key differences

Memory layout (modules x size)
- 4Gb DDR2 SDRAM (2 x 2GB) 800MHz:2 x 2 GB
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:1 x 4 GB
Memory type
- 4Gb DDR2 SDRAM (2 x 2GB) 800MHz:PC2-6400
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:DDR2

Differences highlightedShow differences only

Comparison of 4Gb DDR2 SDRAM (2 x 2GB) 800MHz, 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8
20 specifications	A HP 4Gb DDR2 SDRAM (2 x 2GB) 800MHz View product	B Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8 View product
Features2 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 4 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latencyKnown for one	Unknown — not stated by the source	5
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	4
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	512M X 72
Memory typeDiffers	PC2-6400	DDR2
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 4096 MB

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.