HP 2GB DDR2-400 vs Kingston Technology 4GB 667MHz Kit

Comparison of 2GB DDR2-400, 4GB 667MHz Kit

19 specifications	A HP 2GB DDR2-400View product	B Kingston Technology 4GB 667MHz KitView product
Features2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	2 x 1 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
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 voltageKnown for one	—Unknown — not stated by the source	1.8 V
Module configurationKnown for one	—Unknown — not stated by the source	256M X 72
Memory typeKnown for one	—Unknown — not stated by the source	DDR2
Lead platingKnown for one	—Unknown — not stated by the source	Gold
Component forKnown for one	PC/Server	—Unknown — not stated by the source
Memory form factorKnown for one	240-pin DIMM	—Unknown — not stated by the source
Memory clock speedKnown for one	400 MHz	—Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	—Unknown — not stated by the source	S26361-F3263-L523 (Fujitsu); S26361-F3263-L623 (Fujitsu)
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	2 x 2048 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.