Product comparison · 2 memory modules

HP 8GB DDR2-400 vs Kingston Technology 1GB DDR2-667 DIMM

Key differences

Internal memory
- 8GB DDR2-400:8 GB
- 1GB DDR2-667 DIMM:1 GB
Memory layout (modules x size)
- 8GB DDR2-400:2 x 4 GB
- 1GB DDR2-667 DIMM:1 x 1 GB
ECC
- 8GB DDR2-400:Yes
- 1GB DDR2-667 DIMM:No
Buffered memory type
- 8GB DDR2-400:Registered (buffered)
- 1GB DDR2-667 DIMM:Unregistered (unbuffered)

Differences highlightedShow differences only

Comparison of 8GB DDR2-400, 1GB DDR2-667 DIMM
19 specifications	A HP 8GB DDR2-400 View product	B Kingston Technology 1GB DDR2-667 DIMM View product
Features4 differ
Internal memoryDiffers	8 GB	1 GB
Memory layout (modules x size)Differs	2 x 4 GB	1 x 1 GB
Memory form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
ECCDiffers	Yes	No
CAS latencyKnown for one	Unknown — not stated by the source	5
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	128M X 64
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Component forKnown for one	PC/Server	Unknown — not stated by the source
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.3 mm
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	1024 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 1024 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.