Product comparison · 2 memory modules

HP 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM vs Kingston Technology 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2)

Key differences

Internal memory
- 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM:2 GB
- 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2):4 GB
Memory layout (modules x size)
- 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM:1 x 2 GB
- 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2):2 x 2 GB
ECC
- 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM:Yes
- 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2):No
Buffered memory type
- 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM:Registered (buffered)
- 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2):Unregistered (unbuffered)

Differences highlightedShow differences only

Comparison of 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM, 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2)
20 specifications	A HP 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM View product	B Kingston Technology 4GB 667MHz DDR2 Non-ECC CL5 DIMM (Kit of 2)View product
Features4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 2 GB
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	256M X 64
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
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	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 x 2048 MB
Softwareidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	DIMM	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.