Product comparison · 2 memory modules

HP 4Gb DDR2 667MHz ECC vs HP 512Mb DDR2 667MHz ECC

Key differences

Internal memory
- 4Gb DDR2 667MHz ECC:4 GB
- 512Mb DDR2 667MHz ECC:0.5 GB
Memory layout (modules x size)
- 4Gb DDR2 667MHz ECC:2 x 2 GB
- 512Mb DDR2 667MHz ECC:1 x 0.5 GB

Differences highlightedShow differences only

Comparison of 4Gb DDR2 667MHz ECC, 512Mb DDR2 667MHz ECC
7 specifications	A HP 4Gb DDR2 667MHz ECC View product	B HP 512Mb DDR2 667MHz ECC View product
Features2 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 0.5 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
Memory clock speed	667 MHz	667 MHz
Memory typeKnown for one	Unknown — not stated by the source	PC5300

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.