HP 4GB DDR2-667 (2x 2GB) ECC FBD vs HP 4Gb DDR2 SDRAM (2 x 2GB) 800MHz

Comparison of 4GB DDR2-667 (2x 2GB) ECC FBD, 4Gb DDR2 SDRAM (2 x 2GB) 800MHz

7 specifications	A HP 4GB DDR2-667 (2x 2GB) ECC FBDView product	B HP 4Gb DDR2 SDRAM (2 x 2GB) 800MHzView product
Features1 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)	2 x 2 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Yes	—Unknown — not stated by the source
Memory clock speedDiffers	667 MHz	800 MHz
Memory typeKnown for one	—Unknown — not stated by the source	PC2-6400

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.