Product comparison · 2 memory modules

HP 500668-S21 memory module vs HP 512MB DDR SDRAM

Key differences

Internal memory
- 500668-S21 memory module:1 GB
- 512MB DDR SDRAM:0.5 GB
Memory layout (modules x size)
- 500668-S21 memory module:1 x 1 GB
- 512MB DDR SDRAM:2 x 0.5 GB
Internal memory type
- 500668-S21 memory module:DDR3
- 512MB DDR SDRAM:DDR
Memory form factor
- 500668-S21 memory module:240-pin DIMM
- 512MB DDR SDRAM:184-pin DIMM
ECC
- 500668-S21 memory module:Yes
- 512MB DDR SDRAM:No
CAS latency
- 500668-S21 memory module:9
- 512MB DDR SDRAM:2.5
Memory clock speed
- 500668-S21 memory module:1333 MHz
- 512MB DDR SDRAM:333 MHz

Differences highlightedShow differences only

Comparison of 500668-S21, 512MB DDR SDRAM
10 specifications	A HP 500668-S21 memory module Model 500668-S21 View product	B HP 512MB DDR SDRAM View product
Features7 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory layout (modules x size)Differs	1 x 1 GB	2 x 0.5 GB
Internal memory typeDiffers	DDR3	DDR
Component forKnown for one	PC/Server	Unknown — not stated by the source
Memory form factorDiffers	240-pin DIMM	184-pin DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	9	2.5
Memory clock speedDiffers	1333 MHz	333 MHz
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM

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.