Product comparison · 2 memory modules

Dell 1GB PC2-3200 ECC DDR2-400 vs Dell 512MB PC2-4200 DDR2 SO-DIMM

Key differences

Internal memory
- 1GB PC2-3200 ECC DDR2-400:1 GB
- 512MB PC2-4200 DDR2 SO-DIMM:0.5 GB
Memory layout (modules x size)
- 1GB PC2-3200 ECC DDR2-400:2 x 0.5 GB
- 512MB PC2-4200 DDR2 SO-DIMM:1 x 0.5 GB
Component for
- 1GB PC2-3200 ECC DDR2-400:PC/Server
- 512MB PC2-4200 DDR2 SO-DIMM:Laptop
Memory form factor
- 1GB PC2-3200 ECC DDR2-400:240-pin DIMM
- 512MB PC2-4200 DDR2 SO-DIMM:200-pin SO-DIMM
ECC
- 1GB PC2-3200 ECC DDR2-400:Yes
- 512MB PC2-4200 DDR2 SO-DIMM:No
Memory clock speed
- 1GB PC2-3200 ECC DDR2-400:400 MHz
- 512MB PC2-4200 DDR2 SO-DIMM:533 MHz
Package type
- 1GB PC2-3200 ECC DDR2-400:DIMM
- 512MB PC2-4200 DDR2 SO-DIMM:SO-DIMM

Differences highlightedShow differences only

Comparison of 1GB PC2-3200 ECC DDR2-400, 512MB PC2-4200 DDR2 SO-DIMM
9 specifications	A Dell 1GB PC2-3200 ECC DDR2-400 View product	B Dell 512MB PC2-4200 DDR2 SO-DIMM View product
Features6 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory layout (modules x size)Differs	2 x 0.5 GB	1 x 0.5 GB
Internal memory type	DDR2	DDR2
Component forDiffers	PC/Server	Laptop
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECCDiffers	Yes	No
Memory clock speedDiffers	400 MHz	533 MHz
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Packaging data1 differ
Package typeDiffers	DIMM	SO-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.