Product comparison · 2 memory modules

Kingston Technology 2GB DDR3 1066MHz SODIMM vs Kingston Technology 4GB 1066MHz Quad Rank Reg ECC Module

Key differences

Internal memory
- 2GB DDR3 1066MHz SODIMM:2 GB
- 4GB 1066MHz Quad Rank Reg ECC Module:4 GB
Memory layout (modules x size)
- 2GB DDR3 1066MHz SODIMM:1 x 2 GB
- 4GB 1066MHz Quad Rank Reg ECC Module:1 x 4 GB
Memory form factor
- 2GB DDR3 1066MHz SODIMM:204-pin SO-DIMM
- 4GB 1066MHz Quad Rank Reg ECC Module:240-pin DIMM
Memory bus
- 2GB DDR3 1066MHz SODIMM:64 bit
- 4GB 1066MHz Quad Rank Reg ECC Module:72 bit
Buffered memory type
- 2GB DDR3 1066MHz SODIMM:Unregistered (unbuffered)
- 4GB 1066MHz Quad Rank Reg ECC Module:Registered (buffered)
Module configuration
- 2GB DDR3 1066MHz SODIMM:256M X 64
- 4GB 1066MHz Quad Rank Reg ECC Module:512M X 72
Memory type
- 2GB DDR3 1066MHz SODIMM:PC-8500
- 4GB 1066MHz Quad Rank Reg ECC Module:DDR3

Differences highlightedShow differences only

Comparison of 2GB DDR3 1066MHz SODIMM, 4GB 1066MHz Quad Rank Reg ECC Module
14 specifications	A Kingston Technology 2GB DDR3 1066MHz SODIMM View product	B Kingston Technology 4GB 1066MHz Quad Rank Reg ECC Module View product
Features7 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory type	DDR3	DDR3
Component forKnown for one	Laptop	Unknown — not stated by the source
Memory form factorDiffers	204-pin SO-DIMM	240-pin DIMM
ECC	Yes	Yes
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Module configurationDiffers	256M X 64	512M X 72
Memory typeDiffers	PC-8500	DDR3
Lead plating	Gold	Gold
Packaging dataidentical
Package typeKnown for one	SO-DIMM	Unknown — not stated by the source
Other featuresidentical
Number of pinsKnown for one	204	Unknown — not stated by the source
Chips organisationKnown for one	Unknown — not stated by the source	X8

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.