Product comparison · 2 memory modules

Kingston Technology 4GB DDR3 1333MHz x8 Kit vs Kingston Technology 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC

Key differences

Internal memory
- 4GB DDR3 1333MHz x8 Kit:4 GB
- 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC:8 GB
Memory layout (modules x size)
- 4GB DDR3 1333MHz x8 Kit:1 x 4 GB
- 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC:1 x 8 GB
Memory ranking
- 4GB DDR3 1333MHz x8 Kit:2
- 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC:4
Module configuration
- 4GB DDR3 1333MHz x8 Kit:512M X 72
- 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC:1024M X 72
Memory type
- 4GB DDR3 1333MHz x8 Kit:PC3-10600
- 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC:DDR3
Bus clock rate
- 4GB DDR3 1333MHz x8 Kit:1333 MHz
- 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC:1066 MHz
Internal memory
- 4GB DDR3 1333MHz x8 Kit:4096 MB
- 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC:8192 MB
Memory layout
- 4GB DDR3 1333MHz x8 Kit:1 x 4096 MB
- 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC:1 x 8192 MB

Differences highlightedShow differences only

Comparison of 4GB DDR3 1333MHz x8 Kit, 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC
23 specifications	A Kingston Technology 4GB DDR3 1333MHz x8 Kit View product	B Kingston Technology 8GB DDR3, 1066MHz, Quad Rank, Reg, ECC View product
Features5 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 8 GB
Internal memory type	DDR3	DDR3
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingDiffers	2	4
Memory voltage	1.5 V	1.5 V
Module configurationDiffers	512M X 72	1024M X 72
Memory typeDiffers	PC3-10600	DDR3
Lead plating	Gold	Gold
Packaging dataidentical
Package typeKnown for one	DIMM	Unknown — not stated by the source
Other features3 differ
Chips organisation	X8	X8
CompatibilityKnown for one	A2627870 (DELL); A4837612 (DELL); A4976355 (DELL); A5272860 (DELL)	Unknown — not stated by the source
Bus clock rateDiffers	1333 MHz	1066 MHz
Country of originKnown for one	United States	Unknown — not stated by the source
Error indication	ECC	ECC
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	4096 MB	8192 MB
Memory layoutDiffers	1 x 4096 MB	1 x 8192 MB
Number of pinsKnown for one	240	Unknown — not stated by the source

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.