Product comparison · 2 memory modules

HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP vs Kingston Technology 2 GB DDR2 SDRAM Memory Module

Key differences

Internal memory
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:4 GB
- 2 GB DDR2 SDRAM Memory Module:2 GB
Memory layout (modules x size)
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:2 x 2 GB
- 2 GB DDR2 SDRAM Memory Module:2 x 1 GB
Internal memory type
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:DDR3
- 2 GB DDR2 SDRAM Memory Module:DDR2
Memory form factor
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:204-pin SO-DIMM
- 2 GB DDR2 SDRAM Memory Module:240-pin DIMM
ECC
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:No
- 2 GB DDR2 SDRAM Memory Module:Yes

Differences highlightedShow differences only

Comparison of 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP, 2 GB DDR2 SDRAM Memory Module
13 specifications	A HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP View product	B Kingston Technology 2 GB DDR2 SDRAM Memory Module View product
Features5 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	2 x 2 GB	2 x 1 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factorDiffers	204-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Memory voltageKnown for one	1.5 V	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Other featuresidentical
Special featuresKnown for one	Unknown — not stated by the source	Unbuffered

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.