Product comparison · 2 memory modules

HyperX 4GB, 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM (Kit of 2), Tall HS vs Kingston Technology 2GB, DDR2, 800MHz, ECC, DIMM

Key differences

Internal memory
- 4GB, 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM (Kit of 2), Tall HS:4 GB
- 2GB, DDR2, 800MHz, ECC, DIMM:2 GB
Memory layout (modules x size)
- 4GB, 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM (Kit of 2), Tall HS:2 x 2 GB
- 2GB, DDR2, 800MHz, ECC, DIMM:1 x 2 GB
ECC
- 4GB, 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM (Kit of 2), Tall HS:No
- 2GB, DDR2, 800MHz, ECC, DIMM:Yes
Memory bus
- 4GB, 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM (Kit of 2), Tall HS:64 bit
- 2GB, DDR2, 800MHz, ECC, DIMM:72 bit

Differences highlightedShow differences only

Comparison of 4GB, 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM (Kit of 2), Tall HS, 2GB, DDR2, 800MHz, ECC, DIMM
18 specifications	A HyperX 4GB, 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM (Kit of 2), Tall HS View product	B Kingston Technology 2GB, DDR2, 800MHz, ECC, DIMM View product
Features4 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
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 busDiffers	64 bit	72 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltageKnown for one	2.2 V	Unknown — not stated by the source
Module configurationKnown for one	256M X 64	Unknown — not stated by the source
Lead plating	Gold	Gold
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Other featuresidentical
Bus clock rateKnown for one	1066 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Internal memoryKnown for one	4096 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 2048 MB	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.