Product comparison · 2 memory modules

Kingston Technology 2GB DDR2-667 Low Power Single Rank Kit vs Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Quad Rank, x8

Key differences

Internal memory
- 2GB DDR2-667 Low Power Single Rank Kit:2 GB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Quad Rank, x8:8 GB
Memory layout (modules x size)
- 2GB DDR2-667 Low Power Single Rank Kit:2 x 1 GB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Quad Rank, x8:2 x 4 GB

Differences highlightedShow differences only

Comparison of 2GB DDR2-667 Low Power Single Rank Kit, 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Quad Rank, x8
20 specifications	A Kingston Technology 2GB DDR2-667 Low Power Single Rank Kit View product	B Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Quad Rank, x8 View product
Features2 differ
Internal memoryDiffers	2 GB	8 GB
Memory layout (modules x size)Differs	2 x 1 GB	2 x 4 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
CAS latency	5	5
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingKnown for one	1	Unknown — not stated by the source
Memory voltage	1.8 V	1.8 V
Module configurationKnown for one	128M X 72	Unknown — not stated by the source
Memory type	DDR2	DDR2
Lead platingKnown for one	Gold	Unknown — not stated by the source
ECCKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Chips organisationKnown for one	X8	Unknown — not stated by the source
CompatibilityKnown for one	408851-B21 (HP); 483399-B21 (HP); EV282AA (HP)	Unknown — not stated by the source
Bus clock rateKnown for one	667 MHz	Unknown — not stated by the source
Error indicationKnown for one	Parity	Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Internal memoryKnown for one	2048 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 1024 MB	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.