Product comparison · 2 memory modules

Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 vs Kingston Technology 4GB 667MHz FBDIMM Kit

Key differences

Memory layout (modules x size)
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:1 x 4 GB
- 4GB 667MHz FBDIMM Kit:2 x 2 GB
Module configuration
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:512M X 72
- 4GB 667MHz FBDIMM Kit:256M X 72
Error indication
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:Parity
- 4GB 667MHz FBDIMM Kit:ECC
Memory layout
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:1 x 4096 MB
- 4GB 667MHz FBDIMM Kit:2 x 2048 MB

Differences highlightedShow differences only

Comparison of 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4, 4GB 667MHz FBDIMM Kit
20 specifications	A Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 View product	B Kingston Technology 4GB 667MHz FBDIMM Kit View product
Features2 differ
Memory layout (modules x size)Differs	1 x 4 GB	2 x 2 GB
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Memory rankingKnown for one	2	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Module configurationDiffers	512M X 72	256M X 72
Other features2 differ
Chips organisationKnown for one	X4	Unknown — not stated by the source
Error indicationDiffers	Parity	ECC
Memory layoutDiffers	1 x 4096 MB	2 x 2048 MB
CompatibilityKnown for one	Unknown — not stated by the source	MA508G/A (Apple)

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.