Product comparison · 2 memory modules

Kingston Technology 4GB 667MHz FBDIMM Kit vs Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4

Key differences

Internal memory
- 4GB 667MHz FBDIMM Kit:4 GB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4:8 GB
Memory layout (modules x size)
- 4GB 667MHz FBDIMM Kit:2 x 2 GB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4:2 x 4 GB
Module configuration
- 4GB 667MHz FBDIMM Kit:256M X 72
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4:512M X 72
Error indication
- 4GB 667MHz FBDIMM Kit:ECC
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4:Parity
Internal memory
- 4GB 667MHz FBDIMM Kit:4096 MB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4:8192 MB
Memory layout
- 4GB 667MHz FBDIMM Kit:2 x 2048 MB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4:2 x 4096 MB

Differences highlightedShow differences only

Comparison of 4GB 667MHz FBDIMM Kit, 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4
21 specifications	A Kingston Technology 4GB 667MHz FBDIMM Kit View product	B Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank, x4 View product
Features3 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	2 x 2 GB	2 x 4 GB
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationDiffers	256M X 72	512M X 72
Other features3 differ
Chips organisationKnown for one	Unknown — not stated by the source	X4
Error indicationDiffers	ECC	Parity
Internal memoryDiffers	4096 MB	8192 MB
Memory layoutDiffers	2 x 2048 MB	2 x 4096 MB
CompatibilityKnown for one	MA508G/A (Apple)	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.