Product comparison · 2 memory modules

Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x8 Intel vs Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8

Key differences

Internal memory
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x8 Intel:2 GB
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:4 GB
Memory layout (modules x size)
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x8 Intel:1 x 2 GB
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:2 x 2 GB
Error indication
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x8 Intel:ECC
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:Parity
Internal memory
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x8 Intel:2048 MB
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:4096 MB
Memory layout
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x8 Intel:1 x 2048 MB
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:2 x 2048 MB

Differences highlightedShow differences only

Comparison of 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x8 Intel, 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8
19 specifications	A Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x8 Intel View product	B Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 View product
Features2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latency	5	5
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltage	1.8 V	1.8 V
Module configuration	256M X 72	256M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold
Other features3 differ
Chips organisation	X8	X8
Bus clock rate	667 MHz	667 MHz
Error indicationDiffers	ECC	Parity
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	1 x 2048 MB	2 x 2048 MB

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.