Product comparison · 2 memory modules

Kingston Technology 16GB Kit vs Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8

Key differences

Internal memory
- 16GB Kit:16 GB
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:4 GB
Memory layout (modules x size)
- 16GB Kit:2 x 8 GB
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:1 x 4 GB
Module configuration
- 16GB Kit:1024M X 72
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:512M X 72
Internal memory
- 16GB Kit:16384 MB
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:4096 MB
Memory layout
- 16GB Kit:2 x 8192 MB
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:1 x 4096 MB

Differences highlightedShow differences only

Comparison of 16GB Kit, 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8
21 specifications	A Kingston Technology 16GB Kit View product	B Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8 View product
Features3 differ
Internal memoryDiffers	16 GB	4 GB
Memory layout (modules x size)Differs	2 x 8 GB	1 x 4 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 voltage	1.8 V	1.8 V
Module configurationDiffers	1024M X 72	512M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold
Memory rankingKnown for one	Unknown — not stated by the source	4
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
Other features2 differ
CompatibilityKnown for one	495604-B21 (HP); 413015-B21 (HP)	Unknown — not stated by the source
Bus clock rate	667 MHz	667 MHz
Error indication	ECC	ECC
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	16384 MB	4096 MB
Memory layoutDiffers	2 x 8192 MB	1 x 4096 MB
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.