Product comparison · 2 memory modules

Kingston Technology 4GB DDR2-400 Dual Rank Kit (Chipkill) vs Kingston Technology 4GB Single Rank Kit (Chipkill)

Key differences

Internal memory type
- 4GB DDR2-400 Dual Rank Kit (Chipkill):DRAM
- 4GB Single Rank Kit (Chipkill):DDR2
Memory ranking
- 4GB DDR2-400 Dual Rank Kit (Chipkill):2
- 4GB Single Rank Kit (Chipkill):1

Differences highlightedShow differences only

Comparison of 4GB DDR2-400 Dual Rank Kit (Chipkill), 4GB Single Rank Kit (Chipkill)
21 specifications	A Kingston Technology 4GB DDR2-400 Dual Rank Kit (Chipkill)View product	B Kingston Technology 4GB Single Rank Kit (Chipkill)View product
Features2 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)	2 x 2 GB	2 x 2 GB
Internal memory typeDiffers	DRAM	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latency	3	3
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingDiffers	2	1
Memory voltage	1.8 V	1.8 V
Module configuration	256M X 72	256M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733020
Other features1 differ
Chips organisation	X4	X4
CompatibilityDiffers	39M5811 (IBM); 39M5812 (IBM); 39M5814 (IBM); 73P2867 (IBM); 40E9000 (IBM); 73P2871 (IBM)	39M5815 (IBM); 73P4792 (IBM); 40E8993 (IBM); 73P4793 (IBM)
Bus clock rate	400 MHz	400 MHz
Error indication	ECC	ECC
Form factor	240-pin DIMM	240-pin DIMM
Internal memory	4096 MB	4096 MB
Memory layout	2 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.