Product comparison · 2 memory modules

Kingston Technology 1GB DDR400 Single Rank Kit vs Kingston Technology 4GB Single Rank Kit

9specifications compared
5differ
4identical
12known for one product only

Key differences

The Kingston Technology 4GB Single Rank Kit has 3 GB more internal memory than the Kingston Technology 1GB DDR400 Single Rank Kit (4 GB vs 1 GB). The Kingston Technology 4GB Single Rank Kit has 56 -pin DIMM more memory form factor than the Kingston Technology 1GB DDR400 Single Rank Kit (240-pin DIMM vs 184-pin DIMM). Memory layout (modules x size): 1 x 1 GB on the Kingston Technology 1GB DDR400 Single Rank Kit, 2 x 2 GB on the Kingston Technology 4GB Single Rank Kit. Internal memory type: DDR on the Kingston Technology 1GB DDR400 Single Rank Kit, DDR2 on the Kingston Technology 4GB Single Rank Kit. Memory type: DDR on the Kingston Technology 1GB DDR400 Single Rank Kit, DDR2 on the Kingston Technology 4GB Single Rank Kit.

Internal memory
- 1GB DDR400 Single Rank Kit:1 GB
- 4GB Single Rank Kit:4 GB
Memory layout (modules x size)
- 1GB DDR400 Single Rank Kit:1 x 1 GB
- 4GB Single Rank Kit:2 x 2 GB
Internal memory type
- 1GB DDR400 Single Rank Kit:DDR
- 4GB Single Rank Kit:DDR2
Memory form factor
- 1GB DDR400 Single Rank Kit:184-pin DIMM
- 4GB Single Rank Kit:240-pin DIMM
Memory type
- 1GB DDR400 Single Rank Kit:DDR
- 4GB Single Rank Kit:DDR2

Side by side

Differences highlightedShow differences only

Comparison of 1GB DDR400 Single Rank Kit, 4GB Single Rank Kit
21 specifications	A Kingston Technology 1GB DDR400 Single Rank Kit View product	B Kingston Technology 4GB Single Rank Kit View product
Features5 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Differs	1 x 1 GB	2 x 2 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorDiffers	184-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyKnown for one	Unknown — not stated by the source	3
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	1
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 72
Memory typeDiffers	DDR	DDR2
Lead plating	Gold	Gold
Component forKnown for one	PC/Server	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X4
CompatibilityKnown for one	Unknown — not stated by the source	343057-B21 (HP)
Bus clock rateKnown for one	Unknown — not stated by the source	400 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	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.

More memory module comparisons

All memory module comparisons