Product comparison · 2 memory modules

Kingston Technology 1GB DDR2-400 vs Kingston Technology 512MB DDR400 ECC Dual Rank

7specifications compared
6differ
1identical
7known for one product only

Key differences

The Kingston Technology 1GB DDR2-400 has 0.5 GB more internal memory than the Kingston Technology 512MB DDR400 ECC Dual Rank (1 GB vs 0.5 GB). The Kingston Technology 1GB DDR2-400 has 56 -pin DIMM more memory form factor than the Kingston Technology 512MB DDR400 ECC Dual Rank (240-pin DIMM vs 184-pin DIMM). The Kingston Technology 512MB DDR400 ECC Dual Rank has 8 bit more memory bus than the Kingston Technology 1GB DDR2-400 (72 bit vs 64 bit). Memory layout (modules x size): 1 x 1 GB on the Kingston Technology 1GB DDR2-400, 1 x 0.5 GB on the Kingston Technology 512MB DDR400 ECC Dual Rank. Internal memory type: DDR2 on the Kingston Technology 1GB DDR2-400, DDR on the Kingston Technology 512MB DDR400 ECC Dual Rank.

Internal memory
- 1GB DDR2-400:1 GB
- 512MB DDR400 ECC Dual Rank:0.5 GB
Memory layout (modules x size)
- 1GB DDR2-400:1 x 1 GB
- 512MB DDR400 ECC Dual Rank:1 x 0.5 GB
Internal memory type
- 1GB DDR2-400:DDR2
- 512MB DDR400 ECC Dual Rank:DDR
Memory form factor
- 1GB DDR2-400:240-pin DIMM
- 512MB DDR400 ECC Dual Rank:184-pin DIMM
Memory bus
- 1GB DDR2-400:64 bit
- 512MB DDR400 ECC Dual Rank:72 bit
Memory type
- 1GB DDR2-400:DDR2
- 512MB DDR400 ECC Dual Rank:DDR

Side by side

Differences highlightedShow differences only

Comparison of 1GB DDR2-400, 512MB DDR400 ECC Dual Rank
14 specifications	A Kingston Technology 1GB DDR2-400 View product	B Kingston Technology 512MB DDR400 ECC Dual Rank View product
Features6 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory layout (modules x size)Differs	1 x 1 GB	1 x 0.5 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-pin DIMM
CAS latencyKnown for one	3	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Module configurationKnown for one	128M X 64	Unknown — not stated by the source
Memory typeDiffers	DDR2	DDR
Lead platingKnown for one	Unknown — not stated by the source	Gold
Other featuresidentical
Bus clock rateKnown for one	400 MHz	Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Chips organisationKnown for one	Unknown — not stated by the source	X8
Number of pinsKnown for one	Unknown — not stated by the source	184

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.

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