Product comparison · 2 memory modules

Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 vs Kingston Technology 512MB PC2100

6specifications compared
5differ
1identical
6known for one product only

Key differences

The Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 has 1.5 GB more internal memory than the Kingston Technology 512MB PC2100 (2 GB vs 0.5 GB). The Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 has 72 -pin DIMM more memory form factor than the Kingston Technology 512MB PC2100 (240-pin DIMM vs 168-pin DIMM). The Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 has 8 bit more memory bus than the Kingston Technology 512MB PC2100 (72 bit vs 64 bit). Internal memory type: DDR2 on the Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4, DRAM on the Kingston Technology 512MB PC2100.

Internal memory
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
- 512MB PC2100:0.5 GB
Internal memory type
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:DDR2
- 512MB PC2100:DRAM
Memory form factor
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:240-pin DIMM
- 512MB PC2100:168-pin DIMM
Memory bus
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:72 bit
- 512MB PC2100:64 bit
Memory voltage
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:1.8 V
- 512MB PC2100:3.3 V

Side by side

Differences highlightedShow differences only

Comparison of 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4, 512MB PC2100
12 specifications	A Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product	B Kingston Technology 512MB PC2100 View product
Features5 differ
Internal memoryDiffers	2 GB	0.5 GB
Internal memory typeDiffers	DDR2	DRAM
Memory form factorDiffers	240-pin DIMM	168-pin DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
CAS latencyKnown for one	3	Unknown — not stated by the source
Memory busDiffers	72 bit	64 bit
Check widthKnown for one	4 bit	Unknown — not stated by the source
Memory voltageDiffers	1.8 V	3.3 V
Lead plating	Gold	Gold
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 0.5 GB
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory typeKnown for one	Unknown — not stated by the source	DDR

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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