Product comparison · 2 memory modules

Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 vs Kingston Technology Memory 256MB Reg ECC DDR CL2.5

8specifications compared
5differ
3identical
2known for one product only

Key differences

The Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 has 1.75 GB more internal memory than the Kingston Technology Memory 256MB Reg ECC DDR CL2.5 (2 GB vs 0.25 GB). The Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 has 0.5 more CAS latency than the Kingston Technology Memory 256MB Reg ECC DDR CL2.5 (3 vs 2.5). The Kingston Technology Memory 256MB Reg ECC DDR CL2.5 has 4 bit more check width than the Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 (8 bit vs 4 bit). Memory form factor: 240-pin DIMM on the Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4, 184-Pin DIMM on the Kingston Technology Memory 256MB Reg ECC DDR CL2.5.

Internal memory
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
- Memory 256MB Reg ECC DDR CL2.5:0.25 GB
Memory form factor
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:240-pin DIMM
- Memory 256MB Reg ECC DDR CL2.5:184-Pin DIMM
CAS latency
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:3
- Memory 256MB Reg ECC DDR CL2.5:2.5
Check width
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:4 bit
- Memory 256MB Reg ECC DDR CL2.5:8 bit
Memory voltage
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:1.8 V
- Memory 256MB Reg ECC DDR CL2.5:2.5 V

Side by side

Differences highlightedShow differences only

Comparison of 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4, Memory 256MB Reg ECC DDR CL2.5
10 specifications	A Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product	B Kingston Technology Memory 256MB Reg ECC DDR CL2.5 View product
Features5 differ
Internal memoryDiffers	2 GB	0.25 GB
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	3	2.5
Memory bus	72 bit	72 bit
Check widthDiffers	4 bit	8 bit
Memory voltageDiffers	1.8 V	2.5 V
Lead plating	Gold	Gold
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C

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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