Product comparison · 2 memory modules

Kingston Technology 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 vs Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4

9specifications compared
5differ
4identical
0known 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 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 (2 GB vs 0.25 GB). The Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 has 56 -pin DIMM more memory form factor than the Kingston Technology 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 (240-pin DIMM vs 184-pin DIMM). The Kingston Technology 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 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). Internal memory type: DDR on the Kingston Technology 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8, DDR2 on the Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4.

Internal memory
- 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:0.25 GB
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
Internal memory type
- 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:DDR
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:DDR2
Memory form factor
- 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:184-pin DIMM
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:240-pin DIMM
Check width
- 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:8 bit
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:4 bit
Memory voltage
- 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:2.6 V
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:1.8 V

Side by side

Differences highlightedShow differences only

Comparison of 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8, 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4
9 specifications	A Kingston Technology 256MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 View product	B Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product
Features5 differ
Internal memoryDiffers	0.25 GB	2 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorDiffers	184-pin DIMM	240-pin DIMM
Check widthDiffers	8 bit	4 bit
Memory voltageDiffers	2.6 V	1.8 V

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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