Product comparison · 2 memory modules

Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 vs Kingston Technology 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2)

9specifications compared
8differ
1identical
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 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2) (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 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2) (3 vs 2.5). The Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 has 8 bit more memory bus than the Kingston Technology 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2) (72 bit vs 64 bit). Only the Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 has ECC. Internal memory type: DDR2 on the Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4, DDR on the Kingston Technology 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2).

Internal memory
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
- 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2):0.25 GB
Internal memory type
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:DDR2
- 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2):DDR
Memory form factor
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:240-pin DIMM
- 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2):184-Pin DIMM
ECC
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:Yes
- 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2):No
CAS latency
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:3
- 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2):2.5
Memory bus
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:72 bit
- 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2):64 bit
Check width
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:4 bit
- 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2):8 bit
Memory voltage
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:1.8 V
- 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2):2.5 V

Side by side

Differences highlightedShow differences only

Comparison of 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4, 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2)
9 specifications	A Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product	B Kingston Technology 512MB 333MHz DDR Non-ECC CL2.5 DIMM (Kit of 2)View product
Features8 differ
Internal memoryDiffers	2 GB	0.25 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	3	2.5
Memory busDiffers	72 bit	64 bit
Check widthDiffers	4 bit	8 bit
Memory voltageDiffers	1.8 V	2.5 V
Lead plating	Gold	Gold

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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