Product comparison · 2 memory modules

HyperX Memory HyperX 1GB 675MHz DDR2 2pk vs Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4

Key differences

Internal memory
- Memory HyperX 1GB 675MHz DDR2 2pk:0.5 GB
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
ECC
- Memory HyperX 1GB 675MHz DDR2 2pk:No
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:Yes
CAS latency
- Memory HyperX 1GB 675MHz DDR2 2pk:4
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:3
Memory bus
- Memory HyperX 1GB 675MHz DDR2 2pk:64 bit
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:72 bit
Check width
- Memory HyperX 1GB 675MHz DDR2 2pk:8 bit
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:4 bit

Differences highlightedShow differences only

Comparison of Memory HyperX 1GB 675MHz DDR2 2pk, 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4
10 specifications	A HyperX Memory HyperX 1GB 675MHz DDR2 2pk View product	B Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product
Features5 differ
Internal memoryDiffers	0.5 GB	2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	3
Memory busDiffers	64 bit	72 bit
Check widthDiffers	8 bit	4 bit
Lead plating	Gold	Gold
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source

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.