Product comparison · 2 memory modules

Kingston Technology 1GB 333MHz DDR ECC CL2.5 DIMM vs Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8

Key differences

Internal memory
- 1GB 333MHz DDR ECC CL2.5 DIMM:1 GB
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:0.5 GB
Memory layout (modules x size)
- 1GB 333MHz DDR ECC CL2.5 DIMM:1 x 1 GB
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:1 x 0.5 GB
CAS latency
- 1GB 333MHz DDR ECC CL2.5 DIMM:2.5
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:3
Buffered memory type
- 1GB 333MHz DDR ECC CL2.5 DIMM:Unregistered (unbuffered)
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:Registered (buffered)
Memory voltage
- 1GB 333MHz DDR ECC CL2.5 DIMM:2.5 V
- 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8:2.6 V

Differences highlightedShow differences only

Comparison of 1GB 333MHz DDR ECC CL2.5 DIMM, 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8
13 specifications	A Kingston Technology 1GB 333MHz DDR ECC CL2.5 DIMM View product	B Kingston Technology 512MB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x8 View product
Features5 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory layout (modules x size)Differs	1 x 1 GB	1 x 0.5 GB
Internal memory type	DDR	DDR
Memory form factor	184-pin DIMM	184-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	2.5	3
Memory bus	72 bit	72 bit
Check width	8 bit	8 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageDiffers	2.5 V	2.6 V
Memory type	DDR	DDR
Lead plating	Gold	Gold
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8

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.