Product comparison · 2 memory modules

Kingston Technology Memory 256MB 100MHz ECC Registered CL2 DIMM vs Kingston Technology ValueRAM 2x 512MB 400MHz DDR kit

Key differences

Internal memory
- Memory 256MB 100MHz ECC Registered CL2 DIMM:0.25 GB
- ValueRAM 2x 512MB 400MHz DDR kit:0.5 GB
Memory form factor
- Memory 256MB 100MHz ECC Registered CL2 DIMM:168-pin DIMM
- ValueRAM 2x 512MB 400MHz DDR kit:184-pin DIMM
ECC
- Memory 256MB 100MHz ECC Registered CL2 DIMM:Yes
- ValueRAM 2x 512MB 400MHz DDR kit:No
CAS latency
- Memory 256MB 100MHz ECC Registered CL2 DIMM:2
- ValueRAM 2x 512MB 400MHz DDR kit:3
Memory bus
- Memory 256MB 100MHz ECC Registered CL2 DIMM:72 bit
- ValueRAM 2x 512MB 400MHz DDR kit:64 bit
Memory voltage
- Memory 256MB 100MHz ECC Registered CL2 DIMM:3.3 V
- ValueRAM 2x 512MB 400MHz DDR kit:2.5 V

Differences highlightedShow differences only

Comparison of Memory 256MB 100MHz ECC Registered CL2 DIMM, ValueRAM 2x 512MB 400MHz DDR kit
16 specifications	A Kingston Technology Memory 256MB 100MHz ECC Registered CL2 DIMM View product	B Kingston Technology ValueRAM 2x 512MB 400MHz DDR kit View product
Features6 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR
Memory form factorDiffers	168-pin DIMM	184-pin DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	2	3
Memory busDiffers	72 bit	64 bit
Memory voltageDiffers	3.3 V	2.5 V
Lead platingKnown for one	Gold	Unknown — not stated by the source
Internal memory access speedKnown for one	10 ns	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133 mm
DepthKnown for one	Unknown — not stated by the source	1.2 mm
HeightKnown for one	Unknown — not stated by the source	32 mm
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 50 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	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.