Product comparison · 2 memory modules

HyperX 1GB 400MHz DDR Non-ECC CL2.5 DIMM vs Kingston Technology Memory 512MB 100MHz ECC CL3 DIMM

Key differences

Internal memory
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:1 GB
- Memory 512MB 100MHz ECC CL3 DIMM:0.5 GB
Memory form factor
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:184-Pin DIMM
- Memory 512MB 100MHz ECC CL3 DIMM:168-pin DIMM
ECC
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:No
- Memory 512MB 100MHz ECC CL3 DIMM:Yes
CAS latency
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:2
- Memory 512MB 100MHz ECC CL3 DIMM:3
Memory bus
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:64 bit
- Memory 512MB 100MHz ECC CL3 DIMM:72 bit
Memory voltage
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:2.6 V
- Memory 512MB 100MHz ECC CL3 DIMM:3.3 V
Internal memory access speed
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:5 ns
- Memory 512MB 100MHz ECC CL3 DIMM:10 ns
Operating temperature (T-T)
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:0 - 70 °C
- Memory 512MB 100MHz ECC CL3 DIMM:10 - 50 °C

Differences highlightedShow differences only

Comparison of 1GB 400MHz DDR Non-ECC CL2.5 DIMM, Memory 512MB 100MHz ECC CL3 DIMM
14 specifications	A HyperX 1GB 400MHz DDR Non-ECC CL2.5 DIMM View product	B Kingston Technology Memory 512MB 100MHz ECC CL3 DIMM View product
Features7 differ
Internal memoryDiffers	1 GB	0.5 GB
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
Memory form factorDiffers	184-Pin DIMM	168-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	2	3
Memory clock speedKnown for one	400 MHz	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Memory voltageDiffers	2.6 V	3.3 V
Internal memory access speedDiffers	5 ns	10 ns
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 70 °C	10 - 50 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Other featuresidentical
Access timeKnown for one	Unknown — not stated by the source	9 ms

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.