Product comparison · 2 memory modules

HP 4GB DDR2-400 vs Kingston Technology 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2)

5specifications compared
5differ
0identical
10known for one product only

Key differences

The HP 4GB DDR2-400 has 2 GB more internal memory than the Kingston Technology 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2) (4 GB vs 2 GB). The HP 4GB DDR2-400 has 56 -pin DIMM more memory form factor than the Kingston Technology 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2) (240-pin DIMM vs 184-pin DIMM). Only the HP 4GB DDR2-400 has ECC. Memory layout (modules x size): 2 x 2 GB on the HP 4GB DDR2-400, 2 x 1 GB on the Kingston Technology 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2). Internal memory type: DDR2 on the HP 4GB DDR2-400, DDR on the Kingston Technology 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2).

Internal memory
- 4GB DDR2-400:4 GB
- 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):2 GB
Memory layout (modules x size)
- 4GB DDR2-400:2 x 2 GB
- 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):2 x 1 GB
Internal memory type
- 4GB DDR2-400:DDR2
- 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):DDR
Memory form factor
- 4GB DDR2-400:240-pin DIMM
- 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):184-pin DIMM
ECC
- 4GB DDR2-400:Yes
- 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):No

Side by side

Differences highlightedShow differences only

Comparison of 4GB DDR2-400, 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2)
15 specifications	A HP 4GB DDR2-400 View product	B Kingston Technology 2GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2)View product
Features5 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	2 x 2 GB	2 x 1 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-pin DIMM
ECCDiffers	Yes	No
CAS latencyKnown for one	Unknown — not stated by the source	3
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageKnown for one	Unknown — not stated by the source	2.6 V
Memory typeKnown for one	Unknown — not stated by the source	DDR
Lead platingKnown for one	Unknown — not stated by the source	Gold
Component forKnown for one	PC/Server	Unknown — not stated by the source
Memory clock speedKnown for one	400 MHz	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C
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.

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