Product comparison · 2 memory modules

Dell 4GB (2x2GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC vs HyperX 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM (Kit of 2), Intel XMP

Key differences

Internal memory
- 4GB (2x2GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC:4 GB
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM (Kit of 2), Intel XMP:2 GB
Internal memory type
- 4GB (2x2GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC:DDR2
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM (Kit of 2), Intel XMP:DDR3
ECC
- 4GB (2x2GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC:Yes
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM (Kit of 2), Intel XMP:No
Memory clock speed
- 4GB (2x2GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC:667 MHz
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM (Kit of 2), Intel XMP:1800 MHz

Differences highlightedShow differences only

Comparison of 4GB (2x2GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC, 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM (Kit of 2), Intel XMP
10 specifications	A Dell 4GB (2x2GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC View product	B HyperX 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM (Kit of 2), Intel XMP View product
Features4 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Internal memory typeDiffers	DDR2	DDR3
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
CAS latencyKnown for one	Unknown — not stated by the source	8
Memory clock speedDiffers	667 MHz	1800 MHz
Memory voltageKnown for one	Unknown — not stated by the source	1.7 V
Lead platingKnown for one	Unknown — not stated by the source	Gold
Other featuresidentical
Number of pinsKnown for one	240	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.