Product comparison · 2 memory modules

2-Power 4GB DDR2 RDIMM vs Origin Storage 4GB DDR3 1866MHz RDIMM 2Rx8 ECC

Key differences

Internal memory type
- 4GB DDR2 RDIMM:DDR2
- 4GB DDR3 1866MHz RDIMM 2Rx8 ECC:DDR3
Component for
- 4GB DDR2 RDIMM:Laptop
- 4GB DDR3 1866MHz RDIMM 2Rx8 ECC:PC/Server
Memory form factor
- 4GB DDR2 RDIMM:200-pin SO-DIMM
- 4GB DDR3 1866MHz RDIMM 2Rx8 ECC:240-pin DIMM
CAS latency
- 4GB DDR2 RDIMM:5
- 4GB DDR3 1866MHz RDIMM 2Rx8 ECC:11
Memory clock speed
- 4GB DDR2 RDIMM:667 MHz
- 4GB DDR3 1866MHz RDIMM 2Rx8 ECC:1866 MHz
Width
- 4GB DDR2 RDIMM:152 mm
- 4GB DDR3 1866MHz RDIMM 2Rx8 ECC:133.3 mm
Depth
- 4GB DDR2 RDIMM:6 mm
- 4GB DDR3 1866MHz RDIMM 2Rx8 ECC:3.8 mm
Height
- 4GB DDR2 RDIMM:52 mm
- 4GB DDR3 1866MHz RDIMM 2Rx8 ECC:30.4 mm

Differences highlightedShow differences only

Comparison of 4GB DDR2 RDIMM, OM4G31866R2RX8E15
26 specifications	A 2-Power 4GB DDR2 RDIMM View product	B Origin Storage 4GB DDR3 1866MHz RDIMM 2Rx8 ECC Model OM4G31866R2RX8E15 View product
Features5 differ
Internal memory typeDiffers	DDR2	DDR3
Component forDiffers	Laptop	PC/Server
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latencyDiffers	5	11
Memory clock speedDiffers	667 MHz	1866 MHz
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
BacklightKnown for one	Unknown — not stated by the source	No
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 85 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-25 - 95 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 85%
Sustainabilityidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Softwareidentical
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	152 mm	133.3 mm
DepthDiffers	6 mm	3.8 mm
HeightDiffers	52 mm	30.4 mm
WeightDiffers	22 g	100 g
Packaging dataidentical
Package typeKnown for one	DIMM	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.