Product comparison · 2 memory modules

Origin Storage 2GB DDR2-6400U 800MHz 240pin 2Rx8 UDIMM vs Origin Storage 4GB DDR3 1600MHz UDIMM 1Rx8 Non-ECC

Key differences

Internal memory
- 2GB DDR2-6400U 800MHz 240pin 2Rx8 UDIMM:2 GB
- 4GB DDR3 1600MHz UDIMM 1Rx8 Non-ECC:4 GB
Memory layout (modules x size)
- 2GB DDR2-6400U 800MHz 240pin 2Rx8 UDIMM:1 x 2 GB
- 4GB DDR3 1600MHz UDIMM 1Rx8 Non-ECC:1 x 4 GB
Internal memory type
- 2GB DDR2-6400U 800MHz 240pin 2Rx8 UDIMM:DDR2
- 4GB DDR3 1600MHz UDIMM 1Rx8 Non-ECC:DDR3
Memory clock speed
- 2GB DDR2-6400U 800MHz 240pin 2Rx8 UDIMM:800 MHz
- 4GB DDR3 1600MHz UDIMM 1Rx8 Non-ECC:1600 MHz
Memory ranking
- 2GB DDR2-6400U 800MHz 240pin 2Rx8 UDIMM:2
- 4GB DDR3 1600MHz UDIMM 1Rx8 Non-ECC:1
Memory voltage
- 2GB DDR2-6400U 800MHz 240pin 2Rx8 UDIMM:1.8 V
- 4GB DDR3 1600MHz UDIMM 1Rx8 Non-ECC:1.35 V

Differences highlightedShow differences only

Comparison of DELL256D64C2800, DELL512D64D31333
26 specifications	A Origin Storage 2GB DDR2-6400U 800MHz 240pin 2Rx8 UDIMM Model DELL256D64C2800 View product	B Origin Storage 4GB DDR3 1600MHz UDIMM 1Rx8 Non-ECC Model DELL512D64D31333 View product
Features6 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory typeDiffers	DDR2	DDR3
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	No	No
CAS latency	11	11
Memory clock speedDiffers	800 MHz	1600 MHz
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory rankingDiffers	2	1
Memory voltageDiffers	1.8 V	1.35 V
Backlight	No	No
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Storage temperature (T-T)	-25 - 95 °C	-25 - 95 °C
Operating relative humidity (H-H)	10 - 80%	10 - 80%
Storage relative humidity (H-H)	10 - 85%	10 - 85%
Sustainability1 differ
Compliance certificatesDiffers	RoHS	RoHS, CE, UKCA, Federal Communications Commission (FCC), REACH
Softwareidentical
Windows operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Weight & dimensionsidentical
Width	133.3 mm	133.3 mm
Depth	3.8 mm	3.8 mm
Height	30.4 mm	30.4 mm
Weight	100 g	100 g
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Other features1 differ
CompatibilityDiffers	Dell OptiPlex 740/745/755/760	Dell Optiplex 780
Warranty periodKnown for one	Unknown — not stated by the source	20 year(s)

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.