Product comparison · 2 memory modules

Origin Storage 8GB DDR3 1866MHz RDIMM 1Rx4 ECC vs Origin Storage 8GB DDR4 2666MHz RDIMM 1Rx8 ECC

Key differences

Internal memory type
- 8GB DDR3 1866MHz RDIMM 1Rx4 ECC:DDR3
- 8GB DDR4 2666MHz RDIMM 1Rx8 ECC:DDR4
Memory form factor
- 8GB DDR3 1866MHz RDIMM 1Rx4 ECC:240-pin DIMM
- 8GB DDR4 2666MHz RDIMM 1Rx8 ECC:288-pin DIMM
CAS latency
- 8GB DDR3 1866MHz RDIMM 1Rx4 ECC:11
- 8GB DDR4 2666MHz RDIMM 1Rx8 ECC:17
Memory clock speed
- 8GB DDR3 1866MHz RDIMM 1Rx4 ECC:1866 MHz
- 8GB DDR4 2666MHz RDIMM 1Rx8 ECC:2400 MHz
Memory voltage
- 8GB DDR3 1866MHz RDIMM 1Rx4 ECC:1.5 V
- 8GB DDR4 2666MHz RDIMM 1Rx8 ECC:1.2 V
Height
- 8GB DDR3 1866MHz RDIMM 1Rx4 ECC:30.4 mm
- 8GB DDR4 2666MHz RDIMM 1Rx8 ECC:31.2 mm

Differences highlightedShow differences only

Comparison of 731761-B21-OS, 805347-B21-OS
25 specifications	A Origin Storage 8GB DDR3 1866MHz RDIMM 1Rx4 ECC Model 731761-B21-OS View product	B Origin Storage 8GB DDR4 2666MHz RDIMM 1Rx8 ECC Model 805347-B21-OS View product
Features5 differ
Internal memory	8 GB	8 GB
Memory layout (modules x size)	1 x 8 GB	1 x 8 GB
Internal memory typeDiffers	DDR3	DDR4
Component for	PC/Server	PC/Server
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	11	17
Memory clock speedDiffers	1866 MHz	2400 MHz
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory ranking	1	1
Memory voltageDiffers	1.5 V	1.2 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%
Sustainabilityidentical
Compliance certificates	RoHS, CE, UKCA, Federal Communications Commission (FCC), REACH	RoHS, CE, UKCA, Federal Communications Commission (FCC), REACH
Softwareidentical
Windows operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Weight & dimensions1 differ
Width	133.3 mm	133.3 mm
Depth	3.8 mm	3.8 mm
HeightDiffers	30.4 mm	31.2 mm
Weight	100 g	100 g
Logistics dataidentical
Harmonized System (HS) code	84733020	84733020
Other featuresidentical
Warranty period	20 year(s)	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.