Product comparison · 2 memory modules

Kingston Technology 4 x 2GB DDR3 1333MHz ECC vs Kingston Technology 4GB DDR3L 1333MHz Module

Key differences

Internal memory
- 4 x 2GB DDR3 1333MHz ECC:8 GB
- 4GB DDR3L 1333MHz Module:4 GB
Memory layout (modules x size)
- 4 x 2GB DDR3 1333MHz ECC:4 x 2 GB
- 4GB DDR3L 1333MHz Module:1 x 4 GB
Internal memory type
- 4 x 2GB DDR3 1333MHz ECC:DDR3
- 4GB DDR3L 1333MHz Module:DDR3L
Memory ranking
- 4 x 2GB DDR3 1333MHz ECC:1
- 4GB DDR3L 1333MHz Module:2
Memory voltage
- 4 x 2GB DDR3 1333MHz ECC:1.5 V
- 4GB DDR3L 1333MHz Module:1.35 V
Module configuration
- 4 x 2GB DDR3 1333MHz ECC:256M X 72
- 4GB DDR3L 1333MHz Module:512M x 72
Internal memory
- 4 x 2GB DDR3 1333MHz ECC:8192 MB
- 4GB DDR3L 1333MHz Module:4096 MB
Memory layout
- 4 x 2GB DDR3 1333MHz ECC:4 x 2048 MB
- 4GB DDR3L 1333MHz Module:1 x 4096 MB

Differences highlightedShow differences only

Comparison of 4 x 2GB DDR3 1333MHz ECC, 4GB DDR3L 1333MHz Module
27 specifications	A Kingston Technology 4 x 2GB DDR3 1333MHz ECC View product	B Kingston Technology 4GB DDR3L 1333MHz Module View product
Features6 differ
Internal memoryDiffers	8 GB	4 GB
Memory layout (modules x size)Differs	4 x 2 GB	1 x 4 GB
Internal memory typeDiffers	DDR3	DDR3L
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latency	9	9
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingDiffers	1	2
Memory voltageDiffers	1.5 V	1.35 V
Module configurationDiffers	256M X 72	512M x 72
Row cycle timeKnown for one	49.5 ns	Unknown — not stated by the source
Refresh row cycle timeKnown for one	160 ns	Unknown — not stated by the source
Row active timeKnown for one	36 ns	Unknown — not stated by the source
Lead plating	Gold	Gold
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory typeKnown for one	Unknown — not stated by the source	PC-10600
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 85 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-55 - 100 °C	Unknown — not stated by the source
Packaging dataidentical
Package type	DIMM	DIMM
Other features2 differ
Chips organisation	x8	X8
Bus clock rate	1333 MHz	1333 MHz
Error indication	ECC	ECC
Internal memoryDiffers	8192 MB	4096 MB
Memory layoutDiffers	4 x 2048 MB	1 x 4096 MB
Form factorKnown for one	Unknown — not stated by the source	240-pin VLP DIMM
Number of pinsKnown for one	Unknown — not stated by the source	240

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.