Product comparison · 2 memory modules

Kingston Technology 2GB 1333MHz ECC vs Kingston Technology 4GB DDR3-1333

Key differences

Internal memory
- 2GB 1333MHz ECC:2 GB
- 4GB DDR3-1333:4 GB
Memory layout (modules x size)
- 2GB 1333MHz ECC:1 x 2 GB
- 4GB DDR3-1333:1 x 4 GB
Memory bus
- 2GB 1333MHz ECC:72 bit
- 4GB DDR3-1333:64 bit
Module configuration
- 2GB 1333MHz ECC:256M X 72
- 4GB DDR3-1333:512M X 64

Differences highlightedShow differences only

Comparison of 2GB 1333MHz ECC, 4GB DDR3-1333
19 specifications	A Kingston Technology 2GB 1333MHz ECC View product	B Kingston Technology 4GB DDR3-1333 View product
Features4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory type	DDR3	DDR3
Memory form factor	240-pin DIMM	240-pin DIMM
CAS latency	9	9
Memory busDiffers	72 bit	64 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Module configurationDiffers	256M X 72	512M X 64
Memory type	DDR3	DDR3
Lead plating	Gold	Gold
ECCKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Chips organisation	X8	X8
CompatibilityKnown for one	Unknown — not stated by the source	A2578595 (DELL); A3132542 (DELL); A3132545 (DELL); A3139738 (DELL); A3414608 (DELL); A3708120 (DELL); A4892831 (DELL); A5039651 (DELL); A5039668 (DELL); A5039698 (DELL)
Bus clock rateKnown for one	Unknown — not stated by the source	1333 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 4096 MB

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.