Product comparison · 2 memory modules

Kingston Technology 1GB DDR2 240-pin DIMM Kit vs Kingston Technology 4GB 1333MHz ECC

Key differences

Internal memory
- 1GB DDR2 240-pin DIMM Kit:1 GB
- 4GB 1333MHz ECC:4 GB
Memory layout (modules x size)
- 1GB DDR2 240-pin DIMM Kit:1 x 1 GB
- 4GB 1333MHz ECC:1 x 4 GB
Internal memory type
- 1GB DDR2 240-pin DIMM Kit:DDR2
- 4GB 1333MHz ECC:DDR3
CAS latency
- 1GB DDR2 240-pin DIMM Kit:5
- 4GB 1333MHz ECC:9
Buffered memory type
- 1GB DDR2 240-pin DIMM Kit:Registered (buffered)
- 4GB 1333MHz ECC:Unregistered (unbuffered)
Memory ranking
- 1GB DDR2 240-pin DIMM Kit:1
- 4GB 1333MHz ECC:2
Memory voltage
- 1GB DDR2 240-pin DIMM Kit:1.8 V
- 4GB 1333MHz ECC:1.5 V
Module configuration
- 1GB DDR2 240-pin DIMM Kit:128M X 72
- 4GB 1333MHz ECC:512M X 72

Differences highlightedShow differences only

Comparison of 1GB DDR2 240-pin DIMM Kit, 4GB 1333MHz ECC
21 specifications	A Kingston Technology 1GB DDR2 240-pin DIMM Kit View product	B Kingston Technology 4GB 1333MHz ECC View product
Features9 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Differs	1 x 1 GB	1 x 4 GB
Internal memory typeDiffers	DDR2	DDR3
CAS latencyDiffers	5	9
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Memory rankingDiffers	1	2
Memory voltageDiffers	1.8 V	1.5 V
Module configurationDiffers	128M X 72	512M X 72
Memory typeDiffers	DDR2	DDR3
Other features3 differ
CompatibilityKnown for one	Unknown — not stated by the source	A3132552 (DELL); A3132555 (DELL)
Bus clock rateDiffers	667 MHz	1333 MHz
Country of originKnown for one	Unknown — not stated by the source	United States
Internal memoryDiffers	1024 MB	4096 MB
Memory layoutDiffers	1 x 1024 MB	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.