Product comparison · 2 memory modules

Kingston Technology 4GB, DDR3, 1066MHz, ECC f/ Dell vs Kingston Technology 8GB (2x4GB), SODIMM, 1066MHz

Key differences

Internal memory
- 4GB, DDR3, 1066MHz, ECC f/ Dell:4 GB
- 8GB (2x4GB), SODIMM, 1066MHz:8 GB
Memory layout (modules x size)
- 4GB, DDR3, 1066MHz, ECC f/ Dell:1 x 4 GB
- 8GB (2x4GB), SODIMM, 1066MHz:2 x 4 GB
Internal memory type
- 4GB, DDR3, 1066MHz, ECC f/ Dell:DDR3
- 8GB (2x4GB), SODIMM, 1066MHz:DRAM
Internal memory
- 4GB, DDR3, 1066MHz, ECC f/ Dell:4096 MB
- 8GB (2x4GB), SODIMM, 1066MHz:8192 MB
Memory layout
- 4GB, DDR3, 1066MHz, ECC f/ Dell:1 x 4096 MB
- 8GB (2x4GB), SODIMM, 1066MHz:2 x 4096 MB

Differences highlightedShow differences only

Comparison of 4GB, DDR3, 1066MHz, ECC f/ Dell, 8GB (2x4GB), SODIMM, 1066MHz
19 specifications	A Kingston Technology 4GB, DDR3, 1066MHz, ECC f/ Dell View product	B Kingston Technology 8GB (2x4GB), SODIMM, 1066MHz View product
Features3 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	2 x 4 GB
Internal memory typeDiffers	DDR3	DRAM
Memory form factorKnown for one	204-pin SO-DIMM	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
CAS latency	7	7
Memory bus	64 bit	64 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltage	1.5 V	1.5 V
Module configuration	512M X 64	512M X 64
Memory type	DDR3	DDR3
Lead plating	Gold	Gold
Other features3 differ
CompatibilityDiffers	A2038272 (DELL); A2058521 (DELL); A2884835 (DELL); A3198148 (DELL); A3414617 (DELL); A3583288 (DELL); A3721488 (DELL); A3721489 (DELL); A3721509 (DELL); A3721510 (DELL); A3721516 (DELL); A3761099 (DELL); A3761100 (DELL); A3761102 (DELL); A5460570 (DELL)	MC016G/A (Apple); MC557G/A (Apple)
Bus clock rate	1066 MHz	1066 MHz
Error indication	No	No
Form factor	204-pin SODIMM	204-pin SODIMM
Internal memoryDiffers	4096 MB	8192 MB
Memory layoutDiffers	1 x 4096 MB	2 x 4096 MB
Chips organisationKnown for one	Unknown — not stated by the source	X8

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.