Lenovo 43W8306 memory module vs Lenovo 46C7522 memory module

Comparison of 43W8306, 46C7522

8 specifications	A Lenovo 43W8306 memory module Model 43W8306 View product	B Lenovo 46C7522 memory module Model 46C7522 View product
Features1 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 4 GB
Internal memory type	DDR2	DDR2
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	—Unknown — not stated by the source	Yes
CAS latencyKnown for one	—Unknown — not stated by the source	5
Memory clock speed	667 MHz	667 MHz

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.