HP 2GB PC3-12800U vs HP 4GB PC3-12800

Comparison of 2GB PC3-12800U, 4GB PC3-12800

10 specifications	A HP 2GB PC3-12800UView product	B HP 4GB PC3-12800View product
Features2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Known for one	—Unknown — not stated by the source	1 x 4 GB
ECCKnown for one	—Unknown — not stated by the source	Yes
Buffered memory typeKnown for one	—Unknown — not stated by the source	Registered (buffered)
Module configurationDiffers	256M x 8	512M x 4
CAS latencyKnown for one	11	—Unknown — not stated by the source

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.