Hello people I'm upgrading my ram from 4gb to 8gb but I can't decided between these two.
Crucial 8GB (2x 4GB) 204-Pin DDR3 1333 PC3 10600 Laptop Memory CT2KIT51264BF1339 CAS9 It is dual voltage and can operate at 1.35V or 1.5V
OR
PNY 8GB (2 x 4GB) DDR3 SO-DIMM DDR3-1333 (PC3-10666) CAS 7 It can only operate at 1.5V
Crucial 8GB (2x 4GB) 204-Pin DDR3 1333 PC3 10600 Laptop Memory CT2KIT51264BF1339 CAS9 It is dual voltage and can operate at 1.35V or 1.5V
OR
PNY 8GB (2 x 4GB) DDR3 SO-DIMM DDR3-1333 (PC3-10666) CAS 7 It can only operate at 1.5V