Upgrading RAM in laptop. need help!

#1 Posted by XxXFaTTxMaTTXxX (1482 posts) -

Hey everyone, I'm looking to upgrade my Sony VAIO VPC-F1290X from to 4gb to 8gb of RAM. I was wondering if these (G.SKILL) would be compatible with my laptop. Are they a good choice? Also, does anyone know anything about why prices have increased?

System Specs (RAM):

Memory slots:

Total memory slots 2

Used memory slots 2

Free memory slots 0

Memory

Type: DDR3

Size: 4096 MBytes

Channels # Dual

DRAM Frequency: 664.9 MHz

CAS# Latency (CL): 9 clocks

RAS# to CAS# Delay (tRCD): 9 clocks

RAS# Precharge (tRP): 9 clocks

Cycle Time (tRAS): 24 clocks

Command Rate (CR): 1T