Newegg.com has the GSkill 4GB 204-Pin DDR3 SO-DIMM DDR3 1066 (PC3 8500) Laptop Memory Model F3-8500CL7S-4GBSQ for a good price.

Item has a rating of 5/5 from 90 reviews

Google Products Price : $26.99 Shipped

1. Newegg Price : $24.99 Shipped
2. Use coupon code EMCKBKH35 to get $5 off
Final Price : $19.99 Shipped