A-DATA 4GB (2 x 2GB) SDRAM DDR3 1333 (PC3 10666) Dual Memory $39.99

Newegg.com has the A-DATA 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Dual Channel Kit Desktop Memory for $39.99 after $10 rebate plus $0.99 Shipping.