CORSAIR XMS 8GB (2 x 4GB) SDRAM DDR3 1600 (PC3 12800) Desktop Memory $27.99

Newegg.com has the CORSAIR XMS 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory for $24.99 after coupon $20 rebate with Free Shipping.