Kingston HyperX 16GB (4 x 4GB) SDRAM DDR3 1600 (PC3 12800) Desktop Memory $79.99

Newegg.com has the Kingston HyperX 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory for $79.99 with Free Shipping