The same as these ones Newegg listed: CORSAIR Vengeance 8GB (2 x 4GB) DDR3 1600 (PC3 12800) Desktop Memory-Newegg.com
Ran 16GB total (two kits with each kit having 2 x 4GB modules) in my Sandy Bridge desktop and kept them at stock the whole time over the past 2 years.
(Price drop) $50 USD...