I have four sticks of DDR3 1600Mhz. Three of them are Corsair and came in a matched set which I used to use on a triple channel system (x58) then later for years, I ran all four of them in an H77 system at 1.65v. Never a hiccup and all pass Memtest86. Asking $35 shipped to CONUS.
http://imgur.com/b0evqMt
http://imgur.com/IqmD3yK
http://imgur.com/ngeEeqf
http://imgur.com/b0evqMt
http://imgur.com/IqmD3yK
http://imgur.com/ngeEeqf