 "Corsair Vengeance - DDR3 8 GB : 2 x 4 DIMM 240-pin" " Corsair 240-pin CMZ8GX3M2A1866C9 System Memory (RAM) CDWG.com
"Vengeance Low Profile heat spreaders have a reduced height of 1.03". They're designed for high-performance systems with extra-large CPU coolers, small form factor system builds, or any other space-constrained application where you need high-performance memory but standard Vengeance modules might not fit." 
 " Corsair Vengeance memory - 4 GB DIMM 240-pin DDR3 Series "@en, "Corsair 240-pin"@en Prices CNET"@en