 "Corsair XMS3 - DDR3 8 GB : 2 x 4 DIMM 240-pin" " Corsair 240-pin CMX8GX3M2A1600C9 System Memory (RAM) CDWG.com
"The XMS3 family is Corsair's mainstream line of performance DDR3 memory. These modules allow users to experience outstanding memory performance and stability." 
 "Corsair Vengeance LPX - DDR4 16 GB: 2 x 8 GB DIMM 288-pin" " Corsair 288-pin CMK16GX4M2A2400C16 System Memory (RAM) CDW.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." 