KNIGHT 16GB kit DDR3 1333 MHz PC3 10600 (2X8GB) LONGDIMM DESKTOP MEMORY Capacity: 16GB Kit, 2X8GB Speed: PC3-10600, DDR3 1333MHz; Form Factor: 240 pin, Longdimm for Desktop Non ECC, Non Registered, Dual Channel support, Fully tested Warranty: Manufacturer Limited Lifetime Free Shipping (USPS First Class Mail with delivery confirmation #)