G.SKILL F3-1600C9D-8GRSL, 8GB (2 x 4GB), 204-Pin DDR3 SO-DIMM, Speed DDR3L 1600 (PC3L 12800), CAS Latency 9, 1.35V, Unbuffered, Dual Channel Kit. The classic Ripjaws is reborn as the fastest SO-DIMM in the world! With kits available at speeds of up to DDR3-2133MHz and 1.35V of DDR3L low voltage support for the latest generation of Haswell CPUs.