Silicon Power X-Power 8GB (2x4GB) DDR3 2133 MHz (PC3 17000) Desktop Memory SP008GXLYU213NDA 8GB (2x4GB) DDR3 for AMD and Intel Dual Channel Processors Support Intel XMP (Extreme Memory Profile) 240-pin, unbuffered dual in-line memory module (UDIMM) Speed: 2133 MHz Timing 11-12-11-30 Lifetime warranty