PNY XLR8 Memory 32 GB(4 x 8GB) DDR3 2133MHz (PC3 17000) 240-pin CAS CL 11 Desktop Memory Kit-MD32768K4D3-2133-X11 Capacity: 32 GB : 4 x 8 GB Memory Type: DDR3 SDRAM - DIMM 240-pin Upgrade Type: Generic Overclocked-Boasting lightening -fast speeds of 2133MHz and low latencies to meet the demanding needs of hard core gamers and enthusiasts Custom heat sink featuring cooling fins for superior heat extraction for enhanced reliability and endurance for high stress gaming and overclock conditions Channel: Quad Timing/Tested Latency: 11-11-11-28 Latency: CAS 11 Speed: 2133 MHz Type: DDR3 Desktop Lifetime Warranty & Free 24-7 Technical Support