PNY XLR8 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1866MHz (PC3-14900) Desktop Memory (MD16384KD3-1866-K-X10) Memory Type: DDR3 PC Type: desktop Frequency speed (JEDEC): 1866MHz (pc3-14900) Latency (CAS): 10 Speed compatibility: 1866MHz, 1600MHz, 1333MHz