PNY Performance 8GB DDR3 1600MHz (PC3-12800) CL11 Desktop Memory - MD8GSD31600NHS Memory Type: DDR3 PC Type: Desktop Frequency Speed (JEDEC): 1600MHz (PC3-12800) Latency (CAS): CL11 Voltage: 1.5V XMP Support: No Speed Compatibility: Compatible with 1600MHz, 1333MHz