[Capacity] 32GB (4 x 8GB Module), Type: DDR3 UDIMM, Memory RAM for Desktop, PC [Speed & Spec] DDR3 1600MHz (PC3-12800), ECC type: Non ECC, unbuffered DIMM, Voltage:1.5V , Pin Count: 240 Pin [Compatibility] Compatible with Desktop Computers (not limited to): HP, HP Compaq, Dell, Gateway, Alienware, Lenovo, Intel, Supermicro, Acer, ASUS, Fujitsu, Panasonic, Sony, Toshiba, LG, Samsung, Synology, Gigabyte, MSI, ASRock, DFI, QNAP. [Caution] Before you make your purchase, please check your computer motherboard model/RAM model/RAM slot/RAM frequency/maximum compatible memory capacity. [Support] 5-Year warranty and instant online service