They are designed & engineered to support the ever more rigorous requirements of enthusiasts & professionals The Premier Series 1600 Mbps DDR3 240-Pin (Unbuffered DIMM) are standard pin design modules operating at 15 volts with transmission bandwidth up to 128 Gbsecond (PC3 12800) The memory modules implement cutting edge technology that enables remarkable memory density on a single module All the modules are in accordance with JEDEC (Joint Electron Device Engineering Council JEDEC Solid State Technology Association) & Ro HS design & production standards simultaneously ensuring compatibility with all the computer systems adopting the same standard & ecologically sound product ADATA Series memory modules come with lifetime warranty & service providing remarkable protection Fantastic Performance value Solutions Meets Rigorous Standards & Specifications Memory Memory Type DDR3 Memory Speed 1600 MHz Memory Size (Total) 8192 MB (1 module (s) x 8192 MB ) Pin Configuration 240 Memory Package DIMM Bus IO Configuration Unbuffered Error Correction Non ECC CAS Latency CL11 Electrical Voltage 15 V Physical Form Factor 240-Pin DIMM Module