AMD Radeon Memory R5 Value Series 4GB 240-pin CL11 1.5V Unbuffered RoHS 4 R534G1601U1-G DDR3 1600 (PC3 12800) Timing 11-11-11-28 CAS Latency 11 Voltage 1.5V Compatible with AMD and Intel processors Low-profile, high-purity aluminum heat spreader Lifetime warranty and free technical support Supports up to 6GB of AMD Radeon RAM Disk freeware version