Model: DDR3 1600MHZ Capacity: 4GB Memory Speed: 1600MHZ PC3-12800 Type: DDR3 SDRAM Form Factor: DIMM 204-pin Features: Unbuffered Upgrade Type: Generic CAS Latency: CL11 Supply Voltage: 1.35V Chips Brand: HY, SM, Elp,MT Ram Brand: Supply all kinds of brand rams Compatibility: All brand motherboard desktop Data Integrity Check: Non-ECC Chips Organization: 512*8-bits Warranty: Limited lifetime warranty