Expansion / ConnectivityCompatible Slots: 1 x memory - DIMM 240-pinGeneralCapacity: 4 GBUpgrade Type: GenericMemoryChips Organization: 256 x 8Data Integrity Check: Non-ECCFeatures: Dual rank, eight banks, unbufferedForm Factor: DIMM 240-pinLatency Timings: CL9 (9-9-9)Module Configuration: 512 x 64Speed: 1333 MHz (PC3-10600)Technology: DDR3 SDRAMType: DRAMVoltage: 1.5 V