Elpida 4GB 2 x 2GB PC3-10600U DDR3 1333 Non-ECC Unbuffered Desktop Memory Kit Manufacturer: Elpida 240D34G358 Memory Kit Memory Type: 240-Pin DDR3 SDRAM Capacity: 4GB 2 x 2GB Bus Type: PC3-10600 1333Mhz Voltage: 1.5