Compatible 593915-S21 - 16GB DDR3 SDRAM 1066Mhz 240PIN Dimm Memory Module - Lifetime Warranty
16GB DDR3 1066MHZ 4RX4 240-PIN
Technical Specifications:
Memory Size: 16 GBMemory Technology: DDR3 SDRAMMemory Speed: 1066 MHzNumber of Pins: 240-pinForm Factor: DIMM