Axiom 4GB DDR3-1066 UDIMM for Dell # A2984884, A2984885, A3414610, A3414615 - 4 GB - DDR3 SDRAM - 1066 MHz DDR3-1066/PC3-8500 - Non-ECC - Unbuffered - 240-pin - DIMM

Up to 1066 MHz speed is enough to run heavy software smoothly while surfing web with dozens of tabs open UDIMM 4 GB of memory to refine your computers performance 240-pin-pin DDR3 SDRAM operates at an effective bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation