DIMM,4G,1333,2RX8,8,240

Dell 09J5WF-RFB is a reconditioned memory module for adding memory to a compatible computer. The listing identifies it as a 4 GB, 1333-speed DIMM with 2RX8 organization and a 240-pin form factor.

This is a used, reconditioned module. Its listing identifies the exact Dell part number as 09J5WF-RFB, so the description refers to that specific part rather than a neighbouring memory variant.