2309409-4 is a DDR4 SO DIMM socket designed for memory module connections in PCB-mounted applications. This 260-position connector features a 5.2 mm stack height, 0.5 mm centerline pitch, and right angle module orientation with cam-in insertion style. The socket includes copper alloy contacts with gold plating in the mating area, a maximum contact current rating of 0.5 A, and operates at 1.2 V DRAM voltage. Constructed with high temperature thermoplastic housing in black, it offers surface mount termination with solder peg retention and operates within a temperature range of -55°C to 85°C. This socket is ideal for compact computing devices, laptops, and embedded systems requiring reliable DDR4 memory connectivity with low profile design.