This listing is for ONE Riverbed / Silicom PEG4IL Quad 10/100/1000 Ethernet Adapter for Shark Appliance. Just pulled from tested working surplus. Comes asshown and described. We'll give it our 90 day No DOA warranty. The winning buyer pays $5.90 S/H/INS in the US (Lower 48 States) via USPS Priority mail.It ships the next business daywith tracking number provided. offer with confidence at esoteric specialties!