N280-20N-BK - Eaton Tripp Lite Series SFP+ 10GBASE-CU Passive Twinax Copper Cable, SFP-H10GB-CU50CM Compatible, Black, 20-in. (50.8 cm)

Direct attach cable - SFP+ (M) to SFP+ (M) - 0.5 m - twinaxial - black