Has been in storage for years.
10Gtek 10Gb SFP+ DAC Twinax Cable, Passive, Compatible with HP ProCurve J9281B, HP Aruba J9281D, 1-Meter(3.3ft)
10Gtek 10Gb SFP+ DAC Twinax Cable, Passive, Compatible with HP ProCurve J9283B, HP Aruba J9283D, 3-Meter(9.8ft)
HP ProCurve 620 Redundant/External Power Supply RPS//EPS HP J8696A
H!Fiber.com for HPE 10G SFP+ DAC,10GBASE-CU SFP+ Direct Attach Copper passive twinax cable (J9281B, Aruba J9281D) supports HPE ProCurve switch, 30AWG, 1 meter(3.3ft)
BothWay Switch - serial
Vintage HP Parallel / Mac Serial Printer Cable for Deskjet 34 (C2660-80001)