Backed by 10Gtek 30 Days Free-returned, 3-Year Free Warranty and Lifetime Technology Support. 10Gtek is a manufacturer of Direct Attach Copper Cable, customized sevice also is available. 10Gtek's automatic assembly line, assures the consistency of manufacture under the process of laser cutting, aluminum shielding stripping, isolator stripping, automatic reshaping, automatic soldering and ultraviolet ray curing. Each DAC cables take the TDR & VNA measurement, guaranteeing passing the signal integrity test. Compatible with Cisco, Fortinet, Ubiquiti, Netgear, D-link, Supermicro, Mikrotik, ZTE, Quanta, Solarflare, PaloAlto, F5, etc devices. SFP+ Cable can connect switch, router, server, NIC, or other fiber optic equipments with SFP+ ports for Network Attached Storage, Storage Area Network, and High Performance Computing. 10GbE SFP+ to SFP+ DAC direct attach copper cable, 10GBase-CU 2-pair differential twinax cable, Passive, 3 Meter(10ft).