100% compatibility with Cisco SFP-H10GB-CU3M guaranteed Star Tech. com lifetime warranty on all Star Tech. com SFP cables Uses a cost-effective copper cabling alternative to fiber - SFP+ DAC Twinax Cable length is 3 meter (9. 8 feet) SFP+ (Mini-GBIC) cable meets or exceeds OEM specifications SFP+ direct-attach copper cable complies with MSA industry standards Passive DAC copper cable has low power consumption: < 0. 05 W- Hot-swappable with fiber optic SFP cables and other copper DACs