Free Express Shipping! QNAP QSFP28 100GbE Break Out Four SPF28 25GbE Twinaxial Direct Attach Cable (4.9') Compatible with Select QNAP NAS Units, Supports 100 and 25 Gigabit Ethernet, 1 x 100GbE QSFP28 Interface, 4 x 25GbE SFP28 Interfaces