Introducing the Brocade Compatible 10GBASE-ER DWDM SFP+ 1539.77nm 40km w/DOM Single Mode Duplex LC ITU CH 47 TurboX | 10G-SFPP-ZRD-1539-77-40K. As an Authorised Turbo X Partner, we offer the best price and excellent service. Our dedicated team is here to find your perfect solution. Request a quote or contact us now for prompt assistance.