Cheap And Discounts Brocade 16GB SFP LR/57-0000089-01/LW 1310nm 10km/DCX 8510,6520,6510,6505 Single Module Optical Fiber Transceiver/16g LR 10km Wholesale. Buy Directly From Merchant Shop1102374237 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.