Cheap And Discounts Del-I/25g fiber module sfp/SFP28-25G-SR-85C/FTLF8536P4BNL-E5/B1 0HHHHC/019-078-056/850NM 25G switch module Wholesale. Buy Directly From Merchant Shop1102374237 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.