Brand: Finisar

Model: FCLF-8521-3

Type: SFP Copper Transceiver Module

Interface: 1000BASE-T

Connector: RJ-45

Form Factor: SFP

Condition: Used, Tested Working

In the Box:

Finisar FCLF-8521-3 SFP Transceiver Module

Item Description

Finisar FCLF-8521-3 RJ-45 1000Base-T Active Copper SFP Transceiver Module Tested

The Finisar FCLF-8521-3 is a high-quality 1000BASE-T SFP copper transceiver module designed to provide reliable Gigabit Ethernet connectivity over standard RJ-45 copper cabling. It allows network devices with SFP ports—such as switches, routers, and servers—to connect using Cat5e or Cat6 Ethernet cables, eliminating the need for fiber infrastructure.

Please review all photos and details carefully before purchasing to ensure the item meets your requirements. Items are in good working condition unless otherwise stated. Photos are taken by the Recycle Technologies team; however, the item received may have a different serial number while maintaining the same specifications and components. Only items shown in the photos are included.

Need Help? Contact Us: We can be contacted at any time through messages for any questions, comments, or product inquiries. We typically respond within a few hours and are committed to ensuring you are completely satisfied with your purchase.

Warranty: All used products sold by Recycle Technologies Inc. are covered by a 14-day warranty. New items may be returned within 24 days of delivery if they remain unopened. Returns are also accepted if the item arrives damaged, defective, or dead on arrival (DOA). All returned items must be in their original packaging and condition to qualify for a full refund.

Shipping:Orders placed before 2:00 PM CST will be shipped the same business day. We ship via UPS, FedEx, or USPS. Same-day shipping does not apply to Bulk/Lot orders or holidays. For any shipping-related questions, please contact our customer support team via .