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Small copper SFP transceiver with RJ-45 port, matte metal body

AddOn

AddOn FCLF-8520-3-AO server accessory 1000Base-TX RJ-45

SKU CH-GX91-XNWKY MPN FCLF-8520-3-AO

Hot-swappable SFP transceiver adds a 1000Base-TX RJ-45 copper port, MSA compliant, 68 g

  • TAA compliant for regulated procurement needs
  • Hot-swappable SFP transceiver enables live network changes
  • 10/100/1000Base-TX RJ-45 supports gigabit copper links
  • MSA compliant form factor fits standard switch ports
  • Lifetime limited warranty included with purchase

Copper SFP Transceiver

The AddOn FCLF-8520-3-AO is a copper SFP transceiver that provides a single RJ-45 port for 1000Base-TX Gigabit Ethernet connectivity. It conforms to the Multi-Source Agreement standard and is TAA compliant for government procurement. The module is hot-swappable and carries a lifetime limited warranty.

Network Admins Needing Copper Links

This module suits administrators who must connect switches, routers or servers over existing Cat5e or Cat6 copper cabling at distances up to 100 metres. It is not intended for fibre-optic runs, for 10 Gigabit speeds, or for direct-attach cable applications.

RJ-45 1000Base-TX Interface

The decisive specification is the single RJ-45 port operating at 10/100/1000 Mbps over twisted-pair copper. Verify that the host equipment accepts MSA-compliant SFP transceivers and that the link budget matches a copper 1000Base-TX connection before purchase.

How it compares

Measured against everything we stock in Drive Cages & Server Add-Ons, at today’s prices. Recalculated every night.

Price $54.99
Cheaper than about 60% of the 1,119 comparable items (median $74.99).

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Size & build
Shipping weight0.20 kg
Package size121 × 70 × 30 mm

Questions about this item

How do I install the FCLF-8520-3-AO SFP transceiver and what step is often missed?

Insert the module into a compatible SFP slot until it clicks, then seat the RJ-45 cable firmly; the step often missed is removing the dust plugs from both the module and cable before insertion.

What maintenance or replacement will the FCLF-8520-3-AO need over time?

The copper RJ-45 interface requires no scheduled maintenance; replacement is only needed if the transceiver fails or if the network upgrades beyond 1000Base-TX speeds.

What limit appears first on the FCLF-8520-3-AO under sustained heavy traffic?

The 1000Base-TX Gigabit Ethernet bandwidth ceiling is the first limit reached during sustained high-throughput use.

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