---
product_id: 335735686
title: "FCLF8521P2BTL 1000Base-T Copper SFP Transceiver"
brand: "finisar"
price: "NT$7742"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/335735686-fclf8521p2btl-1000base-t-copper-sfp-transceiver
store_origin: TW
region: Taiwan
---

# 1.25Gbps ultra-fast data Hot-pluggable for zero downtime Operates -40°C to +85°C FCLF8521P2BTL 1000Base-T Copper SFP Transceiver

**Brand:** finisar
**Price:** NT$7742
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your network game with Finisar’s powerhouse transceiver!

## Quick Answers

- **What is this?** FCLF8521P2BTL 1000Base-T Copper SFP Transceiver by finisar
- **How much does it cost?** NT$7742 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/335735686-fclf8521p2btl-1000base-t-copper-sfp-transceiver)

## Best For

- finisar enthusiasts

## Why This Product

- Trusted finisar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Power:** Hot-pluggable SFP footprint means effortless upgrades without interrupting your workflow.
- • **Built for Extremes:** Extended temperature range ensures rock-solid performance in any environment, from server rooms to harsh industrial sites.
- • **Blazing 1.25Gbps Speed:** Experience seamless, high-throughput connectivity that keeps your network ahead of the curve.
- • **Shielded for Stability:** Fully metallic enclosure minimizes EMI, delivering reliable, interference-free data transmission.
- • **Eco-Conscious & Compliant:** RoHS certified and lead-free, aligning your tech with sustainable, responsible standards.

## Overview

The Finisar FCLF8521P2BTL is a 1000Base-T Copper SFP transceiver delivering up to 1.25Gbps bi-directional data transfer. Designed for hot-pluggable convenience and extreme temperature resilience (-40°C to +85°C), it features a fully metallic enclosure to reduce EMI and is RoHS compliant and lead-free, making it a reliable, eco-friendly choice for professional-grade networking.

## Description

FCLF8521P2BTL 1000Base-T Copper SFP Transceiver

## Features

- Features: Up to 1.25Gb/s bi-directional data links Hot-pluggable SFP footprint Extended case temperature range (-40¡ãC to +85¡ãC ) Fully metallic enclosure for low EMI RoHS compliant and Lead Free Low
- Brand: Finisar
- Imported

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Finisar |
| Manufacturer | Finisar |
| Model | FCLF8521P2BTL |
| Model Year | 2014 |
| Product Dimensions | 0.25 x 0.25 x 0.25 cm; 22.68 g |
| Item model number | FCLF8521P2BTL |
| Colour Screen | No |
| Batteries Included | No |
| Batteries Required | No |
| Data Transfer Rate | 1250 Megabits Per Second |
| Does it contain liquid? | No |
| Includes Rechargeable Battery | No |
| Includes remote | No |
| Manufacturer | Finisar |
| Country of Origin | USA |
| Item Weight | 22.7 g |

## Images

![FCLF8521P2BTL 1000Base-T Copper SFP Transceiver - Image 1](https://m.media-amazon.com/images/I/51zeSlFtWAL.jpg)

## Frequently Bought Together

- FCLF8521P2BTL 1000Base-T Copper SFP Transceiver
- FLYPROFiber- LC to LC Fiber Patch Cable 1M/3ft, OM3 Multimode Fiber Optic Cable Cord, 10GB/40GB, Duplex, 50/125um, LSZH, Options: 0.2m-200m
- FLYPROFiber- 1M/3ft OS2 Single Mode LC to LC Fiber Patch Cable, SM Singlemode Duplex, SMF Fiber Optic Cable Cord, 1G/10GB, 9/125um, LSZH

---

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**Shop now:** [https://www.desertcart.tw/products/335735686-fclf8521p2btl-1000base-t-copper-sfp-transceiver](https://www.desertcart.tw/products/335735686-fclf8521p2btl-1000base-t-copper-sfp-transceiver)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-02-06*