---
product_id: 42048117
title: "Finisar FCLF-8521-3 1000BASE-T SFP TRANSCEIVERROHS Compliant"
brand: "finisar"
price: "€ 64.92"
currency: EUR
in_stock: true
reviews_count: 1
url: https://www.desertcart.nl/products/42048117-finisar-fclf-8521-3-1000base-t-sfp-transceiverrohs-compliant
store_origin: NL
region: Netherlands
---

# 1.25 Gb/s speed 10/100/1000BASE-T Extended temp range Finisar FCLF-8521-3 1000BASE-T SFP TRANSCEIVERROHS Compliant

**Brand:** finisar
**Price:** € 64.92
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Network Game!

## Quick Answers

- **What is this?** Finisar FCLF-8521-3 1000BASE-T SFP TRANSCEIVERROHS Compliant by finisar
- **How much does it cost?** € 64.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/42048117-finisar-fclf-8521-3-1000base-t-sfp-transceiverrohs-compliant)

## 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

- • **Built to Last:** Enjoy peace of mind with a lifetime warranty on this durable transceiver.
- • **Eco-Friendly Choice:** RoHS compliant and lead-free, making it a responsible choice for your tech needs.
- • **Versatile Compatibility:** Supports 10/100/1000BASE-T Copper connections with a compact RJ-45 connector.
- • **Compact Design, Big Impact:** Measuring just 3.7 x 2.7 x 0.6 inches, it fits perfectly in any setup.
- • **Unleash Lightning-Fast Connectivity:** Experience bi-directional links up to 1.25 Gb/s for seamless data transfer.

## Overview

The Finisar FCLF-8521-3 is a high-performance SFP transceiver module designed for reliable and fast data transmission. With support for bi-directional links up to 1.25 Gb/s and compatibility with 10/100/1000BASE-T Copper connections, this compact and eco-friendly device is perfect for modern networking needs. Plus, it comes with a lifetime warranty, ensuring long-term reliability.

## Description

FinisarFCLF-8521-3 1000BASE-T SFP TRANSCEIVERROHS Compliant

## Features

- Genuine Finisar FCLF-8521-3 SFP Transceiver Module
- Up to 1.25 Gb/s bi-directional links
- 10/100/1000BASE-T Copper, Compact RJ-45 Connector
- Extended case temperature range, RoHS Compliant and Lead-Free
- LIFETIME WARRANTY

## Technical Specifications

| Specification | Value |
|---------------|-------|
| National Stock Number | 7035-01-619-9682 |
| Brand | Finisar |
| Item model number | FCLF-8521-3 |
| Item Weight | 0.8 ounces |
| Product Dimensions | 3.7 x 2.7 x 0.6 inches |
| Item Dimensions  LxWxH | 3.7 x 2.7 x 0.6 inches |
| Manufacturer | FINISAR CORPORATION |
| ASIN | B00HKH9TY4 |
| National Stock Number | 7035-01-619-9682 |
| Is Discontinued By Manufacturer | No |
| Date First Available | June 1, 2012 |

## Images

![Finisar FCLF-8521-3 1000BASE-T SFP TRANSCEIVERROHS Compliant - Image 1](https://m.media-amazon.com/images/I/71zbs6D6dCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy plug and play
*by G***E on May 1, 2021*

Plug and play with engenius poe switch. No interface errors and stays cool and hasn't overheated

## Frequently Bought Together

- Finisar FCLF-8521-3 1000BASE-T SFP TRANSCEIVERROHS Compliant
- FLYPROFiber- LC to LC Fiber Patch Cable OM3 2M/7ft, Length Options: 0.2m-200m, 10GB Multimode Duplex, 50/125um Fiber Optic Cable Cord LSZH-2Meter(7ft)
- 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.nl/products/42048117-finisar-fclf-8521-3-1000base-t-sfp-transceiverrohs-compliant](https://www.desertcart.nl/products/42048117-finisar-fclf-8521-3-1000base-t-sfp-transceiverrohs-compliant)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-25*