---
product_id: 376522357
title: "1.25G SFP 1000Base-SX, 850nm MMF, up to 550 Meters, for Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki MA-SFP-1GB-SX, Ubiquiti UF-MM-1G, Mikrotik S-85DLC05D and More, Pack of 2"
brand: "10gtek"
price: "R952"
currency: ZAR
in_stock: true
reviews_count: 5
category: "10 Gtek"
url: https://www.desertcart.co.za/products/376522357-1-25g-sfp-1000base-sx-850nm-mmf-up-to-550
store_origin: ZA
region: South Africa
---

# 1.25Gbps blazing speed 850nm wavelength precision 550m extended reach 1.25G SFP 1000Base-SX, 850nm MMF, up to 550 Meters, for Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki MA-SFP-1GB-SX, Ubiquiti UF-MM-1G, Mikrotik S-85DLC05D and More, Pack of 2

**Brand:** 10gtek
**Price:** R952
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your network game with speed and reach that keep you ahead!

## Quick Answers

- **What is this?** 1.25G SFP 1000Base-SX, 850nm MMF, up to 550 Meters, for Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki MA-SFP-1GB-SX, Ubiquiti UF-MM-1G, Mikrotik S-85DLC05D and More, Pack of 2 by 10gtek
- **How much does it cost?** R952 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/376522357-1-25g-sfp-1000base-sx-850nm-mmf-up-to-550)

## Best For

- 10gtek enthusiasts

## Why This Product

- Trusted 10gtek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Extended 550m Reach:** Cover long distances effortlessly without signal degradation—perfect for sprawling offices or data centers.
- • **Durable & Smart Monitoring:** Built-in DDM/DOM support and extended temperature range keep your network stable and monitored in real-time.
- • **Seamless 1.25Gbps Data Flow:** Experience ultra-reliable gigabit speeds for your high-demand network environments.
- • **Plug & Play with Industry Giants:** Broad compatibility with Cisco, Meraki, Ubiquiti, Mikrotik, and more means zero hassle integration.
- • **850nm Multi-Mode Fiber Compatibility:** Optimized wavelength ensures crystal-clear data transmission over OM3 fiber.

## Overview

The 10Gtek 1.25G SFP transceiver delivers reliable 1Gbps data transfer over 850nm wavelength multi-mode fiber with an impressive 550-meter reach. Compatible with top networking brands like Cisco, Meraki, and Ubiquiti, it supports dual LC connectors and advanced monitoring features, making it an essential upgrade for professional-grade network infrastructure.

## Description

For Cisco P/N: GLC-SX-MMD/ GLC-SX-MM/ SFP-GE-S 1000BASE-SX SFP transceiver module for MMF, 850-nm wavelength, extended operating temperature range and DOM support, dual LC/PC connector Wave Length: 850nm Data Rate: 1Gb/s Reach: 550m Fiber Type: MMF TX Power (dBm): -8-4 Rx Sens. (dBm): -18 DDM/DOM: Yes Temp. Range: 070 Application Catalyst Express 500 Metro Ethernet Catalyst 35XX Switches Catalyst 36XX Switches Catalyst 37XX Switches Catalyst 38XX Switches Industrial Ethernet and Smart Grid Catalyst 4500/4500X/4900 Switches Catalyst 6500/6800 Series Switches Data Center and Blade Switching Router Appliance Wireless LAN Controller.

Review: Funiconó sin problemas... buen producto y lo mejor: barato!
Review: producto totalmente compatible con los equipos cisco

## Features

- Data Rate: 1.25Gb/s
- Wavelength: 850-nm; Reach: up to 550 meters
- Fiber Type: Dual LC OM3 multi-mode fiber
- Wide Compatibility - for Cisco, Meraki, Fortinet, Ubiquiti, Mikrotik, D-Link, Supermicro, TP-Link, Broadcom, Linksys, TP-Link TL-SM311LM and Other Open Switches.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08BP3JDBV |
| Best Sellers Rank | #66,795 in Computers ( See Top 100 in Computers ) #121 in Network Transceivers |
| Item model number | ASF85-24-X2(Cisco-2pcs) |
| Manufacturer | 10Gtek |
| Package Dimensions | 9.3 x 5.1 x 1.6 cm; 65 g |

## Product Details

- **Brand:** 10Gtek
- **Connector type:** Sfp
- **Contact type:** Normally Open
- **Operation mode:** automatic
- **Switch type:** Push Button

## Images

![1.25G SFP 1000Base-SX, 850nm MMF, up to 550 Meters, for Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki MA-SFP-1GB-SX, Ubiquiti UF-MM-1G, Mikrotik S-85DLC05D and More, Pack of 2 - Image 1](https://m.media-amazon.com/images/I/817TG5J69OL.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by L***O on 22 April 2025*

Funiconó sin problemas... buen producto y lo mejor: barato!

### ⭐⭐⭐⭐⭐ Review
*by R***Z on 26 January 2022*

producto totalmente compatible con los equipos cisco

### ⭐⭐⭐⭐⭐ Review
*by M***O on 9 January 2026*

Devo dire che i Transceiver abbinati alla fibra che ho acquistato sono di ottima fattura e funzionalità

## Frequently Bought Together

- 10Gtek 1.25G SFP 1000Base-SX Multimode LC Fiber Transceiver, 850nm MMF, 550m, for Cisco GLC-SX-MMD/SFP-GE-S, Meraki MA-SFP-1GB-SX, Fortinet, Ubiquiti UniFi UF-MM-1G, Mikrotik, TP-Link, Pack of 2
- 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
- TP-Link MC220L | Gigabit SFP to RJ45 Fiber Media Converter | Fiber to Ethernet Converter | Plug and Play | Durable Metal Casing | Versatile Compatibility | Auto-Negotiation | UL Certified

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**Shop now:** [https://www.desertcart.co.za/products/376522357-1-25g-sfp-1000base-sx-850nm-mmf-up-to-550](https://www.desertcart.co.za/products/376522357-1-25g-sfp-1000base-sx-850nm-mmf-up-to-550)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-18*