---
product_id: 19982827
title: "1000Base-SX"
brand: "10gtek"
price: "€ 20.74"
currency: EUR
in_stock: null
reviews_count: 13
category: "10 Gtek"
url: https://www.desertcart.hr/products/19982827-1000base-sx
store_origin: HR
region: Croatia
---

# 1.25G high-speed data rate Up to 550m multimode fiber reach Duplex LC connector for stable fiber link 1000Base-SX

**Brand:** 10gtek
**Price:** € 20.74
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate your fiber game — connect faster, smarter, and worry-free!

## Quick Answers

- **What is this?** 1000Base-SX by 10gtek
- **How much does it cost?** € 20.74 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/19982827-1000base-sx)

## 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

- • **Robust & Reliable:** IP67-rated durability and 0-70°C operation ensure your network stays strong in any environment.
- • **Plug & Play Simplicity:** Hot-swappable design with ESD protection means zero downtime and effortless installation.
- • **Universal Compatibility:** Works flawlessly with Cisco, Meraki, Ubiquiti, Fortinet, TP-Link, and more — future-proof your infrastructure.
- • **Seamless Gigabit Upgrade:** Boost your network with blazing 1.25G speeds and ultra-low latency for next-level performance.
- • **Real-Time Health Monitoring:** Dynamic DDM tech keeps you ahead by tracking signal status and preventing network hiccups.

## Overview

The 10GTEK 1.25G SFP 1000Base-SX Multimode LC Fiber Transceiver Module delivers reliable gigabit Ethernet connectivity over multimode fiber up to 550 meters. Compatible with a wide range of major brands including Cisco, Meraki, and Ubiquiti, it features plug-and-play installation, real-time DDM monitoring, and robust operation across 0-70°C, making it an essential upgrade for professional-grade network performance.

## Description

desertcart.com: 10GTEK 1.25G SFP 1000Base-SX Multimode LC Fiber Transceiver Module, 850nm MMF, 550m, for Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki, Fortinet, Ubiquiti UniFi, Mikrotik, Fortinet, TP-Link, Netgear : Electronics

Review: Latency and Internet Speeds Improved! - Great purchase! Very happy with the performance of this module. Has somehow improved latency with stability connecting to my router with no heat issues and an increase of bandwidth in my internet connection. A cheap upgrade with compatibility extending further than Cisco branded equipment as I am currently using a generic POE switch with noticeable improvements over my previous patched setup.
Review: Great quality and compatible with Ubiquiti UDM Pro SE - Item works as expected without issue with my Ubiquiti UDM Pro SE. Great customer service from the company also. Highly recommend.

## Features

- 1000BASE-SX SFP to LC Optical Gigabit Ethernet Fiber transceiver module, 1.25G Multimode SFP(supports OM1/OM2/OM3/OM4 fiber cables), Duplex LC connector, 850nm, DDM, up to 550m.
- [Wide Compatibility] Compatible with Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki MA-SFP-1GB-SX, Ubiquiti UniFi UF-MM-1G, Mikrotik S-85DLC05D, Fortinet, D-Link, Supermicro, Netgear AGM731F, TP-Link TL-SM311LM, Broadcom and Other Open Switches. Widely support Gigabit Ethernet, Fiber Channel, Other Optical Links and other devices.
- [Easy to Use] Easy installation, plug and play, fully hot-pluggable with ESD protection. Widely used in fiber switches, routers, NIC, server or other fiber optic equipments with 1Gbps SFP ports. SFP MSA Compliant, IEEE 802.3ab Compliant.
- [Superior DDM Monitoring] DDM allows you to monitor the critical information concerning the status of the transmitted and received signals of the transceivers in real-time to find out some potential problems. Operating Temperature: 0°C to 70°C.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00U77VPX2 |
| Actuator Type | DOM |
| Best Sellers Rank | #4 in Computer Networking Transceivers |
| Brand | 10Gtek |
| Circuit Type | 2-way |
| Color | x1 |
| Compatible Devices | Cisco, Meraki, Ubiquiti UniFi, Mikrotik, Fortinet, TP-Link, Netgear, Other Open Switches |
| Connectivity Protocol | Gigabit Ethernet, Fiber Channel |
| Connector Type | Duplex Lc |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | App |
| Controller Type | Ring |
| Current Rating | 1.25 Amps |
| Date First Available | March 3, 2015 |
| International Protection Rating | IP67 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.32 ounces |
| Item dimensions L x W x H | 0.79 x 0.79 inches |
| Item model number | ASF85-24-X2-Cisco2 |
| Manufacturer | 10Gtek |
| Mounting Type | Plug-In Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 3.3 Volts (DC) |
| Operation Mode | Plug |
| Terminal | Rj45 |
| UPC | 711811487118 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 70 Degrees Celsius |

## Product Details

- **Brand:** 10Gtek
- **Connector Type:** Duplex Lc
- **Contact Type:** Normally Open
- **Current Rating:** 1.25 Amps
- **Item dimensions L x W x H:** 0.79 x 0.79 inches
- **Material:** Polycarbonate
- **Operating Voltage:** 3.3 Volts (DC)
- **Operation Mode:** Plug
- **Switch Type:** Temperature Switch
- **Terminal:** Rj45

## Images

![1000Base-SX - Image 1](https://m.media-amazon.com/images/I/71uA1pAjucL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Latency and Internet Speeds Improved!
*by A***! on December 21, 2025*

Great purchase! Very happy with the performance of this module. Has somehow improved latency with stability connecting to my router with no heat issues and an increase of bandwidth in my internet connection. A cheap upgrade with compatibility extending further than Cisco branded equipment as I am currently using a generic POE switch with noticeable improvements over my previous patched setup.

### ⭐⭐⭐⭐⭐ Great quality and compatible with Ubiquiti UDM Pro SE
*by G***N on January 12, 2026*

Item works as expected without issue with my Ubiquiti UDM Pro SE. Great customer service from the company also. Highly recommend.

### ⭐⭐⭐⭐⭐ Useful module at a good price
*by G***N on December 4, 2025*

This sfp+ module is a good choice for people buying the Gigaplus switches and numerous small switches and routers.

## Frequently Bought Together

- 10GTEK 1.25G SFP 1000Base-SX Multimode LC Fiber Transceiver Module, 850nm MMF, 550m, for Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki, Fortinet, Ubiquiti UniFi, Mikrotik, Fortinet, TP-Link, Netgear
- 10GTEK 1.25G SFP Transceiver 1000Base-LX, 1310nm SMF SingleMode Fiber Optic Module, up to 10 km, for Cisco GLC-LH-SMD, Meraki MA-SFP-1GB-LX10, Ubiquiti UniFi, Fortinet, Mikrotik, TP-Link TL-SM311LS
- SFP to SFP Fiber Media Converter - 2 x Standard Open SFP Slots - Supports Gigabit, Fast Ethernet and 2.5G SFP miniGBIC modules - Fiber to Fiber Converter - Without Transceivers

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**Shop now:** [https://www.desertcart.hr/products/19982827-1000base-sx](https://www.desertcart.hr/products/19982827-1000base-sx)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-20*