--- product_id: 290960130 title: "Gigabit SFP module, 1000Base-SX Multi-mode Fiber Mini GBIC Plug and Play, LC/UPC interface, Up to 550/220m distance (TL-SM311LM)" brand: "tp-link" price: "HK$272" currency: HKD in_stock: true reviews_count: 5 category: "Tp Link" url: https://www.desertcart.hk/products/290960130-gigabit-sfp-module-1000base-sx-multi-mode-fiber-mini-gbic store_origin: HK region: Hong Kong --- # 1.25Gbps blazing data rate Up to 550m multi-mode fiber reach Plug & Play LC/UPC interface Gigabit SFP module, 1000Base-SX Multi-mode Fiber Mini GBIC Plug and Play, LC/UPC interface, Up to 550/220m distance (TL-SM311LM) **Brand:** tp-link **Price:** HK$272 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your network game with lightning-fast fiber connectivity! ## Quick Answers - **What is this?** Gigabit SFP module, 1000Base-SX Multi-mode Fiber Mini GBIC Plug and Play, LC/UPC interface, Up to 550/220m distance (TL-SM311LM) by tp-link - **How much does it cost?** HK$272 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/290960130-gigabit-sfp-module-1000base-sx-multi-mode-fiber-mini-gbic) ## Best For - tp-link enthusiasts ## Why This Product - Trusted tp-link brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Reliable:** Built to withstand up to 70°C with a protective dust plug to keep your connections pristine. - • **Extended Fiber Reach:** Cover up to 550 meters with multi-mode fiber—perfect for sprawling office setups. - • **Blazing Gigabit Speed:** Experience seamless 1.25Gbps data transfer for ultra-smooth network performance. - • **Effortless Integration:** Plug & Play design with LC/UPC interface ensures zero downtime and instant connectivity. - • **Universal Compatibility:** Works flawlessly with all TP-Link SFP ports including JetStream switches and media converters. ## Overview The TP-LINK TL-SM311LM is a high-performance Gigabit SFP module designed for multi-mode fiber networks. Supporting a 1.25Gbps data rate and distances up to 550 meters, it features a plug-and-play LC/UPC interface compatible with all TP-Link SFP ports. Ideal for professional environments demanding reliable, extended-range fiber connectivity with minimal setup. ## Description The Tl-Sm311 Series Fiber Module Cards Are Introduced For Extending Transfer Distance. Attached To Our Managed/Smart Switches, They Can Extend The Distance To Several Kilometers Even Tens Of Kilometers Which Can Basically Satisfy The Distance Requirement Of Lan. Users Can Choose Whether And Which Items To Use The Fiber Modules According To The Demand In Order To Lower Cost. Protocols Supported: Ieee 802.3Z Csma/Cd Tcp/Ip. Review: Works with SOTM SFP switch SN10g - Works great on SOTM SN10G SFP port switch. This is a 1G module. Have purchaed Finisar 1475 which is 10G bandwidth module however SOTM switch cannot support 10g.Users might want to tale note. Sound wise, clear as a whistle no issues so far as am using this TPLINK module daisy chain to another SOTM SN10G. With fibrepro 7" length LCLC os2 .You can buy the whole wide web of modules to try and narrow them down to the best sound for any audiophile given switch but I find that it is a waste of money and time.You are better off playing LPs.However for TIDAL streaming does works fine for me and have tested playing back and forth from a ripped to wave cds 44.1/16bit direct from cocktail x40 thru uab (sotm usb ultra onboard clock) and with Lenovo laptop also with Sotm txusb ultra, TIDAL, the tidal does sound slightly similar but take note though, the decay of the cymbals ended (faster)lesser last note shimmering decay effect. Softer no bite.No air surrounding the cymbals.No idea why?All psu are plixir balance elite .Amps are Belcanto ref500s to Mytek broolyn dac+ and cables kimber ks1021/ pk10 palladian /ks2036/8tc.SR fuaes amd bybees with shakti stones and shakti onlines.SR tranqua bases. Update 1 Now having bought 08 and no issues at all. Only for LC to LC fibres and OS single mode SM single mode. Do not use OM or MM multimode. Do not mix the IN and OUT of the module.Wise choice to go with same module maker/ model nbr. Review: working OK - Excellent ## Features - Multi-Mode MiniGBIC module, Supports full-duplex - Wave Length: 850nm. Data Rate: 1.25Gbps. Port Type: LC/UPC - Max. Cable Length: 550m(1,800 feet) using 50/125um Multi-Mode Fiber, 220m(720 feet) using 62.5/125um Multi-Mode Fiber - Always keep the protective dust plug on the SFP’s optical bores until you are ready to make a connection - Compatible with all SFP ports on TP-Link product including JetStream switches, and media converter MC220L.Work with MC200CM with multi-mode fiber connection ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003CFATYM | | Best Sellers Rank | #17,991 in Computers ( See Top 100 in Computers ) #29 in Network Cards | | Brand | TP-Link | | Built-In Media | TL-SM311LM | | Color | Black | | Colour | Black | | Compatible Devices | Desktop, Laptop | | Compatible devices | Desktop, Laptop | | Current Rating | 1 Amps | | Customer Reviews | 4.6 out of 5 stars 229 Reviews | | Data Transfer Rate | 1000 Gigabits Per Second | | Included components | TL-SM311LM | | Interface | SFP, LC | | Item Weight | 0.1 Pounds | | Item weight | 0.1 Pounds | | Manufacturer | TP-Link | | Mfr Part Number | SM311LM | | Model Number | SM311LM | | Platform | Not Machine Specific | | Switch Type | Manage | | UPC | 115971107426 840460605151 | | Upper Temperature Rating | 70 Degrees Celsius | | Voltage | 5 Volts | | Warranty Description | 1 Year Manufacturer Warranty | ## Product Details - **Brand:** TP-Link - **Colour:** Silver - **Compatible devices:** Desktop, Laptop - **Included components:** TL-SM311LM - **Item weight:** 0.1 Pounds ## Images ![Gigabit SFP module, 1000Base-SX Multi-mode Fiber Mini GBIC Plug and Play, LC/UPC interface, Up to 550/220m distance (TL-SM311LM) - Image 1](https://m.media-amazon.com/images/I/51Blhyw3GVL.jpg) ## Questions & Answers **Q: Does this lc connector support upc or apc fiber connections.... or both?** A: This SFP is only for UPC fiber connections. If you have a APC fiber you need to connect it to, adapters are available to do that. **Q: Does it support 220v ?** A: Yes. The adapter states input voltage 100-240VAC You will need an adapter if you get the US plug model as mine came with a standard US adapter. **Q: Is it compatible with a hp j9660a or a dell powerconnect 2724?** A: I am using this with the MC220L Transceiver converter and it works great. However you can use this in any switch that has a SFP or SFP+ port. Both the HP and Dell you stated do have SFP ports so you are good on either. **Q: Is this module compatible with Netgear Switch?** A: They are pretty much interchangeable. I put them in tp-link switches but from what I got at my local fiber optic store is that they are all the same. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works with SOTM SFP switch SN10g *by A***R on 1 December 2021* Works great on SOTM SN10G SFP port switch. This is a 1G module. Have purchaed Finisar 1475 which is 10G bandwidth module however SOTM switch cannot support 10g.Users might want to tale note. Sound wise, clear as a whistle no issues so far as am using this TPLINK module daisy chain to another SOTM SN10G. With fibrepro 7" length LCLC os2 .You can buy the whole wide web of modules to try and narrow them down to the best sound for any audiophile given switch but I find that it is a waste of money and time.You are better off playing LPs.However for TIDAL streaming does works fine for me and have tested playing back and forth from a ripped to wave cds 44.1/16bit direct from cocktail x40 thru uab (sotm usb ultra onboard clock) and with Lenovo laptop also with Sotm txusb ultra, TIDAL, the tidal does sound slightly similar but take note though, the decay of the cymbals ended (faster)lesser last note shimmering decay effect. Softer no bite.No air surrounding the cymbals.No idea why?All psu are plixir balance elite .Amps are Belcanto ref500s to Mytek broolyn dac+ and cables kimber ks1021/ pk10 palladian /ks2036/8tc.SR fuaes amd bybees with shakti stones and shakti onlines.SR tranqua bases. Update 1 Now having bought 08 and no issues at all. Only for LC to LC fibres and OS single mode SM single mode. Do not use OM or MM multimode. Do not mix the IN and OUT of the module.Wise choice to go with same module maker/ model nbr. ### ⭐⭐⭐⭐⭐ working OK *by ع***ج on 1 April 2026* Excellent ### ⭐⭐⭐⭐⭐ Worked like a *by C***T on 30 March 2018* Plug and play. Worked like a charm ## Frequently Bought Together - TP-LINK Gigabit SFP module, 1000Base-SX Multi-mode Fiber Mini GBIC Module, Plug and Play, LC/UPC interface, Up to 550/220m distance (TL-SM311LM) - 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 - TP-Link Gigabit SFP module | 1000Base-LX Single-mode Fiber Mini GBIC Module | Plug and Play | LC/UPC interface | Up to 10km distance (TL-SM311LS) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/290960130-gigabit-sfp-module-1000base-sx-multi-mode-fiber-mini-gbic](https://www.desertcart.hk/products/290960130-gigabit-sfp-module-1000base-sx-multi-mode-fiber-mini-gbic) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-09-11*