Realtek pcie gbe family controller speed stuck at 100 mbps Initially, it wasn't Basically your pc ethernet port, your cable and the router port has to support 1Gbit. Jan 3, 2022 · Well, i have a 300mbps connection but the darned LAN cable given me max 100, here's what i have tried already. Checking the LAN cable, it says it's a Network Interface Controllers Realtek PCIe FE / GbE / 2. 815. 15. How can I make it run at 1GBit/ s? Latest driver is installed. 2013 Realtek website download 8. My hardware: i5-8400 MSI B360m Pro-VDH Radeon RX580 8 GB 16 GB DDR4 ram A fresh install of windows 10, only things downloaded Read More: https://appuals. I have eliminated my router and my cable from the equation because I can get 1000mbps, no problem, when I plug the same cable (still connected to the router) into another computer, so this pretty much leaves the PC as the culprit. I am getting only 100mbps speed from my network card. 5GbE Family Controller Current link speed: 100/100 Mbps My internet plan provides speeds up to 1 Gbps. Feb 28, 2022 · Hello, since I changed my motherboard, I've been having issues with the network adapter. When connected, status shows 1000/1000 (see picture below), but internet is limited to stable 100mbps whereas available from provider speed is close to 400mbps. The preinstalled card is getting 930mb Jul 22, 2021 · My PC is connected to a gigabit network switch but my PC would always be stuck at 100/100 Mbps. I have seen several posts about this exact issue with no concrete solution and all the same suggestions. Connection is a wired ethernet cable. You have performed a lot of troubleshooting and settings adjustments, here are some further suggestions and possible solutions: Jun 11, 2018 · In order to get GBE, every step in the connection must support GBE, which your powerline adaptors do not. Motherboard has Realtek PCIe GbE Family Controller. It lets your PC talk to the internet through a cable. 5GbE Family Controller is stuck at 100 Mbps link speed. It’s a piece of hardware inside your motherboard. 0. Both network interface and router are 1 Gbps capable. Microsoft or community discussions prove this issue can be due to driver or negotiation problems. I have used a work arround for months now (ethernet to USB dongle). I'm unsure if reverting to that version could help, tried doing so but failed - Realtek drivers are pain to install main PC winver is 1909 (build 18363. 2023 Physical address (MAC): 58-11-22-2B-42-C8 My drivers are up to date as per realtek website I am using the latest version. Faulty Ethernet cable connector. 2018 driver version, which is even newer than the 10. You didn't list the model of the TP-Link. Periodically, the Realtek interface will fall back to 100 Mbps. I have tried different settings in the advanced option for the network adapter without succes. 0 Gbps). The only setting that doesn't disconnect is 100 mbps full duplex. 19045, 22H2. NIC: Realtek 8168 series under one of the device tabs, although its called Realtek PCIe GbE Family Controller in the adapter menu in control panel. BTW my Laptop is a Acer VN7 -792G just in case the specs are needing to be checked. Mar 7, 2015 · My network card is a Realtek PCIe FE Family Controller. 5 gbe, and for some time it was working with full 1G, but suddenly it dropped to 100M speed. I can take the same exact cable, connect to an iMac with a Broadcom NetXtreme Gigabit Ethernet adapter, and both OS X and Windows (via bootcamp) read the connection correctly as 1000Mbps. Check the Speed and Duplex:- it's already set at 1 Gbps Full Duplex. EDIT: The laptop is an ASUS GL752VW 18 hours ago · The most frequent complaint concerns that Realtek PCIe GBE family Controller link speed is restricted to 100 Mbps, even with the best cable and gigabit router. No change; still 100mbps. Jan 13, 2015 · So after interfacing with some strange switch hardware my laptop is now incapable of connecting to any network at 1Gbps over Ethernet. This update was not approved by Microsoft, and was not in their catalog of accepted drivers. 828. I don't think the ethernet standards have any speed between 100 and 1000 Mbps, so it drops down to 100 Mbps. 5Gbe forces 100mbit link speed only on windows. My very old Sony Vaio runs at 1GBit/ s when it´s connecte. 410. 5G Gigabit Ethernet > PCI Express RTL8125 / RTL8125B (G) / RTL8125D / RTL8125K RTL8125BP / RTL8125CP Network Interface Controllers > 10/100/1000M Gigabit Ethernet > PCI Express Hi everyone! Since I've updated my PC to Windows 11, my Ethernet port seems to be working weirdly. 2016 driver version on the other, identical motherboard which is listed as 1000/1000 (Mbps) and Jun 25, 2021 · Hi, I have a Windows 10 HP Pavilion 595-p0049. 5GbE / Gaming Family Controller Software Quick Download Link Realtek USB FE / GbE / 2. It gets stuck at 100 mbps, while back then with Windows 10 everything worked fine, and I had a normal 1000 mbps speed. 592), auto-update enabled and OS is up As the title says the controller is locked at 10 mbps. RTL8127 / RTL8127AT / RTL8127ATF Network Interface Controllers > 5G Gigabit Ethernet > PCI Express RTL8126 Network Interface Controllers > 2. 2023 Modem: ET2251 Router: SBE1v1k Issue Description: My PC's download speed is stuck around 300 Mbps on both Ethernet and Wi-Fi, while upload speeds are fine and reach the full expected Jul 8, 2021 · You may find that your Ethernet speed is capped at 100 Mbps when your Internet Service Provider (ISP), or your internal network connection, should be providing speeds higher than 100 Mbps. On properties i set the value to 1gps/full duplex, speed still stuck at 100mb. 1 Realtek PCIe GBE Family Controller The driver: Samsung distributed Realtek 8. Sometimes routers have "power saving" settings, which limit the speed to 100Mbps for some or all ports. 5GB full duplex. Jul 6, 2023 · Is the Realtek Gaming 2. 5 gbe Realtek card it for my PC (already had a preinstalled 1gbe card, also from Realtek). Jul 22, 2025 · I’ve been struggling with a serious issue regarding my Realtek PCIe GBE Family Controller. I have an asus Gigabit Router and a gigabit NIC (Realtek PCIe GBE Family Controller) witch is running at 100Mbps rather than 1000Mbps (1. 511. 723. 36. com Jan 20, 2018 · Before that I could get 1000mbps, but now the connection is stuck at 100mbps as you can see in the screenshot: The router and the cable remained the same. It's pretty new with i5 6400 / gtx1050Ti etc. 3 compatible Media Access Controller (MAC) with a triple-speed Ethernet transceiver, PCI Express bus controller, and embedded memory. Mar 20, 2024 · the link speed of this network adaptor is limited to 100 mbps regardless of what i do; ive set the duplex to gbps speeds, im using the correct cable as ive tested it on different devices as well as via an USB adaptor that uses the Realtek USB GbE Family… Mar 16, 2021 · The weird thing is that Windows 10 Settings lists LAN-port on the troublesome motherboard as 100/100 (Mbps), names the adapter “Realtek PCIe GbE Family Controller” and list a 10. It's a "Realtek PCIe GBE Family Controller", model RTL8167. 31. Driver version is 10. Already spent a bunch of time uninstalling drivers, from device manager and from the realtek uninstall with no luck. 5GbE / Gaming Family Controller Software Quick Download Link Feb 9, 2020 · on-board NIC is Realtek PCIe GBE Family Controller driver is 10. Mar 9, 2024 · Network adapter: Realtek Gaming 2. Manufacturer: Realtek Description: Realtek Gaming GbE Family Controller Driver version: 1168. I've tried changing it from Feb 2, 2025 · Hi. This is measured by the connection in the properties menu of the controller, and speed tests confirm this. My network adapter is a Realtek PCIe GBE Family Controller. I updated to the latest network adaptor driver from the Realtek website; version 10. When connected via ethernet, Windows displays the connection as 100/100 Mbps. com/how-to-fix-realtek-pcie-gbe-family-controller-not-running-at-full-speed/ Mar 13, 2024 · I did the same for Device Manager > Network Adapters > Realtek PCIe GbE Family Controller Still, I get about 360 Mbps when I go direct from the Spectrum modem to the ethernet port, but only 94 Mbps when I go through the router. I have updated drivers and changed speed duplex to 2gbps full duplex, it works for a couple seconds downloading at 90mbps which is my actual download speed then drops to 10mbps while downloading. Ethernet speed stuck at 100 Mbps is usually caused by a hardware problem: Faulty, loose or poor quality network cable. 2014 Whatever Microsoft pushes through Windows Updates The troubleshooting that has Hi everyone, i upgraded my internet lately but everytime I did speed tests it gave me the same results as before. I’ve tried numerous solutions, including: 1. Ugh. However, if I connect the same ethernet cable to the PC right next to mine, it would get gigabit speeds. I don't know what caused this problem but my Realtek driver is up-to-date, and previously it was a link speed of 100 Mbps. When I use an old laptop on the same Ethernet cable (cat6) its running succesfully at 1. 10. I've also tried removing Auto-Negotiation and various other settings like Power savings mode and what-not to no avail. * … Aug 31, 2019 · I also removed and reinstalled the drivers from Realtek, I also set speed and duplex to 1 gigabit, and I started in windows safe mode to see if I can reach those speeds there but unfortunately, I only got 100mbps aslo in there Aug 13, 2025 · What Is the Realtek PCIe GBE Family Controller? Let’s keep it simple. 714. 5GbE, but seems to be stuck on 100 mbps. 0 Gbps Full Duplex", and installed Speed & Duplex - (tried all options) The weird thing about all this is sometimes when messing with this It'll randomly start working, and I'll get the gigabit speeds that I am used to. 5GB port Intel I225-v, and changed my network adapter to 2. Speed and Duplex should remain set to Auto-Negotiate. I am trying to get the best possible setting for my Realtek PCI-e GBE family controller network card so that when it will be literally minimal or zero lag when playing online game. Testing See full list on appuals. Mar 18, 2024 · My motherboard is an X570 Tuf, with Realtek Gaming Gbe Family Controller. gigabyte x670 , realtek 2. Nov 30, 2021 · In my house, I've had Google Fiber. I performed a clean install of the windows, the speed won't budge. https://linustechtips. I have tried numerous solutions but alas nothing seems to work. Faulty Ethernet LAN wall socket. Anyone knows if Windows 11 is the problem? Anyone has this problem too? How to fix it? Thanks in advance! This is my mobo ASUS H110M-R This is my Network adapter / Realtek PCie GbE Family Controller One guy asked me how old is my pc. To the moment I've tried: Clean windows install Forcing uplink speed in addapter settings (didn't help) Updated bios The Realtek PCIe GBE Family Controller aligns itself with the Gigabit Ethernet (GbE) standard, which can offer speeds up to 1 Gbps (1000 Mbps). I've set "Speed & Duplex" to "1. Faulty Ethernet LAN socket on PC or router/switch. The Realtek RTL8118AS-CG 10/100/1000M Ethernet controller combines a triple-speed IEEE 802. I recently purchased a 2. Solved! So recently, I've updated my build, and installed motherboard with 2. 1. The hardware: Samsung NP780Z5E-S01UB w/ Windows 8. Make sure to download a compatible one. As of yesterday, my onboard Realtek Gigabit Ethernet NIC stopped working fully. Yesterday, I updated my BIOS and after the update, my network connection was working fine at 1 Feb 6, 2021 · Ethernet adapter (Realtek PCIe GBE) supports gigabit speed. In that case, you need a network card which has a specification of 10/100/1000 mb/sec (or Gigabit) May 1, 2018 · Wired ethernet will only have a link speed of 10/100/1000 Mbit. Is there a bottleneck somewhere that I'm missing or an additional configuration I Mar 29, 2024 · 0 I am on Windows 10. I'm using a CAT 6 Ethernet cable, tested and in perfect condition I have installed drivers from: The ASUS official website (for my motherboard) The Realtek website I also tried the ones provided via Windows Update Nov 6, 2021 · After researching on the internet, I changed settings on my Realtek PCIe GbE Family Controller Network Adaptor to 1GB Speed & Duplex. New cable didn't work and tried all the drivers from the mobo manufacturer and Intel. I've confirmed my ethernet cable(s) are CAT5E. Router is ASUS RT-AC66U. Apr 9, 2019 · My internet speed is supposedly good to 500Mbps, but I'm only able to get about 95Mbps on my ethernet port. And you confirmed it can handle 100Mbps. 717. What might cause this to occur? What, if anything, would prevent it from Jul 27, 2016 · I know some will say just use the wireless if you are getting a good speed, but I am old school and just like to use a wired connection over wireless lol. On the network settings I have enabled 1Gbps speed and duplex. I tried 2 different versions of drivers, including the last one on the realtek website. 826. With state-of-the-art DSP technology and mixed-mode signal technology, the RTL8118AS offers high-speed transmission over CAT 5 UTP cable or CAT 3 UTP (10Mbps only) cable Mar 23, 2025 · Hi, I have an issue with my Intel(R) Ethernet Controller (3) I225-V. Adjusting the speed and duplex settings to gigabit and auto, 2. com/topic/1473791-realtek-gaming-25gbe-family-controller-stuck-at-100mbps/#findComment-15705413 Realtek 2. Jun 21, 2015 · I have the same problem, Realtek PCIe GBE Family Controller, Drivers up to date, 5E cable, and connection is stucked at 100 mb for some unknow reason. I taught something was wrong with my ethernet port so i updated the drivers and that's when i noticed that Realtek PCIe GBE Family controller is stuck at 100/Mbps and won't change to 1/Gos for some reason. 17. I have tried a few things on my PC: Installing the latest driver from Realtek Updating to the la Jan 26, 2018 · But then i found the solution: Got to your Device-Manager ---> Networkadapter ---> search for your NIC / Network Interface Card (for examplemine was a Realtek PCIe GBE Family Controller) ---> Select it an go to Properties ---> go to section Advanced ---> And now make sure: Look for Option "Autom. Link speed is LIMITED at 100 Mbps. Go to Device Manager>network adapters,right click on your network adapter in use>Properties,click on Mar 11, 2025 · Details: Adapter Model: Realtek PCIe GbE Family Controller Motherboard: Gigabyte B450M DS3H wifi Operating System: Windows 10 Driver Version: 10. Dec 30, 2010 · Issue affects Windows 7, Windows XP, and Ubuntu Linux. The letters FE in the model name stands for "Fast Ethernet" which is 10/100 mb/sec. Do you know that it is 1Gb wired? Mar 20, 2024 · My Omen Obelisk 875-1045m desktop PC is being hard capped at 100Mbps through the Moria2 (HP 86D3 (AM4)) motherboard's integrated Realtek Gaming GbE Family Controller, which is rated at 10/100/1000Mbps, and even shows as such via Device Manager's "Speed & Duplex" setting. Aug 16, 2019 · Google for “Realtek PCIe GBE family controller latest drivers download” and then download the driver installation package from the site. I am using AMD AM4 X570 motherboard. I've been Googling, trying to figure this out, but nothing is working. 3. 2016, unsure what it was before updating second PC has driver version 9. 100mbit lan, when download files from my NAS speed start correctly and then decrease to 50% or less with no sense. I checked for updates and it says I have the latest. For the past month, my download and upload speeds have drastically dropped from a stable 1000Mbps to a frustrating bottleneck at 100Mbps, despite having a 1Gb internet connection. You can also check the link speed on your router depending on which leds are lighting up next to the port (check the manual of the router for that). 5GbE Family Controller built into the motherboard or is it an external PCIe network card? Is the PC network cable connected directly to the LAN port of the router or through the ethernet wall socket or something else? "Speed & Duplex" must be set to Auto Negotiation. It supports gigabit speeds—that’s up to 1000 Mbps. I have ATT fiber with the BGW-320 router, CAT-5e cables, Z690 motherboard with 2. I have confirmed the speed coming out of the modem is 1gbps. I've ran a Ethernet test from the main hub, to my PC and it's shown that I'm able to get 980Mbps down and 890Mbps upload. 2015. Sucks, but no fighting it I suppose Jun 4, 2025 · Hi, my Realtek Gaming GbE Family Controller is auto capping to 100mbps when connected to my SPNMX56 router via a Cat7 cable which has 900mbps fibre capability. 5gbe lan speed issue during download. Mar 14, 2020 · Hello Guys, whenever i plug an ethernet cable into my pc (Asus prime b350 plus mobo), it always picks a 100mbps link speed, instead of the 1gbps i am looking for. The cable i brand new (CAT 6) and the router is a TP-Link Archer C7 v2, i have tried the exact same cable with my girlfriends Dec 31, 2022 · I am only receiving 80-100 mbps download speeds (60 mbps Upload) on my Dell Inspiron 3891, purchased approximately one year ago. Can anyone help me with this problem? Pd: I have already updated the driver I just got an ASUS ROG Strix desktop with the Realtek PCIe GbE Family Controller. 0 Gbps and nothing worked, it says it is rated at 1000 mbps but i somehow cannot get it to more than 100. Amazing, but my landlord won't allow me to keep the ethernet hooked and wired throughout the house. deactivate Gigabit" and set it to not avaiable! Oct 15, 2024 · The issue you are experiencing with the Realtek Gaming GbE controller automatically capping at 100 Mbps may be related to a number of factors. The first test to do is to unplug/replug the network cable at both ends or try replacing the cable Apr 16, 2024 · Realtek PCIe GBE Family Controller on my HP Pavilion Laptop only runs at 10 Mbit/ s. It used to work fine at 1 Gbps, and nothing hardware-wise has changed. 726. Since I bought the Motherboard. Super fast, right? But sometimes, instead of flying, it limps along at 100 Mbps or less. It was the NIC built into the motherboard of my PC, which is an ASUS M4A785-M. If this is the case, and you have already tried the two steps above, you may be encountering a link speed issue. Realtek drivers, already installed and updated them from realtek's own site. So once again , Upload is not problem ,Download is locked at 10Mbps Feb 14, 2016 · Your Realtek PCIe FE Family Controller is probably a 10/100 network device, that means it's max throughput is 100 mb/sec. Jan 19, 2017 · I just got fibreOP installed in our house, and to my surprise cannot breach 100Mbps on my wired connection. 0 Gbps. Jan 6, 2020 · I'm not sure if this is the right place to post this but I just installed a new motherboard and the Realtek card for some reason only works when i put it on 10 Mbps full duplex Dec 13, 2022 · You may also need to change your Speed and Duplex settings to either Auto Negotiate or 1 gbps full duplex. 68. 2021. ive updated the drivers to the latest, my ethernet cable is a cat 5e cabl Jul 4, 2022 · Ethernet driver is Realtek Gaming 2. Jan 17, 2025 · Are you frustrated with the slow performance of your Realtek PCIe GBE Family Controller? Do you want to optimize its speed and take your online gaming or streaming experience to the next level? Look no further! In this article, we’ll dive deep into the world of network optimization and explore the best ways to make your Realtek PCIe GBE Family Controller faster. Feb 7, 2021 · my ethernet is stuck at under 100mbps when i get 400 mbps on my phone, i have tried setting the speed and duplex at 1. Confirmed cables, switch, and port work fine — tested with another PC and it negotiates 1 Gbps instantly. Oct 25, 2021 · I've just downloaded the latest drivers for Realtek PCIe Family Controller on Windows 10. Jun 20, 2025 · My Realtek PCIe 2. The problem is that sometimes the adaptor, when normally working at 1GB speed, randomly locks itself to a maximum speed of 100 Mbps. However, certain configurations and limitations can cap its performance to just 100 Mbps. Even after updating the drivers, it says my link speed is 1000/1000. 50. fuah cqesh eqqwb oqeg zudfe tzyjjnp cfte ardwtkjn jfxvk clpzqn svwjv uss onx pisnw jlit