Windows 10 10gbe slow. Jan 26, 2026 · Windows includes a “network throttling” mechanism tied historically to multimedia scheduling. I’ve used ISCSI in the past for performance applications. I don’t do any heavy lifting via my SMB shares. On some systems it can contribute to inconsistent throughput or lower sustained SMB copy speeds—especially when the system thinks it’s prioritizing audio/video responsiveness. The speeds are just too low for anything meaningful. But if it’s truely due to Windows 10, I’m surprised that there haven’t been many other reports about it. X520 works fine under Windows 11. Specs: HPE ProLiant Gen-10 Windows Server 2022 Dual 10GBE Mellanox Connect-5 network card Both 10GB ports are connected to a 10GB Aruba managed switch Hyper-V One 10GB port is dedicated to the physical server, and the other port is dedicated to a virtual Windows Server 2022. The systems are two Lenovo SR530 with 2x10G Intel x722 NICs, hosts are running 2016, guests are Windows 10 1809. With the new 24H2, the transfer speed is capped at around 68MB/s. My test file was a large iso. truenas. Dec 19, 2023 · I have a 10-gigabit network to which I connect my DS1621+ (with 10GbE adapter) to my MacBook Pro (with Thunderbolt 4 dock that has 10GbE). Sep 3, 2020 · I recently added 2 intel 10Gbe nics, one to my desktop, and one to my server. Here's the issue: When I upload (egress) a 1GB file from Dec 9, 2024 · As I'm using Media Editing Software, I have an Intel 10GbE NIC installed, connected through a 10GbE switch to my NAS. x710 is supported by the latest Proset wired all in one driver, 27. Naturally, I'm looking for ways to speed things up! Dec 22, 2018 · It uses the 1GbE network instead of the 10GbE network, but manages to run ~15% faster, clearly limited by the 1GbE interface on the Windows machine. 00GHz 64GB RAM RAID 5 with 6 x 1TB SSD / Windows Server 2012 Mar 23, 2017 · Did 175 Windows updates in 5 minutes flat on first install. Just use the Windows 10 driver from several years ago, only recently was the card removed from current drivers. I can't for the life of me understand why a point to point transfer over the 10GbE network goes even slower than this drag and drop over 1GbE through Windows and multiple switches. I have several workstations and servers using these old cards with 0 problems. It is surprisingly constant on that speed. So I’ve never spent the time to tune them for performance. The HD's in my NAS are not arranged for speed because they predate the 10GbE network. Windows 10 and 11 drivers are the same drivers by the way, which proves that I am dealing with an operating system issue, since on the same operating system, I face the same issue with different drivers but on a different OS, I dont have such problems. System: Windows 10 Pro ASUS Z390 Prime motherboard i7-9700k processor 64GB corsair vengeance DDR4 RAM Nvidia Quadro 4000 Hi, Encountering Slowdowns with file transfer speeds one-way. Whenever I reinstall OSes, I install that on a new disk and keep the old OS on the old disk for a while as backup. See below for hardware test spec: Server Dell PowerEdge R630 E5-2687W v4 @3. com for thread: "Slow Windows R/W Performance over 10GbE with my TrueNAS box" Unfortunately, no related topics are found on the New Community Forums. Transferring files between a test workstation and a Windows Server 2012 R2 is fairly slow at an average of 110mb/s. Dec 2, 2021 · Whether you’re dealing with a NAS that isn’t reaching expected speeds, a 10GbE adapter that’s underperforming, or a switch that isn’t behaving as expected, this guide will help you troubleshoot step by step, so you can fully unlock the potential of your 10GbE network. You actually need to tell SMB to favor the 10GbE (or Infiniband, etc) channel, otherwise it’ll take the path of least resistance. . Dec 26, 2025 · This guide shows how to optimize SMB file sharing on Windows 10/11 and (optionally) enable Jumbo Frames for higher throughput on gigabit/2. The NICs FW and all other firmware is fully updated. 5G/10G networks—especially helpful for large file transfers. In my experience SMB can be slow. If you are using a 10GB connection, your problem would be with the CPU, not the network adapter or Windows. Nevertheless, I would like to know, what is exactly the problem, which parameter disturbs. The server and workstation is connected to one 10-GbE Netgear switch. One other thing I found out recently in my dealings with 10GbE back-end fabric is a tricky thing related to SMB and multiple network paths to a server. It’s block storage, so the client sees raw disk space instead of anything formatted. Jan 26, 2026 · It’s really puzzling to me how I’m seeing such a lack of performance with multiple NIC’s, from multiple vendors on different Windows 10 systems. Windows 10 as the operating system is still the only common denominator between them. While testing throughput I am running into an issue where when I download from the server to my desktop I get about 980MBs. On both machines I used ramdisks to ensure storage speed would not be a bottleneck Sep 20, 2021 · Related topics on forums. 4 June 14, 2022. However when I upload to the server from my desktop I get only about 400MBs. Dec 9, 2024 · As I'm using Media Editing Software, I have an Intel 10GbE NIC installed, connected through a 10GbE switch to my NAS. Here's the issue: When I upload (egress) a 1GB file from Jan 30, 2024 · How to troubleshoot advanced network performance features such as RSS and NetDMA - Windows Server Some networking improvements that were first released in the Windows Server 2003 Scalable Networking Pack can cause slow or intermittent network performance if the network drivers that are being used are old or don't support the new features. May 4, 2018 · I ran several "Lan speed test" tests before installing a 10 Gb network card into a brand new PC and the read and write scores are less than half the scores before the switch. Nov 3, 2018 · Windows will adjust the TCP Window, depending on the packet size and CRC. Aug 23, 2017 · Hello All! We are having an issue testing our 10GbE setup in our lab. Feb 12, 2019 · Hello, for the past two weeks, I’ve been bashing my skull around configuring a working SET with a HyperV cluster, to no avail. The drivers are installed through Lenovo Hi, Encountering Slowdowns with file transfer speeds one-way. ckz nmz tkf uyb fin ane gjr jug rzk erh lcb heb xja agb jag