test network low performance 2 x Intel Xeon E5-2630 v2 testing with a HP Z820 Workstation 158B v1.01 (J63 v03.96 BIOS) and AMD FirePro W7000 4GB on ALT 10.4 via the Phoronix Test Suite. Intel 82579LM: Processor: 2 x Intel Xeon E5-2630 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: HP Z820 Workstation 158B v1.01 (J63 v03.96 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 8 x 4 GB DDR3-1600MT/s Hynix HMT451U7BFR8C-RD, Disk: 500GB ZM-HE130, Graphics: AMD FirePro W7000 4GB (300/150MHz), Audio: Realtek ALC262, Network: Intel 82579LM + Intel 82574L + 2 x Intel I350 OS: ALT 10.4, Kernel: 6.1.115-un-def-alt1 (x86_64), Display Server: X Server 1.20.14, OpenGL: 4.5 Mesa 23.1.9 (LLVM 15.0.7 DRM 2.50), Compiler: GCC 10.3.1 20210703, File-System: ext4, Screen Resolution: 1920x1200 speedtest-cli 2.1.3 Internet Latency ms < Lower Is Better Intel 82579LM . 5.190 |======================================================== speedtest-cli 2.1.3 Internet Upload Speed Mbit/s > Higher Is Better Intel 82579LM . 450.77 |======================================================= speedtest-cli 2.1.3 Internet Download Speed Mbit/s > Higher Is Better Intel 82579LM . 287.10 |=======================================================