![]() Even 10 year old Intel cards have 10 times the amount of RAM Realtek cards have. Wired Realtek network cards tend to have very little RAM compared to network cards from Intel and Qualcomm. Realtek network products should, overall, be avoided. Wireless Realtek network cards are mostly supported by the Linux kernel. This problem with Realtek cards seems to be a) mostly (only?) a problem with on-board Realtek chips and b) a problem when the PHY is identified as "" There is a workaround, see below. However, even the latest Linux kernels - like 5.6 - have issues with many of these cheap network cards where they temporarily stop working with a kernel ring buffer message (r8169): transmit queue 0 timed out. ![]() These chips use the r8169 kernel module which is mostly stable. Most wired Realtek network cards, both those found on motherboards and separate PCI-Express cards like the TP-LINK TG-3468 PCIe Gigabit Adapter, use a variant either the RTL8168 or the RTL8111 network chips. Wired Relatek network cards are overall fine, but they do have very little on-board RAM and some need a workaround to avoid issues. ![]()
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