If you're thinking of plugging an old keyboard or similar into a newer computer, think again. Device. You'll most likely need an externally powered USB hub for it to work if that's all. The description should probably emphasize this fact better as it applies to 99.9% of products with a PS/2 connector. Without exaggerating, there is only a very small number of products for which this would really make sense.
TP-Link Archer T4U Plus AC1300 USB 3.0 WiFi Network Adapter
29 Review
TP Link TL WN823N 300Mbps Wireless Adaptor
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High Gain Wireless Network Adapter - TP-Link Nano USB Wifi Dongle with 150Mbps Speed for PC Desktops and Laptops. Compatible with Win10/8.1/8/7/XP Linux 2.6.18-4.4.3, Mac OS 10.9-10.15 (TL-WN722N)
46 Review
Wi-Fi adapter D-link DWA-140, black
46 Review
π Juiced Systems Silver BizHUB USB-C Multiport Gigabit HDMI Hub with 3 USB 3.0 Ports, Gigabit Ethernet, 4K HDMI, SD/Micro SD, and USB-C Power Delivery
11 Review
π uni USB C Hub with Ethernet Adapter, 4K HDMI, Gigabit Ethernet, and 3 USB 3.0 Ports for MacBook Pro, iPad Pro, XPS
11 Review
π StarTech.com NETRS232 Serial to IP Ethernet Device Server - DIN Rail Mountable - Serial Device Server - Serial Over IP Device Server (Black)
4 Review
HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
12 Review