The best hardware security keys for two-factor authentication - The Verge
50xSafeNet Borderless Security iKey 2032 USB TOKEN USB Authentication – 4G discount
Signet HC all-in-one password manger, authentication token and encrypted USB flash drive - Geeky Gadgets
PIVKey T800 USB Authentication Token (PKI Smart Card) Certificate Based PKI ideal for enterprise applications like Windows Logon, Digital Signatures, Email and Data encryption, HTTPS and SSH authentication. : Amazon.ca: Electronics
The 2 Best Security Keys for Multi-Factor Authentication in 2023 | Reviews by Wirecutter
Amazon.com: Yubico FIDO Security Key NFC - Two Factor Authentication USB and NFC Security Key, Fits USB-A Ports and Works with Supported NFC Mobile Devices – FIDO U2F and FIDO2 Certified -