Suresh Thiru

You can choose from different YubiKey models depending on your needs. The keychain model is designed to go anywhere on a keychain. The Nano model is small enough to stay in the USB port of your computer. Multiple form factors with support for USB-A, USB-C, NFC and Lightning.
YubiKey 5 FIPS Series
The YubiKey 5 FIPS Series is certified at FIPS 140-2, Overall Level 1 and Level 2, and in addition, has achieved Physical Security Level 3; the YubiKey 5 FIPS series is able to meet the requirements for Authenticator Assurance Level 3 (AAL3) as defined in NIST SP800-63B.