Product Comparison
| YubiKey 5 Series | Security Key Series | YubiKey Bio Series | YubiKey FIPs Series | |
| Function | ||||
| WebAuthn | x | x | x | x |
| FIDO2 CTAP1 | x | x | x | x |
| FIDO2 CTAP2 | x | x | x | x |
| Universal 2nd Factor (U2F) | x | x | x | x |
| Smartcard (PIV-compatible) | x | x | ||
| Yubico OTP | x | x | ||
| OATH – HOTP | x | x | ||
| OATH – TOTP* | x | x | ||
| Open PGP | x | x | ||
| Static Password | x | |||
| Workstation Login | YubiKey 5 Series | Security Key Series | YubiKey Bio Series | YubiKey FIPs Series |
| Windows | x | x | ||
| Mac OS | x | x | ||
| Linux | x | x | ||
| Identity & Access Management | ||||
| Microsoft Active Directory | x | x | ||
| Microsoft Azure AD | x | x | x | x |
| Okta | x | x | x | x |
| OneLogin | x | x | x | x |
| Duo Security | x | x | x | x |
| Ping Identity | x | x | x | x |
| Idaptive | x | x | x | x |
| Applications | YubiKey 5 Series | Security Key Series | YubiKey Bio Series | YubiKey FIPs Series |
| x | x | x | x | |
| Microsoft | x | x | x | x |
| Salesforce.com | x | x | x | x |
| Github | x | x | x | x |
| Dropbox | x | x | x | x |
| x | x | x | x | |
| x | x | x | x | |
| Dashlane Premium | x | x | x | x |
| LastPass Premium | x | x | ||
| 1Password | x | x | x | x |
| Interfaces | YubiKey 5 Series | Security Key Series | YubiKey Bio Series | YubiKey FIPs Series |
| USB-A | x | x | x | x |
| USB-C | x | x | x | x |
| Near-Field Communication (NFC) | x | x | x | |
| Lightning | x | x | ||
| Biometrics | x | |||
| Certificates | ||||
| FIDO 2 Certified | x | x | x | x |
| FIDO Universal 2nd Factor Certified (U2F) | x | x | x | x |
| FIPS 140-2 Certified | x | |||
| Supported Device | ||||
| FIDO-HID-Device | x | x | x | x |
| CCID Smart Card | x | x | ||
| HID-Keyboard | x | x | ||
| Cryptographic Specifications | YubiKey 5 Series | Security Key Series | YubiKey Bio Series | YubiKey FIPs Series |
| RSA 2048 | x | x | ||
| RSA 4096 (PGP) ** | x | x | ||
| ECC p256 *** | x | x | x | |
| ECC p384 *** | x | x |
* OATH-TOTP requires the Yubico Authenticator as a helper app.
** Only supports importing the private key, not generating.
*** Applies to Smart Card applet only; does not affect the OpenPGP applet.