Compare YubiKey
| Size | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5Ci | YubiKey 5C Nano | Security Key NFC by Yubico | Security Key by Yubico |
 |  |  |  |  |  |  |  | |
| 18mm x 45mm x 3.3mm, 3g | 18mm x 45mm x 3.7mm, 4g | 12mm x 13mm x 3.1mm, 1g | 12.5mm x 29.5mm x 5mm, 2g | 12mm x 40.3mm x 5mm, 2.9g | 12mm x 10.1mm x 7mm, 1g | 18mm x 45mm x 3.3mm, 3g | 18mm x 45mm x 3.3mm, 3g | |
| Functions | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5Ci | YubiKey 5C Nano | Security Key NFC by Yubico | Security Key by Yubico |
| Secure Static Passwords | ||||||||
| Yubico OTP | ||||||||
| OATH – HOTP (Event) | ||||||||
| OATH – TOTP (Time) | ||||||||
| PIV-Compliant Smart Card | ||||||||
| OpenPGP | ||||||||
| FIDO U2F (Universal Second Factor) | ||||||||
| FIDO2 | ||||||||
| Secure Element | ||||||||
| Top Applications | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5Ci | YubiKey 5C Nano | Security Key NFC by Yubico | Security Key by Yubico |
| Google Accounts (U2F) | ||||||||
| Facebook Accounts | ||||||||
| GitHub (U2F) | ||||||||
| Docker | ||||||||
| Dropbox (U2F) | ||||||||
| Salesforce | ||||||||
| LastPass | ||||||||
| Dashlane Premium | ||||||||
| Many more applications | ||||||||
| Certifications | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5Ci | YubiKey 5C Nano | Security Key NFC by Yubico | Security Key by Yubico |
| FIDO U2F Certification | ||||||||
| FIDO2 Certification | ||||||||
| Communications Support | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5Ci | YubiKey 5C Nano | Security Key NFC by Yubico | Security Key by Yubico |
| USB-A | ||||||||
| USB-C | ||||||||
| Lightning | ||||||||
| NFC (Near Field Communications) | ||||||||
| Device Type | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5Ci | YubiKey 5C Nano | Security Key NFC by Yubico | Security Key by Yubico |
| HID Keyboard | ||||||||
| CCID Smart Card | ||||||||
| FIDO U2F (Universal 2nd Factor) HID device | ||||||||
| Cryptographic Specifications | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5Ci | YubiKey 5C Nano | Security Key NFC by Yubico | Security Key by Yubico |
| RSA 2048 | ||||||||
| RSA 4096 (PGP) | ||||||||
| ECC p256 | ||||||||
| ECC p384 |
OATH-TOTP requires additional appr — Yubico Authenticator; For YubiKey 5 NFC, FIDO certification applies to both the USB and NFC transports.
Other Offerings
Custom Programming
- YubiKeys can be programmed using Yubico’s Personalization Tools
- Other custom programming options are available
Discontinued Products
- For orders of 500 or more YubiKeys, Yubico can limit the functions to provide an equivalent set of features to match legacy Yubico products — contact Sales