| YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5C Nano | |
|---|---|---|---|---|---|
| Availability |  |
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 |
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| Size | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5C Nano |
| 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 10.1mm x 7mm, 1g | |
| Functions | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5C Nano |
| Secure Static Passwords | |||||
| Yubico OTP | |||||
| OATH – HOTP (Event) | |||||
| OATH – TOTP (Time) | |||||
| Smart Card (PIV-Compatible) | |||||
| OpenPGP | |||||
| FIDO U2F (Universal Second Factor) | |||||
| FIDO2 | |||||
| Secure Element | |||||
| Top Applications | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5C Nano |
| Google Accounts | |||||
| Facebook Accounts | |||||
| GitHub | |||||
| Docker | |||||
| Dropbox | |||||
| Salesforce | |||||
| LastPass Premium password manager | |||||
| Dashlane Premium password manager | |||||
| Many more applications | |||||
| Certifications | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5C Nano |
| FIDO U2F Certification™ | |||||
| FIDO2 Certification™ | |||||
| Communications Support | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5C Nano |
| USB-A | |||||
| USB-C | |||||
| NFC (Near Field Communication) | |||||
| Device Type | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5C Nano |
| HID Keyboard | |||||
| CCID Smart Card | |||||
| FIDO HID | |||||
| Cryptographic Specifications | YubiKey 5 NFC | YubiKey 5C NFC | YubiKey 5 Nano | YubiKey 5C | YubiKey 5C Nano |
| RSA 2048 | |||||
| RSA 4096 (PGP) | |||||
| ECC p256 | |||||
| ECC p384 |
| YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C Nano | YubiKey NEO | |
|---|---|---|---|---|---|
| Availability |  |
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| USB authentication key, including strong crypto and touch-to-sign, plus One-Time-Password, smart card, and four form factors | Combines USB and NFC for mobile communication, enables One-Time Password, smart card, and authentication | ||||
| Size | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C Nano | YubiKey NEO |
| 18mm x 45mm x 3.3mm, 3g | 12mm x 13mm x 3.1mm, 1g | 12.5mm x 29.5mm x 5mm, 2g | 12mm x 10.1mm x 7mm, 1g | 18mm x 45mm x 3.3mm, 3g | |
| Functions | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C Nano | YubiKey NEO |
| Secure static passwords | |||||
| Yubico OTP | |||||
| OATH – HOTP (Event) | |||||
| OATH – TOTP (Time) | |||||
| Smart card (PIV-Compatible) | |||||
| OpenPGP | |||||
| FIDO U2F (universal second factor) | |||||
| FIDO2 | |||||
| Secure element | |||||
| Top Applications | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C Nano | YubiKey NEO |
| Google accounts | |||||
| Facebook accounts | |||||
| GitHub | |||||
| Dropbox | |||||
| Salesforce | |||||
| LastPass premium password manager | |||||
| Dashlane premium password manager | |||||
| Many more applications | |||||
| certifications | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C Nano | YubiKey NEO |
| FIDO U2F certification™ | |||||
| FIPS 140-2 Certification | For FIPS 140-2 Certified YubiKeys, select YubiKey FIPS Series | ||||
| Communications Support | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C Nano | YubiKey NEO |
| USB-A | |||||
| USB-C | |||||
| NFC (near field communication) | |||||
| Device Type | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C Nano | YubiKey NEO |
| HID keyboard | |||||
| CCID smart card | |||||
| FIDO HID | |||||
| Cryptographic Specifications | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C Nano | YubiKey NEO |
| RSA 2048 | |||||
| RSA 4096 (PGP) | |||||
| ECC p256 | |||||
| ECC p384 | |||||
| YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS | |
|---|---|---|---|---|
| Availability |  |
 |
 |
 |
| USB authentication key, including strong crypto and touch-to-sign, plus One-Time-Password, smart card, and four form factors | ||||
| Size | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| 18mm x 45mm x 3.3mm, 3g | 12mm x 13mm x 3.1mm, 1g | 12.5mm x 29.5mm x 5mm, 2g | 12mm x 10.1mm x 7mm, 1g | |
| YubiKey Tools | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| YubiKey Manager | ||||
| Yubico Authenticator | ||||
| Personalization Tool | ||||
| Functions | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| Secure static passwords | ||||
| Yubico OTP | ||||
| OATH – HOTP (Event) | ||||
| OATH – TOTP (Time) | ||||
| Smart card (PIV-Compatible) | ||||
| OpenPGP | ||||
| FIDO U2F (Universal Second Factor) | ||||
| FIDO2 | ||||
| Secure element | ||||
| Top Applications | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| Google Accounts | ||||
| Facebook Accounts | ||||
| GitHub | ||||
| Dropbox | ||||
| Salesforce | ||||
| LastPass Premium password manager | ||||
| Dashlane Premium password manager | ||||
| Many more applications | ||||
| Certifications | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| FIDO U2F Certification™ | ||||
| FIPS 140-2 Certification | ||||
| Communications Support | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| USB-A | ||||
| USB-C | ||||
| NFC (Near Field Communication) | ||||
| Device Type | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| HID Keyboard | ||||
| CCID Smart Card | ||||
| FIDO HID | ||||
| Cryptographic Specifications | YubiKey FIPS | YubiKey Nano FIPS | YubiKey C FIPS | YubiKey C Nano FIPS |
| RSA 2048 | ||||
| RSA 4096 (PGP) | ||||
| ECC p256 | ||||
| ECC p384 | ||||