Compare YubiKeys
| YubiKey 4 | YubiKey 4 Nano | YubiKey NEO | FIDO U2F Security Key | YubiKey NEO-n | YubiKey Edge, YubiKey Edge-n | YubiKey Standard, YubiKey Nano | |
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| Availability |  $40 per key |
 $50 per key |
 $50 per key |
 $18 per key |
 large-volume orders only: contact Sales |
 large-volume orders only: contact Sales |
 large-volume orders only: contact Sales |
| Our most impressive YubiKey yet: supports one-time password (OTP), smart card, and FIDO U2F with RSA 4096 OpenPGP | Supports OTP, smart card, and FIDO U2F; USB + NFC | Designed to only support the emerging authentication standard FIDO U2F | OTP, smart card, and FIDO U2F | OTP and FIDO U2F | OTP only |
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| Size | YubiKey 4 | YubiKey 4 Nano | YubiKey NEO | FIDO U2F Security Key |
YubiKey NEO-n | YubiKey Edge, YubiKey Edge-n |
YubiKey Standard, YubiKey Nano |
| 18mm x 45mm x 3mm, 3g | 12mm x 13mm x 3mm, 1g | 18mm x 45mm x 3mm, 3g | 18mm x 45mm x 3mm, 3g | 12mm x 13mm x 3mm, 1g | USB KEY: 18mm x 45mm x 3mm, 3g Mini USB KEY: 12mm x 13mm x 3mm, 1g |
USB KEY: 18mm x 45mm x 3mm, 3g Mini USB KEY: 12mm x 13mm x 3mm, 1g |
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| Functions | YubiKey 4 | YubiKey 4 Nano | YubiKey NEO | FIDO U2F Security Key |
YubiKey NEO-n | YubiKey Edge, YubiKey Edge-n |
YubiKey Standard, YubiKey Nano |
| Secure Static Passwords |  |
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| YubiKey OTP | |
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| OATH – HOTP (Event) | |
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| OATH – TOTP (Time) | |
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| PIV-Compliant Smart Card | |
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| OpenPGP | |
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| FIDO U2F (Universal Second Factor) | |
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| Secure Element | |
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| Top Applications | YubiKey 4 | YubiKey 4 Nano | YubiKey NEO | FIDO U2F Security Key |
YubiKey NEO-n | YubiKey Edge, YubiKey Edge-n |
YubiKey Standard, YubiKey Nano |
| Google Accounts (U2F) | |
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| GitHub (U2F) | |
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| Docker | |
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| Dropbox (U2F) | |
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| Salesforce (OTP) | |
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| LastPass password manager | |
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| Many more applications | |
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| Certifications | YubiKey 4 | YubiKey 4 Nano | YubiKey NEO | FIDO U2F Security Key |
YubiKey NEO-n | YubiKey Edge, YubiKey Edge-n |
YubiKey Standard, YubiKey Nano |
| FIDO Certification™ program | |
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| FIPS 140 Certification | |
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| Communications Support | YubiKey 4 | YubiKey 4 Nano | YubiKey NEO | FIDO U2F Security Key |
YubiKey NEO-n | YubiKey Edge, YubiKey Edge-n |
YubiKey Standard, YubiKey Nano |
| USB | |
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| NFC (Near Field Communication) | |
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| Device Type | YubiKey 4 | YubiKey 4 Nano | YubiKey NEO | FIDO U2F Security Key |
YubiKey NEO-n | YubiKey Edge, YubiKey Edge-n |
YubiKey Standard, YubiKey Nano |
| HID Keyboard | |
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| CCID Smart Card | |
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| FIDO U2F (Universal Second Factor) HID device | |
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| Cryptographic Specifications | YubiKey 4 | YubiKey 4 Nano | YubiKey NEO | FIDO U2F Security Key |
YubiKey NEO-n | YubiKey Edge, YubiKey Edge-n |
YubiKey Standard, YubiKey Nano |
| RSA 2048 | |
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| RSA 4096 | |
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| ECC p256 | |
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| ECC p384 | |
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| YubiKey 4 | |
|---|---|
| Availability | $40 per key |
| Our most impressive YubiKey yet: supports one-time password (OTP), smart card, and FIDO U2F with RSA 4096 OpenPGP | |
| Size | YubiKey 4 |
| 18mm x 45mm x 3mm, 3g | |
| Functions | YubiKey 4 |
| Secure Static Passwords | |
| YubiKey OTP | |
| OATH - HOTP (Event) | |
| OATH - TOTP (Time) | |
| PIV-Compliant Smart Card | |
| OpenPGP | |
| FIDO U2F (Universal Second Factor) | |
| Secure Element | |
| Top Applications | YubiKey 4 |
| Google Accounts (U2F) | |
| GitHub (U2F) | |
| Dropbox (U2F) | |
| Salesforce (OTP) | |
| LastPass password manager | |
| Many more applications | |
| Certifications | YubiKey 4 |
| FIDO Certification™ program | |
| FIPS 140 Certification | |
| Communications Support | YubiKey 4 |
| USB | |
| NFC (Near Field Communication) | |
| Device Type | YubiKey 4 |
| HID Keyboard | |
| CCID Smart Card | |
| FIDO U2F (Universal Second Factor) HID device | |
| Cryptographic Specifications | YubiKey 4 |
| RSA 2048 | |
| RSA 4096 | |
| YubiKey 4 Nano | |
|---|---|
| Availability | $40 per key |
| Our most impressive YubiKey yet: supports one-time password (OTP), smart card, and FIDO U2F with RSA 4096 OpenPGP | |
| Size | YubiKey 4 Nano |
| 12mm x 13mm x 3mm, 1g | |
| Functions | YubiKey 4 Nano |
| Secure Static Passwords | |
| YubiKey OTP | |
| OATH - HOTP (Event) | |
| OATH - TOTP (Time) | |
| PIV-Compliant Smart Card | |
| OpenPGP | |
| FIDO U2F (Universal Second Factor) | |
| Secure Element | |
| Top Applications | YubiKey 4 Nano |
| Google Accounts (U2F) | |
| GitHub (U2F) | |
| Dropbox (U2F) | |
| Salesforce (OTP) | |
| LastPass password manager | |
| Many more applications | |
| Certifications | YubiKey 4 Nano |
| FIDO Certification™ program | |
| FIPS 140 Certification | |
| Communications Support | YubiKey 4 Nano |
| USB | |
| NFC (Near Field Communication) | |
| Device Type | YubiKey 4 Nano |
| HID Keyboard | |
| CCID Smart Card | |
| FIDO U2F (Universal Second Factor) HID device | |
| Cryptographic Specifications | YubiKey 4 Nano |
| RSA 2048 | |
| RSA 4096 | |
| YubiKey NEO | |
|---|---|
| Availability | $50 per key |
| Supports OTP, smart card, and FIDO U2F; USB + NFC | |
| Size | YubiKey NEO |
| 18mm x 45mm x 3mm, 3g | |
| Functions | YubiKey NEO |
| Secure Static Passwords | |
| YubiKey OTP | |
| OATH - HOTP (Event) | |
| OATH - TOTP (Time) | |
| PIV-Compliant Smart Card | |
| OpenPGP | |
| FIDO U2F (Universal Second Factor) | |
| Secure Element | |
| Top Applications | YubiKey NEO |
| Google Accounts (U2F) | |
| GitHub (U2F) | |
| Dropbox (U2F) | |
| Salesforce (OTP) | |
| LastPass password manager | |
| Many more applications | |
| Certifications | YubiKey NEO |
| FIDO Certification™ program | |
| FIPS 140 Certification | |
| Communications Support | YubiKey NEO |
| USB | |
| NFC (Near Field Communication) | |
| Device Type | YubiKey NEO |
| HID Keyboard | |
| CCID Smart Card | |
| FIDO U2F (Universal Second Factor) HID device | |
| Cryptographic Specifications | YubiKey NEO |
| RSA 2048 | |
| RSA 4096 | |
| FIDO U2F Security Key | |
|---|---|
| Availability | $18 per key |
| Designed to only support the emerging authentication standard FIDO U2F | |
| Size | FIDO U2F Security Key |
| 18mm x 45mm x 3mm, 3g | |
| Functions | FIDO U2F Security Key |
| Secure Static Passwords | |
| YubiKey OTP | |
| OATH - HOTP (Event) | |
| OATH - TOTP (Time) | |
| PIV-Compliant Smart Card | |
| OpenPGP | |
| FIDO U2F (Universal Second Factor) | |
| Secure Element | |
| Top Applications | FIDO U2F Security Key |
| Google Accounts (U2F) | |
| GitHub (U2F) | |
| Dropbox (U2F) | |
| Salesforce (OTP) | |
| LastPass password manager | |
| Many more applications | |
| Certifications | FIDO U2F Security Key |
| FIDO Certification™ program | |
| FIPS 140 Certification | |
| Communications Support | FIDO U2F Security Key |
| USB | |
| NFC (Near Field Communication) | |
| Device Type | FIDO U2F Security Key |
| HID Keyboard | |
| CCID Smart Card | |
| FIDO U2F (Universal Second Factor) HID device | |
| Cryptographic Specifications | FIDO U2F Security Key |
| RSA 2048 | |
| RSA 4096 | |
| YubiKey NEO-n | |
|---|---|
| Availability | large-volume orders only: contact Sales |
| OTP, smart card, and FIDO U2F | |
| Size | YubiKey NEO-n |
| 12mm x 13mm x 3mm, 1g | |
| Functions | YubiKey NEO-n |
| Secure Static Passwords | |
| YubiKey OTP | |
| OATH - HOTP (Event) | |
| OATH - TOTP (Time) | |
| PIV-Compliant Smart Card | |
| OpenPGP | |
| FIDO U2F (Universal Second Factor) | |
| Secure Element | |
| Top Applications | YubiKey NEO-n |
| Google Accounts (U2F) | |
| GitHub (U2F) | |
| Dropbox (U2F) | |
| Salesforce (OTP) | |
| LastPass password manager | |
| Many more applications | |
| Certifications | YubiKey NEO-n |
| FIDO Certification™ program | |
| FIPS 140 Certification | |
| Communications Support | YubiKey NEO-n |
| USB | |
| NFC (Near Field Communication) | |
| Device Type | YubiKey NEO-n |
| HID Keyboard | |
| CCID Smart Card | |
| FIDO U2F (Universal Second Factor) HID device | |
| Cryptographic Specifications | YubiKey NEO-n |
| RSA 2048 | |
| RSA 4096 | |
| YubiKey Edge, YubiKey Edge-n | |
|---|---|
| Availability | large-volume orders only: contact Sales |
| OTP and FIDO U2F | |
| Size | YubiKey Edge, YubiKey Edge-n |
| USB KEY: 18mm x 45mm x 3mm, 3g Mini USB KEY: 12mm x 13mm x 3mm, 1g | |
| Functions | YubiKey Edge, YubiKey Edge-n |
| Secure Static Passwords | |
| YubiKey OTP | |
| OATH - HOTP (Event) | |
| OATH - TOTP (Time) | |
| PIV-Compliant Smart Card | |
| OpenPGP | |
| FIDO U2F (Universal Second Factor) | |
| Secure Element | |
| Top Applications | YubiKey Edge, YubiKey Edge-n |
| Google Accounts (U2F) | |
| GitHub (U2F) | |
| Dropbox (U2F) | |
| Salesforce (OTP) | |
| LastPass password manager | |
| Many more applications | |
| Certifications | YubiKey Edge, YubiKey Edge-n |
| FIDO Certification™ program | |
| FIPS 140 Certification | |
| Communications Support | YubiKey Edge, YubiKey Edge-n |
| USB | |
| NFC (Near Field Communication) | |
| Device Type | YubiKey Edge, YubiKey Edge-n |
| HID Keyboard | |
| CCID Smart Card | |
| FIDO U2F (Universal Second Factor) HID device | |
| Cryptographic Specifications | YubiKey Edge, YubiKey Edge-n |
| RSA 2048 | |
| RSA 4096 | |
| YubiKey Standard, YubiKey Nano | |
|---|---|
| Availability | large-volume orders only: contact Sales |
| OTP only | |
| Size | YubiKey Standard, YubiKey Nano |
| USB KEY: 18mm x 45mm x 3mm, 3g Mini USB KEY: 12mm x 13mm x 3mm, 1g | |
| Functions | YubiKey Standard, YubiKey Nano |
| Secure Static Passwords | |
| YubiKey OTP | |
| OATH - HOTP (Event) | |
| OATH - TOTP (Time) | |
| PIV-Compliant Smart Card | |
| OpenPGP | |
| FIDO U2F (Universal Second Factor) | |
| Secure Element | |
| Top Applications | YubiKey Standard, YubiKey Nano |
| Google Accounts (U2F) | |
| GitHub (U2F) | |
| Dropbox (U2F) | |
| Salesforce (OTP) | |
| LastPass password manager | |
| Many more applications | |
| Certifications | YubiKey Standard, YubiKey Nano |
| FIDO Certification™ program | |
| FIPS 140 Certification | |
| Communications Support | YubiKey Standard, YubiKey Nano |
| USB | |
| NFC (Near Field Communication) | |
| Device Type | YubiKey Standard, YubiKey Nano |
| HID Keyboard | |
| CCID Smart Card | |
| FIDO U2F (Universal Second Factor) HID device | |
| Cryptographic Specifications | YubiKey Standard, YubiKey Nano |
| RSA 2048 | |
| RSA 4096 | |
OATH-TOTP requires additional app, Yubico Authenticator; NFC is included on the larger, keychain form factor of the YubiKey NEO, however NFC is NOT included on the smaller form factor, the YubiKey NEO-n; For YubiKey NEO, FIDO certification applies to USB transport only. FIDO have not yet put in place a certification program for NFC transport.
Other Offerings
Large-volume Orders
Enterprises purchasing 500 or more keys can customize the programming of the YubiKey to suit their needs — contact Sales.
Special Products
YUBIKEY FOR BUSINESSES, INDIVIDUALS, DEVELOPERS
YubiKeys are used by businesses to secure Google Apps for Work, Google Drive for Work, Windows Login, Open PGP encryption, password management, CRM, and much more, plus YubiHSM secures secrets on servers. Find out more about YubiKey for Businesses.
Individuals use YubiKey to secure their accounts for Google (Gmail, Google Apps), WordPress, password managers, and many other applications that use two-factor authentication. Find out more about YubiKey for Individuals.
Developers can integrate two-factor authentication in minutes using our free open source software. Find out more about YubiKey for Developers.
Historically there has always been a trade-off between high security, great usability, and low cost. Find out how YubiKey changes this.