YubiKeys availability
| YubiKey 4 | YubiKey 4 NANO | YubiKey 4C | YubiKey 4C NANO | YubiKey NEO | FIDO U2F Security Key | Custom Programmed | |
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| Availability |  |
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| 40 USD per key | 50 USD per key | 50 USD per key | 60 USD per key | 50 USD per key | 20 USD per key | ||
| USB authentication key, including strong crypto and touch-to-sign, plus One-Time-Password, smart card, and FIDO U2F; two sizes | Combines USB and NFC for mobile communication, enables One-Time Password, smart card, and FIDO U2F authentication | USB authentication key that works instantly with any service that supports FIDO U2F | For 500+ unit orders, Yubico can limit the YubiKey functions to match legacy Yubico products | ||||
| Size | 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 | 18mm x 45mm x 3.3mm, 3g | Keychain or Nano size |
| Functions | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C NANO | YubiKey NEO | FIDO U2FSecurity Key | Custom Programmed |
| Secure Static Passwords | |||||||
| Yubico OTP | |||||||
| OATH – HOTP (Event) | |||||||
| OATH – TOTP (Time) | |||||||
| PIV-Compliant Smart Card | |||||||
| OpenPGP | |||||||
| FIDO U2F (Universal Second Factor) | |||||||
| Secure Element | |||||||
| Top Applications | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C NANO | YubiKey NEO | FIDO U2FSecurity Key | Custom Programmed |
| Google Accounts (U2F) | |||||||
| GitHub (U2F) | |||||||
| Docker | |||||||
| Dropbox (U2F) | |||||||
| Salesforce | |||||||
| LastPass password manager | |||||||
| Dashlane Premium password manager | |||||||
| Many more applications | |||||||
| Certifications | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C NANO | YubiKey NEO | FIDO U2FSecurity Key | Custom Programmed |
| FIDO Certification™ program | |||||||
| FIPS 140 Certification | |||||||
| Communications Support | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C NANO | YubiKey NEO | FIDO U2FSecurity Key | Custom Programmed |
| USB | |||||||
| USB-C | |||||||
| NFC (Near Field Communication) | |||||||
| Device Type | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C NANO | YubiKey NEO | FIDO U2FSecurity Key | Custom Programmed |
| HID Keyboard | |||||||
| CCID Smart Card | |||||||
| FIDO U2F (Universal Second Factor) HID device | |||||||
| Cryptographic Specifications | YubiKey 4 | YubiKey 4 Nano | YubiKey 4C | YubiKey 4C NANO | YubiKey NEO | FIDO U2FSecurity Key | Custom Programmed |
| RSA 2048 | |||||||
| RSA 4096 | |||||||
| ECC p256 | |||||||
| ECC p384 | |||||||
Have any questions? Give us a shout!