YubiKeys availability

YubiKey 4YubiKey 4 NANOYubiKey 4CYubiKey 4C NANOYubiKey NEOFIDO U2F Security KeyCustom Programmed
Availability
40 USD per key50 USD per key50 USD per key60 USD per key50 USD per key20 USD per key
USB authentication key, including strong crypto and touch-to-sign, plus One-Time-Password, smart card, and FIDO U2F; two sizesCombines USB and NFC for mobile communication, enables One-Time Password, smart card, and FIDO U2F authenticationUSB authentication key that works instantly with any service that supports FIDO U2FFor 500+ unit orders, Yubico can limit the YubiKey functions to match legacy Yubico products
Size18mm x 45mm x 3.3mm, 3g12mm x 13mm x 3.1mm, 1g12.5mm x 29.5mm x 5mm, 2g12mm x 10.1mm x 7mm, 1g18mm x 45mm x 3.3mm, 3g18mm x 45mm x 3.3mm, 3gKeychain or Nano size
FunctionsYubiKey 4YubiKey 4 NanoYubiKey 4CYubiKey 4C NANOYubiKey NEOFIDO U2FSecurity KeyCustom 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 ApplicationsYubiKey 4YubiKey 4 NanoYubiKey 4CYubiKey 4C NANOYubiKey NEOFIDO U2FSecurity KeyCustom Programmed
Google Accounts (U2F)
GitHub (U2F)
Docker
Dropbox (U2F)
Salesforce
LastPass password manager
Dashlane Premium password manager
Many more applications
CertificationsYubiKey 4YubiKey 4 NanoYubiKey 4CYubiKey 4C NANOYubiKey NEOFIDO U2FSecurity KeyCustom Programmed
FIDO Certification™ program
FIPS 140 Certification
Communications SupportYubiKey 4YubiKey 4 NanoYubiKey 4CYubiKey 4C NANOYubiKey NEOFIDO U2FSecurity KeyCustom Programmed
USB
USB-C
NFC (Near Field Communication)
Device TypeYubiKey 4YubiKey 4 NanoYubiKey 4CYubiKey 4C NANOYubiKey NEOFIDO U2FSecurity KeyCustom Programmed
HID Keyboard
CCID Smart Card
FIDO U2F (Universal Second Factor) HID device
Cryptographic SpecificationsYubiKey 4YubiKey 4 NanoYubiKey 4CYubiKey 4C NANOYubiKey NEOFIDO U2FSecurity KeyCustom Programmed
RSA 2048
RSA 4096
ECC p256
ECC p384

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