Compare YubiKey

Size	YubiKey 5 NFC	YubiKey 5 Nano	YubiKey 5C	YubiKey 5Ci	YubiKey 5C Nano	Security Key NFC от Yubico	Security Key by Yubico
	18mm x 45mm x 3.3mm, 3g	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 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 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 5 Nano	YubiKey 5C	YubiKey 5Ci	YubiKey 5C Nano	Security Key NFC by Yubico	Security Key by Yubico
FIDO U2F Certification
FIDO2 Certification
FIPS 140-2 Certification	For FIPS 140-2 certified YubiKey choose the YubiKey FIPS series	For FIPS 140-2 certified YubiKey choose the YubiKey FIPS series	For FIPS 140-2 certified YubiKey choose the YubiKey FIPS series	For FIPS 140-2 certified YubiKey choose the YubiKey FIPS series	For FIPS 140-2 certified YubiKey choose the YubiKey FIPS series	For FIPS 140-2 certified YubiKey choose the YubiKey FIPS series	For FIPS 140-2 certified YubiKey choose the YubiKey FIPS series
Communications Support	YubiKey 5 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 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 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