Prices are in US Dollars (US$). YUBIKEY 5 NFC USD$58.50 YubiKey 5 Nano USD$58.50 YubiKey 5C USD$58.50 Security Key NFC by Yubico USD$33.00 YUBIKEY 5Ci USD$79.90 YubiKey 5C nano USD$68.90 YubiKey 5C NFC USD$64.00 YubiKey Bio – FIDO Edition USD$91.50 YubiKey C Bio – FIDO Edition USD$98.40 Security Key C NFC by Yubico USD$37.20