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Dual connectors for versatile device compatibility.
Supports multiple authentication protocols.
Highly rated for enhanced security.
Main highlights
Versatile Authentication Options
Yubico YubiKey 5Ci offers dual connectors for Lightning and USB-C, supporting multiple protocols for comprehensive security.
Ideal for Multi-Device Users
Perfect for securing accounts across iOS, Android, and PC platforms with ease.
Praised for Security Enhancement
Customers appreciate the enhanced security and peace of mind it provides.
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How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
FIDO-ONLY FUNCTIONALITY: Supports FIDO2 (passkeys) and FIDO U2F protocols for passwordless and second-factor authentication. Does not support OTP, TOTP, Smart Card (PIV), or other advanced features - upgrade to YubiKey 5 Series for extended functionality.
DEVICE & OS COMPATIBILITY: Compatible with Windows, macOS, ChromeOS, and Linux. Works seamlessly with supported services like Google and Microsoft accounts, and major password managers. See the full compatibility list at "Works With YubiKey."
AFFORDABLE SECURITY SOLUTION: Designed as a cost-effective option for users focused on FIDO2 and U2F protocol-based authentication needs.
SECURITY KEY: Protect your online accounts against unauthorized access by using 2 factor authentication with the Yubico YubiKey 5 Nano security key - the world's most protective USB security key that works with more online services/apps than any other.
FITS USB-A PORTS: Once registered, each service will request you to insert the YubiKey PC security key into a USB-A port and simply tap to gain access. The extra compact size is designed to stay in the port so you can stay connected and secure anywhere.
FIDO: The YubiKey 5 Nano is FIDO certified and works with Google Chrome and any FIDO-compliant application on Windows, Mac OS or Linux. Secure your login and protect your Gmail, Facebook, Dropbox, Outlook, LastPass, Dashlane accounts, 1Password, and more.
UNIVERSALLY SUPPORTED – Works with all websites including Twitter, Facebook, GitHub, and Google. Onlykey supports multiple methods of two-factor authentication including FIDO2 / U2F, Yubico OTP, TOTP, Challenge-response.
PROTECT ONLINE ACCOUNTS – A password manager, two-factor security key, and secure communication token in one, OnlyKey can keep your accounts safe even if your computer or a website is compromised. OnlyKey is open source, verified, and trustworthy.
PORTABLE PROTECTION – Extremely durable, waterproof, and tamper resistant design allows you to take your OnlyKey with you everywhere.
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