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    Yubico YubiKey 5C – Multi-Factor Authentication (MFA) Security Key & Passkey, FIDO2/U2F Certified, Keychain Design - Connected via USB-C – Works with PC, Mac, Android & iPhone

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    • YubiKey 5 Nano
    • YubiKey 5 NFC
    • YubiKey 5C
    • YubiKey 5C Nano
    • YubiKey 5C NFC
    • YubiKey 5Ci
    • SIMPLE - Most effective way to protect against account takeovers
    • EASY - Intuitive user experience and fast setup, deployment, and use
    • SCALABLE- Integrates with systems tailored for all business types and sizes
    • EFFICIENT- Reduce helpdesk tickets for password reset or account lockout
    • MULTI-PROTOCOL - Bridge between authentication methods and systems
    • WORKS - YubiKey 5 Series Works with the most web services
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    Overview
    Specs
    Reviews (1)
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    YubiKey 5 Series

    Multi-protocol security key, eliminate account takeovers with strong two-factor, multi-factor and passwordless authentication, and seamless touch-to-sign. Multi-protocol support allows for strong security for legacy and modern environments. And a full range of form factors allows users to secure online accounts on all of the devices that they love, across desktops and mobile.

    • Multi-protocol support; FIDO2, U2F, Smart card, OTP, OpenPGP 3
    • USB-A, USB-C, NFC, Lightning
    • IP68 rated: dust tight and water submersible
    Strong 2 Factor
    Strong two-factor

    Hardware authenticator as a second factor, in addition to a password, in a strong two factor authentication solution.

    Strong MultiFactor
    Strong multi-factor

    Combination of a hardware authenticator with a PIN to secure high assurance requirements such as financial transactions or submitting a prescription.

    Passwordless
    Passwordless

    Hardware authenticator delivering strong single factor authentication, replacing weak passwords, as part of a rapid but secure tap-n-go experience.

    Works with hundreds of services
    Works with hundreds of services

    The YubiKey works with Windows and Mac login, Gmail, Dropbox, Facebook, Salesforce, Duo, and many more services.

     

    • SECURITY KEY: Protect your online accounts against unauthorized access by using 2 factor authentication with the Yubico YubiKey security key.
    • FIDO: The YubiKey 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, 1Password, accounts and more.
    • COMMUNICATIONS: Available with USB-A, USB-C, Lightning, NFC. Insert the YubiKey into a USB port and tap to gain access.
    • NFC-ENABLED: Touch-based authentication for NFC supported devices.
    • DURABLE AND SECURE: Extremely secure and durable, YubiKeys are tamper resistant, water resistant, and crush resistant.
    • MULTI-PROTOCOL SUPPORT: FIDO2, FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, Smart card (PIV), OpenPGP, and Challenge-Response capability to give you strong hardware-based authentication.

    5C TWO FACTOR AUTH SEC KEY BLISTER PACK USB C PORT

    • Security key: protect your online accounts by dual factor authentication with the Yubico YubiKey 5C security key the most powerful USB security key in the world that supports more Internet services and apps than any other from unauthorized access.
    • FIDO: The YubiKey 5C is FIDO certified and supports Google Chrome as well as any other FIDO compliant application on Windows, Mac OS or Linux. Secure your login and protect your Gmail, Facebook, Dropbox, Outlook, LastPass, Dashlane, 1Password Accounts and many more.
    • Suitable for USB C ports: Once registered, each service prompts you to plug in the YubiKey PC Security Key into a USB C port and tap the golden contact to get access.
    • DURABLE AND SAFE: Extremely durable and safe YubiKeys are tamper proof, waterproof and kink proof. The YubiKey 5C is designed to protect your online accounts from phishing and accounts.
    • Multi protocol support: the YubiKey USB authenticator supports NFC and provides multi protocol support including FIDO (U2F, FIDO2), Yubico OTP, OATH TOTP, OATH HOTP, Smart card (PIV), OpenPGP as well as the ability to challenge response to guarantee you strong hardware based authentication..Memory Storage Capacity: 0.0

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 1 year
    • Limited Warranty period (labor): 1 year
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

    • Return for refund until: January 31, 2027
    • Return for replacement until: January 31, 2027
    • This item is covered by Newegg.com's Extended Holiday Return Policy.
    • 15% restocking fee may apply.
    • Read full return policy for details.

    Manufacturer Contact Info

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    The Yubico YubiKey 5C is a USB-C hardware security key for people who want an additional sign-in option for compatible accounts and services. It supports FIDO2/WebAuthn, OATH-TOTP, and smart-card/PIV authentication, making it suitable for both personal account protection and business deployments.

    Recommended For

    • People who regularly sign in on USB-C laptops or desktops and want a physical security key for supported email, password-manager, cloud, or developer accounts. The 5C supports FIDO2/WebAuthn and U2F, and needs no battery or network connection.
    • IT administrators, developers, and technically proficient users who need one USB-C key for supported services using different authentication protocols, including FIDO2/WebAuthn, OATH codes, PIV smart-card functions, or OpenPGP.
    • Security-conscious users who are willing to enroll the key separately with each compatible account and register a spare key to help retain access if the primary one is lost.
    • USB-C device users who primarily authenticate by plugging in a key rather than tapping a phone, and whose devices and sign-in services support the required authentication method.

    Real-World Use Scenarios

    • When signing in to a supported email, password-manager, or GitHub account, the user plugs the YubiKey into a USB-C port and confirms the prompt; this can replace entering a one-time code, or provide a phishing-resistant second step, depending on the service’s login setup.
    • For frequent logins on a USB-C laptop, a user keeps the key on their keychain and inserts it when a supported site asks for authentication; the login requires a physical confirmation rather than reading and typing an authenticator code.
    • When logging in on a compatible USB-C phone, the user connects the key to the phone instead of tapping it; whether it works depends on the service, app, browser, and device, so it may not be as straightforward as laptop sign-in.
    • To reduce the risk of being locked out after losing a daily key, a user registers a second YubiKey with important accounts and stores it separately; the spare only works for accounts where it was registered in advance.
    • A developer or system administrator can configure the key for SSH authentication to remote servers; after setup, connecting still requires the key, so it is useful when they want authentication tied to a physical device.

    Spec Summary

    AttributeValue
    Best ForMulti-factor authentication and account sign-in across the listed operating systems, using FIDO2/WebAuthn, OATH-TOTP, or smart-card/PIV authentication
    Authentication And CompatibilitySupports FIDO2, WebAuthn, OATH-TOTP, Smart Card, and PIV; compatible with Android, ChromeOS, iOS, Linux, Mac, and Windows
    Connectivity And DurabilityConnects via USB Type-C and has an IP68 rating
    Physical SpecificationsBlack plastic construction; 0.49 × 1.16 × 0.2 inches and 0.2 ounces
    PowerDoes not require batteries; batteries are not included
    Included Quantity1 item
    Model IdentifiersYubico YubiKey 5 Series, model YubiKey 5C; part number 100886 and model number Y-243