here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
![Norton 360 Deluxe 2026, Antivirus software for 3 Devices with Auto-Renewal – Includes Advanced AI Scam Protection, VPN & PC Cloud Backup [Download]](https://c1.neweggimages.com/ProductImageCompressAll60/32-119-001-10.jpg "Norton 360 Deluxe 2026, Antivirus software for 3 Devices with Auto-Renewal – Includes Advanced AI Scam Protection, VPN & PC Cloud Backup [Download]")
Yubico YubiKey 5 Nano – Multi-Factor Authentication (MFA) Security Key & Passkey, FIDO2/U2F Certified, Connected via USB-A – Protect Your Online Accounts
- Keep your online accounts safe from hackers with the YubiKey. Trustworthy and easy-to-use, it's your key to a safer digital world.
- Convenient: Connect the YubiKey 5 Nano to your your device via USB-A - The “nano” form-factor is designed to stay in your device, ensuring secure access to your accounts at all times.
- Versatile compatibility: Supported by Google and Microsoft accounts, password managers and hundreds of other popular services. It works with Windows, macOS, ChromeOS and Linux. "Works With YubiKey" lists compatible services.
- Multi-protocol: YubiKey 5 Series is the most versatile security key supporting multiple authentication protocols including FIDO2/WebAuthn (hardware bound passkey), FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, Smart card (PIV) and OpenPGP.
- Durable and reliable: High quality design and resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Manufactured in Sweden. Programmed in the USA.
+
+
Reviews
See all Q & A 
Any questions? Ask CelesteSM will help you find out quickly.
Try me now
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
- Return for refund until: January 31, 2026
- Return for replacement until: January 31, 2026
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- 15% restocking fee may apply.
- Read full return policy for details.
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, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.
Manufacturer Contact Info
LOADING...
The Yubico YubiKey 5 Nano is a USB-A hardware security key for people who want phishing-resistant sign-in and passkey support for compatible online accounts. Its compact design is made to stay plugged into a device, and it supports FIDO2/WebAuthn, U2F, and other authentication protocols.
Recommended For
- People who sign in repeatedly on a personal USB-A desktop or laptop and want a low-profile security key that can stay plugged in between sessions.
- USB-A workstation users who need one key for supported account sign-ins and other security workflows, such as FIDO2/WebAuthn, one-time passwords, PIV smart-card use, or OpenPGP.
- Laptop or desktop users who want a discreet, small key for a USB-A port rather than a larger key designed to be carried on a keychain.
- People who keep a separate key on a personal computer and carry another key for mobile or away-from-desk sign-ins.
Real-World Use Scenarios
- When signing in to a supported Google, Microsoft, or other online account on a USB-A computer, the user can choose the registered security key and confirm the prompt with the YubiKey instead of relying on a code sent by text or email.
- For a laptop or desktop used regularly at one desk, the Nano can remain inserted so it is ready when a site requests security-key authentication; this avoids fetching and plugging in a separate key, but a backup authentication method or key is still prudent.
- When a supported password manager asks for a hardware security key during sign-in, the YubiKey can provide that additional authentication step, keeping the login flow tied to the user's USB-A computer.
- In a workplace that supports security keys for services such as Microsoft accounts or identity platforms, an employee can use the Nano to complete a prompted sign-in without needing a phone-generated code; availability depends on the employer's configuration.
- A developer or administrator can configure the YubiKey for supported SSH authentication and use it when connecting to remote servers; this takes setup and compatible SSH software, so it is a specialized workflow rather than plug-and-play account login.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Compact USB-A authentication for securing accounts with multi-factor authentication and passkeys across supported operating systems |
| Authentication And Security | Supports FIDO2/WebAuthn, OATH-TOTP, OATH-HOTP, Yubico OTP, smart card/PIV and OpenPGP, with up to 100 FIDO2 passkey slots |
| Connectivity | USB Type-A connection |
| Platform Compatibility | Compatible with Android, ChromeOS, iOS, Linux, macOS and Windows |
| Durability And Construction | IP68-rated, water-resistant and crush-resistant, with a chrome enclosure |
| Physical Specifications | Black; 0.51 in deep × 0.47 in wide × 0.12 in high; weighs 0.2 oz |
| Power | Does not require batteries; batteries are not included |
| Storage And Transfer | 1 MB flash memory; read speed of 1 MB/s and write speed of 3 MB/s |
| Model Identifiers | Yubico YubiKey 5 Series, YubiKey 5 Nano; part number 100854; model number Y-240_SML |