Yubico YubiKey 5C Nano Security Key (USB-C)
Yubico YubiKey 5C Nano Security Key (USB-C)
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Features and Specifications
Features and Specifications
Keep your online accounts safe from hackers with the Yubico YubiKey 5C Nano — an ultra-compact, multi-protocol hardware security key designed to stay in your laptop's USB-C port. Two-factor authentication with user touch and PIN, plus secure logon to Windows, servers, workstations, RDP, Linux, macOS and other applications.
Why buy this: All the protocols of the YubiKey 5 Series in a tiny form factor you can leave plugged into your USB-C port — always there when you need it. Made in Sweden.
Key Features
- Stays in your device: The nano form factor sits almost flush in a USB-C port, so secure access is always one touch away.
- Versatile compatibility: Supported by Google and Microsoft accounts, password managers and hundreds of other services. Works with Windows, macOS, ChromeOS and Linux, plus USB-C Android phones and iPads.
- Multi-protocol: FIDO2/WebAuthn (hardware-bound passkeys), FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, Smart Card (PIV) and OpenPGP — all on one key.
- Passwordless ready: Stores up to 100 passkeys for fast, phishing-resistant sign-in.
- Durable and reliable: Glass-fiber reinforced body, IP68 water and dust resistant, crush resistant. No batteries, no moving parts, no network needed.
- Yubico Authenticator app: Store up to 64 TOTP/HOTP accounts on the key and generate codes on your computer.
Strong Authentication
The YubiKey 5 Series combines hardware-based authentication with public key cryptography to defend against phishing and stop account takeovers. Beyond standard two-factor authentication, it supports single-factor passwordless login and multi-factor authentication using touch and PIN.
Passwordless Enabled
With full FIDO2 support, the YubiKey helps individuals and organisations move away from weak passwords altogether — replacing them with strong, hardware-backed single-factor login while still supporting today's 2FA.
Easy, Fast and Reliable
Just touch the key to authenticate. Authentication is up to 4x faster than OTP or SMS codes, and since the key needs no battery or network connection, it is always ready to use.
Lower IT Support Costs
In Google's rollout to employees across 70+ countries, YubiKeys cut password-related support incidents by 92%. Broad protocol support means faster, cheaper deployments across systems and services.
Trusted by Industry Leaders
Used by 9 of the top 10 technology companies, 4 of the top 10 US banks and 2 of the top 3 global retailers. Google, Facebook, Salesforce and thousands more rely on the YubiKey to protect access to computers, networks and online services.
Works With
Google Account / Google Workspace, Microsoft account, Microsoft 365, Microsoft Entra ID (Azure AD), Apple ID, Facebook, X (Twitter), Salesforce, Dropbox, Dropbox Business, 1Password, Bitwarden, Keeper, AWS IAM, Okta, Duo, Ping Identity, OneLogin and many more.
Technical Specifications
| Brand | Yubico |
| Model | YubiKey 5C Nano (YubiKey 5 Series) |
| Part Number | 100898 |
| EAN / GTIN | 5060408461518 |
| Authentication | Two-Factor, Multi-Factor, Passwordless (Touch + PIN) |
| Interface | USB-C 2.0 (no NFC) |
| Device Type | HID Keyboard, CCID Smart Card, FIDO HID |
| FIDO Support | FIDO2 (CTAP 2.1, Level 2 certified), FIDO U2F, WebAuthn |
| Other Protocols | Yubico OTP, OATH-TOTP, OATH-HOTP, Smart Card (PIV), OpenPGP, Challenge-Response, Static Password |
| Passkey (FIDO2) Slots | 100 |
| OATH Slots | 64 |
| PIV Certificates | 24 |
| OTP Slots | 2 |
| Cryptography | RSA 1024/2048/3072/4096; ECC P-256, P-384; Ed25519, X25519, secp256k1, brainpool P256/P384/P512 |
| Secure Element | Yes |
| Water / Dust Resistance | IP68 |
| Crush Resistance | Up to 25 N·m |
| Dimensions | 12 x 10.1 x 7 mm |
| Weight | 1 g |
| Power Consumption | <150 mW (no battery required) |
| Operating Temperature | 0°C to 40°C |
| USB Insertion Cycles | 100,000+ |
| Compliance | RoHS, CE, FCC, UKCA |
| Made In | Sweden |
In the Box
- 1 x Yubico YubiKey 5C Nano
FAQs
Why is a security key safer than SMS OTP or an authenticator app?
SMS codes can be intercepted through phishing, SIM swaps or malware, and app codes can be typed into fake sites. A FIDO2 key only responds to the genuine website, and it needs to be physically present — so remote attacks are far harder.
Can I leave it plugged in all the time?
Yes — that is what the nano design is for. It still needs a physical touch to authenticate, so it cannot be used remotely.
What if I lose my key?
Register a backup key or alternate sign-in method on each account. Lost keys can be removed from your accounts (or revoked by your IT admin) at any time.