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K40Plus FIDO NFC Plus USB-C

K40Plus FIDO NFC Plus USB-C for sale

K40Plus FIDO NFC Plus USB-C

  • FIDO U2F & FIDO2 certified security key
  • Identified as a standard HID device
  • FIDO U2F & FIDO2 & HOTP & TOTP & PIV & OPEN PGP
  • Interface Type: NFC & USB-C
  • Interface: NFC, USB
  • Smart card secure element and JavaCard operating system
  • Protect online accounts against unauthorized access by using 2FA, U2F, FIDO2
  • OTP (HOTP/TOTP)
  • PIV
  • OPEN PGP
  • Single authenticator could be used for multiple applications
  • Works with the latest Google Chrome or any other FIDO-compliant application on Windows, Mac OS or Linux (such as Gmail, Facebook, Dropbox, and many other services)
  • Durable and compact design
EITIAN ePass FIDO2 FIDO U2F USB C NFC Security Key K40

what the Feitian ePass FIDO NFC Plus USB‑C (K40+) is, and why it’s a strong security key choice K40Plus.


What Is the Feitian ePass FIDO NFC Plus USB-C (K40+)?

  • FIDO Certified: It supports FIDO U2F and FIDO2 protocols, making it phishing-resistant and suitable for modern two-factor or passwordless authentication.
  • Dual Interface: The key works via USB-C (for laptops, newer PCs) and NFC (for mobile devices).
  • Smart Card / PKI Support:
    • It has a PIV smartcard function, enabling smart-card style logins, document signing, etc.
    • It supports OpenPGP, so you can use it for email encryption / digital signatures.
  • Security Certifications:
    • FIPS 140-2 Level 2 certified for cryptographic security.
    • Physical security certified at Level 3.
  • OS & Platform Compatibility: Works with Android, Windows, macOS, Linux, Chrome OS.
  • Plug & Play: Recognized as a USB HID device, so no special drivers are needed.
  • Multiple Credentials: Can store multiple “residential credentials.” According to a spec sheet, it supports up to 44 slots.
  • One-Time Passwords: Supports OATH-based OTPs: HOTP and TOTP.
  • Compact & Durable Design: According to specs, it’s lightweight (about 7.2 g) and compact (51 × 19 × 7 mm).
  • Cryptography: Uses strong algorithms like ECC (P-256), SHA-256, AES.

Why Use It?

  • Provides phishing-resistant 2FA or passwordless login, making your accounts much safer.
  • Can be used across many devices — both desktops (USB-C) and mobile (NFC).
  • Supports secure smart-card functions (PIV), which is useful for enterprise use.
  • Portable and reliable, with certifications that ensure it’s not easily tampered with.

ePass FIDO USB A A4B 1
FIDO K28 2 2
FIDO K39 1 2
FIDO K10 2 3

What is FIDO NFC Plus USB-C (K40Plus)?

FIDO NFC Plus USB A K9D

The Feitian ePass FIDO NFC Plus (K9D) is a hardware security key designed to strengthen your digital security using FIDO standards.

ePass FIDO-NFC K40Plus Product Flyer

Not Sure What ePass FIDO NFC Plus (K9D) and K40+ security keys Is Right For Your Company?

Buy FIDO NFC Plus USB-A K9D