YubiKey NEO


Note: This article lists the technical specifications of the YubiKey NEO. If you're looking for setup instructions for your YubiKey NEO, see https://www.yubico.com/start.

The YubiKey NEO has five distinct applications, which are all independent of each other and can be used simultaneously. Note: Some software such as GPG can lock the CCID USB interface, preventing another software from accessing applications that use that mode.


The YubiKey NEO has USB 2.0 and NFC interfaces. All of the applications are available through these interfaces. The NFC interface also supports MIFARE Classic 1k. 



The OTP applet contains two programmable slots, each can hold one of the following credentials:

  • Yubico OTP
  • HMAC-SHA1 Challenge-Response
  • Static Password

USB Interface: OTP


The U2F application can hold an unlimited number of U2F credentials and is FIDO certified.

USB Interface: FIDO


The YubiKey NEO series can hold up to 28 OATH credentials and supports both OATH-TOTP (time based) and OATH-HOTP (counter based). Accessing this applet requires Yubico Authenticator.

USB Interface: CCID

PIV (Smart Card)

This application provides a PIV compatible smart card. On Windows, the smart card functionality can be enhanced with the YubiKey Smart Card Minidriver.

Supported Algorithms:

  • RSA 1024
  • RSA 2048

USB Interface: CCID


This application implements version 2.0 of the OpenPGP Smart Card specification which can be used with GnuPG. 

Supported Algorithms:

  • RSA 1024
  • RSA 2048

USB Interface: CCID

Physical Specifications

Form Factor

Connector: USB-A
Dimensions: 18mm x 45mm x 3.3mm
Weight: 3g


Operational range: 0 °C to 40 °C (32 °F to 104 °F)
Storage range: -20 °C to 85 °C (-4 °F to 185 °F)