USB Serial Drivers for Apple's Mac OS X

Get here the drivers to enable the best performance of your USB to serial cables based on Prolific PL-2303 and Winchiphead CH-340 / CH-341 / HL-340 on your Apple Mac. We offer the best USB to serial drivers for PL-2303 and CH-340 / CH-341 / HL-340 for OS X. These chips are used in many USB Serial Cables and as bridge chip in Arduino boards.

Our drivers ensure reliable data transfer without any dataloss and handle DTR/CTS control correctly. They are easy to install without tweaking your kernel security settings and signed kexts for El Capitan, Mavericks and Yosemite, and support for PowerPC macs. Sending breaks for accessing Cisco equipment, and out of the box supporting more than 30 serial to usb converters.

Not convinced? Download the Serial Detect App to test if the drivers will work with your devices, and we offer support and money back guarantee.

  • PL-2303 Driver (V2.5.1)
  • RS-232 features: Reliable data transfer, baudrates up to 230400, Handshake signal control (CTS, DTR, etc), data bits (5, 6, 7, 8), Stop bits (1, 2), XON/XOFF support and sending break signals.
  • OS X Support: 10.12/10.11 (signed), 10.10/10.9 (signed),
    10.8, 10.7, 10.6, 10.5 (ppc)
  • Easy installation
  • HL-340 / CH-340 / CH-341 Driver (V2.5.1)
  • RS-232 features: Reliable data transfer, baudrates up to 230400, Handshake signal control (CTS, DTR, etc), data bits (5, 6, 7, 8), Stop bits (1, 2), XON/XOFF support and sending break signals.
  • OS X Support: 10.12/10.11 (signed), 10.10/10.9 (signed),
    10.8, 10.7, 10.6, 10.5 (ppc)
  • Easy installation

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