BRAINBOXES 

PX-335 Brainboxes 4-port Serial Adapter

Mfg Part Number:  PX-335  
Image may not reflect the actual item.
Price: $385.62 + Free Shipping
Quantity:
More to Come
Last Updated: Aug 08, 2026
No Sales Tax except these states
, PO and Wire.

Low profile PCI Express Card providing four RS422/485 serial ports.. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8.

Main Specification
General Information
Manufacturer Brainboxes Limited
Manufacturer Part Number PX-335
Manufacturer Website Address http://www.brainboxes.com
Brand Name Brainboxes
Product Name 4 Port RS422/485 Low Profile PCI Express Serial Port Card
Product Type Multiport Serial Adapter
Technical Information
Host Interface PCI Express x1
Maximum Data Transfer Rate 7.20 Mbit/s
Platform Supported PC
Interfaces/Ports
Ports Expandability 4 x DB-9 RS-422/485 - Serial, Via Cable
Physical Characteristics
Form Factor Plug-in Card
Height 3.1"
Width 0.7"
Thickness 6.1"
Weight (Approximate) 2.50 oz
Miscellaneous
Package Contents
  • 4 Port RS422/485 Low Profile PCI Express Serial Port Card
  • Installation CD Including Manual
  • Microsoft Signed Drivers & Utilities
Country of Origin United Kingdom
TAA Compliant Yes
Environmentally Friendly Yes
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
product information
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
[0] [true] [Yes] [No] [No]