Sunix SER6456A-B PCI Express 4-Port RS-232 Interface Card with DB44 to 4-Port DB9 Cable –

The Sinux SER6456A-B PCI Express Interface Card is engineered to deliver high-performance serial connectivity for industrial systems, automation environments, and professional workstations requiring multiple RS-232 connections. With four fully independent serial ports and advanced hardware flow control, it ensures stable, lossless communication even under demanding data transfer conditions. Designed on native PCI Express architecture, it provides superior reliability and compatibility with modern operating systems.

Ideal for engineers, system integrators, and IT professionals, this card offers plug-and-play deployment and supports a wide range of operating systems including Windows, Linux, and Unix variants. With built-in ±15kV ESD protection and open box condition in excellent working order, it offers enterprise-grade performance at exceptional value.

Key Features & Benefits

4-Port RS-232 Connectivity Enables connection of multiple serial devices such as sensors, industrial equipment, and POS systems
Native PCI Express Architecture Ensures high bandwidth, low latency communication without bridge chips
±15kV ESD Protection Industrial-grade protection ensures reliability and device safety in harsh environments
Wide OS Compatibility Supports Windows, Linux, DOS, and embedded systems out of the box
Excellent Condition Fully tested, includes required connection cable, offering cost-effective deployment

Ideal Uses

Industrial automation and control systems
Point-of-Sale terminals and retail connectivity
Data acquisition systems and test instrumentation
Professional workstations requiring legacy RS-232 device integration

Specifications

Condition: Device in excellent working condition. Fully tested and 100% functional
Product Type: Interface Card / Expansion Card
Manufacturer & Model: Sinux SER6456A-B
Interface: PCI Express 2.0 (Single-Lane x1, compatible with x2/x4/x8/x16 slots)
Ports: 4 x RS-232 via DB44 to 4-Port DB9 Male Cable
Controller: SUNIX SUN2410 Native PCIe UART
Baud Rate: 50bps to 115.2Kbps
Flow Control: Xon/Xoff, RTS/CTS
ESD Protection: ±15kV (Human Body Model, Air Gap Discharge)
Supported Operating Systems: Windows XP to Windows 11, Windows Server editions, Linux, DOS, FreeBSD
Form Factor: Standard PCIe Card
Environmental Tolerance: Operating Temperature 0°C to 60°C; Storage -20°C to 85°C
Warranty: 12 Month Carry-in Warranty
What's in the Box: Sinux SER6456A-B PCI Express Card, DB44 to 4-Port DB9 Male Cable