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AC-Si5466HL+S

Sunix ser5466HL Low-profile 8 port high-speed serial pci-Express

Sunix - Sunix ser5466HL Low-profile 8 port high-speed serial pci-Express + Standard dual bracket, (16c950) RS232, (1x), 128byte hardware + 128k software FiFo, SUN1999 chipset with low power consumption, 921.6k bps, 15KV ESD protection + 15KV IEC1000-4-2 Air Gap Discharge + 8KV IEC1000-4-2 Contact Discharge
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Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. AC-Si5466HL+S Sunix ser5466HL Low-profile 8 port high-speed serial pci-Express is available from Laptop Direct and it is sold as new from our Multi-I/O PCI-Express interface range of products. For reference purposes, the price of R3195 is valid 2026-11-02, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the Multi-I/O PCI-Express interface category.
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Specification for the entire series

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AC-Si5466HL+S

Sunix ser5466HL Low-profile 8 port high-speed serial pci-Express

Sunix ser5466HL Low-profile 8 port high-speed serial pci-Express + Standard dual bracket, (16c950) RS232, (1x), 128byte hardware + 128k software FiFo, SUN1999 chipset with low power consumption, 921.6k bps, 15KV ESD protection + 15KV IEC1000-4-2 Air Gap Discharge + 8KV IEC1000-4-2 Contact Discharge

About this product

The Sunix SER5466HL is a low-profile PCI-Express serial expansion card designed to add 8 high-speed RS232 ports to modern systems. Built on the SUN1999 chipset with a 16C950 controller, it delivers reliable multi-port serial communication with large hardware and software FIFO buffers, strong ESD protection, and stable performance for industrial and commercial applications.

Overview Summary

Sunix SER5466HL 8 Port PCI-Express RS232 Serial Card

The Sunix SER5466HL provides a dependable solution for systems that require multiple RS232 serial connections. With 8 independent ports operating at speeds up to 921.6k bps, this PCI-Express card is suitable for demanding environments where stable data transmission is critical.

Its low-profile design with an included standard dual bracket ensures compatibility with both compact and full-height chassis. Advanced buffering with 128 byte hardware FIFO and 128k software FIFO improves throughput while reducing CPU load, making it ideal for continuous operation in professional installations.

What tier does this fall into?

Professional

What is this best for?

Industrial automation, POS systems, instrumentation, factory equipment, serial device integration, legacy hardware support

Overview

SUNIX SER5466HL, PCI Express serial communication boards meet the PCI Express Base Specification Revision 1.1. It is compatible with PCI Express x1, x2, x4, x8 and x16 lane Bus, allowing it to be installed in any slim size PC-based system with low profile bracket structure. The majorities of today's motherboards is not equipped with serial ports or only have one serial port. With SUNIX PCI Express serial board, users can add eight serial ports to their system, allowing them to use serial devices further. SUNIX SER5466HL card has 128-bytes onboard FIFO buffer and compatible with 16C950 UART specification. It is designed with SUNIX UART controller, SUN1999 and as well built with many of SUNIX advanced features and technologies, making it the best solution for commercial and industrial automation applications.

Description

The Sunix SER5466HL is engineered for professionals who require stable and scalable serial connectivity. Using a PCI-Express interface, it integrates seamlessly into modern systems while maintaining compatibility with legacy RS232 devices. The SUN1999 chipset and 16C950 controller ensure consistent performance and efficient power consumption.

Designed for continuous operation, the card features advanced ESD protection with support for up to 15KV air gap discharge and 8KV contact discharge, helping safeguard connected equipment in electrically noisy environments. Its dual bracket design allows easy installation in both low-profile and standard desktop systems.

Features

The SER5466HL combines performance, reliability, and flexibility for professional serial communication needs.

  • 8 x RS232 serial ports for multi-device connectivity
  • PCI-Express interface for modern system compatibility
  • Low-profile card with included standard dual bracket
  • 16C950 controller with SUN1999 chipset
  • High-speed data transfer up to 921.6k bps
  • 128 byte hardware FIFO and 128k software FIFO for improved throughput
  • Low power consumption design
  • 15KV ESD air gap discharge protection
  • 8KV IEC1000-4-2 contact discharge protection

Whats in the Box

  • Sunix SER5466HL PCI-Express serial card
  • Low-profile bracket pre-installed
  • Standard dual bracket

Specifications

© 2026 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications and features
Product Code AC-Si5466HL+Sspacer
Serial Communication
Interface RS-232
Controller SUNIX SUN1999 (16C950 UART Compatible)
Bus PCI Express one lane (x1)
No. of Port 8-port
IRQ & IO Assigned by System
FIFO 128 byte (Hardware)
Signal TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
Baud rate 50 bps to 921.6 Kbps
Data bit 5, 6, 7, 8
Stop bit 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control None, Xon/Xoff, RTS/CTS
Protection ±15KV ESD protection for each signal Human Body Model (HBM)
±15KV IEC1000-4-2 Air Gap Discharge
±8KV IEC1000-4-2 Contact Discharge
PCB connector SCSI 68 Female
Driver Support
Microsoft Client Windows XP/Vista/7 (X86/X64)
Microsoft Server Windows 2000/2003/2008 (X86/X64)
Microsoft Embedded Windows CE4.2/5.0/6.0/XP Embedded/POS Ready 2009/Embedded System 2009/Embedded Standard 7
Linux Linux 2.4.x / 2.6.x / 3.x
DOS DOS
FreeBSD FreeBSD 5.3~5.5 / 6.0~6.4
QNX QNX 6.3.2/6.4.0
* IBM OS/2 WARP 3/WARP 4
* SCO UnixWare UnixWare 7.1.3/7.1.4/ Open Server 5.0.7/6.0
* Sun Microsystems Solaris 10
Regulatory Approvals
Hardware EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, FCC Part 15 Class B, BSMI: CNS13438, C-Tick: CISPR22 AS/NZS, RoHS
Software Microsoft WHQL Windows
Microsoft Client: XP/Vista/7 (X86/X64)
Microsoft Server: 2000/2003/2008 (X86/X64)
Environment
Operation Temperature 0 to 60degreesC (32 to 140degreesF)
Operation Humidity 5 to 95% RH
Storage Temperature -20 to 85degreesC (-4 to 185degreesF)
Dimension
PCB Dimension -
Bracket Low Profile 80 mm
Bracket Space 1

FAQ

What systems is the Sunix SER5466HL compatible with?

This card is compatible with desktop systems that support PCI-Express expansion slots and require RS232 serial connectivity.

What type of serial devices can be connected?

The SER5466HL supports RS232 devices such as industrial controllers, POS systems, measurement instruments, and legacy communication equipment.

Is this card suitable for industrial environments?

Yes, it includes high-level ESD protection and stable buffering, making it suitable for continuous operation in industrial and commercial environments.

Does the card support both low-profile and standard cases?

Yes, the package includes both a low-profile bracket and a standard dual bracket for flexible installation.

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