
Description
StarTech.com PEX1S953LP 1-Port PCIe RS232 DB9 Serial Card 16950 UART Low Profile
This is a StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card with 16950 UART - Low Profile designed for Windows and Linux systems. The PEX1S953LP adds a high-speed RS232 DB9 serial port via a PCI Express slot, supporting devices like card readers, printers, PIN pads, and modems at up to 921.4 Kbps. MPN: PEX1S953LP; UPC: 065030881159. It features broad OS compatibility, a low-profile bracket pre-installed, and an optional full-profile bracket for versatile PC case installations.
Key Features & Optimal Technology
- 16950 UART Compatibility – Industry-standard for reliable serial communication with 128-byte FIFO buffers per transmitter and receiver.
- High-Speed Performance – Supports baud rates up to 921.4 Kbps and data bits of 5, 6, 7, 8, or 9.
- Power Output Option – Provides 5V or 12V on Pin 9 when external power is connected, ideal for powering serial peripherals.
- ASIX AX99100 Chipset – Ensures stable operation in PCI Express 1.1 compliant slots.
- Dual Bracket Design – Low-profile pre-configured with full-profile included for standard and slim PC cases.
- Maximum Compatibility – Works seamlessly with Windows and Linux in mixed environments.
- Lifetime Warranty – Backed by StarTech.com with free lifetime technical support.
Comprehensive Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | StarTech.com |
| Brand Name | StarTech.com |
| Manufacturer Part Number | PEX1S953LP |
| Product Name | 1-Port PCI Express Serial Card with 16950 UART - Low-Profile |
| Product Type | Serial Adapter |
| UPC | 065030881159 |
| Host Interface | PCI Express x1 |
| PCI Express Compliance | PCI Express 1.1 |
| UART Type | 16950 |
| Chipset | Asix AX99100 |
| Number of Serial Ports (External) | 1 (RS232 DB9) |
| Maximum Baud Rate | 921.4 Kbps |
| FIFO Buffer | 128-byte depth per transmitter and receiver |
| Data Bits Supported | 5, 6, 7, 8, 9 |
| Power Output | 5/12V on Pin 9 (with external power connected) |
| Platform Supported | PC, Linux, Windows |
| Form Factor | Plug-in Card |
| Card Height | Low-profile |
| Card Dimensions (HxWxL) | 5.9" x 2.6" x 3.9" |
| Card Weight (Approximate) | 1.60 oz |
| Package Weight | 0.20 lbs |
| Package Dimensions (HxWxD) | 1.30" x 6.80" x 5.60" |
| Country of Origin | Taiwan |
| Environmental Compliance | RoHS, REACH, WEEE |
| Warranty | StarTech.com Lifetime Warranty |
Package Contents & Installation Overview
- 1 x 1-Port PCI Express Serial Card with 16950 UART - Low-Profile
- 1 x Full-Profile Bracket
- 1 x User Manual
Installation is straightforward: Insert into an available PCIe x1 slot, secure the bracket (low-profile or full-profile as needed), and install drivers for Windows or Linux. Pro tip: Verify PCIe slot compatibility and power connections for peripherals requiring Pin 9 output.
Why Choose StarTech.com PEX1S953LP Serial Adapter?
This PCIe serial card delivers reliable RS232 connectivity for legacy devices in modern systems, with advanced UART features and flexible bracketing for easy integration into desktops or low-profile builds.
Add reliable serial connectivity—Order the StarTech.com PEX1S953LP today!
Type: Serial Adapter
MPN: PEX1S953LP
Compatible Brand: StarTech.com
Country of Origin: Taiwan
Compatible Port: PCI Express x1
External Interfaces: Serial (RS-232)
Number of Ports: 1 Port
Model: PEX1S953LP
Manufacturer Warranty: Lifetime
Brand: Does not apply
UPC: 065030881159
