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StarTech.com 4-Port PCI Express RS232 Serial Adapter Card, Low Profile, 921.6Kbps Transfer Speed, 16950 UART, 256-byte FIFO Cache, DB9 Ports, RoHS Compliant - PEX4S953LP (Lifetime Warranty)
FREE Express Shipping | FREE Returns
DB9 Serial
Transfer Speed
Chipset
FIFO Cache
Interface
Form Factor
--
hrs--
mins
Pairs well with
In stock! Ships within 1-2 business days.
30 days Free Return
Complimentary shipping & returns
Limited warranty: Lifetime
Key Features
- 🔌 4 RS232 DB9 serial ports via PCIe x1 slot
- ⚡ High-speed data transfer up to 921.6 Kbps
- 💾 256-byte FIFO cache per transmitter/receiver
- 🔧 16950 UART compatibility for enhanced performance
- 💻 Windows and Linux OS support
- 🔄 5/12V power output on Pin 9 with external power
- 📏 Low-profile design with included full-profile brackets
- ⚖️ Lifetime warranty coverage
- 🌱 RoHS, REACH, and WEEE certified environmentally friendly

StarTech.com 4-Port PCI Exp...

High-Performance PCIe Serial Card with Advanced UART Technology
Technical Specifications
- PCIe x1 interface for broad system compatibility
- 16950 UART architecture for reliable data handling
- 256-byte FIFO cache per port for efficient data transfer
Applications
- Industrial automation control systems
- Point-of-sale terminal connectivity
- Legacy device integration in modern systems

Industrial-Grade DB9 Serial Port Interface
Technical Specifications
- Standard DB9 RS232 serial interface
- Multiple data bit configuration support
- Secure mounting with metal bracket
Applications
- Manufacturing equipment connectivity
- Scientific instrument data collection
- Serial device testing and development

Compact Low-Profile Design with Advanced Circuitry
Technical Specifications
- Low-profile form factor design
- Asix AX99100 chipset implementation
- Multi-layer PCB with optimized layout
Applications
- Server room installations
- Compact industrial PCs
- Space-constrained system integration

Enhanced Power Management Architecture
Technical Specifications
- Configurable 5V/12V power output
- Advanced power management system
- PCIe power specification compliance
Applications
- Powered serial device integration
- Industrial sensor networks
- Automated control systems

High-Density Component Integration
Technical Specifications
- High-density PCB design
- Precision component placement
- Optimized signal routing
Applications
- High-speed data acquisition
- Mission-critical systems
- Complex industrial automation

Multi-Port Connectivity Solution
Technical Specifications
- Four independent RS232 serial ports
- Full breakout cable implementation
- Individual port isolation
Applications
- Multi-device monitoring systems
- Parallel data collection
- Multiple POS terminal management
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
We ship orders 24-48 hours after they have been placed. It might take up to an additional 48 hours to ship international orders.
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Refund Policy
Standard Return Policy:
We offer a hassle-free 30-day returns policy for domestic (US)
orders, excluding non-refundable items. Refund or Replacement within 30
days of the delivery date. All products that fall under the Standard
Return Policy qualify for our 30-Day Hassle-Free Returns.Replacement Only Return Policy:
Replacement within 30 days of the delivery date.
Manufacturer Only Return Policy:
Covered by the manufacturer's warranty. Please refer to the terms and
conditions for the manufacturer's warranty or contact the manufacturer.
Product details
General Information
Manufacturer
StarTech.com
Manufacturer Part Number
PEX4S953LP
Brand Name
StarTech.com
Product Name
4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - Low Profile
Packaged Quantity
1
Product Type
Multiport Serial Adapter
Technical Information
Host Interface
PCI Express 1.1 x1
Maximum Data Transfer Rate
921.60 kbit/s
UART Type
16950
Platform Supported
PC
Linux
Interfaces/Ports
Ports Expandability
4 x DB-9 RS-232 - Serial, Via Cable
Physical Characteristics
Form Factor
Plug-in Card
Miscellaneous
Package Contents
- 4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - Low Profile
- 1 x 4-Port DB9 Break-out Cable
- 1 x Full Profile Bracket
- 1 x Quick-Start Guide
Environmentally Friendly
Yes
Environmental Certification
RoHS
REACH
WEEE
Country of Origin
Taiwan
Warranty
Limited Warranty
Lifetime
Included in the Box
Serial Adapter Card
DB9 Breakout Cable
Full Profile Bracket
Quick-Start Guide
Accessories
Extension Cable
Male/Female
High Quality
Configuration
Lightweight
Monitor/Mouse
Extension Length
Serial Connector
Conductor
Certified
9-Pin
Male/Female
Null Modem
Dual Connectors
3.28 ft
Protected
28 AWG
Connectors
Molded
6.56 ft
Both Ends
Protected
28 AWG
Connectors
Molded