STARTECH.COM 4 Port PCI Express RS232 Serial Adapter Card - 16950 UART - Full Profile - PEX4S952 Replacement
Manufacturer: STARTECH
ID: PEX4S953
14590€
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Multitronic Vaasa
Multitronic Pietarsaari
Multitronic Jyväskylä
Multitronic Lappeenranta
Multitronic Mariehamn
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| Technical details | |
| Compliance certificates | RoHS |
| System requirements | |
| Windows operating systems supported | Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64 |
| Linux operating systems supported | ![]() |
| Server operating systems supported | Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016 |
| Ports & interfaces | |
| Serial interface type | RS-232 |
| Serial ports quantity | 4 |
| Host interface | PCIe |
| Output interface | Serial |
| Expansion card form factor | Full-height / Low-profile |
| Weight & dimensions | |
| Weight | 50 g |
| Height | 15 mm |
| Width | 63 mm |
| Depth | 75 mm |
| Operational conditions | |
| Operating relative humidity (H-H) | 5 - 85% |
| Storage temperature (T-T) | -20 - 100 °C |
| Operating temperature (T-T) | -10 - 80 °C |
| Packaging data | |
| Package weight | 371 g |
| Quantity | 1 |
| Cables included | Serial |
| Package depth | 216 mm |
| Package height | 54 mm |
| Package width | 152 mm |
| Quick installation guide | ![]() |
| Mounting brackets included | ![]() |
| Design | |
| Internal | ![]() |
| Certification | CE, FCC, Microsoft WHQL |
| Mean time between failures (MTBF) | 214358 h |
| Product colour | Green |
| Features | |
| Chipset | Asix AX99100 |
| Baud rate | 921.6 Kbit/s |
| Data bits | 5, 6, 7, 8, 9 |
| Stop bits | 1, 1.5, 2 |
| Parity bit | Even, Mark, No, Odd, Space |
| Flow Control type | No, RTS/CTS, XON/XOFF |
| FIFO (First In, First Out) | 256 B |
| Logistics data | |
| Master (outer) case height | 246 mm |
| Master (outer) case width | 344 mm |
| Master (outer) case length | 474 mm |
| Products per master (outer) case | 16 pc(s) |
| Harmonized System (HS) code | 84733020 |
| EAN | 0065030888257 |
| Warranty | 30 years |
| Source: Icecat.biz | |
PCI Express to Serial Adapter | 921.6Kbps | Windows® and Linux® Compatible
This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. The 4 port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.6Kbps.
Maximum Compatibility
With broad OS support, including for Windows and Linux, this multiport PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-sized bracket, and includes an optional low-profile bracket, so installation is easy regardless of the case form factor. This expansion card is a direct replacement for PEX4S952 .
Experience Optimal Technology
This PCIe to serial adapter supports the following features:
• Industry standard 16950 UART compatible
• Supports max baud rate of up-to 921.6Kbps
• Provides 5/12V power output on Pin 9 when external power is connected
• 256-byte depth FIFO cache per transmitter and receiver
• Supports 9, 8, 7, 6, 5 data bits (one per port)
• Asix AX99100A chipset
• Base PCI Express 1.1 compliant
The Choice of IT Pros Since 1985
StarTech.com conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.
This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. The 4 port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.6Kbps.
Maximum Compatibility
With broad OS support, including for Windows and Linux, this multiport PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-sized bracket, and includes an optional low-profile bracket, so installation is easy regardless of the case form factor. This expansion card is a direct replacement for PEX4S952 .
Experience Optimal Technology
This PCIe to serial adapter supports the following features:
• Industry standard 16950 UART compatible
• Supports max baud rate of up-to 921.6Kbps
• Provides 5/12V power output on Pin 9 when external power is connected
• 256-byte depth FIFO cache per transmitter and receiver
• Supports 9, 8, 7, 6, 5 data bits (one per port)
• Asix AX99100A chipset
• Base PCI Express 1.1 compliant
The Choice of IT Pros Since 1985
StarTech.com conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.
Multitronic Vaasa: 0 pcs
Estimated delivery: 11.11 - 14.11
Estimated delivery: 11.11 - 14.11
Today: 10:00 - 18:00
Multitronic Pietarsaari: 0 pcs
Estimated delivery: 11.11 - 14.11
Estimated delivery: 11.11 - 14.11
Today: 09:00 - 17:00
Multitronic Jyväskylä: 0 pcs
Estimated delivery: 11.11 - 14.11
Estimated delivery: 11.11 - 14.11
Today: 10:00 - 17:00
Multitronic Lappeenranta: 0 pcs
Estimated delivery: 11.11 - 14.11
Estimated delivery: 11.11 - 14.11
Today: 10:00 - 18:00
Multitronic Mariehamn: 0 pcs
Estimated delivery: 11.11 - 14.11
Estimated delivery: 11.11 - 14.11
Today: 10:00 - 17:00
Fetch from the shop
Estimated delivery time: 11.11 - 14.11
Estimated delivery time: 11.11 - 14.11
Posti: Parcel lockers and service points
Estimated delivery time: 11.11 - 13.11
Estimated delivery time: 11.11 - 13.11
Posti: Postal package
Estimated delivery time: 12.11 - 14.11
Estimated delivery time: 12.11 - 14.11
Matkahuolto: Parcel lockers and service points
Estimated delivery time: 12.11 - 14.11
Estimated delivery time: 12.11 - 14.11
Posti: Doorstep delivery
Estimated delivery time: 12.11 - 13.11
Estimated delivery time: 12.11 - 13.11
Matkahuolto: Business Parcel
Estimated delivery time: 11.11 - 14.11
Estimated delivery time: 11.11 - 14.11
Matkahuolto: Home Parcel
Estimated delivery time: 11.11 - 14.11
Estimated delivery time: 11.11 - 14.11
Posti: Home delivery
Estimated delivery time: 12.11 - 13.11
Estimated delivery time: 12.11 - 13.11
- leaflet (English)
- manual pdf (English)
- leaflet (English)
The above technical details are for reference only and may change without notice. We reserve the right to correct printing errors and use illustrations for guidance. Some text may be auto-generated or machine-translated, which could lead to inaccuracies.

