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StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows/Linux - TAA

STARTECH.COM  |  SKU: PEX4S953LP
Fast 24 to 72 hour delivery across Canada Get it between Wed 05 and Fri 07 Aug

Stock: 3253 units

Volume discount when you add 3+ units
$153.63 1 – 2 units
$152.09 3 – 5 units
$150.55 6 – 10 units
Best price
$149.02 11+ units

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Description

Product overview

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. 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 PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with low-profile brackets and includes optional full-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX4S952LP . Experience Optimal Technology • This PCIe to serial adapter supports the following features: • Compatible with industry-standard 16950 UART • 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 AX99100 chipset 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. PEX4S03LP is backed by a StarTech.com...

Why choose the StarTech.com 4-port PCI Express RS232 Serial Adapter Card...?

The StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe... is a interface cards/adapters from StarTech.com, selected for Canadian businesses that need reliable, specification-accurate hardware. Key figures at a glance — Host interface: PCIe; Output interface: Serial; Expansion card standard: PCIe 1.1. Every listing at FullOffice.ca is built from verified manufacturer data, so what you read here is what ships to you.

Highlights

OPTIONAL CONFIGURABLE POWER: PCIe multiport serial card provides 12v, 5v, or none through pin 9 w/up to 2A total; Each of the 4 ports are individually configurable; DB44 to 4x DB9 breakout cable incl
STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCI-e RS232 Serial expansion card is backed for life by StarTech.com, incl. free 24/5 North America based multi-lingual tech support
Internal
Host interface: PCIe
Output interface: Serial
Green

Key benefits

  • Verified manufacturer specifications — no guesswork before you buy
  • Ships from Canada: 24 to 72 hours to major centres, 3 to 8 business days elsewhere
  • Volume pricing available for business and reseller accounts
  • Support by phone, WhatsApp or email before and after your purchase

Recommended use cases

  • Desk setups and docking stations
  • AV and presentation systems
  • IT deployments and refresh projects
  • Server room and rack cabling

Recommended industries

IT & MSPCorporateEducationMedia & AVGovernment

Specifications

Specification Detail
Host interface PCIe
Output interface Serial
Expansion card standard PCIe 1.1
Internal Yes
Product colour Green
Mean time between failures (MTBF) 214358 h
Certification CE, FCC
Chipset Asix AX99100
Baud rate 921.6 Kbit/s
FIFO (First In, First Out) 256 B
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
Operating temperature (T-T) -10 - 80 °C
Storage temperature (T-T) -20 - 100 °C
Operating relative humidity (H-H) 5 - 85%
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 Pro, Windows 10 Pro x64, Windows 10...
Linux operating systems supported Yes
Server operating systems supported Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Compliance certificates RoHS
Width 75 mm
Depth 63 mm
Height 18 mm
Weight 264 g
Quantity 1
Cables included Serial
Mounting brackets included Yes
Quick installation guide Yes
Package width 151 mm
Package depth 216 mm
Package height 54 mm
Package weight 370 g
Harmonized System (HS) code 84733020
Products per master (outer) case 16 pc(s)
Master (outer) case width 344 mm
Master (outer) case length 476 mm
Master (outer) case height 248 mm
Brand StarTech.com
Manufacturer part number PEX4S953LP
GTIN / UPC ['0065030887052', '065030887052']

Frequently asked questions

How long does delivery take?

Orders are processed within 24 hours. Once your tracking number is issued, delivery takes 24 to 72 hours to major centres in the main provinces, and 3 to 8 business days to remote regions. We ship with FedEx, DHL, UPS, Canada Post and Purolator.

Is this product covered by a warranty?

Yes. This item carries the manufacturer's warranty. See our Refund Policy for return windows and conditions, or contact us and we will walk you through the process.

Can I get volume pricing?

Yes. Volume discounts apply automatically as quantity increases, and our team can quote larger projects directly — reach us by phone, WhatsApp or email.

Do the specifications on this page come from the manufacturer?

They do. Product data on this page is sourced from the manufacturer's own catalogue, not rewritten from a distributor summary.

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