StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux

Manufacturer: Startech | Model: PEX2S953 | Product ID: 5208 | Warranty: Lifetime
£52.65 (inc. VAT)
9 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Ports & interfaces
Host interfacePCIe
Output interfaceSerial
Expansion card standardPCIe 1.1
Serial ports quantity2
Serial interface typeRS-232
Design
InternalYes
Product colourGreen
Mean time between failures (MTBF)222366
Features
ChipsetAsix AX99100
Baud rate921.6
FIFO (First In, First Out)256
Data bits5,6,7,8,9
Stop bits1,1.5,2
Parity bitEven,Mark,N,Odd,Space
Flow Control typeN,RTS/CTS,XON/XOFF
Operational conditions
Operating temperature (T-T)-10 - 80
Storage temperature (T-T)-20 - 100
Operating relative humidity (H-H)5 - 85
System requirements
Windows operating systems supportedWindows 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 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 supportedYes
Server operating systems supportedWindows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016
Technical details
Sustainability complianceYes
Sustainability certificatesCE,RoHS
Weight & dimensions
Width63
Depth75
Height15
Weight56
Packaging data
Quantity1
Quick installation guideYes
Package width170
Package depth142
Package height30
Package weight136
Logistics data
Harmonized System (HS) code84733020
Products per master (outer) case75
Master (outer) case width685
Master (outer) case length345
Master (outer) case height306

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Fri 23rd May 2025 to Mon 26th May 2025
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Thu 22nd May 2025 to Sat 24th May 2025
View all Delivery Options & International Rates
PCI Express to Serial Adapter | 921.6Kbps | Windows® and Linux® CompatibleThis multiport PCI Express RS232 serial adapter card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. The dual 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 CompatibilityWith broad OS support, including for Windows and Linux, this 2 port PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-profile bracket, and includes optional low-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX2S952 .Experience Optimal TechnologyThis 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 AX99100 chipset• Base PCI Express 1.1 compliant• Low and full-profile brackets includedThe Choice of IT Pros Since 1985StarTech.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.PEX2S953 is backed by a StarTech.com lifetime warranty and free lifetime technical support.The StarTech.com Advantage
Ports & interfaces
Host interfacePCIe
Output interfaceSerial
Expansion card standardPCIe 1.1
Serial ports quantity2
Serial interface typeRS-232
Design
InternalYes
Product colourGreen
Mean time between failures (MTBF)222366
Features
ChipsetAsix AX99100
Baud rate921.6
FIFO (First In, First Out)256
Data bits5,6,7,8,9
Stop bits1,1.5,2
Parity bitEven,Mark,N,Odd,Space
Flow Control typeN,RTS/CTS,XON/XOFF
Operational conditions
Operating temperature (T-T)-10 - 80
Storage temperature (T-T)-20 - 100
Operating relative humidity (H-H)5 - 85
System requirements
Windows operating systems supportedWindows 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 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 supportedYes
Server operating systems supportedWindows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016
Technical details
Sustainability complianceYes
Sustainability certificatesCE,RoHS
Weight & dimensions
Width63
Depth75
Height15
Weight56
Packaging data
Quantity1
Quick installation guideYes
Package width170
Package depth142
Package height30
Package weight136
Logistics data
Harmonized System (HS) code84733020
Products per master (outer) case75
Master (outer) case width685
Master (outer) case length345
Master (outer) case height306

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We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

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Our available delivery options*

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*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

Our 30 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items opened and used and that are returned in a resellable condition.

Our 365 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items that remain sealed and unused.

Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

- Headphones
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- Custom made and designed products such as flash memory products with custom logo’s on them. E,g USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
Yes, to obtain an RMA number.

Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365 day returns. Of course for faulty items we realise you may no longer have the packaging.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer direct for assistance.

Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.