The Best rs232 pci card of 2021 – Top 10 and Rankings

If you’re looking for rs232 pci card but don’t know which one is the best, we recommend the first out of 10 rs232 pci card in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
StarTech.com 2 Port PCI RS232 Serial Adapter Card with 16550 UART - Serial Adapter - PCI - RS-232 x 2 - PCI2S550
  • Add 2 high-speed RS-232 serial ports to your PC through a PCI expansion slot
  • Serial Adapter
  • RS232 Card
  • PCI Serial Card
  • PCI RS232
Rank No. #2
StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART - PCIe RS232 - PCI-E Serial Card (PEX2S553LP)
  • Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI Express expansion slot
  • PCI Express Serial Card
  • PCI-e Serial Card
  • PCI Express RS232
  • RS232 Card
Rank No. #3
StarTech.com 1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART (PEX1S553LP)
  • Add a RS-232 serial port to your standard or small form factor computer through a PCI Express expansion slot
  • PCI Express Serial Card
  • PCI-e Serial Card
  • PCI Express RS232
  • RS232 Card
SaleRank No. #4
Syba Single Port RS-232 DB9 Serial PCI-e 2.0 x1 Expansion Card MCS9922 SD-PEX15021
  • MCS9922 Chipset
  • Compatible with Industrial Standard 16C550 UART. On Chip 256-byte Depth FIFO in Transmit.
  • Transfer data rates up to 250Kbps on each port. Supports hardware and software flow control. Supports 5, 6, 7, 8-bit Serial format
  • Fully compliant with PCI-Express base Specification Revision 1. 0a
  • Single-lane (x1) PCI-Express with throughput up to 2. 5Gbps
Rank No. #5
PCIE 2 Port Serial Expansion Card PCI Express to Industrial DB9 RS232 COM Port Adapter WCH382 Chip for Desktop PC Windows 10 with Low Bracket
  • This card capability allow for upgrade with additional serial cards to your computer easily.
  • 2 x 16550 Fast Uart serial port, data transfer rate support up to 115200bps.
  • Plug and Play, Automatically selects IRQ & IO address, Supports IRQ sharing.
  • Compliant with ExpressCard/34mm Standard; Compatible to 1-Lane (x1) PCI-Express Throughput.
  • Operating System: Windows 32bit 2000/XP/2003 Server/Vista and 64bit XP/2003 Server/Vista/WIN7/WIN8/WIN10 / Linux. If there was any problem with PCIE 2 port serial expansion card, pls feel free to contact us, we will provide a solution within 24hrs.
Rank No. #6
PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Controller Card WCH382 Chip for Desktop PC Windows 10 with Low Bracket
  • This card capability allow for upgrade with additional serial or parallel cards to your computer easily.
  • Multi-mode IEEE 1284 compliant controller (SPP, PS2, EPP, ECP), Faster data rates up to 1.5Mbps for parallel port.
  • Plug and Play, Automatically selects IRQ & IO address, Supports IRQ sharing.
  • Compliant with ExpressCard/34mm Standard; Compatible to 1-Lane (x1) PCI-Express Throughput.
  • Operating System: Windows 32bit 2000/XP/2003 Server/Vista and 64bit XP/2003 Server/Vista/WIN7/WIN8/WIN10 / Linux. If there was any problem with PCIe combo serial parallel expansion card, pls feel free to contact us, we will provide a solution within 24hrs.
Rank No. #7
Soapow PCI to Dual Serial DB9 RS232 RS-232 2 Port Extension Adapter Card for Desktops
  • Compliant with PCI 2.1 specification, support 32-bit PCI bus. Plug and play, automatic allocation of IRQ and I / O address.
  • One host can support multiple multi-serial card. Data bit: 4, 5, 6, 7, 8 bytes.
  • Parity bit : NONE EVEN OLD SPACE MARK. Stop bit : 1, 1.5, 2.
  • Flow control: None, hardware, Xon / Xoff. Support WINDOWS 2000/2003 / XP operating system.
  • The maximum data transfer rate is up to 1M / S. RoHS compliant.
Rank No. #8
SIENOC PCI-E Serial COM DB9 RS-232 + DB25 Printer Lpt1 Port Adapter 1.0 X1 Card
  • With WCH chipset Compliant whit PCI-Express Revision 1.0a
  • Support Standard Parallel Port (SPP), Enhanced Parallel Port (EPP) & Enhanced CapabilityPort (ECP),
  • Data transfer rate support up to 115200bps (Serial Port), Data transfer rate support up to 1.5MB/Sec. (Parallel Port
  • Support RS-232 Hardware Flow Control SPP, PS2, EPP, ECP Compatible IEEE 1284 Printer Port
  • Message: This card can not use for the 278 or 378 Port When you connect the external devices( such as plotter,machine tool ) to this card ,the PC's system automatically assigns the address port (such as LPT1,COM1). If this address port of the peripheral equipment isn't on 278 or 378 port ,or can modify to other port. The peripheral equipment can normal use .
Rank No. #9
StarTech.com 2-Port PCI Express Serial Card with 16C1050 UART - RS232 Low Profile Serial Card - PCI Serial Card (PEX2S1050)
  • MEETS INDUSTRY STANDARDS: The 2-port PCI express serial card is compliant with PCI Express 1.0a specification, and it's compatible with 1x, 2x, 4x, 8x and 16x PCI Express slots.
  • MAXIMUM COMPATIBILITY: The dual port DB9 to PCIe adapter is ideal for system upgrades in a wide range of applications including manufacturing equipment, POS equipment, and security devices.
  • HIGH-PERFORMANCE COMMUNICATION: The low-profile serial card delivers high-performance serial communication, with support for data transfer rates of up to 460Kbps.
  • SIMPLE INSTALLATION: The PCI dual serial adapter features IRQ sharing and supports plug-and-play connection. It has a standard-profile bracket installed, and an optional low-profile bracket.
  • THE STARTECH.COM ADVANTAGE: StarTech.com offers a 2-year warranty, free lifetime technical support on this dual port serial to PCIe card and has been the choice of IT businesses since 1995.
Rank No. #10
CERRXIAN 4 Port PCI-E RS232 Serial Adapter Card, PCI-E Serial Expansion Card, RS232 PCI Express x1 Serial DB9 COM Expansion Card for PC
  • GOOD CHOICE - Most new computers don't have a serial port, and most serial port cards have a lot of issues, but if you're looking for a serial port to communicate with older devices, the card works well.This is the best solution for you add 4 RS232 (DB9) serial ports, using a single PCI Express expansion slot.
  • INDEPENDENT POWER CHIPEST - Built-in AX99100 CHIPEST,No external power supply provides RS-232 serial port or 5v 12v DC power output through the COM of the first needle or the needle 9.Stable performance, strong compatibility, high - speed storage.
  • 4 RS232 PORT - 4 standard external RS-232 DB9 serial ports.All serial ports support slow IrDA mode and speeds up to 115200bps,compatible with 2 UART and 4 UART.
  • PCI EXPRESS X1 - Compliant with PCI Express 2.0 gen1, compatible with PCIE x1, x2, x4, x8, x16 slots.
  • BROAD COMPATIBILITY - Compatible operating system :Windows XP/ 2003 Server/ Vista/ WIN7/ WIN8.x / WIN10 / Linux Kernel 2.6 15 and later/ Android 1.x/ 2.x/ 3.x/ 4.x/ 5.x.Perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters and more to your system.

How Do You Buy The Best rs232 pci card of 2021?

Do you get stressed out thinking about shopping for a great rs232 pci card? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching rs232 pci card, which is why we have assembled a comprehensive list of the greatest rs232 pci card available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for rs232 pci card that you consider buying. Your questions might include the following:

  • Is it worth buying an rs232 pci card?
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We’re convinced that you likely have far more questions than just these regarding rs232 pci card, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for rs232 pci card, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible rs232 pci card. Make sure that you are only using trustworthy and credible websites and sources.

We provide an rs232 pci card buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available rs232 pci card currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of rs232 pci card has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an rs232 pci card?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your rs232 pci card.
  5. Customer Ratings: Number ratings grade rs232 pci card objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their rs232 pci card.
  7. Product Quality: You don’t always get what you pay for with an rs232 pci card, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an rs232 pci card is should be an indication of how long it will work out for you.

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