The Best rs232 card of 2021 – Top 10 and Rankings

If you’re looking for rs232 card but don’t know which one is the best, we recommend the first out of 10 rs232 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 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
Rank No. #2
StarTech.com 2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART (PEX2S553)
  • Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot
  • RS232 Card
  • PCI Express Serial Card
  • PCI-e Serial Card
  • PCI Express RS232
Rank No. #3
StarTech.com 4 Port PCI Express RS232 Serial Adapter Card - Single-Lane PCI Express - Breakout Cable - RS232 Extension - PCIe Serial Card (PEX4S553B), red
  • Add 4 RS232 serial ports to any PC using a single PCI Express expansion slot
  • RS232 Card
  • PCI Serial Card Adapter
  • PCI Express Serial Card
  • PCI-e Serial Card
Rank No. #4
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. #5
SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART
  • Quickly adds two serial ports through an available PCI Express slot
  • Supports serial port data transfer rates up to 115.2 Kbps, compatible with 16C550 UART
  • 256-byte depth FIFO buffer supports fast data transfer especially in a multitasking environment
  • Perfect solution to connect with POS system, industrial testing and control device, security system, logistic management equipment, etc.
  • Chipset: ASIX/MosChip MCS9900CV-AA
Rank No. #6
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. #7
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. #8
Ableconn PEX4S-954 4 Port RS232 PCI Express Serial Adapter Card with Power Output and 16950 UART (OXPCIe954 Chipset) - Optional 5V Power Output on Pin9 of DB9
  • Support 5V DC output in each Pin9 of DB9 connectors (total 2A5V DC supply from the card) for POS or other RS232-powered applications. The 5V DC output can be individually enabled/disabled for each DB9 Port.
  • Built with PLX/Oxford OXPCIe954 chipset which enables high performance 16C950 UART and is 6C550, 16C650, 16C750 and 16C850 backward compatible.
  • Includes both low profile and regular size PCI brackets. Fan-out cable design which helps avoid cluttered connections
  • Four 16C950 High performance UART DB9M channels with 128-byte deep FIFO per transmitter and receiver.
  • Fully RoHS compliant. Made in Taiwan.
SaleRank No. #9
StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux (PEX1S953LP)
  • 1 PORT SERIAL CARD: Serial controller card w/ 16950 UART based on ASIX AX99100, allows 1x DB9 port w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer & 9th data bit; Upgraded version of our popular card PEX1S952LP
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9 w/up to 2A total
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe serial card comes w/ a low profile bracket pre-installed & 1x full profile bracket is incl for versatile install; Supports Windows XP and up & Linux
  • VERSATILE APPLICATIONS: For low/standard profile desktop/servers w/ uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope
  • 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
Rank No. #10
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.(Attention please: Please see the fourth picture of the product picture for the steps to install the driver.)
  • 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.

How Do You Buy The Best rs232 card of 2021?

Do you get stressed out thinking about shopping for a great rs232 card? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching rs232 card, which is why we have assembled a comprehensive list of the greatest rs232 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 card that you consider buying. Your questions might include the following:

  • Is it worth buying an rs232 card?
  • What benefits are there with buying an rs232 card?
  • What factors deserve consideration when shopping for an effective rs232 card?
  • Why is it crucial to invest in any rs232 card, much less the best one?
  • Which rs232 card are good in the current market?
  • Where can you find information like this about rs232 card?

We’re convinced that you likely have far more questions than just these regarding rs232 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 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 card. Make sure that you are only using trustworthy and credible websites and sources.

We provide an rs232 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 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 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 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 card.
  5. Customer Ratings: Number ratings grade rs232 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 card.
  7. Product Quality: You don’t always get what you pay for with an rs232 card, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an rs232 card is should be an indication of how long it will work out for you.

We always remember that maintaining rs232 card information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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