The Best Serial Port Cards of 2021


114,907 reviews analysed
Rank Product Name Score
1st Image StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART - PCIe RS232 -
By StarTech
9.5 SCORE View Product
2nd Image StarTech.com 1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART (PEX1S553LP)
By StarTech
9.3 SCORE View Product
3rd Image SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART
By SIIG
9.1 SCORE View Product
4th 1st Image ELIATER PCIE 2 Port Serial Expansion Card PCI Express to Industrial DB9 RS232 COM Port Adapter WCH38
By ELIATER
8.9 SCORE View Product
5th Image SIIG Single Serial Port/RS-232 and Single Parallel Port PCIe Card Compatible with 16C550 UART (JJ-E2
By SIIG
8.7 SCORE View Product
6th Image Dual Port Serial Industrial DB9 COM RS232 PCIe X1 Card for Desktop PC with Low Bracket Moschip MCS99
By Syba
8.5 SCORE View Product
7th Image LinksTek 2 Port PCI Express Serial/RS-232/DB9/COM Port Card Adapter with 16C550 UART for Windows CE,
By LinksTek
8.3 SCORE View Product
8th Image StarTech.com 2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART (PEX2S553)
By StarTech
8.1 SCORE View Product
9th Image StarTech.com 1 Port PCI Express Dual Profile Parallel Adapter Card - SPP/EPP/ECP - 1x DB25 IEEE 1284
By StarTech
7.9 SCORE View Product
10th Image 12% OFF
StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16950 UART (PEX2S952LP)
By StarTech
7.7 SCORE View Product

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We keep receiving tons of questions of readers who are going to buy Serial Port Cards, eg:

  • What is the best Serial Port Cards for 2019, for 2018 or even 2017 (old models)?
  • What is the best Serial Port Cards to buy?
  • What is the best Serial Port Cards to buy for a Beginner?
  • or even What is the best affordable (best budget, best cheap or even best expensive!!!) Serial Port Cards?…

All of these above questions make you crazy whenever coming up with them. We know your feelings because we used to be in this weird situation when searching for Serial Port Cards.

Before deciding to buy any Serial Port Cards, make sure you research and read carefully the buying guide somewhere else from trusted sources. We will not repeat it here to save your time.

You will know how you should choose Serial Port Cards and What you should consider when buying the Serial Port Cards and Where to Buy or Purchase the Serial Port Cards. Just consider our rankings above as a suggestion. The final choice is yours.

That’s why we use Big Data and AI to solve the issue. We use our own invented, special algorithms to generate lists of the best brands and give them our own Scores to rank them from 1st to 10th.

You could see the top 10 Serial Port Cards of 2019 above. The lists of best products are updated regularly, so you can be sure that the information provided is up-to-date.

You may read more about us to know what we have achieved so far. Don’t hesitate to contact us if something’s wrong or mislead information about Serial Port Cards.

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Last updated on Nov-20,2019 / Affiliate links / Images from Amazon Product Advertising API