#4 in Serial port cards
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Reddit mentions of StarTech.com 1 Port Native ExpressCard RS232 Serial Adapter Card with 16950 UART - ExpressCard 54 Serial Card (EC1S952)
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of StarTech.com 1 Port Native ExpressCard RS232 Serial Adapter Card with 16950 UART - ExpressCard 54 Serial Card (EC1S952). Here are the top ones.
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Add a high-speed RS-232 Serial port to your laptop computer via an ExpressCard expansion slotExpresscard Serial CardRS232 CardCompatible with both 34mm and 54mm ExpressCard slots; includes a slot spacer for greater security while installed in 54mm slotsSingle chip design optimizes speed, reliability and power
Specs:
| Height | 5.91 Inches |
| Length | 8.43 Inches |
| Number of items | 1 |
| Weight | 0.07495716908 Pounds |
| Width | 1.73 Inches |
Sorry for taking so long to get back to you, I recommend getting a laptop with an express card slot.
For example, here, or here and using an express card RS232 adapter. It will function like the real thing.
According to this review on Amazon, "Most serial adapters use a PCI-USB-SERIAL interface. If you have older software that requires a true serial port, this card will provide the capability."
So it looks like this is your best bet. It also seems to work well on Linux according to the reviews.