The 7 Best Serial Port Cards September 2024

Ranked 1st in our list of recommended serial port cards and sells for $29.99 (as of 27/12/2018 22:20 PST details ) , more than 100% of the IO Crest SI-PEX40108 reviews are positive. With features such as 4 x sata 6.0 gb s internal connectors and up to 6 gb s, it is indeed our top pick among serial port cards.

In the 2nd place of our top serial port cards list you'll find the Syba SD-PEX15022 which garners positive reviews from more than 79% of customers who bought serial port cards. Priced at $22.99 (as of 30/06/2022 01:23 PDT details ) , it is designed for the savvy consumer who don’t mind paying a bit more for quality and best in class features.

Number 3 on the best serial port cards list is resereved for venerable StarTech PEX4S553B that has featuers like, lower cpu load of native single chip, single lane pci express design ensures optimal system performance up to 48% less cpu load and includes both standard and low profile half height brackets, which makes this the perfect card for any application, including small form factor embedded applications. With a positive sentiment of 100% for the PEX4S553B from StarTech, it is a solid purchase that will keep you happy and it can be found online for $107.42 (as of 20/10/2022 05:52 PDT details ) .

At $33.13 (as of 31/03/2018 04:59 PDT details ) , StarTech's PCI2S550_LP is our number 4, which gets 88% approval rate from customers who actually bought it.

A good, solid choice come up at number 5 of serial port cards reviewed by us. You can find this StarTech IC485S for $34.18 (as of 31/03/2018 05:01 PDT details ) , and be sure that it will do the work, at least according to more than 67% of people who used it and enjoyed features such as converts rs232c to either rs 485 or rs 422 with cable length up to 4000 ft! and suitable for a broad range of operating environments, this adapter includes an optional 9v power adapter or can draw power on its own..

If none of the serial port cards listed above suits you, then perhaps the SIIG JJ-E02111-S1 at the 6th place is the right one for you. Costing $32.75 (as of 31/03/2018 04:59 PDT details ) , positive reviews hover around 83%.

Last but not least in the top serial port cards, we have the good old StarTech ST100S which gets great marks by 91% of the reviews posted.