Modem Card Pricing
Current market data for 5,109 modem cards listed on eBay.
What you'll usually pay
💡 Buying used saves about 29% here.
👉 In short easy summary
The best value is found in Mini PCI cards and Cable/Wireless interfaces, both showing a -50% delta from the median. Conversely, 4-port configurations command a premium with a +5% delta.
💚 Best value for your money
Price by compatible port
Why? Prices range from 9.95 for Mini PCI to 16.3 for ISA.
Price by external interfaces
Why? Cable and Wireless options are lowest at 9.99 and 9.95, while Ethernet (RJ-45) is highest at 16.
Price by number of ports
Why? Single and dual port cards are cheaper than 4-port cards, which reach a median of 21.
Price by maximum data rate
Why? Older 56 KBps cards are cheaper at 13.99 compared to the general market median.
🛒 Some on sale right now
Common questions
What is the price difference between new and used modem cards?
New cards have a median price of 19.99, while used cards are lower at 14.13.
Which port type is the most affordable?
Mini PCI cards are the most affordable with a median price of 9.95.
How much do 4-port modem cards typically cost?
4-port modem cards have a median price of 21.
How we got these numbers
Worked out from 200 live eBay listings (price range $5–$141, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 10, 2026.