Price History for TRENDnet TU-S9 USB to Serial Converter
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TRENDnet TU-S9 USB to Serial Converter
This USB to Serial converter allows you to connect an RS-232 serial device such as a modem to a USB port on your desktop or laptop.
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 14, 2026 | $12.99 |
| Jun 23, 2026 | $11.59 |
| Jan 24, 2026 | $12.99 |
| Jan 8, 2026 | $12.99 |
| Dec 29, 2025 | $12.99 |
| Dec 27, 2025 | $12.99 |
Analysis
TRENDnet TU-S9 USB to Serial Converter price analysis
Price analysis for TRENDnet TU-S9 USB to Serial Converter at Walmart: Today's price is $12.99. That's 13% off the MSRP of $14.99. Current price is 6% above the 90-day average of $12.29 (a $0.70 above the running mean).
- The current price of $12.99 is 13% (or $2.00) below the MSRP of $14.99.
- Current price is 6% above the 90-day average of $12.29 (a $0.70 above the running mean).
- The lowest recorded price on PriceWatchPro was $11.59 on June 23, 2026. That's $1.40 below today's price.
- The highest recorded price on PriceWatchPro was $12.99 on December 27, 2025.
- Across 5 tracked price changes, the listing has dropped 1 times with an average drop of $1.40.
- PriceWatchPro has been tracking this listing since December 27, 2025 (222 days of price history).
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