Rs232 to Usb
FailThe top 5 products take 94% of clicks, so Rs232 to Usb is a Fail.
- Flapen Score
- 41 / 100Ranks 4,876 of 8,347 Electronics niches · −2 vs the category median of 4341
- Market size
- $370K/yr265K searches / yr
- 90-day growth
- -1.6%search demand this quarter
- Competition
- 94%top-5 click share · 6 brands · 47 sellers
Flapen Score
Rs232 to Usb against its category
The dotted line is the Electronics average. Past it, Rs232 to Usb is stronger. Inside it, weaker.
Market
The Rs232 to Usb market on Amazon at a glance
Shoppers on Amazon United States searched for Rs232 to Usb 265K times last year and spent an estimated $370K. The top 5 brands take 97% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 9.9% of those searches ended in a purchase.
Shoppers searched for this 265K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.9% of those searches ended in a purchase. Searches in the last 90 days moved -1.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $370K a year.
- Searches, last 12 months
- 265K
- Growth, 90 days vs prior 90
- -1.6%
- Conversion, latest week
- 9.9%
- Market size, estimated
- $370Ka year
- Peak month
- September1.2× the quietest month
- Top search term
- rs232 to usb44K searches a year
02 · Price
A sale here is worth $14.05.
Listings sell for $14.05 on average, from $7.00 to $23.47. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 4,000 to 5,000 of them. At $14.05 that is $56K to $70K a year per listing.
- Average price
- $14.05under the $15 to $100 sweet spot
- Price range
- $7.00–$23.47
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 4,000–5,000
- Revenue per listing a year
- $56K–$70K
- Returns
- 2.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #11 within Serial Cables. It carries 2,140 reviews at 4.49 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #11in Serial Cables
- Average rating
- 4.49 starsAmazon United States average 4.42 stars
- Average reviews
- 2,140per listing
- Listings tracked
- 7
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 71 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 71 months
Products
Top Rs232 to Usb products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
OIKWAN USB to RS232 USB Serial Adapter with FTDI Chipset USB 2.0 to Male DB9 Serial Cable for Windows 11 10 8 7 Vista XP 2000 Linux and Mac OS(6ft)
- Price
- $12.97
- Rating
- 4.6/5
- Reviews
- 1,986
- Age
- 7y ago

SABRENT USB 2.0 to Serial (DB9 RS232) Adapter Cable Prolific Chipset Driver Support Required for Some Systems Windows 11/10/8/7 macOS Linux (CB-DB9P)
- Price
- $9.45
- Rating
- 4.4/5
- Reviews
- 7,688
- Age
- 12y ago

Gearmo USB to Serial RS-232 Adapter with LED Indicators FTDI Chipset Supports Windows 11/10/8.1/8/7 Mac OS X 10.6 and Above
- Price
- $23.47
- Rating
- 4.6/5
- Reviews
- 1,450
- Age
- 13y ago

CableCreation USB to RS232 Serial Adapter with PL2303 Chipset 6.6 FT USB 2.0 to DB9 Female Converter Cable for Cashier Register Modem Scanner Digital Cameras CNC etc Black
- Price
- $11.67
- Rating
- 4.5/5
- Reviews
- 2,339
- Age
- 8y ago

StarTech 17in 1-Port USB to Serial Adapter Cable M/M 43cm (ICUSB232V2)
- Price
- $21.09
- Rating
- 4.6/5
- Reviews
- 1,198
- Age
- 12y ago
Trending
estimated 90-day click momentum
StarTech 17in 1-Port USB to Serial Adapter Cable M/M 43cm (ICUSB232V2)
- Price
- $21.09
- Rating
- 4.6/5
- Reviews
- 1,198
- Age
- 12y ago

OIKWAN USB to RS232 Serial Adapter with FTDI Chipset - USB 2.0 to Female DB9 Serial Cable for Windows and Mac (6ft)
- Price
- $12.70
- Rating
- 4.4/5
- Reviews
- 173
- Age
- 3y ago

OIKWAN USB to RS232 USB Serial Adapter with FTDI Chipset USB 2.0 to Male DB9 Serial Cable for Windows 11 10 8 7 Vista XP 2000 Linux and Mac OS(6ft)
- Price
- $12.97
- Rating
- 4.6/5
- Reviews
- 1,986
- Age
- 7y ago

CableCreation USB to RS232 Serial Adapter with PL2303 Chipset 6.6 FT USB 2.0 to DB9 Female Converter Cable for Cashier Register Modem Scanner Digital Cameras CNC etc Black
- Price
- $11.67
- Rating
- 4.5/5
- Reviews
- 2,339
- Age
- 8y ago

Gearmo USB to Serial RS-232 Adapter with LED Indicators FTDI Chipset Supports Windows 11/10/8.1/8/7 Mac OS X 10.6 and Above
- Price
- $23.47
- Rating
- 4.6/5
- Reviews
- 1,450
- Age
- 13y ago
Newest
by launch date
OIKWAN USB to RS232 Serial Adapter with FTDI Chipset - USB 2.0 to Female DB9 Serial Cable for Windows and Mac (6ft)
- Price
- $12.70
- Rating
- 4.4/5
- Reviews
- 173
- Age
- 3y ago

EC Buying USB 2.0 to Serial DB-9 RS232 Adapter Windows 7/8/10/11/32/64/XP/RS232 to USB Converter
- Price
- $7.00
- Rating
- 4.3/5
- Reviews
- 144
- Age
- 4y ago

OIKWAN USB to RS232 USB Serial Adapter with FTDI Chipset USB 2.0 to Male DB9 Serial Cable for Windows 11 10 8 7 Vista XP 2000 Linux and Mac OS(6ft)
- Price
- $12.97
- Rating
- 4.6/5
- Reviews
- 1,986
- Age
- 7y ago

CableCreation USB to RS232 Serial Adapter with PL2303 Chipset 6.6 FT USB 2.0 to DB9 Female Converter Cable for Cashier Register Modem Scanner Digital Cameras CNC etc Black
- Price
- $11.67
- Rating
- 4.5/5
- Reviews
- 2,339
- Age
- 8y ago

SABRENT USB 2.0 to Serial (DB9 RS232) Adapter Cable Prolific Chipset Driver Support Required for Some Systems Windows 11/10/8/7 macOS Linux (CB-DB9P)
- Price
- $9.45
- Rating
- 4.4/5
- Reviews
- 7,688
- Age
- 12y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 94% of clicks. A locked shelf that new listings rarely crack.
Brands
6 flat
Sellers
47
Est. top-5 brand share
97%
Top 20: 100%
Est. top-5 click share
94%
Top 20: 100%
Open market
0%
- OIKWAN56%
- SABRENT21%
- Gearmo10%
- CableCreation6%
- StarTech.com4%
- EC Buying3%
Demand
Rs232 to Usb search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Rs232 to Usb search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- rs232 to usb44K/yr
- usb to serial adapter43K/yr
- serial to usb adapter36K/yr
- usb to rs23220K/yr
- usb to serial15K/yr
- usb serial adapter14K/yr
- db9 to usb14K/yr
- serial to usb10K/yr
- usb to serial cable7K/yr
- usb to serial rs-232 adapter9K/yr
Reviews and returns
What reviews say buyers love and hate about Rs232 to Usb
We read the reviews and the return reasons for every product selling here.
“Cable does not work”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Rs232 to Usb questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









