---
title: "Thunderbolt to Usb C — $290K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/thunderbolt-to-usb-c"
last_updated: "2026-08-11T12:59:20.202Z"
locale: en
meta:
description: "Niche score 34/100 · $290K/yr market · 267K searches/yr · $28.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $290K/yr market · 267K searches/yr · $28.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Thunderbolt to Usb C — $290K/yr Amazon US Niche (2026) - Flapen"
---
# **thunderbolt to usb c**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 51Growth 17Conversion 48Competition 3Returns 1Price range 90Avg price 95Brand share 0Review moat 42Quality gap 70
**Avg price**
**Incredible****$28.19**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.81–$47.54**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$290K**
$290K/yr · 267K searches
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****2,271.33**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-16.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****96%**
top-5 click share — a locked-up shelf
**Returns**
**Bad****11.6%**
return rate — above 5% kills the launch gate
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, thunderbolt to usb c is a $290K/yr Amazon United States market (267K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 34/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **thunderbolt to usb c market data**
- **Units sold / yr**
- **10K–13K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$282K–$352K**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#654**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **33%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**46**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**96%**
Top 20: 100%
**Open market**
**0%**
- Apple66% - Answin22% - vienon8% - StarTech.com4% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -16.7% search growth over the last 90 days.
7K5KHoliday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/electronics/thunderbolt-to-usb-c/trend)
## **Top thunderbolt to usb c search terms**
- **thunderbolt 2 to usb c**48K/yr-21.1%2.6% conv. - **thunderbolt to usb c**40K/yr-26.9%2.6% conv. - **thunderbolt 3 to thunderbolt 2 adapter**20K/yr-9.3%6.3% conv. - **thunderbolt 2 to thunderbolt 3 adapter**19K/yr-2.0%4.2% conv. - **thunderbolt to usb c adapter**15K/yr-8.6%2.7% conv. - **thunderbolt 2 to thunderbolt 3**14K/yr-15.8%3.8% conv. - **thunderbolt 2 adapter**15K/yr-15.4%1.2% conv. - **usb c to thunderbolt adapter**15K/yr-40.6%1.5% conv. - **apple thunderbolt 3 usb-c to thunderbolt 2 adapter**10K/yr-8.8%8.4% conv. - **usb c to thunderbolt**9K/yr-0.2%0.9% conv. [**All search terms **](https://flapen.com/research/us/electronics/thunderbolt-to-usb-c/search-terms)
## **Top thunderbolt to usb c products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$43K30%$87K45%$130K60%$174K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Apple Thunderbolt 3 (USB-C) to Thunderbolt2 Adapter**Apple**$47.54**4.6★665 rev](https://www.amazon.com/dp/B0DCHHPG2Y) [2**Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter**Apple**$45.53**4.6★9,488 rev](https://www.amazon.com/dp/B01MQ26QIY) [3**Answin USB C to Mini Displayport (4K@60Hz) Thunderbolt 3 to Mini DisplayPort Adapter for iPhone 15/16/17 Series M2-M4 MacBook MacBook Air/Pro 2018-2025 Galaxy S21-S25 Steam Deack and Rog Ally**Answin**$15.58**4.1★1,351 rev](https://www.amazon.com/dp/B07V828R4Q) [4**vienon 6FT USB C to Mini DisplayPort Cable 4K@60Hz Type C to Mini-DisplayPort Cable Compatible with iPhone 15 MacBook Pro/Air/iMac/Surface etc (No Bi-Directional Not for Thunderbolt 2)**vienon**$12.81**4.3★422 rev](https://www.amazon.com/dp/B09PV7R3VV) [5**Answin USB C to Mini DisplayPort 6Ft 4K@60Hz Thunderbolt 3 to Mini Displayport Cable Compatible for iPhone 15/16/17 Series M2-M4 MacBook Pro Surface Book 2 Galaxy S20-S25 Steam Deck and Rog Ally**Answin**$15.95**4.4★847 rev](https://www.amazon.com/dp/B082LNGMHJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Apple Thunderbolt 3 (USB-C) to Thunderbolt2 Adapter**Apple**$47.54**665 rev1y ago](https://www.amazon.com/dp/B0DCHHPG2Y) [**vienon 6FT USB C to Mini DisplayPort Cable 4K@60Hz Type C to Mini-DisplayPort Cable Compatible with iPhone 15 MacBook Pro/Air/iMac/Surface etc (No Bi-Directional Not for Thunderbolt 2)**vienon**$12.81**422 rev4y ago](https://www.amazon.com/dp/B09PV7R3VV) [**Answin USB C to Mini DisplayPort 6Ft 4K@60Hz Thunderbolt 3 to Mini Displayport Cable Compatible for iPhone 15/16/17 Series M2-M4 MacBook Pro Surface Book 2 Galaxy S20-S25 Steam Deck and Rog Ally**Answin**$15.95**847 rev6y ago](https://www.amazon.com/dp/B082LNGMHJ) [**Answin USB C to Mini Displayport (4K@60Hz) Thunderbolt 3 to Mini DisplayPort Adapter for iPhone 15/16/17 Series M2-M4 MacBook MacBook Air/Pro 2018-2025 Galaxy S21-S25 Steam Deack and Rog Ally**Answin**$15.58**1,351 rev7y ago](https://www.amazon.com/dp/B07V828R4Q) [**Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter**Apple**$45.53**9,488 rev7y ago](https://www.amazon.com/dp/B01MQ26QIY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter**Apple**$45.53**4.6★**▲ 119%**](https://www.amazon.com/dp/B01MQ26QIY) [**Answin USB C to Mini Displayport (4K@60Hz) Thunderbolt 3 to Mini DisplayPort Adapter for iPhone 15/16/17 Series M2-M4 MacBook MacBook Air/Pro 2018-2025 Galaxy S21-S25 Steam Deack and Rog Ally**Answin**$15.58**4.1★**— 5%**](https://www.amazon.com/dp/B07V828R4Q) [**Apple Thunderbolt 3 (USB-C) to Thunderbolt2 Adapter**Apple**$47.54**4.6★**— 8%**](https://www.amazon.com/dp/B0DCHHPG2Y) [**Answin USB C to Mini DisplayPort 6Ft 4K@60Hz Thunderbolt 3 to Mini Displayport Cable Compatible for iPhone 15/16/17 Series M2-M4 MacBook Pro Surface Book 2 Galaxy S20-S25 Steam Deck and Rog Ally**Answin**$15.95**4.4★**▼ 15%**](https://www.amazon.com/dp/B082LNGMHJ) [**vienon 6FT USB C to Mini DisplayPort Cable 4K@60Hz Type C to Mini-DisplayPort Cable Compatible with iPhone 15 MacBook Pro/Air/iMac/Surface etc (No Bi-Directional Not for Thunderbolt 2)**vienon**$12.81**4.3★**▼ 17%**](https://www.amazon.com/dp/B09PV7R3VV)
**~~View all trending →~~**
## **What buyers say about thunderbolt to usb c**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**23%
*“it works as it should”*
**Connectivity-Overall**20%
*“The connection has been reliable”*
**Quality-Overall**13%
*“it was available and great quality”*
**Compatibility-Overall**13%
*“It is fully compatible”*
**Display Resolution**9%
*“I'm glad to be able to use the big screen again”*
**Ease Of Use**3%
*“Makes work so much simpler”*
**Durability**3%
*“Seems to be durable”*
**Assembly/Installation**2%
*“No setup problems, no loose fit, and no surprises”*
### **What buyers complain about **
**Functionality-Overall**24%
*“now, I did and the adaptor is not functional”*
**Compatibility-Overall**22%
*“Doesnt pair with apple”*
**Durability**11%
*“failure after 1 1/2 months”*
**Value For Money**9%
*“A little expensive”*
**Advertised Vs Actual Product**7%
*“Deceptive sales pitch”*
**Add-Ons/Attachments**3%
*“Doesn't plug all the way in”*
**Quality-Overall**3%
*“cheap”*
**Color**3%
*“No purple/ green tint”*
**Socket/Port/Plug**3%
*“The USB part of the StarTech device no longer works”*
### **Top return reasons **
**Compatibility-Overall**54%
**Connectivity-Overall**17%
**Functionality-Overall**15%
**Size-Overall**3%
**Defective Material/Parts**2%
**Advertised Vs Actual Product**2%
**Value For Money**2%
**Socket/Port/Plug**1%
**Data Transfer Speed**1%
**Product Condition**1%
## **Common questions**
- **Is thunderbolt to usb c profitable to sell on Amazon United States?**
- The niche generates $290K/yr across 6 tracked products. 90-day search growth is -16.7%. Flapen's verdict: Skip it (34/100).
- **How competitive is the thunderbolt to usb c niche?**
- 4 brands and 46 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in thunderbolt to usb c?**
- Top complaints mined from reviews: Functionality-Overall, Compatibility-Overall, Durability. The return rate is 11.6% — above our launch gate.
- **When does demand for thunderbolt to usb c peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the thunderbolt to usb c niche?**
- Listings span $12.81–$47.54; the average listing price is $28.19 (sweet spot $15–$100). The average incumbent carries 2,271 reviews — the moat a new listing must climb.
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