---
title: "Thunderbolt to Usb Adapter — $151K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/thunderbolt-to-usb-adapter"
last_updated: "2026-08-11T13:40:44.871Z"
locale: en
meta:
description: "Niche score 36/100 · $151K/yr market · 104K searches/yr · $13.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $151K/yr market · 104K searches/yr · $13.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Thunderbolt to Usb Adapter — $151K/yr Amazon US Niche (2026) - Flapen"
---
# **thunderbolt to usb adapter**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 32Growth 12Conversion 89Competition 14Returns 79Price range 76Avg price 66Brand share 9Review moat 9Quality gap 21
**Conversion**
**Great****10.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$4.64–$47.54**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****$13.96**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$151K**
$151K/yr · 104K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****83%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-25.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Review moat**
**Bad****33,364.4**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, thunderbolt to usb adapter is a $151K/yr Amazon United States market (104K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Dec. Verdict: Skip it — 36/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **thunderbolt to usb adapter market data**
- **Units sold / yr**
- **13K–15K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$175K–$209K**
- units × avg price
- **Conversion rate**
- **10.4%**
- **Avg BSR**
- **#16**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **70%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **195 days**
## **Competition & brand share**
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**19**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**83%**
Top 20: 100%
**Open market**
**0%**
- Syntech65% - Apple9% - uni9% - Anker8% - Basesailor6% - Henrety3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -25.4% search growth over the last 90 days.
4K3KBlack Friday '24Holiday '24Prime Day '25Spike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/electronics/thunderbolt-to-usb-adapter/trend)
## **Top thunderbolt to usb adapter search terms**
- **thunderbolt to usb adapter**21K/yr-40.3%4.2% conv. - **usb to thunderbolt adapter**15K/yr-14.1%10.1% conv. - **thunderbolt to usb**14K/yr-17.8%5.2% conv. - **syntech usb c to usb adapter**11K/yr-23.7%19.3% conv. - **syntech usb c to usb adapter pack of 2**5K/yr+10.7%25.1% conv. - **syntech**5K/yr-10.0%3.1% conv. - **thunderbolt 4 to usb adapter**7K/yr-39.2%7.0% conv. - **usb to macbook air adapter**3K/yr-23.1%4.4% conv. - **usb to thunderbolt**4K/yr-15.3%6.5% conv. - **thunderbolt to usb a**3K/yr-34.5%6.7% conv. [**All search terms **](https://flapen.com/research/us/electronics/thunderbolt-to-usb-adapter/search-terms)
## **Top thunderbolt to usb adapter 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%$23K30%$45K45%$68K60%$90K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Syntech USB C to USB Adapter Pack of 2 USB 3.0 Female to Thunderbolt 4/3 Adapter Compatible with MacBook Pro Air 2024 Surface iPad iPhone Galaxy Notebook XPS and More Type C Devices Space Grey**Syntech**$8.30**4.7★190,039 rev](https://www.amazon.com/dp/B07CVX3516) [2**uni USB C to USB Hub Multiport Adapter Aluminum 4 Ports USB C Splitter for Laptop Slim Thunderbolt 3/4 Data USB Hub Compatible for MacBook Pro/Air iPad Pro Dell Chromebook | Keyboard Mouse HDD**uni**$13.73**4.6★10,871 rev](https://www.amazon.com/dp/B087QFM3GF) [3**Anker USB C Adapter (2 Pack) USB C to USB Adapter High-Speed Data Transfer for MacBook Pro 2020 iPad Pro 2020 Samsung Notebook 9 Dell XPS and More Type C Devices**Anker**$10.17**4.8★23,805 rev](https://www.amazon.com/dp/B08HZ6PS61) [4**Apple USB-C to USB Adapter**Apple**$18.96**4.7★1,346 rev](https://www.amazon.com/dp/B0DCHPT88G) [5**Basesailor USB C to USB Adapter 3Pack USBC Male to A Female 3.0 OTG MacBook Pro/Air Adapter Type C Thunderbolt 4 3 Converter for Apple iPhone 17 17e 16 Mac iPad Microsoft Surface Samsung Galaxy S26**Basesailor**$8.11**4.7★17,563 rev](https://www.amazon.com/dp/B09SZ5NHF4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Apple USB-C to USB Adapter**Apple**$18.96**1,346 rev1y ago](https://www.amazon.com/dp/B0DCHPT88G) [**Apple Thunderbolt 3 (USB-C) to Thunderbolt2 Adapter**Apple**$47.54**665 rev1y ago](https://www.amazon.com/dp/B0DCHHPG2Y) [**Syntech USB C to USB Adapter (2 Pack) 10Gbps USB3.2 Gen 2 Fit Side by Side Type C Male to A 3.2 Female Adapter Compatible with iPhone 17e 17 Pro Max/iPad/iMac/MacBook Pro & Thunderbolt 5/4 Devices**Syntech**$9.71**2,846 rev2y ago](https://www.amazon.com/dp/B0CNK3YK1J) [**USB C to USB Adapter Type C Thunderbolt 4 OTG Converter USB C Male to USB 3.0 Female Adapter (3-Pack) for Apple MacBook Pro Mac Book iPad Samsung Galaxy S20-S23 and More (Black/Grey/Silver)**Henrety**$4.64**4,456 rev4y ago](https://www.amazon.com/dp/B0B4S2SKNH) [**Basesailor USB C to USB Adapter 3Pack USBC Male to A Female 3.0 OTG MacBook Pro/Air Adapter Type C Thunderbolt 4 3 Converter for Apple iPhone 17 17e 16 Mac iPad Microsoft Surface Samsung Galaxy S26**Basesailor**$8.11**17,563 rev4y ago](https://www.amazon.com/dp/B09SZ5NHF4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Basesailor USB C to USB Adapter 3Pack USBC Male to A Female 3.0 OTG MacBook Pro/Air Adapter Type C Thunderbolt 4 3 Converter for Apple iPhone 17 17e 16 Mac iPad Microsoft Surface Samsung Galaxy S26**Basesailor**$8.11**4.7★**▲ 52%**](https://www.amazon.com/dp/B09SZ5NHF4) [**Apple USB-C to USB Adapter**Apple**$18.96**4.7★**▲ 25%**](https://www.amazon.com/dp/B0DCHPT88G) [**Apple Thunderbolt 3 (USB-C) to Thunderbolt2 Adapter**Apple**$47.54**4.6★**▲ 24%**](https://www.amazon.com/dp/B0DCHHPG2Y) [**Syntech USB C to USB Adapter 2 Pack USB C to USB 3 10Gbps Type C Thunderbolt 3 to USB Female Adapter OTG Cable Compatible with iPhone 17/16/15 Pro Max iPad mini 6 MacBook Pro/Air/Neo Black**Syntech**$10.65**4.6★**▲ 23%**](https://www.amazon.com/dp/B077FY7831) [**Syntech USB C to USB Adapter (2 Pack) 10Gbps USB3.2 Gen 2 Fit Side by Side Type C Male to A 3.2 Female Adapter Compatible with iPhone 17e 17 Pro Max/iPad/iMac/MacBook Pro & Thunderbolt 5/4 Devices**Syntech**$9.71**4.7★**— 9%**](https://www.amazon.com/dp/B0CNK3YK1J)
**~~View all trending →~~**
## **What buyers say about thunderbolt to usb adapter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**26%
*“As advertised”*
**Quality-Overall**20%
*“Solid build quality”*
**Value For Money**8%
*“Decent price”*
**Compatibility-Overall**8%
*“Perfect for my new MacBook Air”*
**Ease Of Use**6%
*“Quick and easy”*
**Connectivity-Overall**5%
*“Have had no issues with connectivity”*
**Size-Overall**4%
*“Fit perfectly”*
**Socket/Port/Plug**4%
*“Excellent USB A to USB C Adapter”*
**Portability**3%
*“Portable and great”*
**Charging**2%
*“Perfect for charging devices”*
### **What buyers complain about **
**Size-Overall**14%
*“These are small”*
**Functionality-Overall**13%
*“Did not work”*
**Compatibility-Overall**12%
*“My printer did not accept”*
**Connectivity-Overall**10%
*“Poor connection issues”*
**Quality-Overall**8%
*“Something wrong with quality control”*
**Durability**6%
*“Don't last”*
**Socket/Port/Plug**5%
*“The USB A end doesnt fit properly so it doesnt work”*
**Charging**4%
*“Does not charge”*
**Value For Money**3%
*“They are more expensive than others”*
**Ease Of Use**2%
*“difficult to use”*
### **Top return reasons **
**Compatibility-Overall**43%
**Size-Overall**14%
**Connectivity-Overall**10%
**Functionality-Overall**9%
**Value For Money**4%
**Socket/Port/Plug**4%
**Advertised Vs Actual Product**3%
**Defective Material/Parts**2%
**Charging**2%
**Data Transfer Speed**1%
## **Common questions**
- **Is thunderbolt to usb adapter profitable to sell on Amazon United States?**
- The niche generates $151K/yr across 10 tracked products. 90-day search growth is -25.4%. Flapen's verdict: Skip it (36/100).
- **How competitive is the thunderbolt to usb adapter niche?**
- 6 brands and 19 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in thunderbolt to usb adapter?**
- Top complaints mined from reviews: Size-Overall, Functionality-Overall, Compatibility-Overall. The return rate is 1.8%.
- **When does demand for thunderbolt to usb adapter peak?**
- Demand peaks in Dec; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the thunderbolt to usb adapter niche?**
- Listings span $4.64–$47.54; the average listing price is $13.96 (sweet spot $15–$100). The average incumbent carries 33,364 reviews — the moat a new listing must climb.
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