---
title: "Thunderbolt to Usb C — £23K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/thunderbolt-to-usb-c"
last_updated: "2026-07-31T12:38:53.719Z"
locale: en
meta:
  description: "Niche score 31/100 · £23K/yr market · 33K searches/yr · £15.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 31/100 · £23K/yr market · 33K searches/yr · £15.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Thunderbolt to Usb C — £23K/yr Amazon UK Niche (2026) - Flapen"
---

# **thunderbolt to usb c**

**Skip it**

A small market ($23K/yr) — this niche doesn't clear our bar today.

Market size 6Growth 11Conversion 52Competition 13Returns 22Price range 70Avg price 77Brand share 6Review moat 67Quality gap 79

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Great****£15.88**

avg listing price — sweet spot $15–$100

**Price range**

**Good****£4.85–£39.01**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Good****821.44**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****4.3%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Bad****5.8%**

return rate — above 5% kills the launch gate

**Competition**

**Bad****85%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-27.2%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****£23K**

£23K/yr · 33K searches

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=uk&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United Kingdom niche tracking, thunderbolt to usb c is a £23K/yr Amazon United Kingdom market (33K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jan. Verdict: Skip it — 31/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **thunderbolt to usb c market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**750–1K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£12K–£16K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,192**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**78%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**42 months**</dd>

<dt>**Avg seller age**</dt><dd>**205 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **▼falling

**Sellers**

**39**

**Top-5 brand share**

**98%**

Top 20: 100%

**Top-5 click share**

**85%**

Top 20: 100%

**Open market**

**0%**

- Apple44% - StarTech24% - YMY11% - Cable Matters9% - JSER8% - Henrety2%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -27.2% search growth over the last 90 days.

1K600Spike '24Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

[**Open Trend **](https://flapen.com/research/uk/computers-accessories/thunderbolt-to-usb-c/trend)

## **Top thunderbolt to usb c search terms**

- **thunderbolt 2 to usb c**9K/yr-28.1%2.0% conv. - **thunderbolt to usb c**6K/yr-26.4%2.4% conv. - **usb c to thunderbolt**5K/yr-27.9%0.9% conv. - **thunderbolt 3 to thunderbolt 2**4K/yr-33.9%4.3% conv. - **thunderbolt to usb c adapter**3K/yr-16.9%1.5% conv. - **apple thunderbolt 3 usb-c to thunderbolt 2 adapter**2K/yr-25.2%7.0% conv. - **thunderbolt 3 to thunderbolt 2 adapter**2K/yr-30.5%5.0% conv. - **usb c to thunderbolt 2**2K/yr-20.5%1.4% conv. - **thunderbolt 2 to thunderbolt 3**1K/yr-27.6%2.2% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/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%£3K30%£7K45%£10K60%£14K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 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 Thunderbolt 2 Adapter](https://m.media-amazon.com/images/I/1185hGHl-ZL.jpg)**Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter**Apple**£39.01**4.6★457 rev](https://www.amazon.co.uk/dp/B0DCNXRH62) [2![YMY USB C to Mini Displayport Adapter 4K@60hz Type C to Mini DP Video Converter Cable Support USB-C Devices with DP/ALT Mode to LED Cinema Display iMac etc Mini DP Display Devices](https://m.media-amazon.com/images/I/31LeV+56BrL.jpg)**YMY USB C to Mini Displayport Adapter 4K@60hz Type C to Mini DP Video Converter Cable Support USB-C Devices with DP/ALT Mode to LED Cinema Display iMac etc Mini DP Display Devices**YMY**£11.18**3.9★508 rev](https://www.amazon.co.uk/dp/B07HLPKGCT) [3![StarTech.com TBT3TBTADAP Thunderbolt 3 to Thunderbolt Adapter - Windows and Mac Black](https://m.media-amazon.com/images/I/31BXiIdHVoL.jpg)**StarTech.com TBT3TBTADAP Thunderbolt 3 to Thunderbolt Adapter - Windows and Mac Black**StarTech**£23.31**3.9★837 rev](https://www.amazon.co.uk/dp/B019FPJDQ2) [4![Cable Matters Unidirectional 4K USB C to Mini DisplayPort Cable - 1.8m Supports 4K@60Hz USB C to Mini DP Cable - Not Compatible with USBC or Thunderbolt 3 Storage Not for Thunderbolt/USBC Monitor](https://m.media-amazon.com/images/I/41PKQF0j2FL.jpg)**Cable Matters Unidirectional 4K USB C to Mini DisplayPort Cable - 1.8m Supports 4K@60Hz USB C to Mini DP Cable - Not Compatible with USBC or Thunderbolt 3 Storage Not for Thunderbolt/USBC Monitor**Cable Matters**£16.35**4.3★545 rev](https://www.amazon.co.uk/dp/B07PGJXZGH) [5![JSER USB 3.1 Type C USB-C to Mini DisplayPort DP Male 4K Monitor Cable for MacBook & Laptop 1.8m](https://m.media-amazon.com/images/I/31FabHxzmjL.jpg)**JSER USB 3.1 Type C USB-C to Mini DisplayPort DP Male 4K Monitor Cable for MacBook & Laptop 1.8m**JSER**£12.13**4.4★184 rev](https://www.amazon.co.uk/dp/B06Y63B1XN)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter](https://m.media-amazon.com/images/I/1185hGHl-ZL.jpg)**Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter**Apple**£39.01**457 rev1y ago](https://www.amazon.co.uk/dp/B0DCNXRH62) [![StarTech 6ft USB-C to Mini DisplayPort 1.2 Cable 4K 60Hz Black](https://m.media-amazon.com/images/I/41sRHerDByL.jpg)**StarTech 6ft USB-C to Mini DisplayPort 1.2 Cable 4K 60Hz Black**StarTech**£11.47**160 rev2y ago](https://www.amazon.co.uk/dp/B079YHHPF1) [![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)](https://m.media-amazon.com/images/I/31dTcrlbkjL.jpg)**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**£4.85**4,396 rev4y ago](https://www.amazon.co.uk/dp/B0B4S2SKNH) [![StarTech USB-C to Mini DisplayPort Adapter 4K 60Hz HBR2 12in Cable](https://m.media-amazon.com/images/I/315UciLNXkL.jpg)**StarTech USB-C to Mini DisplayPort Adapter 4K 60Hz HBR2 12in Cable**StarTech**£12.87**92 rev4y ago](https://www.amazon.co.uk/dp/B09HSJXJ9T) [![Cable Matters Unidirectional 4K USB C to Mini DisplayPort Cable - 1.8m Supports 4K@60Hz USB C to Mini DP Cable - Not Compatible with USBC or Thunderbolt 3 Storage Not for Thunderbolt/USBC Monitor](https://m.media-amazon.com/images/I/41PKQF0j2FL.jpg)**Cable Matters Unidirectional 4K USB C to Mini DisplayPort Cable - 1.8m Supports 4K@60Hz USB C to Mini DP Cable - Not Compatible with USBC or Thunderbolt 3 Storage Not for Thunderbolt/USBC Monitor**Cable Matters**£16.35**545 rev6y ago](https://www.amazon.co.uk/dp/B07PGJXZGH)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![StarTech 6ft USB-C to Mini DisplayPort 1.2 Cable 4K 60Hz Black](https://m.media-amazon.com/images/I/41sRHerDByL.jpg)**StarTech 6ft USB-C to Mini DisplayPort 1.2 Cable 4K 60Hz Black**StarTech**£11.47**4.2★**▲ 150%**](https://www.amazon.co.uk/dp/B079YHHPF1) [![StarTech USB-C to Mini DisplayPort Adapter 4K 60Hz HBR2 12in Cable](https://m.media-amazon.com/images/I/315UciLNXkL.jpg)**StarTech USB-C to Mini DisplayPort Adapter 4K 60Hz HBR2 12in Cable**StarTech**£12.87**4.0★**▲ 36%**](https://www.amazon.co.uk/dp/B09HSJXJ9T) [![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)](https://m.media-amazon.com/images/I/31dTcrlbkjL.jpg)**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**£4.85**4.5★**▲ 33%**](https://www.amazon.co.uk/dp/B0B4S2SKNH) [![Cable Matters Unidirectional 4K USB C to Mini DisplayPort Cable - 1.8m Supports 4K@60Hz USB C to Mini DP Cable - Not Compatible with USBC or Thunderbolt 3 Storage Not for Thunderbolt/USBC Monitor](https://m.media-amazon.com/images/I/41PKQF0j2FL.jpg)**Cable Matters Unidirectional 4K USB C to Mini DisplayPort Cable - 1.8m Supports 4K@60Hz USB C to Mini DP Cable - Not Compatible with USBC or Thunderbolt 3 Storage Not for Thunderbolt/USBC Monitor**Cable Matters**£16.35**4.3★**▲ 19%**](https://www.amazon.co.uk/dp/B07PGJXZGH) [![StarTech.com TBT3TBTADAP Thunderbolt 3 to Thunderbolt Adapter - Windows and Mac Black](https://m.media-amazon.com/images/I/31BXiIdHVoL.jpg)**StarTech.com TBT3TBTADAP Thunderbolt 3 to Thunderbolt Adapter - Windows and Mac Black**StarTech**£23.31**3.9★**▲ 13%**](https://www.amazon.co.uk/dp/B019FPJDQ2)

**~~View all trending →~~**

## **What buyers say about thunderbolt to usb c**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**31%

*“Value for money”*

**Advertised Vs Actual Product**19%

*“As Advertised”*

**Quality-Overall**15%

*“The item is fine well made”*

**Compatibility-Overall**8%

*“Perfect for old Apple Displays”*

**Connectivity-Overall**8%

*“works perfectly to connect my Apple Cinema screen to my KVM device”*

**Ease Of Use**8%

*“Useful”*

**Socket/Port/Plug**8%

*“Great USB-C to min DisplayPort cable”*

**Size-Overall**4%

*“Fits and works well”*

### **What buyers complain about **

**Compatibility-Overall**33%

*“The cable I received was not working on my home MacMini (i5, 2018) my work macbook pro (2025) and my sons my macbook mini (M1 version). Likely a faulty item since other customers have found it to work with the same devices.”*

**Connectivity-Overall**33%

*“Connector not working”*

**Functionality-Overall**8%

*“IF YOU DO BUY IT AND DOESNT WORK, SEND IT BACK”*

**Defective Material/Parts**8%

*“Only 2 out of the 3 adapters worked”*

**Advertised Vs Actual Product**8%

*“LET THEM KNOW THAT MISLEADING DESCRIPTIONS WONT GENERATE REVENUE”*

**Quality-Overall**8%

*“Not the best”*

### **Top return reasons **

**Compatibility-Overall**49%

**Functionality-Overall**26%

**Connectivity-Overall**13%

**Defective Material/Parts**3%

**Size-Overall**3%

**Advertised Vs Actual Product**2%

**Socket/Port/Plug**1%

**Touch Screen**1%

**Adhesion/Stickiness**0%

**Add-Ons/Attachments**0%

## **Common questions**

<dl>

<dt>**Is thunderbolt to usb c profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £23K/yr across 9 tracked products. 90-day search growth is -27.2%. Flapen's verdict: Skip it (31/100).</dd>

<dt>**How competitive is the thunderbolt to usb c niche?**</dt><dd>6 brands and 39 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 98% of demand.</dd>

<dt>**What do buyers complain about in thunderbolt to usb c?**</dt><dd>Top complaints mined from reviews: Compatibility-Overall, Connectivity-Overall, Functionality-Overall. The return rate is 5.8% — above our launch gate.</dd>

<dt>**When does demand for thunderbolt to usb c peak?**</dt><dd>Demand peaks in Jan; the busiest month runs 1.8× the quietest.</dd>

<dt>**What does it cost to enter the thunderbolt to usb c niche?**</dt><dd>Listings span £4.85–£39.01; the average listing price is £15.88 (sweet spot $15–$100). The average incumbent carries 821 reviews — the moat a new listing must climb.</dd>

</dl>

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