Is thunderbolt to usb c profitable to sell on Amazon United Kingdom?

The niche generates £23K/yr across 9 tracked products. 90-day search growth is -27.2%. Flapen's verdict: Skip it (31/100).

How competitive is the thunderbolt to usb c niche?

6 brands and 39 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 98% of demand.

What do buyers complain about in thunderbolt to usb c?

Top complaints mined from reviews: Compatibility-Overall, Connectivity-Overall, Functionality-Overall. The return rate is 5.8% — above our launch gate.

When does demand for thunderbolt to usb c peak?

Demand peaks in Jan; the busiest month runs 1.8× the quietest.

What does it cost to enter the thunderbolt to usb c niche?

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.

thunderbolt to usb c

Skip it

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

Quality gap

Great4.2★

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

Good821.44

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.3%

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

Returns

Bad5.8%

return rate — above 5% kills the launch gate

Competition

Bad85%

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

Bad98%

top-5 brand share — brand-locked demand

Signals Low Review Barrier High Returns

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

thunderbolt to usb c market data

Units sold / yr: 750–1K; avg 100–250/product
Revenue / yr: £12K–£16K; units × avg price
Conversion rate: 4.3%
Avg BSR: #1,192
Page quality: 0%
Prime: 100%
Sponsored: 78%
Out of stock: 0.0%
Avg brand age: 42 months
Avg seller age: 205 days

Competition & brand share

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

Brands

6 falling

Sellers

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

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.

Peak months: Jan · busiest ÷ quietest = 1.8×

Open Trend

Top thunderbolt to usb c search terms

thunderbolt 2 to usb c9K/yr -28.1%2.0% conv.
thunderbolt to usb c6K/yr -26.4%2.4% conv.
usb c to thunderbolt5K/yr -27.9%0.9% conv.
thunderbolt 3 to thunderbolt 24K/yr -33.9%4.3% conv.
thunderbolt to usb c adapter3K/yr -16.9%1.5% conv.
apple thunderbolt 3 usb-c to thunderbolt 2 adapter2K/yr -25.2%7.0% conv.
thunderbolt 3 to thunderbolt 2 adapter2K/yr -30.5%5.0% conv.
usb c to thunderbolt 22K/yr -20.5%1.4% conv.
thunderbolt 2 to thunderbolt 31K/yr -27.6%2.2% conv.

All 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.

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

Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter

Apple£39.014.6★457 rev

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£11.183.9★508 rev

StarTech.com TBT3TBTADAP Thunderbolt 3 to Thunderbolt Adapter - Windows and Mac Black

StarTech£23.313.9★837 rev

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£16.354.3★545 rev

JSER USB 3.1 Type C USB-C to Mini DisplayPort DP Male 4K Monitor Cable for MacBook & Laptop 1.8m

JSER£12.134.4★184 rev

Newest

by launch date

Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter

Apple£39.01457 rev

1y ago

StarTech 6ft USB-C to Mini DisplayPort 1.2 Cable 4K 60Hz Black

StarTech£11.47160 rev

2y ago

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£4.854,396 rev

4y ago

StarTech USB-C to Mini DisplayPort Adapter 4K 60Hz HBR2 12in Cable

StarTech£12.8792 rev

4y ago

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£16.35545 rev

6y ago

What buyers say about thunderbolt to usb c

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

What buyers love

Value For Money31%

“Value for money”

Advertised Vs Actual Product19%

“As Advertised”

Quality-Overall15%

“The item is fine well made”

Compatibility-Overall8%

“Perfect for old Apple Displays”

Connectivity-Overall8%

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

Ease Of Use8%

“Useful”

Socket/Port/Plug8%

“Great USB-C to min DisplayPort cable”

Size-Overall4%

“Fits and works well”

What buyers complain about

Compatibility-Overall33%

“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-Overall33%

“Connector not working”

Functionality-Overall8%

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

Defective Material/Parts8%

“Only 2 out of the 3 adapters worked”

Advertised Vs Actual Product8%

“LET THEM KNOW THAT MISLEADING DESCRIPTIONS WONT GENERATE REVENUE”

Quality-Overall8%

“Not the best”

Top return reasons

Compatibility-Overall49%

Functionality-Overall26%

Connectivity-Overall13%

Defective Material/Parts3%

Size-Overall3%

Advertised Vs Actual Product2%

Socket/Port/Plug1%

Touch Screen1%

Adhesion/Stickiness0%

Add-Ons/Attachments0%

Common questions

Is thunderbolt to usb c profitable to sell on Amazon United Kingdom?: The niche generates £23K/yr across 9 tracked products. 90-day search growth is -27.2%. Flapen's verdict: Skip it (31/100).
How competitive is the thunderbolt to usb c niche?: 6 brands and 39 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in thunderbolt to usb c?: Top complaints mined from reviews: Compatibility-Overall, Connectivity-Overall, Functionality-Overall. The return rate is 5.8% — above our launch gate.
When does demand for thunderbolt to usb c peak?: Demand peaks in Jan; the busiest month runs 1.8× the quietest.
What does it cost to enter the thunderbolt to usb c niche?: 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.