Is thunderbolt adapter profitable to sell on Amazon United States?

The niche generates $239K/yr across 6 tracked products. 90-day search growth is -13.4%. Flapen's verdict: Skip it (37/100).

How competitive is the thunderbolt adapter niche?

4 brands and 48 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in thunderbolt adapter?

Top complaints mined from reviews: Functionality-Overall, Socket/Port/Plug, Durability. The return rate is 4.2%.

When does demand for thunderbolt adapter peak?

Demand peaks in May–Jun; the busiest month runs 2.6× the quietest.

What does it cost to enter the thunderbolt adapter niche?

Listings span $15.58–$47.54; the average listing price is $29.45 (sweet spot $15–$100). The average incumbent carries 5,248 reviews — the moat a new listing must climb.

thunderbolt adapter

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Avg price

Incredible$29.45

avg listing price — sweet spot $15–$100

Price range

Incredible$15.58–$47.54

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good5.1%

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

Market size

Okay$239K

$239K/yr · 158K searches

Returns

Okay4.2%

return rate — above 5% kills the launch gate

Review moat

Bad5,248.33

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-13.4%

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

Competition

Bad97%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, thunderbolt adapter is a $239K/yr Amazon United States market (158K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun. Verdict: Skip it — 37/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

thunderbolt adapter market data

Units sold / yr: 8K–10K; avg 1,000–1,250/product
Revenue / yr: $236K–$295K; units × avg price
Conversion rate: 5.1%
Avg BSR: #645
Page quality: 0%
Prime: 83%
Sponsored: 50%
Out of stock: 0.0%
Avg brand age: 43 months
Avg seller age: 180 days

Competition & brand share

The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

97%

Top 20: 100%

Open market

Apple76%
Answin16%
StarTech.com5%
Anker3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.4% search growth over the last 90 days.

Peak months: May, Jun · busiest ÷ quietest = 2.6×

Open Trend

Top thunderbolt adapter search terms

thunderbolt 3 to thunderbolt 2 adapter20K/yr -9.3%6.3% conv.
thunderbolt 2 to thunderbolt 3 adapter19K/yr -2.0%4.2% conv.
thunderbolt adapter18K/yr -11.3%1.0% conv.
thunderbolt 2 to thunderbolt 314K/yr -15.8%3.8% conv.
thunderbolt 2 adapter15K/yr -15.4%1.2% conv.
apple thunderbolt 3 usb-c to thunderbolt 2 adapter10K/yr -8.8%8.5% conv.
apple thunderbolt 3 (usb-c) to thunderbolt 2 adapter8K/yr +8.2%9.3% conv.
thunderbolt 2 to usb c adapter9K/yr -21.8%2.4% conv.
apple thunderbolt 3 to thunderbolt 2 adapter4K/yr -5.5%11.7% conv.
thunderbolt adapter for mac6K/yr -17.0%2.8% conv.

All search terms

Top thunderbolt 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.

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

Apple Thunderbolt 3 (USB-C) to Thunderbolt2 Adapter

Apple$47.544.6★665 rev

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

Apple$45.534.6★9,488 rev

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$15.584.1★1,351 rev

StarTech.com Thunderbolt 3 to Thunderbolt 2 Adapter (Non-Reversible) - TB3 Laptop to TB2 (20Gbps) or TB1 (10Gbps) Devices / Displays - Black - Windows/Mac (TBT3TBTADAP)

StarTech.com$31.744.0★855 rev

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$15.954.4★847 rev

Newest

by launch date

Apple Thunderbolt 3 (USB-C) to Thunderbolt2 Adapter

Apple$47.54665 rev

1y ago

Anker USB C Hub 5-in-1 USBC to HDMI Splitter with 4K Display 1 x Powered USB-C 5Gbps & 2Powered USB-A 3.0 5Gbps Data Ports for MacBook Pro MacBook Air Dell and More

Anker$20.4018,284 rev

3y ago

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$15.95847 rev

6y ago

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$15.581,351 rev

7y ago

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

Apple$45.539,488 rev

7y ago

What buyers say about thunderbolt adapter

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

What buyers love

Advertised Vs Actual Product18%

“Works as advertised”

Quality-Overall16%

“Great consistent quality”

Connectivity-Overall9%

“The connection has been reliable”

Value For Money8%

“Good value for money”

Compatibility-Overall8%

“Its compatible with my Dell laptop”

Socket/Port/Plug6%

“All ports work”

Portability5%

“otherwise its portable”

Ease Of Use3%

“Easy to use”

Size-Overall2%

“I like the size”

Charging2%

“This is great because you can still have your magnetic charger connected while this is connected”

What buyers complain about

Functionality-Overall17%

“Did not work”

Socket/Port/Plug11%

“The HDMI port came bad”

Durability10%

“Fails in less than a month”

Connectivity-Overall9%

“Connection may short out”

Quality-Overall8%

“Anker has a serious quality control issue”

Compatibility-Overall5%

“Doesnt pair with apple”

Value For Money5%

“Feels cheaper than it is”

Charging3%

“Its not made for charging”

Length3%

“cord could of been a little longer”

Display Resolution2%

“I get some kind of weird stretched resolution that doesn't look right”

Top return reasons

Compatibility-Overall35%

Socket/Port/Plug19%

Connectivity-Overall13%

Functionality-Overall12%

Charging4%

Value For Money3%

Size-Overall3%

Advertised Vs Actual Product3%

Defective Material/Parts2%

Length2%

Common questions

Is thunderbolt adapter profitable to sell on Amazon United States?: The niche generates $239K/yr across 6 tracked products. 90-day search growth is -13.4%. Flapen's verdict: Skip it (37/100).
How competitive is the thunderbolt adapter niche?: 4 brands and 48 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in thunderbolt adapter?: Top complaints mined from reviews: Functionality-Overall, Socket/Port/Plug, Durability. The return rate is 4.2%.
When does demand for thunderbolt adapter peak?: Demand peaks in May–Jun; the busiest month runs 2.6× the quietest.
What does it cost to enter the thunderbolt adapter niche?: Listings span $15.58–$47.54; the average listing price is $29.45 (sweet spot $15–$100). The average incumbent carries 5,248 reviews — the moat a new listing must climb.