Is usb 3.0 to dual hdmi adapter profitable to sell on Amazon United States?

The niche generates $208K/yr across 23 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -2.8%. Flapen's verdict: Skip it (38/100).

How competitive is the usb 3.0 to dual hdmi adapter niche?

7 brands and 100 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 99% of demand.

What do buyers complain about in usb 3.0 to dual hdmi adapter?

Top complaints mined from reviews: Functionality-Overall, Durability, Compatibility-Overall. The return rate is 5.2% — above our launch gate.

When does demand for usb 3.0 to dual hdmi adapter peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the usb 3.0 to dual hdmi adapter niche?

Listings span $10.22–$452.75; the average listing price is $100.67 (sweet spot $15–$100). The average incumbent carries 1,445 reviews — the moat a new listing must climb.

usb 3.0 to dual hdmi adapter

Skip it

Brand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.

Avg price

Great$100.67

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good1,445.09

avg incumbent reviews — the moat a new listing must climb

Competition

Okay57%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay3.4%

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

Market size

Okay$208K

$208K/yr · 62K searches

Growth

Bad-2.8%

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

Returns

Bad5.2%

return rate — above 5% kills the launch gate

Price range

Bad$10.22–$452.75

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

Brand share

Bad99%

top-5 brand share — brand-locked demand

Signals High Returns High Price

According to Flapen's Amazon United States niche tracking, usb 3.0 to dual hdmi adapter is a $208K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 99% of demand. Verdict: Skip it — 38/100.

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

usb 3.0 to dual hdmi adapter market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $201K–$252K; units × avg price
Conversion rate: 3.4%
Avg BSR: #146
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.0%
Avg brand age: 45 months
Avg seller age: 171 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 falling

Sellers

100

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

57%

Top 20: 96%

Open market

StarTech.com83%
vilcome8%
MOKiN3%
Eanetf2%
Acer1%
THANDBLE1%
Open — no brand owns it (1 brand, 1%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top usb 3.0 to dual hdmi adapter search terms

startech38K/yr -1.3%0.9% conv.
startech.com7K/yr -20.8%1.5% conv.
star tech5K/yr +10.8%2.3% conv.
usb 3.0 to dual hdmi adapter5K/yr -2.3%7.9% conv.
hdmi splitter with usb port3K/yr +79.9%1.3% conv.
usb to dual hdmi3K/yr -28.6%8.2% conv.
startech.com usb 3.0 to dual hdmi adapter922/yr -70.2%9.8% conv.

All search terms

Top usb 3.0 to dual hdmi 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

StarTech USB-A 3.0 to Dual HDMI Adapter 4K 30Hz + 1080p 60Hz Windows only

StarTech.com$38.234.5★9,613 rev

StarTech Crash Cart Adapter File Transfer USB VGA KVM TAA (NOTECONS02)

StarTech.com$452.753.7★205 rev

StarTech USB-C Triple 4K Dock with 100W PD DP 1.4 DSC 6-Port 10Gbps GbE

StarTech.com$138.464.3★149 rev

StarTech Universal USB-C Triple 4K Dock MacBook Pro Air & Windows HDMI DP

StarTech.com$173.404.1★103 rev

StarTech Crash Cart Adapter Server Management USB VGA TAA (NOTECONS01)

StarTech.com$366.474.1★123 rev

Newest

by launch date

StarTech Driverless USB4 Dock Dual 4K 144Hz for Mac and Windows 100W

StarTech.com$131.9236 rev

3mo ago

Acer 4-in-1 USB C Hub Type C to Dual HDMI Adapter 4K@60Hz HDMI Splitter for Dual Monitors with 100W PD Port USB 3.0 Dual Monitor Adapter for USB C Devices with DP Alt Mode (0.65FT)

Acer$27.48479 rev

4mo ago

THANDBLE USB to Dual HDMI Adapter 1080P 60Hz USB A 3.0 to HDMI Adapter for Laptop PC Desktop Compatible with Mac OS Windows 7/8/10/11 - Requires Driver Installation

THANDBLE$26.8838 rev

10mo ago

vilcome USB to HDMI Adapter USB 3.0 to Dual HDMI Adapter Audio Video Graphics Converter Cable for Laptop Monitor Desktop TV Compatible with Mac OS Windows

vilcome$26.222,615 rev

11mo ago

vilcome USB to HDMI Adapter USB 3.0 to Dual HDMI Adapter with USB 3.0 Port Audio Video Graphics Converter Cable for Laptop Monitor Desktop TV Compatible with Mac OS Windows

vilcome$24.37103 rev

11mo ago

What buyers say about usb 3.0 to dual hdmi adapter

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

What buyers love

Quality-Overall12%

“Excellent Product”

Advertised Vs Actual Product12%

“As advertised”

Compatibility-Overall10%

“Compatibility has been great too”

Value For Money8%

“Good price”

Connectivity-Overall7%

“It is easy to connect and very useful”

Ease Of Use7%

“Easy-to-use after following instructions”

Socket/Port/Plug7%

“it helped having extra usb port also especially a fully functioning usb c port”

Assembly/Installation5%

“Easy to set up”

Functionality-Overall4%

“It works great”

Portability3%

“This is awesome for portable use”

What buyers complain about

Functionality-Overall16%

“Did not work well”

Durability11%

“failed before 1 year”

Compatibility-Overall9%

“Compatibility Falls Short”

Connectivity-Overall8%

“it doesn't connect well”

Quality-Overall6%

“Quality wasn't the best”

Socket/Port/Plug5%

“One of the hdmi ports was bad”

Software/Application4%

“apps is also tricky”

Advertised Vs Actual Product3%

“Does not work as described”

Display Resolution3%

“This doesnt support 4k display”

Value For Money2%

“It's not cheap”

Top return reasons

Compatibility-Overall44%

Functionality-Overall15%

Connectivity-Overall10%

Socket/Port/Plug9%

Value For Money3%

Defective Material/Parts3%

Advertised Vs Actual Product2%

Size-Overall2%

Display Resolution1%

Software/Application1%

Common questions

Is usb 3.0 to dual hdmi adapter profitable to sell on Amazon United States?: The niche generates $208K/yr across 23 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -2.8%. Flapen's verdict: Skip it (38/100).
How competitive is the usb 3.0 to dual hdmi adapter niche?: 7 brands and 100 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 99% of demand.
What do buyers complain about in usb 3.0 to dual hdmi adapter?: Top complaints mined from reviews: Functionality-Overall, Durability, Compatibility-Overall. The return rate is 5.2% — above our launch gate.
When does demand for usb 3.0 to dual hdmi adapter peak?: Demand is steady year-round — the busiest month runs 1.7× the quietest.
What does it cost to enter the usb 3.0 to dual hdmi adapter niche?: Listings span $10.22–$452.75; the average listing price is $100.67 (sweet spot $15–$100). The average incumbent carries 1,445 reviews — the moat a new listing must climb.