Is 40b00300us profitable to sell on Amazon United States?

The niche generates $934K/yr across 11 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -5.4%. Flapen's verdict: Skip it (46/100).

How competitive is the 40b00300us niche?

3 brands and 122 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 40b00300us?

Top complaints mined from reviews: Functionality-Overall, Value For Money, Product Condition. The return rate is 2.5%.

When does demand for 40b00300us peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the 40b00300us niche?

Listings span $219.10–$393.61; the average listing price is $289.20 (sweet spot $15–$100). The average incumbent carries 130 reviews — the moat a new listing must climb.

40b00300us

Skip it

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

Review moat

Great130.36

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Market size

Great$934K

$934K/yr · 45K searches

Conversion

Great7.1%

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

Returns

Good2.5%

return rate — above 5% kills the launch gate

Avg price

Okay$289.20

avg listing price — sweet spot $15–$100

Growth

Bad-5.4%

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

Competition

Bad78%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad$219.10–$393.61

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

Signals High Price

According to Flapen's Amazon United States niche tracking, 40b00300us is a $934K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

40b00300us market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: $1.2M–$1.4M; units × avg price
Conversion rate: 7.1%
Avg BSR: #318
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 1.3%
Avg brand age: 33 months
Avg seller age: 183 days

Competition & brand share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

122

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

Lenovo60%
ANYHDD23%
Koncept17%

Demand & seasonality

Weekly Amazon search volume, last 82 weeks — -5.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top 40b00300us search terms

lenovo thunderbolt 4 dock15K/yr -3.2%6.0% conv.
lenovo thinkpad universal thunderbolt 4 dock6K/yr +28.2%8.4% conv.
thinkpad thunderbolt 4 workstation dock6K/yr -17.9%5.6% conv.
lenovo thinkpad thunderbolt 4 workstation dock4K/yr -4.2%6.8% conv.
lenovo thunderbolt dock4K/yr -3.1%4.2% conv.
thinkpad universal thunderbolt 4 dock5K/yr -34.8%4.9% conv.
lenovo docking station thunderbolt 44K/yr -12.5%10.0% conv.
thinkpad thunderbolt 4 dock2K/yr -9.1%4.0% conv.

All search terms

Top 40b00300us 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Lenovo ThinkPad Universal Thunderbolt 4 Dock 4 Displays Dynamic Power Charging up to 100W Black

Lenovo$234.693.9★330 rev

40B00135US Lenovo Thinkpad Docking Station USB C - 1 Year Warranty Supports 4K Display Thunderbolt 4 Dock with 135W Adapter HDMI DisplayPort Thunderbolt Cables & Cloth - Lenovo Docking Station

ANYHDD$279.184.1★80 rev

Lenovo ThinkPad Thunderbolt 4 Smart Dock Gen 2 7500 Multiple Display Support Integrated 1M Thunderbolt 4 Cable Remote Hardware Management 40Gbps Data Speed 100W Power Delivery Black

Lenovo$269.443.9★330 rev

Lenovo ThinkPad Thunderbolt 4 Workstation Dock

Lenovo$287.243.9★150 rev

40B00300US Thinkpad Docking Station USB C 4K Lenovo Thunderbolt 4 Dock

Koncept$364.244.2★18 rev

Newest

by launch date

Lenovo ThinkPad Thunderbolt 4 Smart Dock Gen 2 7500 Multiple Display Support Integrated 1M Thunderbolt 4 Cable Remote Hardware Management 40Gbps Data Speed 100W Power Delivery Black

Lenovo$269.44330 rev

8mo ago

Lenovo ThinkPad USB 4 Smart Dock 5500 w/ 135W Adapter Supports up to 4 Displays 100W Power to Laptop Integrated USB4 Cable Eclipse Black

Lenovo$219.1061 rev

8mo ago

Lenovo ThinkPad Thunderbolt 5 Smart Dock 7500 120Gbps Data Transfer 180W Power Delivery Multiple Display Support 2.5Gbps Ethernet Black

Lenovo$393.61330 rev

8mo ago

40B00300US Thinkpad Docking Station USB C 4K Lenovo Thunderbolt 4 Dock

Koncept$364.2418 rev

9mo ago

40B00135US Lenovo Thinkpad Docking Station USB C - 1 Year Warranty Supports 4K Display Thunderbolt 4 Dock with 135W Adapter HDMI DisplayPort Thunderbolt Cables & Cloth - Lenovo Docking Station

ANYHDD$279.1880 rev

1y ago

What buyers say about 40b00300us

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

What buyers love

Assembly/Installation12%

“Easy set up”

Connectivity-Overall11%

“Connectivity is amazing”

Advertised Vs Actual Product10%

“Exactly what I needed”

Strength9%

“Solid Product”

Ease Of Use8%

“It's extremely easy to use”

Quality-Overall8%

“Amazing quality and easy setup”

Value For Money7%

“it was cheaper”

Portability6%

“Its really compact”

Display Resolution5%

“smooth 4K display support”

Socket/Port/Plug5%

“It connects easily via USB-C, providing power and data transfer without any issues”

What buyers complain about

Functionality-Overall19%

“I have had terrible performance trying to run a pair of 4k monitors”

Value For Money12%

“Its towards the more expensive side for docking stations”

Product Condition11%

“not convinced the dock is really new”

Durability10%

“Stopped working after two months”

Software/Application6%

“Lenovo firmware update tool does not work with Windows”

Audio Quality5%

“the sound in the monitor speakers would die out in 3-5 minutes after bootup”

Socket/Port/Plug5%

“the lack of USB-C ports on unit is not great”

Display Brightness4%

“brightness is average”

Connectivity-Overall3%

“It cannot provide you with connection to more than 1 monitor”

Compatibility-Overall3%

“BUYER BEWARE: COMPATIBILITY”

Top return reasons

Compatibility-Overall36%

Connectivity-Overall11%

Functionality-Overall9%

Charging9%

Socket/Port/Plug6%

Defective Material/Parts6%

Product Condition6%

Value For Money4%

Advertised Vs Actual Product3%

Size-Overall1%

Common questions

Is 40b00300us profitable to sell on Amazon United States?: The niche generates $934K/yr across 11 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -5.4%. Flapen's verdict: Skip it (46/100).
How competitive is the 40b00300us niche?: 3 brands and 122 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 40b00300us?: Top complaints mined from reviews: Functionality-Overall, Value For Money, Product Condition. The return rate is 2.5%.
When does demand for 40b00300us peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the 40b00300us niche?: Listings span $219.10–$393.61; the average listing price is $289.20 (sweet spot $15–$100). The average incumbent carries 130 reviews — the moat a new listing must climb.

40b00300us

40b00300us market data

Competition & brand share

Demand & seasonality

Top 40b00300us search terms

Top 40b00300us products on Amazon

Top sellers

Newest

Trending

What buyers say about 40b00300us

What buyers love

What buyers complain about

Top return reasons

Common questions

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