Is usb 3.0 to usb c profitable to sell on Amazon United States?

The niche generates $124K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -6.0%. Flapen's verdict: Skip it (37/100).

How competitive is the usb 3.0 to usb c niche?

13 brands and 23 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 82% of demand.

What do buyers complain about in usb 3.0 to usb c?

Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Compatibility-Overall. The return rate is 1.6%.

When does demand for usb 3.0 to usb c peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the usb 3.0 to usb c niche?

Listings span $6.19–$15.53; the average listing price is $8.98 (sweet spot $15–$100). The average incumbent carries 26,468 reviews — the moat a new listing must climb.

usb 3.0 to usb c

Skip it

Prices mostly outside the sweet spot ($6.19–$15.53) — this niche doesn't clear our bar today.

Returns

Great1.6%

return rate — above 5% kills the launch gate

Conversion

Great8.8%

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

Brand share

Okay82%

top-5 brand share — brands hold most of the demand

Competition

Okay65%

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

Market size

Okay$124K

$124K/yr · 156K searches

Avg price

Okay$8.98

avg listing price — sweet spot $15–$100

Growth

Bad-6.0%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Review moat

Bad26,467.61

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$6.19–$15.53

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

According to Flapen's Amazon United States niche tracking, usb 3.0 to usb c is a $124K/yr Amazon United States market (156K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 37/100.

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

usb 3.0 to usb c market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: $135K–$180K; units × avg price
Conversion rate: 8.8%
Avg BSR: #196
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 0.0%
Avg brand age: 37 months
Avg seller age: 192 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

15%

UGREEN33%
LDLrui30%
Cable Matters8%
ienza7%
Anker5%
IRMZ3%
Open — no brand owns it (7 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top usb 3.0 to usb c search terms

usb 3.0 to usb c46K/yr -5.3%7.8% conv.
usb 3 to usb c26K/yr -4.7%8.4% conv.
usb c to usb 3.013K/yr -19.2%8.7% conv.
usb3 to usb c12K/yr -10.3%7.6% conv.
usb c to usb 3.0 cable8K/yr +9.1%4.2% conv.
usb c to usb 37K/yr -2.5%7.9% conv.
usb 3.0 to usb c cable6K/yr -9.8%5.9% conv.
usb 3 to usb c cable6K/yr -11.3%6.6% conv.
usb 3.0 cable to usb c4K/yr +23.9%7.1% conv.
usb 3.0 a to c3K/yr +2.6%4.3% conv.

All search terms

Top usb 3.0 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

USB C Cable-3FT LDLrui USB C to USB A 3.1 Gen 2 Cable Type C 3A Fast Charge & 10Gbps Data Sync Cable for Android Auto iPhone 16/15 Plus/16 Pro Max MacBook Samsung Galaxy S22/S21/S20/Note20 Pixel

LDLrui$6.194.5★8,843 rev

UGREEN USB to USB C Adapter 3Pack USB C Female to USB Male Adapter 10Gbps Type C Converter for iPhone 17 16 15 14 13 Plus Pro Max iPad Air Mini 6 7 Samsung Galaxy S23 S24 iPad Air Black

UGREEN$7.234.7★17,931 rev

UGREEN 10 Gbps Micro B to USB C Hard Drive Cables 1.5FT USB C to Micro B External Hard Drive Cable Compatible with MacBook Pro/Air iPad/Tablet iPhone Samsung Galaxy S24 WD Seagate etc

UGREEN$8.364.7★7,340 rev

UGREEN USB to USB C Cable USB C 3.0 Cable 5Gbps Data Transfer Type C Cable Fast Charging Nylon Braided Cord for Android Auto/iPhone 16/Galaxy S21 S20 A53 A71/iPad Mini 6/Switch/PS5 Controller 3.3FT

UGREEN$9.984.7★6,623 rev

3FT External Hard Drive Cord to USB C for Western Digital WD My Passport Seagate Toshiba Canvio LaCie etc Compatible with iPhone 15 PC Mac Samsung LG Moto Pixel & Other USB-C Devices

ienza$10.134.7★1,034 rev

Newest

by launch date

UGREEN USB to USB C Adapter & USB C to USB Adapter Combo 4-Pack 10Gbps Type C USBC Adapter Compatible with MacBook iPhone 17/16/15 iPad Samsung Galaxy Apple Watch

UGREEN$8.023,384 rev

10mo ago

USB C Data Cable White 3ft USB 3.0 to USB C Data Transfer Cable 10Gbps High Speed USB A to USBC Data Cable for iPhone 17 16 Pro Max Samsung Galaxy S25 S24

IRMZ$7.01697 rev

1y ago

3FT External Hard Drive Cord to USB C for Western Digital WD My Passport Seagate Toshiba Canvio LaCie etc Compatible with iPhone 15 PC Mac Samsung LG Moto Pixel & Other USB-C Devices

ienza$10.131,034 rev

1y ago

UGREEN USB to USB C Adapter 3Pack USB C Female to USB Male Adapter 10Gbps Type C Converter for iPhone 17 16 15 14 13 Plus Pro Max iPad Air Mini 6 7 Samsung Galaxy S23 S24 iPad Air Black

UGREEN$7.2317,931 rev

2y ago

USB C Cable 10ft USB-A to USB-C Cable USB 3.1 USB 3.2 Gen2 10Gbps Data Charger Cord for Samsung Galaxy S24 S23 S22 S21 S20 S10 S9 S8+ Android Auto USB Cord and iPhone 15/15 Pro Nylon Braided.

Elfesoul$9.66740 rev

2y ago

What buyers say about usb 3.0 to usb c

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

What buyers love

Advertised Vs Actual Product22%

“As Advertised”

Quality-Overall20%

“Solid build quality”

Value For Money9%

“Decent price”

Compatibility-Overall8%

“Works amazing with my mac”

Charging5%

“Great Charger”

Connectivity-Overall5%

“Easy to connect”

Ease Of Use5%

“Quick and easy”

Size-Overall4%

“Fit perfectly”

Socket/Port/Plug3%

“Great USB-A to USB-C, all combinations, adapters”

Data Transfer Speed3%

“Data transfer speeds are good”

What buyers complain about

Connectivity-Overall12%

“Does not stay connected”

Functionality-Overall10%

“Slow”

Compatibility-Overall10%

“Limited Compatibility”

Charging10%

“would not charge phone”

Size-Overall9%

“Too short”

Durability7%

“Broke quickly”

Quality-Overall7%

“Bad quality”

Socket/Port/Plug4%

“not compatible and locked out my USB port”

Data Transfer Speed3%

“not great for data transfer”

Advertised Vs Actual Product2%

“Description is wrong”

Top return reasons

Compatibility-Overall35%

Size-Overall14%

Connectivity-Overall11%

Functionality-Overall10%

Charging5%

Value For Money5%