Is sd to usb adapter profitable to sell on Amazon United States?

The niche generates $120K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +1.6%. Flapen's verdict: Skip it (38/100).

How competitive is the sd to usb adapter niche?

9 brands and 24 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 88% of demand.

What do buyers complain about in sd to usb adapter?

Top complaints mined from reviews: Functionality-Overall, Durability, Connectivity-Overall. The return rate is 1.3%.

When does demand for sd to usb adapter peak?

Demand peaks in Aug–Sep; the busiest month runs 2.2× the quietest.

What does it cost to enter the sd to usb adapter niche?

Listings span $5.03–$13.01; the average listing price is $8.62 (sweet spot $15–$100). The average incumbent carries 12,323 reviews — the moat a new listing must climb.

sd to usb adapter

Skip it

Prices mostly outside the sweet spot ($5.03–$13.01) — this niche doesn't clear our bar today.

Conversion

Incredible18.7%

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

Returns

Great1.3%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay88%

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

Market size

Okay$120K

$120K/yr · 74K searches

Growth

Okay+1.6%

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

Avg price

Bad$8.62

avg listing price — sweet spot $15–$100

Review moat

Bad12,323.14

avg incumbent reviews — the moat a new listing must climb

Competition

Bad78%

top-5 click share — a locked-up shelf

Price range

Bad$5.03–$13.01

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

According to Flapen's Amazon United States niche tracking, sd to usb adapter is a $120K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 38/100.

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

sd to usb adapter market data

Units sold / yr: 13K–15K; avg 750–1,000/product
Revenue / yr: $108K–$129K; units × avg price
Conversion rate: 18.7%
Avg BSR: #50
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 0.0%
Avg brand age: 41 months
Avg seller age: 198 days

Competition & brand share

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

Brands

9 falling

Sellers

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

Acer28%
Wansurs25%
uni22%
Anker7%
Sandisk6%
DSRKE5%
Open — no brand owns it (3 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +1.6% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 2.2×

Open Trend

Top sd to usb adapter search terms

micro sd to usb37K/yr +3.4%16.3% conv.
micro sd card usb adapter16K/yr -6.8%12.7% conv.
microsd to usb11K/yr +19.0%18.9% conv.
micro sd card to usb5K/yr -6.7%14.3% conv.
microsd usb adaptor4K/yr -14.9%20.6% conv.

All search terms

Top sd to usb 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 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

acer SD Card Reader USB C Dual Slots USB 3.0 Type C to Micro SD Card Adapter Memory Card Reader for MicroSD SDHC SDXC Compatible with Laptop PC iPhone16/15 MacBook Pro/Air iPad Pro Android

Acer$10.214.7★10,287 rev

USB3.0 Micro SD Card Reader 5Gbps 2-in-1 SD Card Reader to USB Adapter Wansurs Memory Card Reader for SDXC SDHC MMC RS-MMC Micro SDXC Micro SD Micro SDHC and UHS-I Cards (1Pack Black)

Wansurs$5.214.5★8,285 rev

uni SD Card Reader High-Speed USB C to Micro SD Card Adapter USB 3.0 Dual Slots Memory Card Reader for SD/Micro SD/SDHC/SDXC/MMC Compatible with MacBook Pro/Air Chromebook Android Galaxy

uni$9.504.6★35,392 rev

Anker USB 3.0 Micro SD Card Reader 5Gbps 2-in-1 SD Card Reader to USB Adapter for SDXC SDHC MMC RS-MMC Micro SDXC Micro SD Micro SDHC UHS-I Cards - USB A CardReader

Anker$10.194.6★45,243 rev

SANDISK MobileMate USB 3.0 microSD Card Reader - SDDR-B531-GN6NN

Sandisk$12.844.5★33,231 rev

Newest

by launch date

DSRKE SD Card Reader Dual Slots USB 3.0 USB C to Micro SD Card Adapter

DSRKE$8.231,348 rev

9mo ago

Acer SD Card Reader USB A 3.0 to Micro Memory Card Reader Aluminum Dual Slot SD to USB Adapter for Computer PC Laptop and Type A Devices Compatible with SD/Micro SDXC/SDXC/SDHC/MMC/TF Cards

Acer$13.011,371 rev

11mo ago

UANTIN SD Card Reader USB C Dual Slots USB A & USB C Memory Card Adapter for MicroSD SDHC SDXC Simultaneous Read & Write Slot Compatible Laptop iPhone 17 MacBook Neo/Pro/Air iPad Pro Android

UANTIN$8.09572 rev

1y ago

acer SD Card Reader USB C Dual Slots USB 3.0 Type C to Micro SD Card Adapter Memory Card Reader for MicroSD SDHC SDXC Compatible with Laptop PC iPhone16/15 MacBook Pro/Air iPad Pro Android

Acer$10.2110,287 rev

1y ago

Orlian USB 3.0 Micro SD Card Reader 5Gbps Speed SD Card Adapter Menory Card Reader Compatible with Windows MAC MacBook Pro/Air Android and More Black

Orlian$5.09292 rev

2y ago

What buyers say about sd to usb adapter

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

What buyers love

Advertised Vs Actual Product18%

“As advertised”

Quality-Overall13%

“Solid build quality”

Ease Of Use12%

“Good for many uses”

Value For Money11%

“Good value for money”

Data Transfer Speed9%

“The data transfer rates are impressive”

Compatibility-Overall5%

“I had zero issues with compatibility or anything else related to the product”

Portability4%

“Extremely portable”

Functionality-Overall4%

“Works well enough”

Compactness3%

“Compact size”

Size-Overall3%

“Compact size”

What buyers complain about

Functionality-Overall24%

“DOESNT WORK”

Durability10%

“stopped working after about ten uses”

Connectivity-Overall9%

“Poor connection”

Compatibility-Overall7%

“Neither recognized it”

Quality-Overall7%

“So not sure if there is a quality control issue”

Data Transfer Speed5%

“Doesn't Transfer”

Size-Overall4%

“The body is a little wide”

Value For Money3%

“not worth returning because the price”

Heating3%

“I believe it got hot, melted, stopped working, when I pulled it out it cooled into a position where it wont plug in”

Socket/Port/Plug2%

“Did not work properly - port recognition problem”

Top return reasons

Functionality-Overall28%

Compatibility-Overall16%

Size-Overall14%

Connectivity-Overall8%

Value For Money8%

Advertised Vs Actual Product6%

Socket/Port/Plug5%

Data Transfer Speed3%

Defective Material/Parts3%

Quality-Overall1%

Common questions

Is sd to usb adapter profitable to sell on Amazon United States?: The niche generates $120K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +1.6%. Flapen's verdict: Skip it (38/100).
How competitive is the sd to usb adapter niche?: 9 brands and 24 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in sd to usb adapter?: Top complaints mined from reviews: Functionality-Overall, Durability, Connectivity-Overall. The return rate is 1.3%.
When does demand for sd to usb adapter peak?: Demand peaks in Aug–Sep; the busiest month runs 2.2× the quietest.
What does it cost to enter the sd to usb adapter niche?: Listings span $5.03–$13.01; the average listing price is $8.62 (sweet spot $15–$100). The average incumbent carries 12,323 reviews — the moat a new listing must climb.