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prograde cf express type b

Skip it

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

Market size 5Growth 30Conversion 6Competition 19Returns 46Price range 6Avg price 44Brand share 0Review moat 52Quality gap 20

Review moat

Good1,404.31

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.3%

return rate — above 5% kills the launch gate

Avg price

Okay$216.61

avg listing price — sweet spot $15–$100

Growth

Okay+3.6%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad77%

top-5 click share — a locked-up shelf

Conversion

Bad0.5%

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

Price range

Bad$77.21–$455.77

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

Market size

Bad$19K

$19K/yr · 19K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, prograde cf express type b is a $19K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Dec. Verdict: Skip it — 20/100.

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

prograde cf express type b market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
$54K–$108K
units × avg price
Conversion rate
0.5%
Avg BSR
#147
Page quality
0%
Prime
100%
Sponsored
77%
Out of stock
8.3%
Avg brand age
33 months
Avg seller age
184 days

Competition & brand share

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

27

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

0%

  • ProGrade Digital88%
  • Sandisk6%
  • Lexar4%
  • Angelbird2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.6% search growth over the last 90 days.
900700Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.9×

Top prograde cf express type b 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.

0%10%$2K20%$4K30%$6K40%$8K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about prograde cf express type b

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

What buyers love

Quality-Overall22%

“Super quality and perfect card”

Compatibility-Overall14%

“Works fine with all SD cards”

Functionality-Overall11%

“If you want something that works - get this one”

Advertised Vs Actual Product8%

“Works as intended”

Magnetic Strength/Adsorption7%

“Love it and the magnet on it is also a good idea”

Value For Money7%

“High end performance at a reasonable price”

Computation Performance7%

“Fast and well built cards for Nikon z 8 and 9 cameras”

Data Transfer Speed6%

“Its fast and easy to format”

Strength4%

“Device itself is slick, strong enclosure, just heavy enough to stay stable on its rubber footing”

Portability3%

“Works well, small, easily packed for travel and fairly speedy in a TB4 MAC port”

What buyers complain about

Durability19%

“I have broken several of these things from use”

Heating15%

“overheat then it buffers”

Functionality-Overall7%

“could not even turn camera off - had to pull the battery”

Size-Overall7%

“Smaller”

Quality-Overall5%

“Really bad product”

Value For Money5%

“too expensive”

Signal Strength4%

“Bad Cable”

Data Transfer Speed4%

“The write speed on this card is not even faster than the best V90 SD cards which is disappointing”

Magnetic Strength/Adsorption4%

“The idiocy of putting a powerful magnet on the back of a card reader that you want to transport around”

Ease Of Use4%

“could not be used”

Top return reasons

Compatibility-Overall23%
Value For Money17%
Size-Overall13%
Functionality-Overall12%
Advertised Vs Actual Product7%
Camera Quality5%
Product Condition4%
Heating3%
Storage Capacity3%
Data Transfer Speed3%

Common questions

Is prograde cf express type b profitable to sell on Amazon United States?
The niche generates $19K/yr across 13 tracked products. 90-day search growth is +3.6%. Flapen's verdict: Skip it (20/100).
How competitive is the prograde cf express type b niche?
4 brands and 27 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in prograde cf express type b?
Top complaints mined from reviews: Durability, Heating, Functionality-Overall. The return rate is 3.3%.
When does demand for prograde cf express type b peak?
Demand peaks in Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the prograde cf express type b niche?
Listings span $77.21–$455.77; the average listing price is $216.61 (sweet spot $15–$100). The average incumbent carries 1,404 reviews — the moat a new listing must climb.