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class 10 micro sd card 128gb

Skip it

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

Market size 43Growth 17Conversion 84Competition 28Returns 70Price range 95Avg price 95Brand share 0Review moat 0Quality gap 18

Avg price

Incredible$28.14

avg listing price — sweet spot $15–$100

Price range

Incredible$15.32–$48.73

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

Conversion

Great9.2%

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

Returns

Good2.2%

return rate — above 5% kills the launch gate

Market size

Okay$223K

$223K/yr · 86K searches

Competition

Okay68%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-15.1%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Review moat

Bad112,476.88

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, class 10 micro sd card 128gb is a $223K/yr Amazon United States market (86K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 40/100.

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

class 10 micro sd card 128gb market data

Units sold / yr
8K–10K
avg 250–500/product
Revenue / yr
$225K–$281K
units × avg price
Conversion rate
9.2%
Avg BSR
#49
Page quality
0%
Prime
100%
Sponsored
47%
Out of stock
4.6%
Avg brand age
48 months
Avg seller age
185 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

4 falling

Sellers

71

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

0%

  • Sandisk94%
  • Amazon Basics3%
  • Gigastone2%
  • Beamo2%

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — -15.1% search growth over the last 90 days.
5K3KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.6×

Top class 10 micro sd card 128gb search terms

  • sandisk 128gb micro sd card19K/yr
  • sandisk micro sd 128gb8K/yr
  • raspberry pi sd card10K/yr
  • sandisk micro sd card 128gb19K/yr
  • micro sd card 128gb sandisk5K/yr
  • 128gb micro sd card sandisk7K/yr
  • sandisk 128 gb micro sd card3K/yr
  • sandisk ultra 128gb micro sd card3K/yr
  • raspberry pi 5 sd card4K/yr
  • raspberry pi micro sd card4K/yr
All search terms

Top class 10 micro sd card 128gb 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%$22K20%$45K30%$67K40%$89K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about class 10 micro sd card 128gb

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

What buyers love

Quality-Overall19%

“Card Quality excellent”

Value For Money16%

“Great Value”

Advertised Vs Actual Product13%

“As advertised”

Storage Capacity11%

“Lots of storage”

Compatibility-Overall9%

“Compatible with almost all devices”

Camera Quality4%

“The best camera I have owned”

Data Transfer Speed4%

“Transfers are smooth”

Ease Of Use4%

“Very easy to use”

Durability3%

“They are durable”

Assembly/Installation3%

“Easy to install”

What buyers complain about

Functionality-Overall21%

“Did not work properly”

Durability16%

“Will break with normal use”

Value For Money9%

“it was half the price”

Compatibility-Overall9%

“Incompatible”

Storage Capacity7%

“Too much storage”

Quality-Overall5%

“Garbage”

Computation Performance4%

“slow”

Data Transfer Speed3%

“The processing speed on these is horrible”

Size-Overall3%

“Imperfect size”

Advertised Vs Actual Product2%

“Misleading Information”

Top return reasons

Functionality-Overall25%
Compatibility-Overall23%
Size-Overall16%
Value For Money11%
Storage Capacity4%
Camera Quality3%
Computation Performance3%
Defective Material/Parts3%
Advertised Vs Actual Product3%
Product Condition2%

Common questions

Is class 10 micro sd card 128gb profitable to sell on Amazon United States?
The niche generates $223K/yr across 17 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -15.1%. Flapen's verdict: Skip it (40/100).
How competitive is the class 10 micro sd card 128gb niche?
4 brands and 71 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in class 10 micro sd card 128gb?
Top complaints mined from reviews: Functionality-Overall, Durability, Value For Money. The return rate is 2.2%.
When does demand for class 10 micro sd card 128gb peak?
Demand peaks in Jan; the busiest month runs 2.6× the quietest.
What does it cost to enter the class 10 micro sd card 128gb niche?
Listings span $15.32–$48.73; the average listing price is $28.14 (sweet spot $15–$100). The average incumbent carries 112,477 reviews — the moat a new listing must climb.