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samsung 128gb micro sd card

Skip it

A deep review moat (47,313 avg reviews) — this niche doesn't clear our bar today.

Market size 3Growth 16Conversion 24Competition 53Returns 68Price range 95Avg price 95Brand share 3Review moat 1Quality gap 19

Avg price

Incredible$26.20

avg listing price — sweet spot $15–$100

Price range

Incredible$15.32–$39.60

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

Returns

Good2.3%

return rate — above 5% kills the launch gate

Competition

Good53%

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

Conversion

Bad1.9%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-18.4%

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

Market size

Bad$12K

$12K/yr · 23K searches

Brand share

Bad99%

top-5 brand share — brand-locked demand

Review moat

Bad47,312.78

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, samsung 128gb micro sd card is a $12K/yr Amazon United States market (23K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 32/100.

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

samsung 128gb micro sd card market data

Units sold / yr
2K–3K
avg 100–250/product
Revenue / yr
$52K–$66K
units × avg price
Conversion rate
1.9%
Avg BSR
#66
Page quality
0%
Prime
78%
Sponsored
35%
Out of stock
15.4%
Avg brand age
32 months
Avg seller age
190 days

Competition & brand share

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

6 rising

Sellers

84

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

53%

Top 20: 96%

Open market

0%

  • Samsung66%
  • Sandisk23%
  • Amazon Basics6%
  • PNY2%
  • SP Silicon Power2%
  • Kingston1%

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -18.4% search growth over the last 90 days.
2K2KHoliday '24Spike '25Prime Day '25Holiday '25Spike '26DecMarJunAugNovMarMay

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

Top samsung 128gb micro sd card search terms

  • samsung 128gb micro sd card12K/yr
  • samsung sd card 128gb7K/yr
  • samsung micro sd card 128gb5K/yr
All search terms

Top samsung 128gb micro sd card 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%$1K20%$2K30%$4K40%$5K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about samsung 128gb micro sd card

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

What buyers love

Quality-Overall18%

“Good quality card”

Value For Money17%

“Excellent value”

Advertised Vs Actual Product12%

“As advertised”

Storage Capacity10%

“Lots of storage”

Compatibility-Overall9%

“is very compatible with my GoPro, ace 360 and Cameron camera”

Data Transfer Speed5%

“Fast transfer speed”

Camera Quality4%

“The best camera I have owned”

Ease Of Use3%

“Very easy to use”

Durability3%

“It has been reliable with no issues”

Assembly/Installation3%

“Installed and working well”

What buyers complain about

Durability27%

“Failed after a couple months”

Functionality-Overall19%

“Stopped working”

Compatibility-Overall9%

“Incompatible”

Value For Money8%

“Over priced alot”

Quality-Overall8%

“Bad quality”

Storage Capacity5%

“offered none of the promised storage capacity”

Advertised Vs Actual Product2%

“misleading”

Data Transfer Speed2%

“The transfer would have taken about 2-3 hours”

Camera Quality2%

“This camera doesnt work”

Product Condition1%

“The card was used”

Top return reasons

Functionality-Overall27%
Compatibility-Overall21%
Size-Overall17%
Value For Money12%
Storage Capacity4%
Defective Material/Parts3%
Camera Quality3%
Advertised Vs Actual Product3%
Product Condition2%
Computation Performance1%

Common questions

Is samsung 128gb micro sd card profitable to sell on Amazon United States?
The niche generates $12K/yr across 23 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -18.4%. Flapen's verdict: Skip it (32/100).
How competitive is the samsung 128gb micro sd card niche?
6 brands and 84 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 99% of demand.
What do buyers complain about in samsung 128gb micro sd card?
Top complaints mined from reviews: Durability, Functionality-Overall, Compatibility-Overall. The return rate is 2.3%.
When does demand for samsung 128gb micro sd card peak?
Demand peaks in Jul–Aug; the busiest month runs 2.2× the quietest.
What does it cost to enter the samsung 128gb micro sd card niche?
Listings span $15.32–$39.60; the average listing price is $26.20 (sweet spot $15–$100). The average incumbent carries 47,313 reviews — the moat a new listing must climb.