Skip to content
50

512gb micro sd card

Worth a look

Shows a $3.6M/yr market, but a deep review moat (54,983 avg reviews) keeps it on the watch list.

Market size 96Growth 18Conversion 44Competition 52Returns 62Price range 79Avg price 90Brand share 19Review moat 0Quality gap 40

Market size

Incredible$3.6M

$3.6M/yr · 1.7M searches

Avg price

Great$59.97

avg listing price — sweet spot $15–$100

Price range

Great$24.63–$118.34

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

Returns

Good2.5%

return rate — above 5% kills the launch gate

Competition

Good54%

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

Conversion

Okay3.5%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Bad92%

top-5 brand share — brand-locked demand

Growth

Bad-13.3%

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

Review moat

Bad54,983.37

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, 512gb micro sd card is a $3.6M/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Dec. Verdict: Worth a look — 50/100.

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

512gb micro sd card market data

Units sold / yr
100K–125K
avg 5,000–6,000/product
Revenue / yr
$6.0M–$7.5M
units × avg price
Conversion rate
3.5%
Avg BSR
#45
Page quality
0%
Prime
96%
Sponsored
63%
Out of stock
0.3%
Avg brand age
39 months
Avg seller age
181 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

97

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

54%

Top 20: 93%

Open market

4%

  • Sandisk51%
  • lekutas14%
  • Amazon Basics14%
  • Samsung7%
  • Lexar6%
  • PNY4%
  • Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.3% search growth over the last 90 days.
60K40KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.8×

Top 512gb micro sd card search terms

  • 512gb micro sd card562K/yr
  • micro sd card 512gb375K/yr
  • 512 gb micro sd card123K/yr
  • 512gb sd card108K/yr
  • sd card 512gb116K/yr
  • 512 micro sd card57K/yr
  • micro sd 512gb44K/yr
  • samsung pro plus micro sd card37K/yr
  • 512 sd card36K/yr
  • micro sd card 51238K/yr
All search terms

Top 512gb 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%5%$181K10%$362K15%$544K20%$725K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about 512gb micro sd card

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

What buyers love

Value For Money18%

“Amazing value”

Quality-Overall14%

“good quality that is reliable this is it”

Storage Capacity14%

“Large storage”

Compatibility-Overall12%

“Compatible with my camera”

Advertised Vs Actual Product11%

“Works as it should”

Data Transfer Speed6%

“the transfer went smoothly”

Durability3%

“so far it is holding up excellent”

Functionality-Overall2%

“Functional, as good as any name memory and a very good value”

Ease Of Use2%

“It handles everything smoothly”

Computation Performance2%

“Games load fast”

What buyers complain about

Functionality-Overall19%

“Making it non-functional”

Durability17%

“Broke”

Value For Money11%

“I just wish the price was a little bit lower”

Compatibility-Overall10%

“the console showed that it was incompatible”

Quality-Overall8%

“Bad quality”

Computation Performance5%

“Terribly slow transfer speed”

Storage Capacity4%

“Missing Storage”

Data Transfer Speed3%

“Transfer speeds always end up plummeting”

Product Condition3%

“Used item sold as New”

Size-Overall2%

“Comes up a little short”

Top return reasons

Functionality-Overall26%
Compatibility-Overall25%
Size-Overall12%
Value For Money11%
Storage Capacity4%
Computation Performance4%
Advertised Vs Actual Product4%
Defective Material/Parts3%
Camera Quality2%
Data Transfer Speed2%

Common questions

Is 512gb micro sd card profitable to sell on Amazon United States?
The niche generates $3.6M/yr across 27 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is -13.3%. Flapen's verdict: Worth a look (50/100).
How competitive is the 512gb micro sd card niche?
8 brands and 97 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in 512gb micro sd card?
Top complaints mined from reviews: Functionality-Overall, Durability, Value For Money. The return rate is 2.5%.
When does demand for 512gb micro sd card peak?
Demand peaks in Dec; the busiest month runs 1.8× the quietest.
What does it cost to enter the 512gb micro sd card niche?
Listings span $24.63–$118.34; the average listing price is $59.97 (sweet spot $15–$100). The average incumbent carries 54,983 reviews — the moat a new listing must climb.