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55

micro sd card

Worth a look

Shows a $6.5M/yr market, but a deep review moat (45,594 avg reviews) keeps it on the watch list.

Market size 99Growth 23Conversion 75Competition 51Returns 90Price range 69Avg price 73Brand share 23Review moat 2Quality gap 30

Market size

Incredible£6.5M

£6.5M/yr · 6.2M searches

Returns

Great1.3%

return rate — above 5% kills the launch gate

Conversion

Great7.0%

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

Avg price

Good£14.79

avg listing price — sweet spot $15–$100

Price range

Good£7.52–£31.94

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

Competition

Good55%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-3.5%

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

Brand share

Bad91%

top-5 brand share — brand-locked demand

Review moat

Bad45,593.84

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, micro sd card is a £6.5M/yr Amazon United Kingdom market (6.2M searches/yr). The top 5 brands hold 91% of demand. Verdict: Worth a look — 55/100.

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

micro sd card market data

Units sold / yr
400K–500K
avg 25,000–30,000/product
Revenue / yr
£5.9M–£7.4M
units × avg price
Conversion rate
7.0%
Avg BSR
#6
Page quality
0%
Prime
100%
Sponsored
88%
Out of stock
0.0%
Avg brand age
45 months
Avg seller age
173 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

184

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

55%

Top 20: 93%

Open market

7%

  • SanDisk63%
  • KOOTION16%
  • Amazon Basics6%
  • Lexar3%
  • KEXIN3%
  • BIWIN2%
  • Open — no brand owns it (4 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.5% search growth over the last 90 days.
150K100KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top micro sd card search terms

  • micro sd card2.2M/yr
  • sd card1.8M/yr
  • memory card334K/yr
  • 128gb micro sd card288K/yr
  • micro sd card 128gb223K/yr
  • micro sd216K/yr
  • sd cards169K/yr
  • sd card micro 128gb105K/yr
  • sandisk micro sd card145K/yr
  • 128gb sd card110K/yr
All search terms

Top 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%£647K20%£1.3M30%£1.9M40%£2.6M1001K10K100K1.0M 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 micro sd card

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

What buyers love

Value For Money23%

“Great value for money”

Quality-Overall21%

“good quality card”

Advertised Vs Actual Product15%

“As advertised”

Storage Capacity6%

“Good storage”

Compatibility-Overall6%

“great compatibility”

Camera Quality5%

“Perfect, camera works so much better now”

Data Transfer Speed5%

“Transfer speed was reliably high”

Durability3%

“Always reliable”

Size-Overall2%

“Excellent size”

Ease Of Use2%

“Very easy to use”

What buyers complain about

Durability21%

“Broke after 1 week”

Functionality-Overall20%

“no longer works”

Compatibility-Overall10%

“Did not work on multiple devices, requested replacement”

Quality-Overall10%

“Low quality”

Value For Money8%

“Although not the cheapest option”

Computation Performance3%

“Very slow speed”

Size-Overall3%

“Not fit for purpose”

Storage Capacity2%

“Only suitable for storage”

Data Transfer Speed2%

“Slow data transfer speed”

Camera Quality2%

“Corrupt after 1 month use in security camera”

Top return reasons

Compatibility-Overall33%
Functionality-Overall23%
Size-Overall21%
Camera Quality4%
Defective Material/Parts4%
Storage Capacity3%
Advertised Vs Actual Product2%
Value For Money1%
Connectivity-Overall1%
Product Condition1%

Common questions

Is micro sd card profitable to sell on Amazon United Kingdom?
The niche generates £6.5M/yr across 25 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Worth a look (55/100).
How competitive is the micro sd card niche?
10 brands and 184 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in micro sd card?
Top complaints mined from reviews: Durability, Functionality-Overall, Compatibility-Overall. The return rate is 1.3%.
When does demand for micro sd card peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the micro sd card niche?
Listings span £7.52–£31.94; the average listing price is £14.79 (sweet spot $15–$100). The average incumbent carries 45,594 reviews — the moat a new listing must climb.