Skip to content
40

16gb micro sd card

Skip it

A deep review moat (92,953 avg reviews) — this niche doesn't clear our bar today.

Market size 12Growth 37Conversion 78Competition 29Returns 97Price range 26Avg price 38Brand share 35Review moat 0Quality gap 40

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Great7.7%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay£10.54

avg listing price — sweet spot $15–$100

Growth

Okay+9.4%

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

Brand share

Okay84%

top-5 brand share — brands hold most of the demand

Competition

Okay67%

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

Price range

Okay£2.69–£19.27

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

Market size

Bad£47K

£47K/yr · 58K searches

Review moat

Bad92,953.16

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, 16gb micro sd card is a £47K/yr Amazon United Kingdom market (58K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 40/100.

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

16gb micro sd card market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
£53K–£63K
units × avg price
Conversion rate
7.7%
Avg BSR
#42
Page quality
0%
Prime
100%
Sponsored
47%
Out of stock
14.8%
Avg brand age
65 months
Avg seller age
195 days

Competition & brand share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

66

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

12%

  • KEXIN39%
  • PHILIPS16%
  • PNY14%
  • SanDisk8%
  • KOOTION8%
  • whraqzzc4%
  • Open — no brand owns it (6 brands, 12%)

Demand

Weekly Amazon search volume, last 21 weeks — +9.4% search growth over the last 90 days.
2K1KSpike '26Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26

Top 16gb micro sd card search terms

  • micro sd card 16gb24K/yr
  • 16gb micro sd card26K/yr
  • micro sd 16gb4K/yr
  • 16 gb micro sd card4K/yr
All search terms

Top 16gb 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%£5K20%£9K30%£14K40%£19K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

What buyers say about 16gb micro sd card

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

What buyers love

Value For Money32%

“GREAT VALUE”

Advertised Vs Actual Product19%

“works as advertised”

Quality-Overall19%

“Great quality SD cards”

Compatibility-Overall6%

“Compatible with the action camera I procured”

Storage Capacity5%

“ease to add additional storage capacity”

Camera Quality4%

“Perfect, camera works so much better now”

Ease Of Use2%

“easy to use”

Data Transfer Speed2%

“Decent transfer speeds”

Size-Overall2%

“fit for purpose”

Durability2%

“Good value and durable”

What buyers complain about

Functionality-Overall33%

“SD failed”

Durability24%

“Snapped in half on first use”

Value For Money7%

“I would have got it much cheaper on Amazon”

Quality-Overall7%

“Poor Quality”

Storage Capacity4%

“This is relatively small capacity card compared to what is available nowadays”

Advertised Vs Actual Product4%

“BUT Its no a sd card. I just saw the first it that sayed Mini Genuine Micro SD Memory Card which is misleading if you dont read it all.”

Software/Application4%

“This was poor for me I wanted to write a custom OS to it”

Compatibility-Overall4%

“Stopped working with camera”

Connectivity-Overall2%

“After using for 5 hours then became corrupted in my WiFi camera”

Heating2%

“Overheated two devices”

Top return reasons

Functionality-Overall29%
Compatibility-Overall25%
Size-Overall20%
Advertised Vs Actual Product4%
Defective Material/Parts3%
Camera Quality3%
Storage Capacity2%
Quality-Overall2%
Value For Money2%
Durability1%

Common questions

Is 16gb micro sd card profitable to sell on Amazon United Kingdom?
The niche generates £47K/yr across 19 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +9.4%. Flapen's verdict: Skip it (40/100).
How competitive is the 16gb micro sd card niche?
12 brands and 66 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in 16gb micro sd card?
Top complaints mined from reviews: Functionality-Overall, Durability, Value For Money. The return rate is 0.6%.
What does it cost to enter the 16gb micro sd card niche?
Listings span £2.69–£19.27; the average listing price is £10.54 (sweet spot $15–$100). The average incumbent carries 92,953 reviews — the moat a new listing must climb.