512gb micro sd card
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size
Great£1.8M£1.8M/yr · 996K searches
Avg price
Great£70.32avg listing price — sweet spot $15–$100
Returns
Good2.0%return rate — above 5% kills the launch gate
Price range
Okay£21.91–£194.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad72%top-5 click share — a locked-up shelf
Growth
Bad-14.1%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
Review moat
Bad52,126.87avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United Kingdom niche tracking, 512gb micro sd card is a £1.8M/yr Amazon United Kingdom market (996K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 39/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
512gb micro sd card market data
- Units sold / yr
- 30K–40K
- avg 1,500–2,000/product
- Revenue / yr
- £2.1M–£2.8M
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #21
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 0.0%
- Avg brand age
- 31 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 flat
Sellers
181
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
0%
- SanDisk64%
- Amazon Basics19%
- Samsung8%
- Lexar7%
- Integral2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.1% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 2.2×
Top 512gb micro sd card search terms
- 512gb micro sd card216K/yr
- 1tb micro sd card123K/yr
- micro sd card 512gb157K/yr
- micro sd card 1tb68K/yr
- 2tb micro sd card58K/yr
- 1tb sd card50K/yr
- 512gb sd card44K/yr
- micro sd card 512+gb10K/yr
- 1tb memory card29K/yr
- sd card 512gb53K/yr
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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SanDisk 512GB Ultra microSDXC card + SD adapter Memory card Full HD up to 150 MB/s For smartphones and Tablets with A1 App Performance UHS-I Class 10 U1
SanDisk£35.404.6★175,040 rev
Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 512GB Black
Amazon Basics£32.714.6★7,394 rev
SanDisk Ultra micro SD card + SD adapter 1TB (For Android Smartphones and Tablets Memory card up to 150 MB/s with A1 App Performance UHS-I Class 10 U1)
SanDisk£93.234.6★175,040 rev
Samsung EVO Select (2024) microSD card + SD Adapter 1 TB UHS-I U3 4K UHD Full HD 160 MB/s Read Memory card for smartphones tablets and laptops MB-ME1T0SA/EU
Samsung£74.144.6★675 rev
SANDISK Extreme microSDXC card 512GB +SD adapter(microSD card for smartphones action cameras drones V30 up to 190 MB/s SANDISK QuickFlow Technology RescuePro Deluxe UHS-I 4k V30 A2 C10 U3)
SanDisk£52.964.7★101,677 rev
Newest
by launch date
Amazon Basics 1TB microSDXC Card with Adapter Read Speed Up to 200MB/s 1-Pack
Amazon Basics£89.16588 rev
Lexar Blue Micro SD Card 512GB up to 160MB/s Read microSDXC UHS-I Card Class 10 U3 V30 A2 Full-HD & 4K Video High-Speed Memory Card for Smartphones/Tablets/Action Cameras
Lexar£39.952,892 rev
Lexar Blue Micro SD Card 1TB up to 160MB/s Read microSDXC UHS-I Card Class 10 U3 V30 A2 Full-HD & 4K Video High-Speed Memory Card for Smartphones/Tablets/Action Cameras
Lexar£72.432,892 rev
SANDISK Extreme microSDXC Card 2TB + SD adapter (For Smartphones Action Cams Drones Speeds up to 240 MB/s 4K UHD A2 RescuePRO Deluxe UHS-I U3 V30
SanDisk£194.581,851 rev
Samsung EVO Select (2024) microSD card + SD Adapter 1 TB UHS-I U3 4K UHD Full HD 160 MB/s Read Memory card for smartphones tablets and laptops MB-ME1T0SA/EU
Samsung£74.14675 rev
Trending
90-day click momentumAmazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 512GB Black
Amazon Basics£32.714.6★
SanDisk 512GB Ultra microSDXC card + SD adapter Memory card Full HD up to 150 MB/s For smartphones and Tablets with A1 App Performance UHS-I Class 10 U1
SanDisk£35.404.6★
Integral 1TB microSD Card Premium High Speed 4K Video Memory Card - up to 100MB/s Read and 50MB/s Write UHS-I U3 Class 10 A1 App Performance - for smartphones tablets drones game consoles
Integral£65.514.6★
SanDisk Ultra micro SD card + SD adapter 1TB (For Android Smartphones and Tablets Memory card up to 150 MB/s with A1 App Performance UHS-I Class 10 U1)
SanDisk£93.234.6★
SanDisk 512GB Extreme PRO microSDXC card + RescuePro Deluxe up to 200 MB/s with A2 App Performance for smartphones action cameras or drones UHS-I Class 10 U3 V30 Black
SanDisk£61.084.7★
What buyers say about 512gb micro sd card
What buyers praise and complain about, mined from review topics.What buyers love
“Great value”
“Good Quality”
“Great to have the extra storage”
“Works exactually as advertised”
“Fast card”
“It is compatible with every device I own”
“reliable and fast”
“Fits perfectly”
“Great for my security camera”
“Its a life saver”
What buyers complain about
“however later finding out it isn't compatible”
“Does not last”
“way to expensive rip off prices if u are on a budget forget it get a cheap one do the same job a lot of them it's great for handheld gaming consoles as well I got the 1tb brought for about 75 pounds now they £149 wow rip off guys”
“Didnt work”
“Barely used storage 100gb at the most, now corrupt, and unable to access files and photos saved, keeps asking to be reformatted”
“Faulty Item”
“Bought it in the used category”
“Card too slow for this device”
“It's not good enough or fast enough for the data speeds”
“Not accurate”
Top return reasons
Common questions
- Is 512gb micro sd card profitable to sell on Amazon United Kingdom?
- The niche generates £1.8M/yr across 15 tracked products. 90-day search growth is -14.1%. Flapen's verdict: Skip it (39/100).
- How competitive is the 512gb micro sd card niche?
- 5 brands and 181 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 512gb micro sd card?
- Top complaints mined from reviews: Compatibility-Overall, Durability, Value For Money. The return rate is 2.0%.
- When does demand for 512gb micro sd card peak?
- Demand peaks in Jan–Dec; the busiest month runs 2.2× the quietest.
- What does it cost to enter the 512gb micro sd card niche?
- Listings span £21.91–£194.58; the average listing price is £70.32 (sweet spot $15–$100). The average incumbent carries 52,127 reviews — the moat a new listing must climb.