---
title: "512gb Micro Sd Card — £1.8M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/512gb-micro-sd-card"
last_updated: "2026-07-31T07:18:55.436Z"
locale: en
meta:
  description: "Niche score 39/100 · £1.8M/yr market · 996K searches/yr · £70.32 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 39/100 · £1.8M/yr market · 996K searches/yr · £70.32 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "512gb Micro Sd Card — £1.8M/yr Amazon UK Niche (2026) - Flapen"
---

# **512gb micro sd card**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 91Growth 18Conversion 32Competition 23Returns 75Price range 45Avg price 86Brand share 0Review moat 0Quality gap 24

**Market size**

**Great****£1.8M**

£1.8M/yr · 996K searches

**Avg price**

**Great****£70.32**

avg listing price — sweet spot $15–$100

**Returns**

**Good****2.0%**

return rate — above 5% kills the launch gate

**Price range**

**Okay****£21.91–£194.58**

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

**Conversion**

**Okay****2.5%**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****72%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-14.1%**

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

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Review moat**

**Bad****52,126.87**

avg incumbent reviews — the moat a new listing must climb

**Signals**[** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")

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 ~~](https://flapen.com/research/methodology)

## **512gb micro sd card market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**30K–40K**</dd><dd>avg 1,500–2,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**£2.1M–£2.8M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#21**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**93%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**31 months**</dd>

<dt>**Avg seller age**</dt><dd>**178 days**</dd>

</dl>

## **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.

35K25KSpike '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 2.2×

[**Open Trend **](https://flapen.com/research/uk/computers-accessories/512gb-micro-sd-card/trend)

## **Top 512gb micro sd card search terms**

- **512gb micro sd card**216K/yr-11.4%2.5% conv. - **1tb micro sd card**123K/yr-15.4%1.0% conv. - **micro sd card 512gb**157K/yr-31.9%2.7% conv. - **micro sd card 1tb**68K/yr-18.6%1.2% conv. - **2tb micro sd card**58K/yr-17.5%0.3% conv. - **1tb sd card**50K/yr-10.1%0.8% conv. - **512gb sd card**44K/yr-18.4%1.8% conv. - **micro sd card 512+gb**10K/yr+243.8%1.9% conv. - **1tb memory card**29K/yr+7.2%0.3% conv. - **sd card 512gb**53K/yr-29.0%2.0% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/512gb-micro-sd-card/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%10%£178K20%£356K30%£534K40%£711K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![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](https://m.media-amazon.com/images/I/414o96XpfTL.jpg)**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**£35.40**4.6★175,040 rev](https://www.amazon.co.uk/dp/B0B7NVXLLM) [2![Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 512GB Black](https://m.media-amazon.com/images/I/31a0Nr-3a5L.jpg)**Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 512GB Black**Amazon Basics**£32.71**4.6★7,394 rev](https://www.amazon.co.uk/dp/B08TJTCCV8) [3![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)](https://m.media-amazon.com/images/I/41BdKwi6e5L.jpg)**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**£93.23**4.6★175,040 rev](https://www.amazon.co.uk/dp/B0B7NYN3N3) [4![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](https://m.media-amazon.com/images/I/41x+pWus9jL.jpg)**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**£74.14**4.6★675 rev](https://www.amazon.co.uk/dp/B0CVGYNC97) [5![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)](https://m.media-amazon.com/images/I/413LN9U+WuL.jpg)**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**£52.96**4.7★101,677 rev](https://www.amazon.co.uk/dp/B09X7C2GBC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Amazon Basics 1TB microSDXC Card with Adapter Read Speed Up to 200MB/s 1-Pack](https://m.media-amazon.com/images/I/312CSa2fmEL.jpg)**Amazon Basics 1TB microSDXC Card with Adapter Read Speed Up to 200MB/s 1-Pack**Amazon Basics**£89.16**588 rev1y ago](https://www.amazon.co.uk/dp/B0DB4XPZDX) [![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](https://m.media-amazon.com/images/I/31cuB0sBNpL.jpg)**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**£39.95**2,892 rev1y ago](https://www.amazon.co.uk/dp/B0DSVTSTY4) [![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](https://m.media-amazon.com/images/I/313URRAu4rL.jpg)**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**£72.43**2,892 rev1y ago](https://www.amazon.co.uk/dp/B0DSVV9VF9) [![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](https://m.media-amazon.com/images/I/419-rxEBFJL.jpg)**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**£194.58**1,851 rev1y ago](https://www.amazon.co.uk/dp/B0DFX1XFFH) [![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](https://m.media-amazon.com/images/I/41x+pWus9jL.jpg)**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**£74.14**675 rev1y ago](https://www.amazon.co.uk/dp/B0CVGYNC97)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 512GB Black](https://m.media-amazon.com/images/I/31a0Nr-3a5L.jpg)**Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 512GB Black**Amazon Basics**£32.71**4.6★**▲ 39%**](https://www.amazon.co.uk/dp/B08TJTCCV8) [![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](https://m.media-amazon.com/images/I/414o96XpfTL.jpg)**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**£35.40**4.6★**▲ 21%**](https://www.amazon.co.uk/dp/B0B7NVXLLM) [![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](https://m.media-amazon.com/images/I/31kNRX0KgZL.jpg)**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**£65.51**4.6★**▲ 12%**](https://www.amazon.co.uk/dp/B0CGXMZC22) [![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)](https://m.media-amazon.com/images/I/41BdKwi6e5L.jpg)**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**£93.23**4.6★**— 7%**](https://www.amazon.co.uk/dp/B0B7NYN3N3) [![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](https://m.media-amazon.com/images/I/41g4QIMFAAL.jpg)**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**£61.08**4.7★**— 0%**](https://www.amazon.co.uk/dp/B09X7DQJQL)

**~~View all trending →~~**

## **What buyers say about 512gb micro sd card**

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

### **What buyers love **

**Value For Money**18%

*“Great value”*

**Quality-Overall**17%

*“Good Quality”*

**Storage Capacity**15%

*“Great to have the extra storage”*

**Advertised Vs Actual Product**11%

*“Works exactually as advertised”*

**Data Transfer Speed**7%

*“Fast card”*

**Compatibility-Overall**5%

*“It is compatible with every device I own”*

**Durability**4%

*“reliable and fast”*

**Size-Overall**4%

*“Fits perfectly”*

**Camera Quality**3%

*“Great for my security camera”*

**Security**3%

*“Its a life saver”*

### **What buyers complain about **

**Compatibility-Overall**24%

*“however later finding out it isn't compatible”*

**Durability**19%

*“Does not last”*

**Value For Money**14%

*“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”*

**Functionality-Overall**11%

*“Didnt work”*

**Storage Capacity**4%

*“Barely used storage 100gb at the most, now corrupt, and unable to access files and photos saved, keeps asking to be reformatted”*

**Defective Material/Parts**3%

*“Faulty Item”*

**Product Condition**3%

*“Bought it in the used category”*

**Computation Performance**3%

*“Card too slow for this device”*

**Data Transfer Speed**3%

*“It's not good enough or fast enough for the data speeds”*

**Accuracy-Overall**3%

*“Not accurate”*

### **Top return reasons **

**Compatibility-Overall**39%

**Functionality-Overall**25%

**Size-Overall**8%

**Defective Material/Parts**4%

**Computation Performance**4%

**Camera Quality**3%

**Advertised Vs Actual Product**3%

**Value For Money**2%

**Data Transfer Speed**2%

**Storage Capacity**2%

## **Common questions**

<dl>

<dt>**Is 512gb micro sd card profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £1.8M/yr across 15 tracked products. 90-day search growth is -14.1%. Flapen's verdict: Skip it (39/100).</dd>

<dt>**How competitive is the 512gb micro sd card niche?**</dt><dd>5 brands and 181 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in 512gb micro sd card?**</dt><dd>Top complaints mined from reviews: Compatibility-Overall, Durability, Value For Money. The return rate is 2.0%.</dd>

<dt>**When does demand for 512gb micro sd card peak?**</dt><dd>Demand peaks in Jan–Dec; the busiest month runs 2.2× the quietest.</dd>

<dt>**What does it cost to enter the 512gb micro sd card niche?**</dt><dd>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.</dd>

</dl>

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