---
title: "U3 Micro Sd Card 128gb for Dash Cam Nextbase — £80K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/u3-micro-sd-card-128gb-for-dash-cam-nextbase"
last_updated: "2026-07-31T11:51:10.267Z"
locale: en
meta:
description: "Niche score 37/100 · £80K/yr market · 41K searches/yr · £29.47 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · £80K/yr market · 41K searches/yr · £29.47 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "U3 Micro Sd Card 128gb for Dash Cam Nextbase — £80K/yr Amazon UK Niche (2026) - Flapen"
---
# **u3 micro sd card 128gb for dash cam nextbase**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 20Growth 21Conversion 72Competition 8Returns 89Price range 90Avg price 95Brand share 0Review moat 11Quality gap 42
**Avg price**
**Incredible****£29.47**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£10.45–£86.21**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****6.7%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-8.6%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£80K**
£80K/yr · 41K searches
**Review moat**
**Bad****30,564**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****90%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, u3 micro sd card 128gb for dash cam nextbase is a £80K/yr Amazon United Kingdom market (41K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **u3 micro sd card 128gb for dash cam nextbase market data**
- **Units sold / yr**
- **3K–4K**
- avg 250–500/product
- **Revenue / yr**
- **£88K–£118K**
- units × avg price
- **Conversion rate**
- **6.7%**
- **Avg BSR**
- **#52**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **50%**
- **Out of stock**
- **19.7%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **194 days**
## **Competition & brand share**
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**47**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**90%**
Top 20: 100%
**Open market**
**0%**
- Nextbase75% - SanDisk15% - Digi-Chip4% - Amazon Basics3% - Mystor3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.6% search growth over the last 90 days.
1K600Spike '24Holiday '24Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/computers-accessories/u3-micro-sd-card-128gb-for-dash-cam-nextbase/trend)
## **Top u3 micro sd card 128gb for dash cam nextbase search terms**
- **nextbase sd card**29K/yr-6.7%4.8% conv. - **nextbase micro sd card**4K/yr+6.2%5.5% conv. - **nextbase sd card for dash cam**4K/yr-15.6%6.2% conv. - **nextbase sd card 128gb**2K/yr-17.2%2.1% conv. - **u3 micro sd card 128gb for dash cam nextbase**926/yr-13.9%3.9% conv. - **nextbase micro sd card for dash cam**881/yr-74.2%3.2% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/u3-micro-sd-card-128gb-for-dash-cam-nextbase/search-terms)
## **Top u3 micro sd card 128gb for dash cam nextbase 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%15%£12K30%£24K45%£36K60%£48K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nextbase 32GB U3 Micro SD Card - Includes Micro SD-to-SD Adapter - Ultra High Speed Memory Card Compatible with Series 1 and 2 Nextbase Dash Cam Range - Dash Camera Accessories**Nextbase**£17.86**4.6★3,251 rev](https://www.amazon.co.uk/dp/B09W5P7W3P) [2**Nextbase 256GB U3 Micro SD Card - Includes Micro SD-to-SD Adapter - Ultra High Speed Memory Card Compatible with Nextbase Dash Cam 522GW and 622GW - Dash Camera Accessories**Nextbase**£86.21**4.6★3,251 rev](https://www.amazon.co.uk/dp/B09RM293NM) [3**Nextbase 128GB U3 Micro SD Card - Includes Micro SD-to-SD Adapter - Ultra High Speed Memory Card Compatible with Series 1 and 2 Nextbase Dash Cam Range - Dash Camera Accessories**Nextbase**£54.00**4.6★3,251 rev](https://www.amazon.co.uk/dp/B07QBPHGHX) [4**SanDisk 128GB High Endurance microSDXC card for IP cams & dash cams + SD adapter up to 10 000 Hours Full HD / 4K videos up to 100 MB/s UHS-I Class 10 U3 V30**SanDisk**£20.63**4.6★36,846 rev](https://www.amazon.co.uk/dp/B07NY23WBG) [5**SanDisk 128GB Extreme microSDXC card +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 U3**SanDisk**£16.45**4.7★101,677 rev](https://www.amazon.co.uk/dp/B09X7BK27V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mystor Micro SD Memory Card for Nextbase 522GW 322GW 422GW 622GW IQ 1K 2K 4K Nextbase MicroSD card Dash Cam Micro SD Memory Cards Dash Cam Video Speed V30 UHS-1 U3 (128GB MicroSD RapidEdge)**Mystor**£17.13**29 rev1y ago](https://www.amazon.co.uk/dp/B0F22HPHPG) [**Nextbase 256GB U3 Micro SD Card - Includes Micro SD-to-SD Adapter - Ultra High Speed Memory Card Compatible with Nextbase Dash Cam 522GW and 622GW - Dash Camera Accessories**Nextbase**£86.21**3,251 rev3y ago](https://www.amazon.co.uk/dp/B09RM293NM) [**SanDisk 128GB Extreme microSDXC card +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 U3**SanDisk**£16.45**101,677 rev4y ago](https://www.amazon.co.uk/dp/B09X7BK27V) [**Nextbase 32GB U3 Micro SD Card - Includes Micro SD-to-SD Adapter - Ultra High Speed Memory Card Compatible with Series 1 and 2 Nextbase Dash Cam Range - Dash Camera Accessories**Nextbase**£17.86**3,251 rev4y ago](https://www.amazon.co.uk/dp/B09W5P7W3P) [**Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 128GB Black**Amazon Basics**£10.45**96,025 rev5y ago](https://www.amazon.co.uk/dp/B08TJRVWV1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nextbase 256GB U3 Micro SD Card - Includes Micro SD-to-SD Adapter - Ultra High Speed Memory Card Compatible with Nextbase Dash Cam 522GW and 622GW - Dash Camera Accessories**Nextbase**£86.21**4.6★**▲ 102%**](https://www.amazon.co.uk/dp/B09RM293NM) [**Digi-Chip 64GB Micro-SD Memory Card for Nextbase Dash Cam 122 222 322GW 422GW 522GW 622GW**Digi-Chip**£13.07**4.4★**▲ 74%**](https://www.amazon.co.uk/dp/B07THZ13TZ) [**Mystor Micro SD Memory Card for Nextbase 522GW 322GW 422GW 622GW IQ 1K 2K 4K Nextbase MicroSD card Dash Cam Micro SD Memory Cards Dash Cam Video Speed V30 UHS-1 U3 (128GB MicroSD RapidEdge)**Mystor**£17.13**3.9★**▲ 16%**](https://www.amazon.co.uk/dp/B0F22HPHPG) [**SanDisk 128GB Extreme microSDXC card +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 U3**SanDisk**£16.45**4.7★**— 6%**](https://www.amazon.co.uk/dp/B09X7BK27V) [**Nextbase 128GB U3 Micro SD Card - Includes Micro SD-to-SD Adapter - Ultra High Speed Memory Card Compatible with Series 1 and 2 Nextbase Dash Cam Range - Dash Camera Accessories**Nextbase**£54.00**4.6★**— 4%**](https://www.amazon.co.uk/dp/B07QBPHGHX)
**~~View all trending →~~**
## **What buyers say about u3 micro sd card 128gb for dash cam nextbase**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**26%
*“Good quality card”*
**Value For Money**19%
*“Good value for money”*
**Advertised Vs Actual Product**15%
*“It just works”*
**Storage Capacity**6%
*“Good storage”*
**Compatibility-Overall**6%
*“great compatibility”*
**Data Transfer Speed**5%
*“Fast speed”*
**Camera Quality**4%
*“Usefull and fitted my camera”*
**Durability**3%
*“Always reliable”*
**Recording Feature**3%
*“Recording is smooth as is playback”*
**Computation Performance**2%
*“it is pretty quick”*
### **What buyers complain about **
**Compatibility-Overall**26%
*“Doesn't work with my PSP”*
**Functionality-Overall**20%
*“Card doesn't work”*
**Durability**10%
*“then broke”*
**Value For Money**8%
*“Overpriced”*
**Quality-Overall**6%
*“Should have taken note of other reviews stating how unreliable these are”*
**Camera Quality**5%
*“Nextbase are not the best dash camera”*
**Storage Capacity**4%
*“it shows as zero capacity”*
**Computation Performance**3%
*“claimed speed was wrong”*
**Rusts/Corrodes**2%
*“i rust sandisk more then many other companys with sd cards”*
**Heating**2%
*“heat doesnt seem to impact their performance”*
### **Top return reasons **
**Compatibility-Overall**38%
**Functionality-Overall**27%
**Size-Overall**10%
**Defective Material/Parts**4%
**Camera Quality**4%
**Storage Capacity**2%
**Advertised Vs Actual Product**2%
**Value For Money**2%
**Product Condition**1%
**Quality-Overall**1%
## **Common questions**
- **Is u3 micro sd card 128gb for dash cam nextbase profitable to sell on Amazon United Kingdom?**
- The niche generates £80K/yr across 8 tracked products. 90-day search growth is -8.6%. Flapen's verdict: Skip it (37/100).
- **How competitive is the u3 micro sd card 128gb for dash cam nextbase niche?**
- 5 brands and 47 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in u3 micro sd card 128gb for dash cam nextbase?**
- Top complaints mined from reviews: Compatibility-Overall, Functionality-Overall, Durability. The return rate is 1.3%.
- **When does demand for u3 micro sd card 128gb for dash cam nextbase peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the u3 micro sd card 128gb for dash cam nextbase niche?**
- Listings span £10.45–£86.21; the average listing price is £29.47 (sweet spot $15–$100). The average incumbent carries 30,564 reviews — the moat a new listing must climb.
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