---
title: "128gb Micro Sd Card — £6.6M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/128gb-micro-sd-card"
last_updated: "2026-07-31T07:19:06.761Z"
locale: en
meta:
description: "Niche score 55/100 · £6.6M/yr market · 6.3M searches/yr. A deep review moat (45,594 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · £6.6M/yr market · 6.3M searches/yr. A deep review moat (45,594 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:title": "128gb Micro Sd Card — £6.6M/yr Amazon UK Niche (2026) - Flapen"
---
# **128gb micro sd card**
**Worth a look**
Shows a $6.6M/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****£6.6M**
£6.6M/yr · 6.3M searches
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.1%**
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**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-4.0%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Review moat**
**Bad****45,593.84**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United Kingdom niche tracking, 128gb micro sd card is a £6.6M/yr Amazon United Kingdom market (6.3M 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 ~~](https://flapen.com/research/methodology)
## **128gb 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**
- **7.1%**
- **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 54% 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**
**54%**
Top 20: 94%
**Open market**
**7%**
- SanDisk64% - KOOTION15% - Amazon Basics6% - Lexar3% - KEXIN3% - KODAK2% - Open — no brand owns it (4 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -4.0% search growth over the last 90 days.
175K125KHoliday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/computers-accessories/128gb-micro-sd-card/trend)
## **Top 128gb micro sd card search terms**
- **micro sd card**2.2M/yr-4.3%5.2% conv. - **sd card**1.8M/yr-0.0%3.5% conv. - **memory card**334K/yr+5.2%2.7% conv. - **128gb micro sd card**288K/yr-12.8%5.5% conv. - **micro sd card 128gb**223K/yr-12.9%6.2% conv. - **micro sd**216K/yr+2.7%4.5% conv. - **sd cards**169K/yr-5.7%1.7% conv. - **sd card micro 128gb**105K/yr-2.5%5.6% conv. - **sandisk micro sd card**145K/yr-10.6%4.2% conv. - **128gb sd card**110K/yr-5.4%3.9% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/128gb-micro-sd-card/search-terms)
## **Top 128gb 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%£656K20%£1.3M30%£2.0M40%£2.6M1001K10K100K1.0M Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**SanDisk 128GB Ultra microSDXC card + SD adapter Memory card Full HD up to 140 MB/s For smartphones and Tablets with A1 App Performance UHS-I Class 10 U1**SanDisk**£13.25**4.6★175,040 rev](https://www.amazon.co.uk/dp/B0B7NTY2S6) [2**KOOTION 64GB Micro SD Card UHD Video for GoPro Action Camera Drone Smartphone R/W up to 80/20MB/s MicroSDXC Memory Card UHS-I U1 Class 10**KOOTION**£8.98**4.4★10,243 rev](https://www.amazon.co.uk/dp/B08CBBL4L6) [3**SanDisk 256GB 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**£21.91**4.6★175,040 rev](https://www.amazon.co.uk/dp/B0B7NV73PJ) [4**SanDisk 128GB Extreme PRO SDXC card SD Card V30 Memory Card 4K UHD up to 200 MB/s SanDisk QuickFlow Technology RescuePro Deluxe Data Recovery Software UHS-I Class 10 U3 V30**SanDisk**£24.75**4.7★95,962 rev](https://www.amazon.co.uk/dp/B09X7FXHVJ) [5**SANDISK Ultra SDXC Card 64GB**SanDisk**£12.65**4.6★8,442 rev](https://www.amazon.co.uk/dp/B0B7NWR653)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**KEXIN Micro SD Card 16GB MicroSDHC UHS-I Class 10 A1 U1 Mini SD Card Memory Card for Smartphone Tablet Camera**KEXIN**£7.52**6,408 rev4mo ago](https://www.amazon.co.uk/dp/B0GT3Z7C8W) [**Biwin MS100 Micro SDXC Card 32GB MicroSD UHS-I Memory Card A1 V10 U1 Class 10 Up to 100 MB/s Read Speeds for Smartphones Tablets Home Security Camera and Dash Cams**BIWIN**£8.88**572 rev1y ago](https://www.amazon.co.uk/dp/B0FFM5XP38) [**SANDISK Ultra Go micro SDXC card 128GB + SD adapter (For Android Smartphones and Tablets Memory card up to 150 MB/s Full HD Video V10 A1 Faster App Performance UHS-I Class 10 U1) For Amazon**SanDisk**£13.40**1,313 rev1y ago](https://www.amazon.co.uk/dp/B0DCW8FKK9) [**SANDISK Extreme Go micro SDXC card 128GB + SD adapter (For Android Devices Gaming Consoles Drones Action Cams UHS-I up to 200 MB/s V30 5K 4K UHD Rescue PRO Class 10 U3) For Amazon**SanDisk**£17.60**101,677 rev1y ago](https://www.amazon.co.uk/dp/B0DCW7MST8) [**32GB/64GB/128GB Micro Memory Card High Speed Class 10 TF Card 10M/s for Digital Cameras Mobile Phones GPS MP3 Players PDAS Tablets etc (128GB)**Annadue**£14.86**518 rev3y ago](https://www.amazon.co.uk/dp/B0C97WMPCQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**KEXIN Micro SD Card 16GB MicroSDHC UHS-I Class 10 A1 U1 Mini SD Card Memory Card for Smartphone Tablet Camera**KEXIN**£7.52**4.4★**▲ 290%**](https://www.amazon.co.uk/dp/B0GT3Z7C8W) [**Biwin MS100 Micro SDXC Card 32GB MicroSD UHS-I Memory Card A1 V10 U1 Class 10 Up to 100 MB/s Read Speeds for Smartphones Tablets Home Security Camera and Dash Cams**BIWIN**£8.88**4.6★**▲ 218%**](https://www.amazon.co.uk/dp/B0FFM5XP38) [**SanDisk 64GB Extreme PRO SDXC card SD Card V30 Memory Card 4K UHD up to 200 MB/s SanDisk QuickFlow Technology RescuePro Deluxe Data Recovery Software UHS-I Class 10 U3 V30**SanDisk**£17.92**4.7★**▲ 214%**](https://www.amazon.co.uk/dp/B09X7C7NCZ) [**32GB/64GB/128GB Micro Memory Card High Speed Class 10 TF Card 10M/s for Digital Cameras Mobile Phones GPS MP3 Players PDAS Tablets etc (128GB)**Annadue**£14.86**3.9★**▲ 214%**](https://www.amazon.co.uk/dp/B0C97WMPCQ) [**Kodak Premiun SDHC 32GB Class10 U1 packaging may vary**KODAK**£10.91**4.5★**▲ 171%**](https://www.amazon.co.uk/dp/B01FZPCT6M)
**~~View all trending →~~**
## **What buyers say about 128gb micro sd card**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**23%
*“Great value for money”*
**Quality-Overall**21%
*“good quality card”*
**Advertised Vs Actual Product**15%
*“As advertised”*
**Storage Capacity**6%
*“Good storage”*
**Compatibility-Overall**6%
*“great compatibility”*
**Camera Quality**5%
*“Perfect, camera works so much better now”*
**Data Transfer Speed**5%
*“Transfer speed was reliably high”*
**Durability**3%
*“Always reliable”*
**Size-Overall**3%
*“Excellent size”*
**Ease Of Use**2%
*“Very easy to use”*
### **What buyers complain about **
**Durability**21%
*“Broke after 1 week”*
**Functionality-Overall**20%
*“no longer works”*
**Quality-Overall**10%
*“Low quality”*
**Compatibility-Overall**10%
*“Did not work on multiple devices, requested replacement”*
**Value For Money**8%
*“Although not the cheapest option”*
**Size-Overall**3%
*“Not fit for purpose”*
**Computation Performance**3%
*“Very slow speed”*
**Data Transfer Speed**2%
*“Slow data transfer speed”*
**Storage Capacity**2%
*“Only suitable for storage”*
**Camera Quality**2%
*“Corrupt after 1 month use in security camera”*
### **Top return reasons **
**Compatibility-Overall**34%
**Functionality-Overall**22%
**Size-Overall**22%
**Camera Quality**4%
**Defective Material/Parts**4%
**Storage Capacity**2%
**Advertised Vs Actual Product**2%
**Value For Money**1%
**Product Condition**1%
**Connectivity-Overall**1%
## **Common questions**
- **Is 128gb micro sd card profitable to sell on Amazon United Kingdom?**
- The niche generates £6.6M/yr across 25 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -4.0%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the 128gb micro sd card niche?**
- 10 brands and 184 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in 128gb micro sd card?**
- Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 1.3%.
- **When does demand for 128gb micro sd card peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the 128gb 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.
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