16gb micro sd card
Skip itA deep review moat (92,953 avg reviews) — this niche doesn't clear our bar today.
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£10.54avg 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–£19.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad£47K£47K/yr · 58K searches
Review moat
Bad92,953.16avg 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.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
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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
KEXIN Micro SD Card 16GB MicroSDHC UHS-I Class 10 A1 U1 Mini SD Card Memory Card for Smartphone Tablet Camera
KEXIN£7.524.4★6,408 rev

Philips 16 GB Class 10 Micro SDHC Memory Card with Adapter
PHILIPS£8.074.4★2,207 rev

PNY Performance Plus microSDHC card 16GB Class 10
PNY£7.624.4★2,230 rev

KEXIN Micro SD Card 16GB 3 Pack MicroSDHC Memory Card UHS-1 Up to 80MB/s Read Class 10 C10 U1 TF Card for Camera Smartphone Security System Drone Tablet (Black Green)
KEXIN£13.854.5★8,776 rev

16GB Micro SD Card with Adapter
whraqzzc£7.884.3★26 rev
Newest
by launch date
16GB Micro SD Card with Adapter
whraqzzc£7.8826 rev

KEXIN Micro SD Card 16GB Pack of 2 MicroSDHC UHS-I Class 10 A1 U1 Mini SD Card with Adapter Memory Card for Smartphone Tablet Camera
KEXIN£11.576,408 rev

KEXIN Micro SD Card 16GB MicroSDHC UHS-I Class 10 A1 U1 Mini SD Card Memory Card for Smartphone Tablet Camera
KEXIN£7.526,408 rev

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£8.88572 rev

Original Kingston Technology 16GB/32GB/64GB/128GB Mini Genuine Micro SD Memory Card for Tablet Mobile Black (Adapter Only)
Kingston£2.69219 rev
Trending
90-day click momentum
KEXIN Micro SD Card 16GB Pack of 2 MicroSDHC UHS-I Class 10 A1 U1 Mini SD Card with Adapter Memory Card for Smartphone Tablet Camera
KEXIN£11.574.4★

16GB Micro SD Card with Adapter
whraqzzc£7.884.3★

Magix 16GB microSD Card Class10 V10 U1 Read Speed Up to 80 MB/s HD Series (SD Adapter Included)
Magix£6.934.6★

KEXIN Micro SD Card 16GB MicroSDHC UHS-I Class 10 A1 U1 Mini SD Card Memory Card for Smartphone Tablet Camera
KEXIN£7.524.4★

KEXIN Micro SD Card 16GB 3 Pack MicroSDHC Memory Card UHS-1 Up to 80MB/s Read Class 10 C10 U1 TF Card for Camera Smartphone Security System Drone Tablet (Black Green)
KEXIN£13.854.5★
What buyers say about 16gb micro sd card
What buyers praise and complain about, mined from review topics.What buyers love
“GREAT VALUE”
“works as advertised”
“Great quality SD cards”
“Compatible with the action camera I procured”
“ease to add additional storage capacity”
“Perfect, camera works so much better now”
“easy to use”
“Decent transfer speeds”
“fit for purpose”
“Good value and durable”
What buyers complain about
“SD failed”
“Snapped in half on first use”
“I would have got it much cheaper on Amazon”
“Poor Quality”
“This is relatively small capacity card compared to what is available nowadays”
“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.”
“This was poor for me I wanted to write a custom OS to it”
“Stopped working with camera”
“After using for 5 hours then became corrupted in my WiFi camera”
“Overheated two devices”
Top return reasons
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.