samsung 128gb micro sd card
Skip itA deep review moat (47,313 avg reviews) — this niche doesn't clear our bar today.
Avg price
Incredible$26.20avg listing price — sweet spot $15–$100
Price range
Incredible$15.32–$39.60cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.3%return rate — above 5% kills the launch gate
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Conversion
Bad1.9%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-18.4%90-day search growth — must beat 0% to launch
Market size
Bad$12K$12K/yr · 23K searches
Brand share
Bad99%top-5 brand share — brand-locked demand
Review moat
Bad47,312.78avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, samsung 128gb micro sd card is a $12K/yr Amazon United States market (23K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 32/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
samsung 128gb micro sd card market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $52K–$66K
- units × avg price
- Conversion rate
- 1.9%
- Avg BSR
- #66
- Page quality
- 0%
- Prime
- 78%
- Sponsored
- 35%
- Out of stock
- 15.4%
- Avg brand age
- 32 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
6 rising
Sellers
84
Top-5 brand share
99%
Top 20: 100%
Top-5 click share
53%
Top 20: 96%
Open market
0%
- Samsung66%
- Sandisk23%
- Amazon Basics6%
- PNY2%
- SP Silicon Power2%
- Kingston1%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -18.4% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 2.2×
Top samsung 128gb micro sd card search terms
- samsung 128gb micro sd card12K/yr
- samsung sd card 128gb7K/yr
- samsung micro sd card 128gb5K/yr
Top samsung 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.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Samsung PRO Endurance 128GB MicroSDXC Memory Card with Adapter for Dash Cam Body Cam and Security Camera Class 10 U3 V30 (MB-MJ128KA/AM)
Samsung$33.924.7★28,447 rev

SANDISK 128GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed Full HD Video V10 U1 C10 A5 - SDSQUJQ-128G-GZ6MA
Sandisk$34.404.7★689 rev

SAMSUNG EVO Select Micro SD-Memory-Card + Adapter 128GB microSDXC 130MB/s Full HD & 4K UHD UHS-I U3 A2 V30 Expanded Storage for Android Smartphones Tablets Nintendo-Switch (MB-ME128KA/AM)
Samsung$28.434.7★93,727 rev

Samsung EVO Plus microSD Memory Card + Adapter 128GB microSDXC Speeds Up to 160 MB/s UHS-I C10 U3 V10 A3 Upgrade Storage for Phones Tablets Gaming Consoles DSLR Cameras PCs MB-MC128SA/AM
Samsung$38.544.7★499 rev

Samsung microSDXC T9 128GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH128T/AM)
Samsung$38.844.7★75 rev
Newest
by launch date
Samsung microSDXC T9 128GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH128T/AM)
Samsung$38.8475 rev

Samsung microSDXC T7 128GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB128T/AM)
Samsung$34.25105 rev

SANDISK 128GB Extreme microSD UHS-I Card - Up to 245MB/s Read Speed and 120MB/s Write Speed 5.3K Video 4K UHD Video high-Performance for Action cams Drones Android Devices - SDSQXH9-128G-GZ6MA
Sandisk$39.60147,387 rev

SANDISK 128GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed Full HD Video V10 U1 C10 A5 - SDSQUJQ-128G-GZ6MA
Sandisk$34.40689 rev

Kingston 128GB Canvas Select Plus microSD Card | Up to 150MB/s | Class 10 UHS-I U1 V10 A1 | SDCS3/128GB
Kingston$22.83492 rev
Trending
90-day click momentum
Samsung microSDXC T9 128GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH128T/AM)
Samsung$38.844.7★

Samsung microSDXC T7 128GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB128T/AM)
Samsung$34.254.7★

SANDISK 128GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed Full HD Video V10 U1 C10 A5 - SDSQUJQ-128G-GZ6MA
Sandisk$34.404.7★

SANDISK 128GB Extreme microSD UHS-I Card - Up to 245MB/s Read Speed and 120MB/s Write Speed 5.3K Video 4K UHD Video high-Performance for Action cams Drones Android Devices - SDSQXH9-128G-GZ6MA
Sandisk$39.604.8★

Samsung EVO Plus microSD Memory Card + Adapter 128GB microSDXC Speeds Up to 160 MB/s UHS-I C10 U3 V10 A3 Upgrade Storage for Phones Tablets Gaming Consoles DSLR Cameras PCs MB-MC128SA/AM
Samsung$38.544.7★
What buyers say about samsung 128gb micro sd card
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality card”
“Excellent value”
“As advertised”
“Lots of storage”
“is very compatible with my GoPro, ace 360 and Cameron camera”
“Fast transfer speed”
“The best camera I have owned”
“Very easy to use”
“It has been reliable with no issues”
“Installed and working well”
What buyers complain about
“Failed after a couple months”
“Stopped working”
“Incompatible”
“Over priced alot”
“Bad quality”
“offered none of the promised storage capacity”
“misleading”
“The transfer would have taken about 2-3 hours”
“This camera doesnt work”
“The card was used”
Top return reasons
Common questions
- Is samsung 128gb micro sd card profitable to sell on Amazon United States?
- The niche generates $12K/yr across 23 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -18.4%. Flapen's verdict: Skip it (32/100).
- How competitive is the samsung 128gb micro sd card niche?
- 6 brands and 84 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 99% of demand.
- What do buyers complain about in samsung 128gb micro sd card?
- Top complaints mined from reviews: Durability, Functionality-Overall, Compatibility-Overall. The return rate is 2.3%.
- When does demand for samsung 128gb micro sd card peak?
- Demand peaks in Jul–Aug; the busiest month runs 2.2× the quietest.
- What does it cost to enter the samsung 128gb micro sd card niche?
- Listings span $15.32–$39.60; the average listing price is $26.20 (sweet spot $15–$100). The average incumbent carries 47,313 reviews — the moat a new listing must climb.