512gb micro sd card
Worth a lookShows a $3.6M/yr market, but a deep review moat (54,983 avg reviews) keeps it on the watch list.
Market size
Incredible$3.6M$3.6M/yr · 1.7M searches
Avg price
Great$59.97avg listing price — sweet spot $15–$100
Price range
Great$24.63–$118.34cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.5%return rate — above 5% kills the launch gate
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Bad92%top-5 brand share — brand-locked demand
Growth
Bad-13.3%90-day search growth — must beat 0% to launch
Review moat
Bad54,983.37avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, 512gb micro sd card is a $3.6M/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Dec. Verdict: Worth a look — 50/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
512gb micro sd card market data
- Units sold / yr
- 100K–125K
- avg 5,000–6,000/product
- Revenue / yr
- $6.0M–$7.5M
- units × avg price
- Conversion rate
- 3.5%
- Avg BSR
- #45
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 63%
- Out of stock
- 0.3%
- Avg brand age
- 39 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
97
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
54%
Top 20: 93%
Open market
4%
- Sandisk51%
- lekutas14%
- Amazon Basics14%
- Samsung7%
- Lexar6%
- PNY4%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -13.3% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.8×
Top 512gb micro sd card search terms
- 512gb micro sd card562K/yr
- micro sd card 512gb375K/yr
- 512 gb micro sd card123K/yr
- 512gb sd card108K/yr
- sd card 512gb116K/yr
- 512 micro sd card57K/yr
- micro sd 512gb44K/yr
- samsung pro plus micro sd card37K/yr
- 512 sd card36K/yr
- micro sd card 51238K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SANDISK 512GB Extreme microSDXC UHS-I Memory Card with Adapter - C10 U3 V30 4K 5K A2 Micro SD Card - SDSQXAV-512G-GN6MA
Sandisk$62.394.8★147,387 rev

SANDISK 512GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s C10 U1 Full HD A1 MicroSD Card - SDSQUAC-512G-GN6MA
Sandisk$43.734.7★267,305 rev

LEKUTAS 512GB Micro SD Card microSDXC UHS-I Flash Memory Card TF Card High Speed 100MB/s C10 U3 A2 V30 for Full HD 4K UHD Video Recording
lekutas$38.813.3★118 rev

Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 512GB Black
Amazon Basics$36.254.7★153,587 rev

SANDISK 512GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed Full HD Video V10 U1 C10 A3 - SDSQUJQ-512G-GZ6MA
Sandisk$98.904.7★689 rev
Newest
by launch date
Samsung microSDXC T7 512GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB512T/AM)
Samsung$98.49105 rev

SANDISK 512GB Extreme microSD UHS-I Card - Up to 245MB/s Read Speed and 170MB/s Write Speed 5.3K Video 4K UHD Video high-Performance for Action cams Drones Android Devices - SDSQXH9-512G-GZ6MA
Sandisk$118.34147,387 rev

SANDISK 512GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed Full HD Video V10 U1 C10 A3 - SDSQUJQ-512G-GZ6MA
Sandisk$98.90689 rev

LEKUTAS 512GB Micro SD Card microSDXC UHS-I Flash Memory Card TF Card High Read Speed 120MB/s C10 U3 A2 V30 for Full HD 4K UHD Video Recording
lekutas$40.9062 rev

Samsung P9 Express microSD Express Card 256GB microSDXC Memory Card Up to 800 MB/s for Nintendo-Switch 2 (MB MK256T/AM)
Samsung$39.011,917 rev
Trending
90-day click momentum
Samsung microSDXC T7 512GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB512T/AM)
Samsung$98.494.7★

SANDISK 512GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed Full HD Video V10 U1 C10 A3 - SDSQUJQ-512G-GZ6MA
Sandisk$98.904.7★

SANDISK 512GB Extreme microSD UHS-I Card - Up to 245MB/s Read Speed and 170MB/s Write Speed 5.3K Video 4K UHD Video high-Performance for Action cams Drones Android Devices - SDSQXH9-512G-GZ6MA
Sandisk$118.344.8★

Amazon Basics 1TB microSDXC Card with Adapter for Smartphones Full HD Tablets Drones Action Cameras Read Speed Up to 200MB/s 1-Pack
Amazon Basics$117.694.7★

LEKUTAS 512GB Micro SD Card microSDXC UHS-I Flash Memory Card TF Card High Speed 100MB/s C10 U3 A2 V30 for Full HD 4K UHD Video Recording
lekutas$38.813.3★
What buyers say about 512gb micro sd card
What buyers praise and complain about, mined from review topics.What buyers love
“Amazing value”
“good quality that is reliable this is it”
“Large storage”
“Compatible with my camera”
“Works as it should”
“the transfer went smoothly”
“so far it is holding up excellent”
“Functional, as good as any name memory and a very good value”
“It handles everything smoothly”
“Games load fast”
What buyers complain about
“Making it non-functional”
“Broke”
“I just wish the price was a little bit lower”
“the console showed that it was incompatible”
“Bad quality”
“Terribly slow transfer speed”
“Missing Storage”
“Transfer speeds always end up plummeting”
“Used item sold as New”
“Comes up a little short”
Top return reasons
Common questions
- Is 512gb micro sd card profitable to sell on Amazon United States?
- The niche generates $3.6M/yr across 27 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is -13.3%. Flapen's verdict: Worth a look (50/100).
- How competitive is the 512gb micro sd card niche?
- 8 brands and 97 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in 512gb micro sd card?
- Top complaints mined from reviews: Functionality-Overall, Durability, Value For Money. The return rate is 2.5%.
- When does demand for 512gb micro sd card peak?
- Demand peaks in Dec; the busiest month runs 1.8× the quietest.
- What does it cost to enter the 512gb micro sd card niche?
- Listings span $24.63–$118.34; the average listing price is $59.97 (sweet spot $15–$100). The average incumbent carries 54,983 reviews — the moat a new listing must climb.