Is 256gb micro sd card profitable to sell on Amazon United States?

The niche generates $5.7M/yr across 16 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.4%. Flapen's verdict: Worth a look (51/100).

How competitive is the 256gb micro sd card niche?

8 brands and 78 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in 256gb micro sd card?

Top complaints mined from reviews: Durability, Functionality-Overall, Value For Money. The return rate is 2.1%.

When does demand for 256gb micro sd card peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the 256gb micro sd card niche?

Listings span $10.83–$67.15; the average listing price is $38.68 (sweet spot $15–$100). The average incumbent carries 64,103 reviews — the moat a new listing must climb.

256gb micro sd card

Worth a look

Shows a $5.7M/yr market, but a deep review moat (64,103 avg reviews) keeps it on the watch list.

Market size

Incredible$5.7M

$5.7M/yr · 2.4M searches

Avg price

Incredible$38.68

avg listing price — sweet spot $15–$100

Price range

Great$10.83–$67.15

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Good2.1%

return rate — above 5% kills the launch gate

Conversion

Good6.1%

search→purchase rate — share of searches ending in a sale

Competition

Okay61%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-4.4%

90-day search growth — must beat 0% to launch

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad94%

top-5 brand share — brand-locked demand

Review moat

Bad64,103.44

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, 256gb micro sd card is a $5.7M/yr Amazon United States market (2.4M searches/yr). The top 5 brands hold 94% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

256gb micro sd card market data

Units sold / yr: 200K–250K; avg 10,000–12,500/product
Revenue / yr: $7.7M–$9.7M; units × avg price
Conversion rate: 6.1%
Avg BSR: #25
Page quality: 0%
Prime: 100%
Sponsored: 63%
Out of stock: 0.8%
Avg brand age: 42 months
Avg seller age: 179 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 rising

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

61%

Top 20: 100%

Open market

Sandisk65%
Amazon Basics13%
Samsung8%
TEAMGROUP4%
SP Silicon Power4%
Lerdisk2%
Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top 256gb micro sd card search terms

256gb micro sd card659K/yr -4.3%3.6% conv.
micro sd card 256gb567K/yr +1.2%4.1% conv.
sd card 256gb360K/yr -26.2%2.8% conv.
256gb sd card178K/yr -3.2%2.8% conv.
256 gb micro sd card130K/yr +5.4%3.6% conv.
256 micro sd card65K/yr +7.8%3.9% conv.
micro sd card 25651K/yr +0.4%4.8% conv.
mini sd card 256gb41K/yr +27.2%4.6% conv.
256 sd card41K/yr +12.0%3.1% conv.
256 gb sd card48K/yr -2.4%3.0% conv.

All search terms

Top 256gb 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SANDISK 256GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s C10 U1 Full HD A1 MicroSD Card - SDSQUAC-256G-GN6MA

Sandisk$32.114.7★267,305 rev

SANDISK 256GB Extreme microSDXC UHS-I Memory Card with Adapter - C10 U3 V30 4K 5K A2 Micro SD Card - SDSQXAV-256G-GN6MA

Sandisk$31.354.8★147,387 rev

Samsung P9 Express microSD Express Card 256GB microSDXC Memory Card Up to 800 MB/s for Nintendo-Switch 2 (MB MK256T/AM)

Samsung$39.014.7★1,917 rev

Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 256GB Black

Amazon Basics$24.634.7★153,587 rev

SANDISK 256GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed Full HD Video V10 U1 C10 A4 - SDSQUJQ-256G-GZ6MA

Sandisk$53.864.7★689 rev

Newest

by launch date

SANDISK 256GB 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 - SDSQXH9-256G-GZ6MA

Sandisk$67.15147,387 rev

4mo ago

SANDISK 256GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed Full HD Video V10 U1 C10 A4 - SDSQUJQ-256G-GZ6MA

Sandisk$53.86689 rev

6mo ago

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

9mo ago

Amazon Basics 256GB microSDXC Memory Card with Adapter for Action Cameras Full HD Drones Tablets Smartphones Read Speed Up to 200MB/s 1-Pack

Amazon Basics$29.582,614 rev

1y ago

SanDisk Ultra 256GB microSDXC UHS-I 150MB/s R Memory Card 10 Y Warranty for Smartphones

Sandisk$39.6869,340 rev

2y ago

What buyers say about 256gb micro sd card

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money18%

“Great deal”

Quality-Overall16%

“Reliable quality”

Advertised Vs Actual Product14%

“Exactly as shown”

Compatibility-Overall13%

“It is compatible”

Storage Capacity12%

“Lots of storage”

Data Transfer Speed5%

“Transfer speeds are decent”

Durability3%

“still works fine”

Ease Of Use2%

“Very easy to use”

Functionality-Overall2%

“Works like a champ”

Camera Quality2%

“nice for home camera”

What buyers complain about

Durability17%

“Broke”

Functionality-Overall17%

“Doesn't work”

Value For Money11%

“This rather expensive”

Compatibility-Overall9%

“Isn't compatible with our Car”

Quality-Overall7%

“just garbage”

Computation Performance6%

“This card is very slow”

Data Transfer Speed4%

“Terribly slow transfer speed”

Storage Capacity4%

“needs more space frequently”

Product Condition3%

“Used item sold as New”

Advertised Vs Actual Product3%

“photos also need to be blamed”

Top return reasons

Compatibility-Overall24%

Functionality-Overall23%

Size-Overall16%

Value For Money13%

Storage Capacity4%

Computation Performance4%

Defective Material/Parts3%