tf card 128gb
Worth a lookShows a sweet-spot price point ($28.83 avg), but a deep review moat (27,232 avg reviews) keeps it on the watch list.
Avg price
Incredible$28.83avg listing price — sweet spot $15–$100
Price range
Great$11.96–$48.73cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.4%search→purchase rate — share of searches ending in a sale
Brand share
Great59%top-5 brand share — no brand owns this niche
Returns
Good2.2%return rate — above 5% kills the launch gate
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$142K$142K/yr · 59K searches
Growth
Bad-1.8%90-day search growth — must beat 0% to launch
Review moat
Bad27,231.8avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, tf card 128gb is a $142K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Aug–Sep–Dec. Verdict: Worth a look — 54/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
tf card 128gb market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $173K–$231K
- units × avg price
- Conversion rate
- 8.4%
- Avg BSR
- #59
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 10.1%
- Avg brand age
- 35 months
- Avg seller age
- 194 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
20 rising
Sellers
79
Top-5 brand share
59%
Top 20: 100%
Top-5 click share
52%
Top 20: 91%
Open market
35%
- Bliksem16%
- Yicunxin15%
- Amazon Basics11%
- MindStor9%
- Sandisk8%
- ZHSWEN7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.8% search growth over the last 90 days.Peak months: Aug, Sep, Dec · busiest ÷ quietest = 2.2×
Top tf card 128gb search terms
- tf card 128gb42K/yr
- tf memory card 128gb6K/yr
- 128gb tf card7K/yr
- 128 gb tf card3K/yr
Top tf card 128gb 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
TF Card 128GB with Adapter High Speed Memory Card UHS-I C10 A1 Memory TF Card for Tablet/Mobile Phone/Camera/Car Audio/Game Console (128 GB)
Yicunxin$22.324.4★453 rev

2 Pack TF Card 128GB with Adapter High Speed Memory Card UHS-I C10 A1 Memory TF Card for Tablet/Mobile Phone/Camera/Car Audio/Game Console (TF162 Red Gold 128GB)
Bliksem$31.344.6★11,030 rev

Amazon Basics microSDXC Memory Card with Full Size Adapter A2 U3 Read Speed up to 100 MB/s 128GB Black
Amazon Basics$15.324.7★153,587 rev

Micro SDXC 128GB Memory Card MindStor 90MB/s Read Speed TF Card with Adapter U1 A1 HD 1080P Video Loop Recording Support for Security Camera Dash Cam 1 Pack
MindStor$21.904.5★393 rev

128GB Micro Memory Card Class 10 Memory Cards High Speed Mini TF Card with Adapter for Smartphones/Tablet/Drone/Game Console(2-Pack)
ZHSWEN$22.914.1★406 rev
Newest
by launch date
MORIC 2 Pack 128GB Micro SD Card with Adapter High Speed Memory Card C10 A1 Memory TF Card for Camera/Dash Cam/Smartphone/Tablet/Drone
MORIC$45.5226 rev

2 Pack 128GB Micro SD Card with Adapter High Speed Memory Card C10 A1 TF Card for Camera/Dash Cam/Smartphone/Tablet/Drone128GB*2
MORIC$44.62100 rev

Micro Memory Card 128GB with Adapter C10/U1/UHS-I/A1 TransFlash Card TF Card for Camera Smartphone Tablet Drone (Red 128GB)
ESHAKHARE$26.65126 rev

2 Pack Micro Memory Card 128 GB with Adapter C10/U1/UHS-I/A1 TransFlash Card TF Card for Smartphone Tablet Camera Drone Personal Computer (Red 128GB*2-U1)
ESHAKHARE$42.3346 rev

2 Pack 128 GB Micro Memory Card with Adapter TF Memory Card Class 10 Mini Memory Card for Smartphone/Tablet/Camera/Personal Computer (128GB*2-U1)
myemuun$42.54995 rev
Trending
90-day click momentum
2 Pack Micro Memory Card 128 GB with Adapter C10/U1/UHS-I/A1 TransFlash Card TF Card for Smartphone Tablet Camera Drone Personal Computer (Red 128GB*2-U1)
ESHAKHARE$42.333.5★

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★

2 Pack 128 GB Micro Memory Card with Adapter TF Memory Card Class 10 Mini Memory Card for Smartphone/Tablet/Camera/Personal Computer (128GB*2-U1)
myemuun$42.544.3★

2 Pack 128GB Micro SD Card with Adapter High Speed Memory Card C10 A1 TF Card for Camera/Dash Cam/Smartphone/Tablet/Drone128GB*2
MORIC$44.624.2★

Micro Memory Card 128GB with Adapter C10/U1/UHS-I/A1 TransFlash Card TF Card for Camera Smartphone Tablet Drone (Red 128GB)
ESHAKHARE$26.654.6★
What buyers say about tf card 128gb
What buyers praise and complain about, mined from review topics.What buyers love
“Decent price”
“Card Quality excellent”
“As advertised”
“Great for raspberry pi's”
“Lots of storage”
“Fast transfer speed”
“The best camera I have owned”
“Very easy to use”
“Easily installed”
“Size is accurate”
What buyers complain about
“Failed after a couple months”
“Stopped working”
“Chip not compatible”
“Absolute garbage”
“Storage problem”
“the price was so low”
“misleading”
“The processing speed on these is horrible”
“This camera doesnt work”
“possible incorrect size”
Top return reasons
Common questions
- Is tf card 128gb profitable to sell on Amazon United States?
- The niche generates $142K/yr across 30 tracked products. 10 of 10 products launched in the last 360 days are still selling. 90-day search growth is -1.8%. Flapen's verdict: Worth a look (54/100).
- How competitive is the tf card 128gb niche?
- 20 brands and 79 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 59% of demand.
- What do buyers complain about in tf card 128gb?
- Top complaints mined from reviews: Durability, Functionality-Overall, Compatibility-Overall. The return rate is 2.2%.
- When does demand for tf card 128gb peak?
- Demand peaks in Aug–Sep–Dec; the busiest month runs 2.2× the quietest.
- What does it cost to enter the tf card 128gb niche?
- Listings span $11.96–$48.73; the average listing price is $28.83 (sweet spot $15–$100). The average incumbent carries 27,232 reviews — the moat a new listing must climb.