sandisk 128gb extreme pro cfexpress card type b
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Returns
Good2.4%return rate — above 5% kills the launch gate
Avg price
Good$126.83avg listing price — sweet spot $15–$100
Price range
Okay$46.05–$203.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Bad25,151.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Market size
Bad$0$0/yr · 5K searches
Growth
Bad-56.8%90-day search growth — must beat 0% to launch
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, sandisk 128gb extreme pro cfexpress card type b is a $0/yr Amazon United States market (5K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Dec. Verdict: Skip it — 13/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
sandisk 128gb extreme pro cfexpress card type b market data
- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $13K–$32K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #42
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 50%
- Out of stock
- 0.0%
- Avg brand age
- 46 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
30
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Sandisk82%
- Lexar18%
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — -56.8% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 2.9×
Top sandisk 128gb extreme pro cfexpress card type b 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 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SANDISK 128GB Extreme PRO CFexpress Card Type B - SDCFE-128G-GN4NN
Sandisk$105.644.8★5,166 rev

SANDISK 256GB Extreme PRO SDXC UHS-I Memory Card - C10 U3 V30 4K UHD SD Card - SDSDXXD-256G-GN4IN
Sandisk$46.054.8★88,793 rev

Lexar 256GB Professional CFexpress Type A Silver 4.0 Memory Card for Photographers Videographers Up to max 1750/1650 MB/s 8K Video (LCAEXS4256G-RNENU)
Lexar$152.634.8★1,481 rev

SANDISK 512GB Extreme PRO CFexpress Card Type B - SDCFE-512G-GN4NN
Sandisk$203.024.8★5,166 rev
Newest
by launch date
Lexar 256GB Professional CFexpress Type A Silver 4.0 Memory Card for Photographers Videographers Up to max 1750/1650 MB/s 8K Video (LCAEXS4256G-RNENU)
Lexar$152.631,481 rev

SANDISK 256GB Extreme PRO SDXC UHS-I Memory Card - C10 U3 V30 4K UHD SD Card - SDSDXXD-256G-GN4IN
Sandisk$46.0588,793 rev

SANDISK 128GB Extreme PRO CFexpress Card Type B - SDCFE-128G-GN4NN
Sandisk$105.645,166 rev

SANDISK 512GB Extreme PRO CFexpress Card Type B - SDCFE-512G-GN4NN
Sandisk$203.025,166 rev
Trending
90-day click momentum
Lexar 256GB Professional CFexpress Type A Silver 4.0 Memory Card for Photographers Videographers Up to max 1750/1650 MB/s 8K Video (LCAEXS4256G-RNENU)
Lexar$152.634.8★

SANDISK 512GB Extreme PRO CFexpress Card Type B - SDCFE-512G-GN4NN
Sandisk$203.024.8★

SANDISK 256GB Extreme PRO SDXC UHS-I Memory Card - C10 U3 V30 4K UHD SD Card - SDSDXXD-256G-GN4IN
Sandisk$46.054.8★

SANDISK 128GB Extreme PRO CFexpress Card Type B - SDCFE-128G-GN4NN
Sandisk$105.644.8★
What buyers say about sandisk 128gb extreme pro cfexpress card type b
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent input/output”
“Large capacity”
“Cheap”
“Compatible”
“As advertised”
“Transfers to the computer are quick”
“Pretty good, its really durable and really fast”
“Speedy”
“This is a great size”
“No failures”
What buyers complain about
“Expensive But Capable”
“overheat then it buffers”
“it is a dead stick”
“This card only lasted 3 months”
“This was likely USED and RETURNED”
“Poor quality”
“Choppy Audio, Blurry Images”
“Still cant read them”
Top return reasons
Common questions
- Is sandisk 128gb extreme pro cfexpress card type b profitable to sell on Amazon United States?
- The niche generates $0/yr across 4 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -56.8%. Flapen's verdict: Skip it (13/100).
- How competitive is the sandisk 128gb extreme pro cfexpress card type b niche?
- 2 brands and 30 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in sandisk 128gb extreme pro cfexpress card type b?
- Top complaints mined from reviews: Value For Money, Heating, Adhesion/Stickiness. The return rate is 2.4%.
- When does demand for sandisk 128gb extreme pro cfexpress card type b peak?
- Demand peaks in Dec; the busiest month runs 2.9× the quietest.
- What does it cost to enter the sandisk 128gb extreme pro cfexpress card type b niche?
- Listings span $46.05–$203.02; the average listing price is $126.83 (sweet spot $15–$100). The average incumbent carries 25,152 reviews — the moat a new listing must climb.