---
title: "Prograde Cf Express Type B — $19K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/prograde-cf-express-type-b"
last_updated: "2026-08-05T21:23:29.561Z"
locale: en
meta:
description: "Niche score 20/100 · $19K/yr market · 19K searches/yr · $216.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 20/100 · $19K/yr market · 19K searches/yr · $216.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Prograde Cf Express Type B — $19K/yr Amazon US Niche (2026) - Flapen"
---
# **prograde cf express type b**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 5Growth 30Conversion 6Competition 19Returns 46Price range 6Avg price 44Brand share 0Review moat 52Quality gap 20
**Review moat**
**Good****1,404.31**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****3.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Okay****$216.61**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+3.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Conversion**
**Bad****0.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$77.21–$455.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$19K**
$19K/yr · 19K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, prograde cf express type b is a $19K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Dec. Verdict: Skip it — 20/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **prograde cf express type b market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$54K–$108K**
- units × avg price
- **Conversion rate**
- **0.5%**
- **Avg BSR**
- **#147**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **77%**
- **Out of stock**
- **8.3%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **184 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**0%**
- ProGrade Digital88% - Sandisk6% - Lexar4% - Angelbird2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +3.6% search growth over the last 90 days.
900700Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/electronics/prograde-cf-express-type-b/trend)
## **Top prograde cf express 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.
0%10%$2K20%$4K30%$6K40%$8K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ProGrade Digital Memory Card - CFexpress 4.0 Type B for Cameras | Optimized for Express Transfer of Files & Large Storage | 512GB Gold Series**ProGrade Digital**$228.71**4.7★705 rev](https://www.amazon.com/dp/B0CN1NPM5H) [2**ProGrade Digital Memory Card - CFexpress 4.0 Type B for Cameras | Optimized for Express Transfer of Files & Large Storage | 240GB Gold Series**ProGrade Digital**$157.68**4.7★705 rev](https://www.amazon.com/dp/B0F76BC4JJ) [3**CFexpress Type B and SD UHS-II Dual-Slot Memory Card Reader by ProGrade Digital | USB 3.2 Gen 2 for Professional Filmmakers Photographers & Content Creators**ProGrade Digital**$77.21**4.6★1,809 rev](https://www.amazon.com/dp/B085PWGSMT) [4**ProGrade Digital Memory Card - CFexpress 4.0 Type B for Cameras | Optimized for Express Transfer of Files & Large Storage | 400GB Iridium Series**ProGrade Digital**$262.01**4.8★45 rev](https://www.amazon.com/dp/B0D5JT1JTD) [5**ProGrade Digital 128GB CFexpress 2.0 Type B Memory Card (Gold)**ProGrade Digital**$114.90**4.7★705 rev](https://www.amazon.com/dp/B0DPLN4CXX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ProGrade Digital Memory Card - CFexpress 4.0 Type B for Cameras | Optimized for Express Transfer of Files & Large Storage | 240GB Gold Series**ProGrade Digital**$157.68**705 rev1y ago](https://www.amazon.com/dp/B0F76BC4JJ) [**Angelbird AV PRO SE CFexpress B v4 1 TB - CFexpress 4.0 Type B Memory Card - Largest Capacity and Ultra High-Speed - up to 12 K+ RAW Video and Photo**Angelbird**$415.07**53 rev1y ago](https://www.amazon.com/dp/B0DSWKDVT4) [**ProGrade Digital 128GB CFexpress 2.0 Type B Memory Card (Gold)**ProGrade Digital**$114.90**705 rev1y ago](https://www.amazon.com/dp/B0DPLN4CXX) [**ProGrade Digital Memory Card - CFexpress 4.0 Type B for Cameras | Optimized for Express Transfer of Files & Large Storage | 400GB Iridium Series**ProGrade Digital**$262.01**45 rev2y ago](https://www.amazon.com/dp/B0D5JT1JTD) [**ProGrade Digital Memory Card - CFexpress 4.0 Type B for Cameras | Optimized for Express Transfer of Files & Large Storage | 800GB Iridium Series**ProGrade Digital**$455.77**45 rev2y ago](https://www.amazon.com/dp/B0D5J91QCT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Lexar 128GB Professional CFexpress Type B Silver Series Memory Card for Photographers Videographers Up to 1750/1300 MB/s 8K Video (LCXEXSL128G-RNENG)**Lexar**$96.90**4.8★**▲ 271%**](https://www.amazon.com/dp/B097RWC482) [**SANDISK 256GB Extreme PRO CFexpress Card Type B - SDCFE-256G-GN4NN**Sandisk**$187.51**4.8★**▲ 247%**](https://www.amazon.com/dp/B085DBCJTG) [**Lexar 256GB Professional CFexpress Type B Silver Series Memory Card for Photographers Videographers Up to 1750/1300 MB/s 8K Video (LCXEXSL256G-RNENG)**Lexar**$152.48**4.8★**▲ 207%**](https://www.amazon.com/dp/B09H19L9B4) [**ProGrade Digital Memory Card - CFexpress 4.0 Type B for Cameras | Optimized for Express Transfer of Files & Large Storage | 400GB Iridium Series**ProGrade Digital**$262.01**4.8★**▲ 51%**](https://www.amazon.com/dp/B0D5JT1JTD) [**ProGrade Digital Memory Card - CFexpress 4.0 Type B for Cameras | Optimized for Express Transfer of Files & Large Storage | 240GB Gold Series**ProGrade Digital**$157.68**4.7★**▲ 25%**](https://www.amazon.com/dp/B0F76BC4JJ)
**~~View all trending →~~**
## **What buyers say about prograde cf express type b**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Super quality and perfect card”*
**Compatibility-Overall**14%
*“Works fine with all SD cards”*
**Functionality-Overall**11%
*“If you want something that works - get this one”*
**Advertised Vs Actual Product**8%
*“Works as intended”*
**Magnetic Strength/Adsorption**7%
*“Love it and the magnet on it is also a good idea”*
**Value For Money**7%
*“High end performance at a reasonable price”*
**Computation Performance**7%
*“Fast and well built cards for Nikon z 8 and 9 cameras”*
**Data Transfer Speed**6%
*“Its fast and easy to format”*
**Strength**4%
*“Device itself is slick, strong enclosure, just heavy enough to stay stable on its rubber footing”*
**Portability**3%
*“Works well, small, easily packed for travel and fairly speedy in a TB4 MAC port”*
### **What buyers complain about **
**Durability**19%
*“I have broken several of these things from use”*
**Heating**15%
*“overheat then it buffers”*
**Functionality-Overall**7%
*“could not even turn camera off - had to pull the battery”*
**Size-Overall**7%
*“Smaller”*
**Quality-Overall**5%
*“Really bad product”*
**Value For Money**5%
*“too expensive”*
**Signal Strength**4%
*“Bad Cable”*
**Data Transfer Speed**4%
*“The write speed on this card is not even faster than the best V90 SD cards which is disappointing”*
**Magnetic Strength/Adsorption**4%
*“The idiocy of putting a powerful magnet on the back of a card reader that you want to transport around”*
**Ease Of Use**4%
*“could not be used”*
### **Top return reasons **
**Compatibility-Overall**23%
**Value For Money**17%
**Size-Overall**13%
**Functionality-Overall**12%
**Advertised Vs Actual Product**7%
**Camera Quality**5%
**Product Condition**4%
**Heating**3%
**Storage Capacity**3%
**Data Transfer Speed**3%
## **Common questions**
- **Is prograde cf express type b profitable to sell on Amazon United States?**
- The niche generates $19K/yr across 13 tracked products. 90-day search growth is +3.6%. Flapen's verdict: Skip it (20/100).
- **How competitive is the prograde cf express type b niche?**
- 4 brands and 27 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in prograde cf express type b?**
- Top complaints mined from reviews: Durability, Heating, Functionality-Overall. The return rate is 3.3%.
- **When does demand for prograde cf express type b peak?**
- Demand peaks in Dec; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the prograde cf express type b niche?**
- Listings span $77.21–$455.77; the average listing price is $216.61 (sweet spot $15–$100). The average incumbent carries 1,404 reviews — the moat a new listing must climb.
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