R4 Card Ds
FailDemand is soft, at -12.1% this quarter, so R4 Card Ds is a Fail.
- Flapen Score
- 46 / 100Top 37% of 8,347 Electronics niches · +3 vs the category median of 4346
- Market size
- $199K/yr358K searches / yr
- 90-day growth
- -12.1%search demand this quarter
- Competition
- 76%top-5 click share · 8 brands · 12 sellers
Flapen Score
R4 Card Ds against its category
The dotted line is the Electronics average. Past it, R4 Card Ds is stronger. Inside it, weaker.
Market
The R4 Card Ds market on Amazon at a glance
Shoppers on Amazon United States searched for R4 Card Ds 358K times last year and spent an estimated $199K. The top 5 brands take 91% of clicks. Demand peaks in Dec. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 2.4% of those searches ended in a purchase.
Shoppers searched for this 358K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.4% of those searches ended in a purchase. Searches in the last 90 days moved -12.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $199K a year.
- Searches, last 12 months
- 358K
- Growth, 90 days vs prior 90
- -12.1%
- Conversion, latest week
- 2.4%
- Market size, estimated
- $199Ka year
- Peak month
- December1.9× the quietest month
- Top search term
- r4 card149K searches a year
02 · Price
A sale here is worth $23.13.
Listings sell for $23.13 on average, from $15.15 to $30.15. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 750 to 1,000 of them. At $23.13 that is $17K to $23K a year per listing.
- Average price
- $23.13inside the $15 to $100 sweet spot
- Price range
- $15.15–$30.15
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $17K–$23K
- Returns
- 2.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
67% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #66 within Memory Card Accessories. It carries 205 reviews at 4.18 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 67%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #66in Memory Card Accessories
- Average rating
- 4.18 starsAmazon United States average 4.42 stars
- Average reviews
- 205per listing
- Listings tracked
- 12
04 · Newcomers
3 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 36 months on average, so the names here are settling in.
- Launched, last 12 months
- 6
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 36 months
Products
Top R4 Card Ds products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
HawkTec R4 2026 R4xMP SDHC Dual Core Update Adapter Memory Card for NDS DS DSI 2DS 3DS New 2DS New 3DS XL No Timebomb
- Price
- $18.32
- Rating
- 4.6/5
- Reviews
- 343
- Age
- 3y ago

2025 R4 SDHC Gold Pro Card Dual Core Revolution Cartridge + USB Adapter & 16GB MicroSD TF Card KIT for New 2DS/3DS/LL/XL NDSL NDSI 208 in 1 Preloaded
- Price
- $28.15
- Rating
- 4.0/5
- Reviews
- 122
- Age
- 1y ago

JeanAnte R4 Video Games Memory Card3DS Game Flashcard Adapter Support for NDS MD GB GBC FC PCE
- Price
- $15.15
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 8mo ago

R4 SDHC Gold pro + USB Adapter KIT with 8 GB Micro SD Will Work ON DS DSI 2DS 3DS
- Price
- $26.02
- Rating
- 4.5/5
- Reviews
- 1,083
- Age
- 6y ago

R4 SDHC Gold Pro Adapter with 32 GB Micro SD with YS Menu with 500 in 1 Will Work On DS DSI DSIXL 2DS 2DSXL 3DS 3DSXL
- Price
- $30.15
- Rating
- 4.5/5
- Reviews
- 396
- Age
- 4y ago
Trending
estimated 90-day click momentum
HawkTec DSPico Flash Cart Adapter Card Compatible w/NDS DS DSi 2DS 3DS (R4 Upgrade) Built on LNH Team Open-Source Platform RP2040 Powered Picolauncher (No Micro SD (Adapter Included))
- Price
- $18.65
- Rating
- 4.9/5
- Reviews
- 19
- Age
- 1mo ago

HawkTec Edition DS Flash Cart / DS Flash Card Compatible w/ NDS DS DSi 2DS 3DS (R4 Upgrade) 8GB Micro SD Included Built on LNH Team Open-Source Platform RP2040 MCU Powered Dual Power 6MB/s SD Read Full DS Mode & Pico Launcher Support
- Price
- $26.68
- Rating
- 4.0/5
- Reviews
- 26
- Age
- 4mo ago

Kaico DSPico RP2040 Development Card Compatible with Nintendo DS/DSi
- Price
- $26.33
- Rating
- 4.3/5
- Reviews
- 159
- Age
- 6mo ago

JeanAnte R4 Video Games Memory Card3DS Game Flashcard Adapter Support for NDS MD GB GBC FC PCE
- Price
- $15.15
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 8mo ago

2025 Gold Pro Micro Dual Core Revolution Cartridge Compatibled with SDHC
- Price
- $15.64
- Rating
- 3.2/5
- Reviews
- 25
- Age
- 11mo ago
Newest
by launch date
HawkTec DSPico Flash Cart Adapter Card Compatible w/NDS DS DSi 2DS 3DS (R4 Upgrade) Built on LNH Team Open-Source Platform RP2040 Powered Picolauncher (No Micro SD (Adapter Included))
- Price
- $18.65
- Rating
- 4.9/5
- Reviews
- 19
- Age
- 1mo ago

HawkTec Edition DS Flash Cart / DS Flash Card Compatible w/ NDS DS DSi 2DS 3DS (R4 Upgrade) 8GB Micro SD Included Built on LNH Team Open-Source Platform RP2040 MCU Powered Dual Power 6MB/s SD Read Full DS Mode & Pico Launcher Support
- Price
- $26.68
- Rating
- 4.0/5
- Reviews
- 26
- Age
- 4mo ago

Kaico DSPico RP2040 Development Card Compatible with Nintendo DS/DSi
- Price
- $26.33
- Rating
- 4.3/5
- Reviews
- 159
- Age
- 6mo ago

JeanAnte R4 Video Games Memory Card3DS Game Flashcard Adapter Support for NDS MD GB GBC FC PCE
- Price
- $15.15
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 8mo ago

2025 Gold Pro Micro Dual Core Revolution Cartridge Compatibled with SDHC
- Price
- $15.64
- Rating
- 3.2/5
- Reviews
- 25
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
8 rising
Sellers
12
Est. top-5 brand share
91%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
5%
- HawkTec32%
- Game Source23%
- Filisund13%
- JeanAnte13%
- EternallyZ11%
- Kaico4%
- Open — no brand owns it (2 brands, 5%)
Demand
R4 Card Ds search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Dec · busiest ÷ quietest = 1.9×
Search terms
Top R4 Card Ds search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- r4 card149K/yr
- r4 card ds76K/yr
- ds flash cart28K/yr
- r4 card ds lite11K/yr
- ds r4 card9K/yr
- r4 3ds10K/yr
- r4 ds8K/yr
- 3ds flash cart5K/yr
- ds cartridge4K/yr
- r4 card 3ds4K/yr
Reviews and returns
What reviews say buyers love and hate about R4 Card Ds
We read the reviews and the return reasons for every product selling here.
“NOT WORKING”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common R4 Card Ds questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









