420mm Aio
FailPrices span $99.73–$390.49, mostly outside the sweet spot, so 420mm Aio is a Fail.
- Flapen Score
- 32 / 100Ranks 7,308 of 8,347 Electronics niches · −11 vs the category median of 4332
- Market size
- $218K/yr143K searches / yr
- 90-day growth
- -4.7%search demand this quarter
- Competition
- 71%top-5 click share · 9 brands · 50 sellers
Flapen Score
420mm Aio against its category
The dotted line is the Electronics average. Past it, 420mm Aio is stronger. Inside it, weaker.
Market
The 420mm Aio market on Amazon at a glance
Shoppers on Amazon United States searched for 420mm Aio 143K times last year and spent an estimated $218K. The top 5 brands take 85% of clicks. Flapen scores it 32 out of 100, a Fail.
01 · Demand
An estimated 0.7% of those searches ended in a purchase.
Shoppers searched for this 143K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.7% of those searches ended in a purchase. Searches in the last 90 days moved -4.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $218K a year.
- Searches, last 12 months
- 143K
- Growth, 90 days vs prior 90
- -4.7%
- Conversion, latest week
- 0.7%
- Market size, estimated
- $218Ka year
- Peak month
- November1.4× the quietest month
- Top search term
- 420mm aio73K searches a year
02 · Price
A sale here is worth $209.05.
Listings sell for $209.05 on average, from $99.73 to $390.49. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 100 to 250 of them. At $209.05 that is $21K to $52K a year per listing.
- Average price
- $209.05above the $15 to $100 sweet spot
- Price range
- $99.73–$390.49
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $21K–$52K
- Returns
- 9.8%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
50% of listings pay for placement with sponsored ads. 81% ship with Prime. On an average day, 10.5% of listings are out of stock. The average listing ranks #229 within Internal Components. It carries 290 reviews at 4.29 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 50%
- Prime listings
- 81%
- Out of stock, average day
- 10.5%
- Average rank
- #229in Internal Components
- Average rating
- 4.29 starsAmazon United States average 4.42 stars
- Average reviews
- 290per listing
- Listings tracked
- 16
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 39 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 39 months
Products
Top 420mm Aio 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
ARCTIC Liquid Freezer III Pro 420 - AIO CPU Cooler 3 x 140 mm Water Cooling 38 mm Radiator PWM Pump VRM Fan AMD AM5/AM4 Intel LGA1851/1700 Contact Frame - Black
- Price
- $99.73
- Rating
- 4.5/5
- Reviews
- 373
- Age
- 1y ago

ARCTIC Liquid Freezer III Pro 420 A-RGB - AIO CPU Cooler 3 x 140 mm Water Cooling 38 mm Radiator PWM Pump VRM Fan AM5/AM4 Intel LGA1851/1700 Contact Frame - Black
- Price
- $109.17
- Rating
- 4.5/5
- Reviews
- 319
- Age
- 1y ago

be quiet! Silent Loop 3 420mm CPU AIO Liquid Cooler | 3 Silent Wings 4 140mm PWM High-Speed Fans | Quiet Performance | 6-Pole Motor | Discreet ARGB Lighting | Refillable | Black | BW026
- Price
- $147.19
- Rating
- 4.7/5
- Reviews
- 345
- Age
- 1y ago

ARCTIC Liquid Freezer III Pro 420 A-RGB - AIO CPU Cooler 3 x 140 mm Water Cooling 38 mm Radiator PWM Pump VRM Fan AMD AM5/AM4 Intel LGA1851/1700 Contact Frame - White
- Price
- $115.03
- Rating
- 4.2/5
- Reviews
- 128
- Age
- 1y ago

ASUS ProArt LC 420 All-in-one CPU Liquid Cooler with Illuminated System Status Meter and Three Noctua NF-A14 industrialPPC-2000 PWM 140mm Radiator Fans 6 Year Warranty
- Price
- $331.54
- Rating
- 4.4/5
- Reviews
- 67
- Age
- 2y ago
Trending
estimated 90-day click momentum
Noctua NL-LC1-42 420mm Quiet All-in-One (AIO) Water Cooler for AMD AM5 and Intel LGA1851/LGA1700 CPUs (Black Brown Beige)
- Price
- $278.30
- Rating
- 4.6/5
- Reviews
- 26
- Age
- 1mo ago

Phanteks Glacier One 420D30 X2 AIO Liquid CPU Cooler Evolv X2 Aluminum Cap Design 3X Performance D30-140 D-RGB Fans for Intel LGA 1851 1700 1200 115x and AMD AM4/AM5 sockets (Black)
- Price
- $177.52
- Rating
- 4.5/5
- Reviews
- 12
- Age
- 1y ago

ASUS ROG RYUJIN III 360 ARGB Extreme All-in-one AIO CPU Liquid Cooler AMD Ryzen 9000 & Intel Core Ultra Ready Asetek Gen8 V2 Pump high Airflow Magnetic Fans; Customizable 3.5 LCD 6 Year Warranty
- Price
- $390.49
- Rating
- 4.6/5
- Reviews
- 231
- Age
- 1y ago

Geometric Future Eskimo Pro - 420mm AIO CPU Liquid Water Cooler- RGB PWM Squama 2503B 140mm Fan x 3- Fit Intel LGA 1700 AMDAM5 - Black- (GEO-EP-42B)
- Price
- $109.22
- Rating
- 4.6/5
- Reviews
- 83
- Age
- 1y ago

be quiet! Silent Loop 3 420mm CPU AIO Liquid Cooler | 3 Silent Wings 4 140mm PWM High-Speed Fans | Quiet Performance | 6-Pole Motor | Discreet ARGB Lighting | Refillable | Black | BW026
- Price
- $147.19
- Rating
- 4.7/5
- Reviews
- 345
- Age
- 1y ago
Newest
by launch date
Noctua NL-LC1-42 420mm Quiet All-in-One (AIO) Water Cooler for AMD AM5 and Intel LGA1851/LGA1700 CPUs (Black Brown Beige)
- Price
- $278.30
- Rating
- 4.6/5
- Reviews
- 26
- Age
- 1mo ago

ARCTIC Liquid Freezer III Pro 420 A-RGB - AIO CPU Cooler 3 x 140 mm Water Cooling 38 mm Radiator PWM Pump VRM Fan AMD AM5/AM4 Intel LGA1851/1700 Contact Frame - White
- Price
- $115.03
- Rating
- 4.2/5
- Reviews
- 128
- Age
- 1y ago

ARCTIC Liquid Freezer III Pro 420 A-RGB - AIO CPU Cooler 3 x 140 mm Water Cooling 38 mm Radiator PWM Pump VRM Fan AM5/AM4 Intel LGA1851/1700 Contact Frame - Black
- Price
- $109.17
- Rating
- 4.5/5
- Reviews
- 319
- Age
- 1y ago

MAGFloe 420 Ultra CPU Liquid Cooler/Intel&AMD Compatible/ 3x140mm 500~2000rpm SWAFAN EX/ 420mm Radiator/MAGForce 2.0/3.95 Square LCD/Swappable Fan Blades/Black/CL-W451-PL14SW-A
- Price
- $254.61
- Rating
- 2.6/5
- Reviews
- 8
- Age
- 1y ago

Corsair Titan 420 RX RGB Liquid CPU Cooler 420mm AIO Low-Noise FlowDrive Cooling Engine Intel LGA 1851/1700 & AMD AM5/AM4 3X RX140 RGB Fans System Hub Included Black
- Price
- $211.24
- Rating
- 4.7/5
- Reviews
- 1,378
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 71% of clicks. A locked shelf that new listings rarely crack.
Brands
9 falling
Sellers
50
Est. top-5 brand share
85%
Top 20: 100%
Est. top-5 click share
71%
Top 20: 100%
Open market
11%
- ARCTIC54%
- be quiet!12%
- ASUS8%
- Thermaltake6%
- Phanteks5%
- NZXT4%
- Open — no brand owns it (3 brands, 11%)
Demand
420mm Aio search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top 420mm Aio search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 420mm aio73K/yr
- 420 aio15K/yr
- 420mm aio cooler12K/yr
- arctic liquid freezer iii pro 42013K/yr
- 420 mm aio5K/yr
- aio 420mm6K/yr
- aio cooler 420mm3K/yr
- 420 aio cpu cooler5K/yr
- 480mm aio3K/yr
- 420mm aio white3K/yr
Reviews and returns
What reviews say buyers love and hate about 420mm Aio
We read the reviews and the return reasons for every product selling here.
“You probably wont fit this in a mid case or smaller”
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.
18 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 420mm Aio 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









