heatsink
Skip itA small market ($64K/yr) — this niche doesn't clear our bar today.
Review moat
Great405.81avg incumbent reviews — the moat a new listing must climb
Competition
Good41%top-5 click share — leaders hold, buyers still browse
Returns
Good2.2%return rate — above 5% kills the launch gate
Price range
Good$5.77–$34.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good67%top-5 brand share — brands hold most of the demand
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Avg price
Okay$10.47avg listing price — sweet spot $15–$100
Growth
Okay+8.4%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$64K$64K/yr · 203K searches
According to Flapen's Amazon United States niche tracking, heatsink is a $64K/yr Amazon United States market (203K searches/yr). The top 5 brands hold 67% of demand. Verdict: Skip it — 47/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
heatsink market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $63K–$84K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #131
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 5.3%
- Avg brand age
- 51 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
31
Top-5 brand share
67%
Top 20: 100%
Top-5 click share
41%
Top 20: 84%
Open market
27%
- Pastall20%
- Easycargo16%
- Awxlumv14%
- SGTKJSJS10%
- Gokano7%
- Jienk6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top heatsink search terms
- heatsink62K/yr
- heat sink57K/yr
- heat sinks26K/yr
- heatsinks19K/yr
- aluminum heatsink13K/yr
- aluminum heat sink6K/yr
- heatsink kit4K/yr
- heat sync5K/yr
- heat sink kit4K/yr
- small heatsink4K/yr
Top heatsink 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
Pastall 100 PCS (8 Different Sizes) Heatsink Kit with Conductive Adhesive Tape Aluminum Heat Sinks Cooler and Copper Heat Sink for Raspberry Pi A B B+ 2/3/4/5
Pastall$12.024.6★788 rev

Easycargo 2pcs 40mm Heatsink Kit 100mmx40mmx20mm + 3M8810 Thermal Conductive Adhesive Tape Cooling Aluminium Heat Sink
Easycargo$11.014.9★150 rev

4Pcs Heatsink 80 x 40 x 11mm Black Aluminum Heat Sink Radiator Cooler with Thermal Conductive Adhesive Tape Cooling Fin for 3D Printer Motor Thermoelectric Peltier
Gokano$10.124.8★62 rev

M.2 Heatsink Cooler 2280 SSD Double-Sided Heat Sink with Thermal Silicone pad for PS5/PC PCIE NVME M2 SSD(Black)
SGTKJSJS$7.124.6★1,297 rev

Jienk 4PCS Black Aluminum Heat Sink with Thermal Conductive Adhesive Tape 404020mm Heatsink Cooler for Cooling VRM GPU Stepper Driver 3D Printer Stepper Motor
Jienk$9.974.7★214 rev
Newest
by launch date
Bestoss M.2 2280 SSD NVMe Heatsink Double Surface Thermal Dissipation
Bestoss$9.6558 rev

Atdcoek 5 Pack SSD Heat Sink Cooler for 2280 SSD nvme Heatsink with Thermal Silicone Pad for for Desktop PC/Workstation (5 Pack Black)
Atdcoek$6.03249 rev

4Pcs Heatsink 80 x 40 x 11mm Black Aluminum Heat Sink Radiator Cooler with Thermal Conductive Adhesive Tape Cooling Fin for 3D Printer Motor Thermoelectric Peltier
Gokano$10.1262 rev

120mm Large Aluminum Heatsink 120x120x20mm / 4.72x4.72x0.79Inch Heat Sink Square Cooler for WiFi Router Mac mini Base Power Supply IC Graphics Card Memory Cooling 120mmx120mmx20mm Black
Awxlumv$12.97101 rev

Thermalright Peerless Assassin 120 SE CPU Cooler 6 Heat Pipes AGHP Technology Dual 120mm PWM Fans 1550RPM Speed for AMD:AM4 AM5/Intel LGA 1700/1150/1151/1200/1851 PC Cooler
Thermalright$34.753,211 rev
Trending
90-day click momentum
Bestoss M.2 2280 SSD NVMe Heatsink Double Surface Thermal Dissipation
Bestoss$9.654.4★

Awxlumv 80mm Aluminum Heat Sink 80x80x27mm /3.15x3.15x1.06 Large Heatsink Sync Circuit Board Cooler 26 Fins for Routers PCHs ICS Amplifiers Transistors Voltage Regulators DIY Electronics Cooling
Awxlumv$10.944.7★

Atdcoek 5 Pack SSD Heat Sink Cooler for 2280 SSD nvme Heatsink with Thermal Silicone Pad for for Desktop PC/Workstation (5 Pack Black)
Atdcoek$6.034.6★

Awxlumv Large Aluminum Heat Sink 3.94 x2.71 x 1.41 / 100mm x 69mm x 36mm Heatsink High Power Cooling Plate 27 Fin Radiator GPU Cooler IC Module PC Computer Led PCB Charger Electronics Amplifier
Awxlumv$11.024.7★

Easycargo 20pcs 9mm Small mini Heatsink Kit 9x9x5mm + 3M 8810 Thermal Conductive Adhesive Tape mini Cooler Aluminum Heat Sink for Cooling VRM GPU Stepper Driver MOSFET VRam Regulators (9mmx9mmx5mm)
Easycargo$7.004.5★
What buyers say about heatsink
What buyers praise and complain about, mined from review topics.What buyers love
“good heat sink”
“Great value”
“Solid build quality”
“it's been a great addition to my setup”
“Fits well”
“As advertised”
“I had no issues with compatibility”
“Very easy to use”
“Great design,”
“Sticks well”
What buyers complain about
“it usually overheats”
“I thought it was going to be larger. sadly”
“installation would be impossible”
“Bad performance, not even close to some motherboard heat sink”
“Can't comment on how loud it is”
“Very poor instructions”
“However, I do have a visual complaint regarding the aesthetics”
“Not compatible with laptops”
“Little bit goofy how you kinda have to cut the adhesive to fit a little better”
“Should make that clear in the description”
Top return reasons
Common questions
- Is heatsink profitable to sell on Amazon United States?
- The niche generates $64K/yr across 36 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +8.4%. Flapen's verdict: Skip it (47/100).
- How competitive is the heatsink niche?
- 18 brands and 31 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in heatsink?
- Top complaints mined from reviews: Heating, Size-Overall, Assembly/Installation. The return rate is 2.2%.
- When does demand for heatsink peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the heatsink niche?
- Listings span $5.77–$34.75; the average listing price is $10.47 (sweet spot $15–$100). The average incumbent carries 406 reviews — the moat a new listing must climb.