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power supply

Skip it

Brand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.

Market size 63Growth 16Conversion 22Competition 54Returns 39Price range 82Avg price 92Brand share 11Review moat 74Quality gap 42

Avg price

Great£53.93

avg listing price — sweet spot $15–$100

Price range

Great£17.80–£116.17

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Good551.93

avg incumbent reviews — the moat a new listing must climb

Market size

Good£564K

£564K/yr · 595K searches

Competition

Good53%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay3.9%

return rate — above 5% kills the launch gate

Conversion

Bad1.8%

search→purchase rate — share of searches ending in a sale

Growth

Bad-17.9%

90-day search growth — must beat 0% to launch

Brand share

Bad96%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, power supply is a £564K/yr Amazon United Kingdom market (595K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 44/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

power supply market data

Units sold / yr
8K–10K
avg 100–250/product
Revenue / yr
£431K–£539K
units × avg price
Conversion rate
1.8%
Avg BSR
#48
Page quality
0%
Prime
96%
Sponsored
82%
Out of stock
0.0%
Avg brand age
45 months
Avg seller age
174 days

Competition & brand share

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 falling

Sellers

146

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

53%

Top 20: 92%

Open market

2%

  • Corsair50%
  • MSI25%
  • JUSTOP12%
  • be quiet!6%
  • Gigabyte3%
  • Tecnoware Power Systems2%
  • Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -17.9% search growth over the last 90 days.
23K18KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 1.9×

Top power supply search terms

  • psu179K/yr
  • power supply128K/yr
  • pc power supply71K/yr
  • power supplies47K/yr
  • corsair psu29K/yr
  • modular psu22K/yr
  • atx power supply19K/yr
  • atx psu16K/yr
  • pc psu14K/yr
  • corsair power supply12K/yr
All search terms

Top power supply 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%5%£28K10%£56K15%£85K20%£113K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about power supply

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall23%

“Awesome quality”

Value For Money15%

“Good value”

Assembly/Installation10%

“Easy to setup”

Advertised Vs Actual Product8%

“It just works”

Strength5%

“feels solidly built”

Durability5%

“it seems that it will be durable”

Size-Overall4%

“Everything fit perfectly”

Functionality-Overall4%

“Gets the job done”

Noise Cancellation4%

“I can confirm it's quiet”

Design-Overall4%

“It looks sleek”

What buyers complain about

Noise Level24%

“Its very noisy when on”

Durability13%

“broke on first use”

Quality-Overall8%

“Bad quality control - multiple power supply defects”

Functionality-Overall6%

“Wouldnt boot”

Audio Quality5%

“I still can't hear it”

Connectivity-Overall3%

“Didnt have correct connections”

Value For Money3%

“it keeps being listed as more expensive”

Size-Overall3%

“loose at the back”

Advertised Vs Actual Product2%

“it's not the same”

Product Condition2%

“Looked like it had been previously used”

Top return reasons

Functionality-Overall20%
Compatibility-Overall18%
Defective Material/Parts14%
Noise Level10%
Size-Overall9%
Connectivity-Overall4%
Socket/Port/Plug4%
Constant Reboot Or Restart4%
Length3%
Advertised Vs Actual Product2%

Common questions

Is power supply profitable to sell on Amazon United Kingdom?
The niche generates £564K/yr across 28 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -17.9%. Flapen's verdict: Skip it (44/100).
How competitive is the power supply niche?
7 brands and 146 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in power supply?
Top complaints mined from reviews: Noise Level, Durability, Quality-Overall. The return rate is 3.9%.
When does demand for power supply peak?
Demand peaks in Jan–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the power supply niche?
Listings span £17.80–£116.17; the average listing price is £53.93 (sweet spot $15–$100). The average incumbent carries 552 reviews — the moat a new listing must climb.