power supply
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Avg price
Great£53.93avg listing price — sweet spot $15–$100
Price range
Great£17.80–£116.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good551.93avg 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.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
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable ATX 3.1 & PCIe 5.1 Compliant Cybenetics Gold Efficiency 105C-Rated Capacitors Modern Standby Mode Black
Corsair£78.004.6★688 rev

CORSAIR CX650 80 PLUS Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - UK - Black
Corsair£42.514.7★1,330 rev

MSI MAG A850GL PCIE5 Power Supply Unit 850W 80 Plus Gold Fully Modular ATX 3.0 PCIe 5.0 GPU Support Black Flat Cables 7 Year Warranty
MSI£75.954.6★916 rev

JUSTOP Black 650W PSU ATX Switching Power Supply Computer Desktop PC With 120mm Fan 8-Pin 12V 6+2 Pin PCI-E 6x SATA (650W)
JUSTOP£24.714.2★188 rev

MSI MAG A650BN Gaming Power Supply Unit: 80 plus bronze 650 Watt 12V Single-Rail DC-to-DC Circuit 120mm Fan 5-Year Limited Warranty
MSI£37.134.6★1,032 rev
Newest
by launch date
be quiet! Pure Power 13 M 750W Power Supply 80 PLUS Gold Certification ATX 3.1 PSU Support For PCIe 5.1 GPUs Semi-Passive 120mm be quiet! Fan LLC Technology Single Rail For Overclocked GPUs
be quiet!£71.799 rev

be quiet! Pure Power 13 M 1000W Power Supply 80 PLUS Gold Certification ATX 3.1 PSU Support For PCIe 5.1 GPUs Semi-Passive 120mm be quiet! Fan LLC Technology Single Rail For Overclocked GPUs
be quiet!£92.5110 rev

be quiet! System Power 11 750W Power Supply ATX 3.1 PSU With Support For PCIe 5.1 GPUs Temperature-Controlled 120mm Quality Fan Strong 12V-rail DC-to-DC Technology 80 PLUS Bronze Efficiency
be quiet!£53.621,180 rev

Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit Flat Cables 3 Year Warranty
Gigabyte£39.6219 rev

CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable ATX 3.1 & PCIe 5.1 Compliant Cybenetics Gold Efficiency 105C-Rated Capacitors Modern Standby Mode Black
Corsair£78.00688 rev
Trending
90-day click momentum
be quiet! Pure Power 13 M 750W Power Supply 80 PLUS Gold Certification ATX 3.1 PSU Support For PCIe 5.1 GPUs Semi-Passive 120mm be quiet! Fan LLC Technology Single Rail For Overclocked GPUs
be quiet!£71.795.0★

be quiet! Pure Power 13 M 1000W Power Supply 80 PLUS Gold Certification ATX 3.1 PSU Support For PCIe 5.1 GPUs Semi-Passive 120mm be quiet! Fan LLC Technology Single Rail For Overclocked GPUs
be quiet!£92.515.0★

be quiet! System Power 11 750W Power Supply ATX 3.1 PSU With Support For PCIe 5.1 GPUs Temperature-Controlled 120mm Quality Fan Strong 12V-rail DC-to-DC Technology 80 PLUS Bronze Efficiency
be quiet!£53.624.6★

CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable ATX 3.1 & PCIe 5.1 Compliant Cybenetics Gold Efficiency 105C-Rated Capacitors Modern Standby Mode Black
Corsair£78.004.6★

MSI MAG A650GL Power Supply Unit 650W 80 Plus Gold multiple generations GPU Support Fully Modular 120mm FDB fan Black Flat Cables 7 Year Warranty
MSI£56.374.4★
What buyers say about power supply
What buyers praise and complain about, mined from review topics.What buyers love
“Awesome quality”
“Good value”
“Easy to setup”
“It just works”
“feels solidly built”
“it seems that it will be durable”
“Everything fit perfectly”
“Gets the job done”
“I can confirm it's quiet”
“It looks sleek”
What buyers complain about
“Its very noisy when on”
“broke on first use”
“Bad quality control - multiple power supply defects”
“Wouldnt boot”
“I still can't hear it”
“Didnt have correct connections”
“it keeps being listed as more expensive”
“loose at the back”
“it's not the same”
“Looked like it had been previously used”
Top return reasons
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.