- Flapen Score
- 44 / 100Top 39% of 1,028 Computers & Accessories niches · +2 vs the category median of 4244
- Market size
- £564K/yr595K searches / yr
- 90-day growth
- -17.9%search demand this quarter
- Competition
- 53%top-5 click share · 7 brands · 146 sellers
Flapen Score
Power Supply against its category
The dotted line is the Computers & Accessories average. Past it, Power Supply is stronger. Inside it, weaker.
Market
The Power Supply market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Power Supply 595K times last year and spent an estimated £564K. The top 5 brands take 96% of clicks. Demand peaks in Jan–Dec. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 1.8% of those searches ended in a purchase.
Shoppers searched for this 595K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 1.8% of those searches ended in a purchase. Searches in the last 90 days moved -17.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £564K a year.
- Searches, last 12 months
- 595K
- Growth, 90 days vs prior 90
- -17.9%
- Conversion, latest week
- 1.8%
- Market size, estimated
- £564Ka year
- Peak month
- January1.9× the quietest month
- Top search term
- psu179K searches a year
02 · Price
A sale here is worth £53.93.
Listings sell for £53.93 on average, from £17.80 to £116.17. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 100 to 250 of them. At £53.93 that is £5K to £13K a year per listing.
- Average price
- £53.93inside the $15 to $100 sweet spot
- Price range
- £17.80–£116.17
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £5K–£13K
- Returns
- 3.9%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
82% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #48 within Components & Replacement Parts. It carries 552 reviews at 4.50 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 82%
- Prime listings
- 96%
- Out of stock, average day
- 0.0%
- Average rank
- #48in Components & Replacement Parts
- Average rating
- 4.50 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 552per listing
- Listings tracked
- 28
04 · Newcomers
3 of last year's 4 launches cleared the first-year sales bar.
4 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 45 months on average, so the names here are settling in.
- Launched, last 12 months
- 4
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 45 months
Products
Top Power Supply 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
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
- Price
- £78.00
- Rating
- 4.6/5
- Reviews
- 688
- Age
- 1y ago

CORSAIR CX650 80 PLUS Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - UK - Black
- Price
- £42.51
- Rating
- 4.7/5
- Reviews
- 1,330
- Age
- 2y ago

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
- Price
- £75.95
- Rating
- 4.6/5
- Reviews
- 916
- Age
- 3y ago

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)
- Price
- £24.71
- Rating
- 4.2/5
- Reviews
- 188
- Age
- 2y ago

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
- Price
- £37.13
- Rating
- 4.6/5
- Reviews
- 1,032
- Age
- 4y ago
Trending
estimated 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
- Price
- £71.79
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 11mo ago

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
- Price
- £92.51
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 11mo ago

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
- Price
- £53.62
- Rating
- 4.6/5
- Reviews
- 1,180
- Age
- 11mo ago

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
- Price
- £78.00
- Rating
- 4.6/5
- Reviews
- 688
- Age
- 1y ago

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
- Price
- £56.37
- Rating
- 4.4/5
- Reviews
- 130
- Age
- 3y ago
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
- Price
- £71.79
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 11mo ago

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
- Price
- £92.51
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 11mo ago

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
- Price
- £53.62
- Rating
- 4.6/5
- Reviews
- 1,180
- Age
- 11mo ago

Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit Flat Cables 3 Year Warranty
- Price
- £39.62
- Rating
- 4.6/5
- Reviews
- 19
- Age
- 1y ago

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
- Price
- £78.00
- Rating
- 4.6/5
- Reviews
- 688
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 53% of clicks. Leaders hold, but buyers still shop past them.
Brands
7 falling
Sellers
146
Est. top-5 brand share
96%
Top 20: 100%
Est. 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
Power Supply search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Dec · busiest ÷ quietest = 1.9×
Search terms
Top Power Supply search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 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
Reviews and returns
What reviews say buyers love and hate about Power Supply
We read the reviews and the return reasons for every product selling here.
“Its very noisy when on”
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.
19 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 Power Supply 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









