---
title: "Power Supply — £564K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/power-supply"
last_updated: "2026-07-31T09:17:16.463Z"
locale: en
meta:
  description: "Niche score 44/100 · £564K/yr market · 595K searches/yr · £53.93 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · £564K/yr market · 595K searches/yr · £53.93 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Power Supply — £564K/yr Amazon UK Niche (2026) - Flapen"
---

# **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**

**Good****551.93**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Good****£564K**

£564K/yr · 595K searches

**Competition**

**Good****53%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.9%**

return rate — above 5% kills the launch gate

**Conversion**

**Bad****1.8%**

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**

**Bad****96%**

top-5 brand share — brand-locked demand

**Signals**[** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")

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 ~~](https://flapen.com/research/methodology)

## **power supply market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**8K–10K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£431K–£539K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#48**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**82%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**45 months**</dd>

<dt>**Avg seller age**</dt><dd>**174 days**</dd>

</dl>

## **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 '26 seasonSepDecMarJunAugNovMarMay

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

[**Open Trend **](https://flapen.com/research/uk/computers-accessories/power-supply/trend)

## **Top power supply search terms**

- **psu**179K/yr-15.1%1.4% conv. - **power supply**128K/yr-13.8%0.9% conv. - **pc power supply**71K/yr-16.9%1.8% conv. - **power supplies**47K/yr-30.9%0.5% conv. - **corsair psu**29K/yr-11.8%2.2% conv. - **modular psu**22K/yr-26.8%1.8% conv. - **atx power supply**19K/yr-26.2%2.1% conv. - **atx psu**16K/yr-21.8%1.7% conv. - **pc psu**14K/yr-29.8%2.2% conv. - **corsair power supply**12K/yr-6.8%2.2% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/power-supply/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 moatMarket 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.

### **Top sellers**

by 90-day click share

[1![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](https://m.media-amazon.com/images/I/41t9l5RZsGL.jpg)**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**£78.00**4.6★688 rev](https://www.amazon.co.uk/dp/B0DMTL43VR) [2![CORSAIR CX650 80 PLUS Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - UK - Black](https://m.media-amazon.com/images/I/31XKd+WrKoL.jpg)**CORSAIR CX650 80 PLUS Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - UK - Black**Corsair**£42.51**4.7★1,330 rev](https://www.amazon.co.uk/dp/B0CJRXX5WT) [3![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](https://m.media-amazon.com/images/I/41p1SvPXBHL.jpg)**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**£75.95**4.6★916 rev](https://www.amazon.co.uk/dp/B0C7LJFVZN) [4![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)](https://m.media-amazon.com/images/I/517ojDT1abL.jpg)**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**£24.71**4.2★188 rev](https://www.amazon.co.uk/dp/B0CZS68JBS) [5![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](https://m.media-amazon.com/images/I/51+eBdRMKBL.jpg)**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**£37.13**4.6★1,032 rev](https://www.amazon.co.uk/dp/B09GW3QZLJ)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/51NcpqwxV1L.jpg)**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!**£71.79**9 rev11mo ago](https://www.amazon.co.uk/dp/B0FNDFTV2K) [![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](https://m.media-amazon.com/images/I/51NcpqwxV1L.jpg)**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!**£92.51**10 rev11mo ago](https://www.amazon.co.uk/dp/B0FNDGQ7CK) [![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](https://m.media-amazon.com/images/I/41gTvCfD-cL.jpg)**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!**£53.62**1,180 rev11mo ago](https://www.amazon.co.uk/dp/B0FNDFHLQX) [![Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit Flat Cables 3 Year Warranty](https://m.media-amazon.com/images/I/41A8qtiy5cL.jpg)**Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit Flat Cables 3 Year Warranty**Gigabyte**£39.62**19 rev1y ago](https://www.amazon.co.uk/dp/B0F24Y886Y) [![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](https://m.media-amazon.com/images/I/41t9l5RZsGL.jpg)**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**£78.00**688 rev1y ago](https://www.amazon.co.uk/dp/B0DMTL43VR)

**~~View all new products →~~**

### **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](https://m.media-amazon.com/images/I/51NcpqwxV1L.jpg)**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!**£71.79**5.0★**▲ 291%**](https://www.amazon.co.uk/dp/B0FNDFTV2K) [![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](https://m.media-amazon.com/images/I/51NcpqwxV1L.jpg)**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!**£92.51**5.0★**▲ 269%**](https://www.amazon.co.uk/dp/B0FNDGQ7CK) [![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](https://m.media-amazon.com/images/I/41gTvCfD-cL.jpg)**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!**£53.62**4.6★**▲ 180%**](https://www.amazon.co.uk/dp/B0FNDFHLQX) [![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](https://m.media-amazon.com/images/I/41t9l5RZsGL.jpg)**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**£78.00**4.6★**▲ 140%**](https://www.amazon.co.uk/dp/B0DMTL43VR) [![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](https://m.media-amazon.com/images/I/41F5G0iQQ0L.jpg)**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**£56.37**4.4★**▲ 90%**](https://www.amazon.co.uk/dp/B0C7LLW9T3)

**~~View all trending →~~**

## **What buyers say about power supply**

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

### **What buyers love **

**Quality-Overall**23%

*“Awesome quality”*

**Value For Money**15%

*“Good value”*

**Assembly/Installation**10%

*“Easy to setup”*

**Advertised Vs Actual Product**8%

*“It just works”*

**Strength**5%

*“feels solidly built”*

**Durability**5%

*“it seems that it will be durable”*

**Size-Overall**4%

*“Everything fit perfectly”*

**Functionality-Overall**4%

*“Gets the job done”*

**Noise Cancellation**4%

*“I can confirm it's quiet”*

**Design-Overall**4%

*“It looks sleek”*

### **What buyers complain about **

**Noise Level**24%

*“Its very noisy when on”*

**Durability**13%

*“broke on first use”*

**Quality-Overall**8%

*“Bad quality control - multiple power supply defects”*

**Functionality-Overall**6%

*“Wouldnt boot”*

**Audio Quality**5%

*“I still can't hear it”*

**Connectivity-Overall**3%

*“Didnt have correct connections”*

**Value For Money**3%

*“it keeps being listed as more expensive”*

**Size-Overall**3%

*“loose at the back”*

**Advertised Vs Actual Product**2%

*“it's not the same”*

**Product Condition**2%

*“Looked like it had been previously used”*

### **Top return reasons **

**Functionality-Overall**20%

**Compatibility-Overall**18%

**Defective Material/Parts**14%

**Noise Level**10%

**Size-Overall**9%

**Connectivity-Overall**4%

**Socket/Port/Plug**4%

**Constant Reboot Or Restart**4%

**Length**3%

**Advertised Vs Actual Product**2%

## **Common questions**

<dl>

<dt>**Is power supply profitable to sell on Amazon United Kingdom?**</dt><dd>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).</dd>

<dt>**How competitive is the power supply niche?**</dt><dd>7 brands and 146 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 96% of demand.</dd>

<dt>**What do buyers complain about in power supply?**</dt><dd>Top complaints mined from reviews: Noise Level, Durability, Quality-Overall. The return rate is 3.9%.</dd>

<dt>**When does demand for power supply peak?**</dt><dd>Demand peaks in Jan–Dec; the busiest month runs 1.9× the quietest.</dd>

<dt>**What does it cost to enter the power supply niche?**</dt><dd>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.</dd>

</dl>

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