---
title: "500w Psu — £54K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/500w-psu"
last_updated: "2026-07-31T09:17:42.842Z"
locale: en
meta:
  description: "Niche score 36/100 · £54K/yr market · 55K searches/yr · £32.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 36/100 · £54K/yr market · 55K searches/yr · £32.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "500w Psu — £54K/yr Amazon UK Niche (2026) - Flapen"
---

# **500w psu**

**Skip it**

A small market ($54K/yr) — this niche doesn't clear our bar today.

Market size 13Growth 13Conversion 38Competition 21Returns 38Price range 95Avg price 95Brand share 27Review moat 75Quality gap 52

**Avg price**

**Incredible****£32.04**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****£17.80–£62.77**

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

**Review moat**

**Great****492.4**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****3.1%**

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

**Returns**

**Okay****4.0%**

return rate — above 5% kills the launch gate

**Brand share**

**Okay****89%**

top-5 brand share — brands hold most of the demand

**Competition**

**Bad****75%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****£54K**

£54K/yr · 55K searches

**Growth**

**Bad****-24.2%**

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

According to Flapen's Amazon United Kingdom niche tracking, 500w psu is a £54K/yr Amazon United Kingdom market (55K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 36/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **500w psu market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£48K–£64K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#97**</dd>

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

<dt>**Prime**</dt><dd>**93%**</dd>

<dt>**Sponsored**</dt><dd>**67%**</dd>

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

<dt>**Avg brand age**</dt><dd>**54 months**</dd>

<dt>**Avg seller age**</dt><dd>**187 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**9 **▲rising

**Sellers**

**46**

**Top-5 brand share**

**89%**

Top 20: 100%

**Top-5 click share**

**75%**

Top 20: 100%

**Open market**

**8%**

- MSI36% - JUSTOP21% - Corsair19% - be quiet!9% - GAMEMAX4% - Tecnoware Power Systems3% - Open — no brand owns it (3 brands, 8%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -24.2% search growth over the last 90 days.

2K1KSpike '24Holiday '24Spike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay

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

[**Open Trend **](https://flapen.com/research/uk/computers-accessories/500w-psu/trend)

## **Top 500w psu search terms**

- **500w psu**20K/yr-23.8%2.9% conv. - **550w psu**15K/yr-16.6%2.8% conv. - **psu 500w**5K/yr-28.4%3.7% conv. - **psu 550w**3K/yr-21.8%3.5% conv. - **450w psu**3K/yr-29.6%2.9% conv. - **550w power supply**3K/yr-16.9%3.0% conv. - **500w power supply**3K/yr-31.7%2.4% conv. - **power supply 500w**3K/yr-47.5%1.2% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/500w-psu/search-terms)

## **Top 500w psu 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%10%£5K20%£11K30%£16K40%£21K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![MSI MAG A550BN UK PSU 550W 80 Plus Bronze certified 12V Single-Rail DC-to-DC Circuit 120mm Fan Non-Modular Sleeved Cables ATX Power Supply Unit UK Powercord Black](https://m.media-amazon.com/images/I/51xayCyzXUL.jpg)**MSI MAG A550BN UK PSU 550W 80 Plus Bronze certified 12V Single-Rail DC-to-DC Circuit 120mm Fan Non-Modular Sleeved Cables ATX Power Supply Unit UK Powercord Black**MSI**£33.01**4.6★494 rev](https://www.amazon.co.uk/dp/B09GW4S27Q) [2![CORSAIR CX550 80 PLUS Bronze Non Modular Low-Noise ATX 550 Watt Power Supply - UK - Black](https://m.media-amazon.com/images/I/31cWgDlncmL.jpg)**CORSAIR CX550 80 PLUS Bronze Non Modular Low-Noise ATX 550 Watt Power Supply - UK - Black**Corsair**£38.45**4.7★1,330 rev](https://www.amazon.co.uk/dp/B0CJRVGGPS) [3![JUSTOP Black ATX 500W PSU Switching Power Supply Computer Desktop PC 120mm Fan 4+4-Pin 12V 6x SATA](https://m.media-amazon.com/images/I/41M6ENfkH4L.jpg)**JUSTOP Black ATX 500W PSU Switching Power Supply Computer Desktop PC 120mm Fan 4+4-Pin 12V 6x SATA**JUSTOP**£17.80**4.2★34 rev](https://www.amazon.co.uk/dp/B0D1KMR6ZS) [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![be quiet! System Power 11 550W 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 550W 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!**£40.74**5.0★1 rev](https://www.amazon.co.uk/dp/B0FNDGC3CX)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![be quiet! System Power 11 550W 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 550W 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!**£40.74**1 rev11mo ago](https://www.amazon.co.uk/dp/B0FNDGC3CX) [![be quiet! System Power 11 450W 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 450W 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!**£35.48**3 rev11mo ago](https://www.amazon.co.uk/dp/B0FNDFZYWL) [![be quiet! Pure Power 13 M 550W 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/41WVogQwQLL.jpg)**be quiet! Pure Power 13 M 550W 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!**£62.77**4 rev11mo ago](https://www.amazon.co.uk/dp/B0FNDBZMWB) [![GIGABYTE P550SS Power Supply - PCIe 5.0 80 PLUS Silver 120mm Fan ATX 3.0 compatible UK Plug](https://m.media-amazon.com/images/I/31HAW-jcfOL.jpg)**GIGABYTE P550SS Power Supply - PCIe 5.0 80 PLUS Silver 120mm Fan ATX 3.0 compatible UK Plug**Gigabyte**£25.84**16 rev1y ago](https://www.amazon.co.uk/dp/B0DXG5YWLV) [![CiT ATV Eco 500W PSU Power Supply Unit with Active PFC - Single +12V Rail - 120mm Low-Noise Fan - Full Circuit Protection - Flat Black Cables - 80 Plus Bronze Certified | Black](https://m.media-amazon.com/images/I/31AayLbS1sL.jpg)**CiT ATV Eco 500W PSU Power Supply Unit with Active PFC - Single +12V Rail - 120mm Low-Noise Fan - Full Circuit Protection - Flat Black Cables - 80 Plus Bronze Certified | Black**CiT**£28.43**31 rev2y ago](https://www.amazon.co.uk/dp/B0D5RK3MN2)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![GIGABYTE P550SS Power Supply - PCIe 5.0 80 PLUS Silver 120mm Fan ATX 3.0 compatible UK Plug](https://m.media-amazon.com/images/I/31HAW-jcfOL.jpg)**GIGABYTE P550SS Power Supply - PCIe 5.0 80 PLUS Silver 120mm Fan ATX 3.0 compatible UK Plug**Gigabyte**£25.84**4.4★**▲ 361%**](https://www.amazon.co.uk/dp/B0DXG5YWLV) [![be quiet! System Power 11 550W 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 550W 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!**£40.74**5.0★**▲ 198%**](https://www.amazon.co.uk/dp/B0FNDGC3CX) [![be quiet! Pure Power 13 M 550W 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/41WVogQwQLL.jpg)**be quiet! Pure Power 13 M 550W 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!**£62.77**5.0★**▲ 180%**](https://www.amazon.co.uk/dp/B0FNDBZMWB) [![be quiet! System Power 11 450W 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 450W 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!**£35.48**3.7★**▲ 151%**](https://www.amazon.co.uk/dp/B0FNDFZYWL) [![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★**▲ 132%**](https://www.amazon.co.uk/dp/B0CJRXX5WT)

**~~View all trending →~~**

## **What buyers say about 500w psu**

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

### **What buyers love **

**Value For Money**22%

*“Great Value”*

**Quality-Overall**16%

*“Reliable brand”*

**Advertised Vs Actual Product**10%

*“Did the job perfectly”*

**Strength**8%

*“honestly it's made his pc so much powerful”*

**Assembly/Installation**6%

*“Easy to install”*

**Size-Overall**5%

*“it fits”*

**Functionality-Overall**5%

*“Gets the job done”*

**Durability**4%

*“but it hasn't failed on me in 5 months”*

**Compatibility-Overall**3%

*“are compatible with Linux”*

**Noise Cancellation**3%

*“Quiet and works efficiently, I replaced the power supply on my computer because I did a graphic card upgrade and this one did the job very well”*

### **What buyers complain about **

**Durability**24%

*“Disappointed the original only lasted 2 years”*

**Noise Level**11%

*“Its very noisy when on”*

**Socket/Port/Plug**7%

*“Good PSU, only thing you need to note is that this does not come with a 4pin ATX plug that some motherboards require and you will have to purchase a Molex to 4pin ATX adapter”*

**Connectivity-Overall**6%

*“Didnt have correct connections”*

**Quality-Overall**5%

*“The cables and build quality is certainly not premium”*

**Functionality-Overall**4%

*“Wouldnt boot”*

**Color**4%

*“All the cables are black also”*

**Smell**4%

*“Its started to smell of burning only been used 3 months”*

**Length**4%

*“Cable length is not very long”*

**Ease Of Cleaning**4%

*“I stalled as the fans were very dirty”*

### **Top return reasons **

**Compatibility-Overall**21%

**Functionality-Overall**16%

**Size-Overall**11%

**Defective Material/Parts**10%

**Length**6%

**Socket/Port/Plug**6%

**Connectivity-Overall**5%

**Constant Reboot Or Restart**5%

**Noise Level**4%

**Advertised Vs Actual Product**4%

## **Common questions**

<dl>

<dt>**Is 500w psu profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £54K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -24.2%. Flapen's verdict: Skip it (36/100).</dd>

<dt>**How competitive is the 500w psu niche?**</dt><dd>9 brands and 46 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 89% of demand.</dd>

<dt>**What do buyers complain about in 500w psu?**</dt><dd>Top complaints mined from reviews: Durability, Noise Level, Socket/Port/Plug. The return rate is 4.0%.</dd>

<dt>**When does demand for 500w psu peak?**</dt><dd>Demand peaks in Jan–Nov–Dec; the busiest month runs 1.9× the quietest.</dd>

<dt>**What does it cost to enter the 500w psu niche?**</dt><dd>Listings span £17.80–£62.77; the average listing price is £32.04 (sweet spot $15–$100). The average incumbent carries 492 reviews — the moat a new listing must climb.</dd>

</dl>

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