---
title: "Sfx Psu — £99K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/sfx-psu"
last_updated: "2026-07-31T12:34:56.677Z"
locale: en
meta:
  description: "Niche score 44/100 · £99K/yr market · 79K searches/yr · £76.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · £99K/yr market · 79K searches/yr · £76.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Sfx Psu — £99K/yr Amazon UK Niche (2026) - Flapen"
---

# **sfx psu**

**Skip it**

Weak search conversion (1.7%) — this niche doesn't clear our bar today.

Market size 25Growth 24Conversion 21Competition 51Returns 28Price range 67Avg price 84Brand share 35Review moat 93Quality gap 84

**Review moat**

**Great****133.07**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Great****£76.04**

avg listing price — sweet spot $15–$100

**Price range**

**Good****£19.92–£139.56**

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

**Competition**

**Good****54%**

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

**Brand share**

**Okay****84%**

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

**Returns**

**Okay****4.8%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****£99K**

£99K/yr · 79K searches

**Growth**

**Bad****-1.2%**

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

**Conversion**

**Bad****1.7%**

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

**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, sfx psu is a £99K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 44/100.

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

## **sfx psu market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**500–750**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£38K–£57K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#323**</dd>

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

<dt>**Prime**</dt><dd>**89%**</dd>

<dt>**Sponsored**</dt><dd>**56%**</dd>

<dt>**Out of stock**</dt><dd>**5.2%**</dd>

<dt>**Avg brand age**</dt><dd>**40 months**</dd>

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

</dl>

## **Competition & brand share**

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**12 **▼falling

**Sellers**

**90**

**Top-5 brand share**

**84%**

Top 20: 100%

**Top-5 click share**

**54%**

Top 20: 94%

**Open market**

**13%**

- Corsair40% - be quiet!27% - Cooler Master7% - NZXT7% - Vetroo3% - ASUS3% - Open — no brand owns it (6 brands, 13%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -1.2% search growth over the last 90 days.

3K2KSpike '24Black Friday '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

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

## **Top sfx psu search terms**

- **sfx psu**52K/yr+7.1%1.0% conv. - **sfx power supply**18K/yr-20.3%0.8% conv. - **sff psu**5K/yr-13.2%1.0% conv. - **itx psu**3K/yr+10.0%0.0% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/sfx-psu/search-terms)

## **Top sfx 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%5%£5K10%£10K15%£15K20%£20K1101001K 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 SF750 (2024) Fully Modular SFX Low Noise 80 Plus Platinum Power Supply ATX 3.1 Compliant PCIe 5.1 Ready Small Form Factor SFX-to-ATX Bracket Included Black](https://m.media-amazon.com/images/I/4110nmGSsHL.jpg)**CORSAIR SF750 (2024) Fully Modular SFX Low Noise 80 Plus Platinum Power Supply ATX 3.1 Compliant PCIe 5.1 Ready Small Form Factor SFX-to-ATX Bracket Included Black**Corsair**£106.71**4.4★83 rev](https://www.amazon.co.uk/dp/B0D5HTTCSB) [2![CORSAIR SF850 (2024) Fully Modular Low Noise 80 PLUS Platinum ATX Power Supply ATX 3.1 Compliant PCIe 5.1 Ready SFX-to-ATX Bracket Included Black](https://m.media-amazon.com/images/I/41BFlpgPKiL.jpg)**CORSAIR SF850 (2024) Fully Modular Low Noise 80 PLUS Platinum ATX Power Supply ATX 3.1 Compliant PCIe 5.1 Ready SFX-to-ATX Bracket Included Black**Corsair**£118.14**4.5★55 rev](https://www.amazon.co.uk/dp/B0D5HVRVQX) [3![be quiet! SFX Power 3 450W PSU Compact & Silent SFX Power Supply for Mini & Media PCs 80 PLUS Bronze Efficiency Dual PCIe 6+2 Pin Quiet 80mm Fan](https://m.media-amazon.com/images/I/31S1YgAiIPL.jpg)**be quiet! SFX Power 3 450W PSU Compact & Silent SFX Power Supply for Mini & Media PCs 80 PLUS Bronze Efficiency Dual PCIe 6+2 Pin Quiet 80mm Fan**be quiet!**£51.62**4.2★3 rev](https://www.amazon.co.uk/dp/B0FZCMQNVV) [4![CORSAIR SF1000 (2024) Fully Modular SFX Low Noise 80 Plus Platinum Power Supply ATX 3.1 Compliant PCIe 5.1 Ready Small Form Factor SFX-to-ATX Bracket Included Black](https://m.media-amazon.com/images/I/41iopIT-rJL.jpg)**CORSAIR SF1000 (2024) Fully Modular SFX Low Noise 80 Plus Platinum Power Supply ATX 3.1 Compliant PCIe 5.1 Ready Small Form Factor SFX-to-ATX Bracket Included Black**Corsair**£139.56**4.7★40 rev](https://www.amazon.co.uk/dp/B0D5HT2L96) [5![Cooler Master V850 SFX Gold UK Plug - 850W 80 PLUS Gold Fully Modular Power Supply Unit SFF/mini-ITX PSU Semi-Fanless Mode SFX-to-ATX Bracket 10 Year Warranty Black Edition Quiet 92 mm FDB Fan](https://m.media-amazon.com/images/I/51B+I52GTWL.jpg)**Cooler Master V850 SFX Gold UK Plug - 850W 80 PLUS Gold Fully Modular Power Supply Unit SFF/mini-ITX PSU Semi-Fanless Mode SFX-to-ATX Bracket 10 Year Warranty Black Edition Quiet 92 mm FDB Fan**Cooler Master**£113.31**4.5★177 rev](https://www.amazon.co.uk/dp/B08DD99VPM)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![NZXT C850 SFX Gold - 850W SFX ATX 3.1 Power Supply - 80 Plus Gold - Cybenetics Platinum - Fully Modular - PCIe 5.1 600W 12V-2x6 - Japanese Capacitors - Black](https://m.media-amazon.com/images/I/41qErrG83hL.jpg)**NZXT C850 SFX Gold - 850W SFX ATX 3.1 Power Supply - 80 Plus Gold - Cybenetics Platinum - Fully Modular - PCIe 5.1 600W 12V-2x6 - Japanese Capacitors - Black**NZXT**£105.44**2 rev5mo ago](https://www.amazon.co.uk/dp/B0GJBJ1ZWJ) [![Vetroo 850W SFX Power Supply ATX 3.1 & PCIE 5.1 Ready 80 Plus Gold Certificate Fully Modular 90mm FDB Fan for Low-Noise Operation SFX-to-ATX Bracket 10-Year Warranty - Black](https://m.media-amazon.com/images/I/41h-Yr7RxOL.jpg)**Vetroo 850W SFX Power Supply ATX 3.1 & PCIE 5.1 Ready 80 Plus Gold Certificate Fully Modular 90mm FDB Fan for Low-Noise Operation SFX-to-ATX Bracket 10-Year Warranty - Black**Vetroo**£87.79**46 rev5mo ago](https://www.amazon.co.uk/dp/B0F43RWFL2) [![1ST PLAYER 850W SFX PSU Fully Modular Power Supply 80 PLUS Gold Certified ATX 3.1 / PCI-E 5.1 Low Noise FDB Fan 0RPM Japanese Electrolyte Capacitor (White)](https://m.media-amazon.com/images/I/41jC5sTBSDL.jpg)**1ST PLAYER 850W SFX PSU Fully Modular Power Supply 80 PLUS Gold Certified ATX 3.1 / PCI-E 5.1 Low Noise FDB Fan 0RPM Japanese Electrolyte Capacitor (White)**1ST PLAYER**£68.63**2 rev7mo ago](https://www.amazon.co.uk/dp/B0G48Z21VJ) [![1ST PLAYER 850W SFX PSU Fully Modular Power Supply 80 PLUS Gold Certified ATX 3.1 / PCI-E 5.1 Low Noise FDB Fan 0RPM Japanese Electrolyte Capacitor (Black)](https://m.media-amazon.com/images/I/41m5L09jQbL.jpg)**1ST PLAYER 850W SFX PSU Fully Modular Power Supply 80 PLUS Gold Certified ATX 3.1 / PCI-E 5.1 Low Noise FDB Fan 0RPM Japanese Electrolyte Capacitor (Black)**1ST PLAYER**£78.45**2 rev7mo ago](https://www.amazon.co.uk/dp/B0G48YVG77) [![be quiet! SFX Power 3 450W PSU Compact & Silent SFX Power Supply for Mini & Media PCs 80 PLUS Bronze Efficiency Dual PCIe 6+2 Pin Quiet 80mm Fan](https://m.media-amazon.com/images/I/31S1YgAiIPL.jpg)**be quiet! SFX Power 3 450W PSU Compact & Silent SFX Power Supply for Mini & Media PCs 80 PLUS Bronze Efficiency Dual PCIe 6+2 Pin Quiet 80mm Fan**be quiet!**£51.62**3 rev8mo ago](https://www.amazon.co.uk/dp/B0FZCMQNVV)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![be quiet! Pure Power 13 M 650W 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/418l1crumuL.jpg)**be quiet! Pure Power 13 M 650W 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!**£66.83**4.0★**▲ 211%**](https://www.amazon.co.uk/dp/B0FNDFTY84) [![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★**▲ 209%**](https://www.amazon.co.uk/dp/B0FNDFTV2K) [![be quiet! Power Zone 850W Power Supply 80 PLUS Platinum And Cybenetics Platinum Semi-Passive Zero-RPM Cooling Pure Wings 3 140mm Fan 90 Angled 12V-2x6 Connector PCIe 5.1/ATX 3.1 Compatibility](https://m.media-amazon.com/images/I/51j85ZrRqDL.jpg)**be quiet! Power Zone 850W Power Supply 80 PLUS Platinum And Cybenetics Platinum Semi-Passive Zero-RPM Cooling Pure Wings 3 140mm Fan 90 Angled 12V-2x6 Connector PCIe 5.1/ATX 3.1 Compatibility**be quiet!**£90.70**4.6★**▲ 208%**](https://www.amazon.co.uk/dp/B0FNDG95HF) [![1ST PLAYER 850W SFX PSU Fully Modular Power Supply 80 PLUS Gold Certified ATX 3.1 / PCI-E 5.1 Low Noise FDB Fan 0RPM Japanese Electrolyte Capacitor (White)](https://m.media-amazon.com/images/I/41jC5sTBSDL.jpg)**1ST PLAYER 850W SFX PSU Fully Modular Power Supply 80 PLUS Gold Certified ATX 3.1 / PCI-E 5.1 Low Noise FDB Fan 0RPM Japanese Electrolyte Capacitor (White)**1ST PLAYER**£68.63**3.5★**▲ 206%**](https://www.amazon.co.uk/dp/B0G48Z21VJ) [![NZXT C850 SFX Gold - 850W SFX ATX 3.1 Power Supply - 80 Plus Gold - Cybenetics Platinum - Fully Modular - PCIe 5.1 600W 12V-2x6 - Japanese Capacitors - Black](https://m.media-amazon.com/images/I/41qErrG83hL.jpg)**NZXT C850 SFX Gold - 850W SFX ATX 3.1 Power Supply - 80 Plus Gold - Cybenetics Platinum - Fully Modular - PCIe 5.1 600W 12V-2x6 - Japanese Capacitors - Black**NZXT**£105.44**3.0★**▲ 182%**](https://www.amazon.co.uk/dp/B0GJBJ1ZWJ)

**~~View all trending →~~**

## **What buyers say about sfx psu**

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

### **What buyers love **

**Quality-Overall**20%

*“Quality power supply”*

**Value For Money**15%

*“Great value”*

**Noise Cancellation**11%

*“So far, it is performing well, there is no notable increase in noise compared to the more expensive unit”*

**Strength**9%

*“Gives very good power”*

**Design-Overall**6%

*“in my opinion it is necessary for a clean build so I highly recommend buying one in general”*

**Advertised Vs Actual Product**5%

*“As described”*

**Assembly/Installation**5%

*“easy to install”*

**Size-Overall**4%

*“Fits perfectly in my pc caes”*

**Durability**4%

*“Compact and reliable so far”*

**Functionality-Overall**4%

*“works”*

### **What buyers complain about **

**Noise Level**11%

*“Bought one, made a terrible crackling sound”*

**Socket/Port/Plug**11%

*“Major issue with this new version of the SFX series of PSU's is the Micro Type 5 connectors on the PSU side”*

**Length**7%

*“cable quality/length is bang on”*

**Size-Overall**7%

*“loose at the back”*

**Connectivity-Overall**7%

*“Didnt have correct connections”*

**Value For Money**7%

*“it keeps being listed as more expensive”*

**Audio Quality**7%

*“its barely audible”*

**Compatibility-Overall**5%

*“Not compatible with all motherboards”*

**Advertised Vs Actual Product**5%

*“Be aware, the photos don't match the product”*

**Functionality-Overall**5%

*“Useless for graphics cards”*

### **Top return reasons **

**Compatibility-Overall**22%

**Size-Overall**14%

**Length**12%

**Functionality-Overall**11%

**Defective Material/Parts**11%

**Noise Level**8%

**Value For Money**3%

**Connectivity-Overall**3%

**Constant Reboot Or Restart**3%

**Socket/Port/Plug**3%

## **Common questions**

<dl>

<dt>**Is sfx psu profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £99K/yr across 27 tracked products. 7 of 13 products launched in the last 360 days are still selling. 90-day search growth is -1.2%. Flapen's verdict: Skip it (44/100).</dd>

<dt>**How competitive is the sfx psu niche?**</dt><dd>12 brands and 90 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 84% of demand.</dd>

<dt>**What do buyers complain about in sfx psu?**</dt><dd>Top complaints mined from reviews: Noise Level, Socket/Port/Plug, Length. The return rate is 4.8%.</dd>

<dt>**When does demand for sfx psu peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the sfx psu niche?**</dt><dd>Listings span £19.92–£139.56; the average listing price is £76.04 (sweet spot $15–$100). The average incumbent carries 133 reviews — the moat a new listing must climb.</dd>

</dl>

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