Skip to content
36

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

Great492.4

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.1%

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

Returns

Okay4.0%

return rate — above 5% kills the launch gate

Brand share

Okay89%

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

Competition

Bad75%

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

500w psu market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
£48K–£64K
units × avg price
Conversion rate
3.1%
Avg BSR
#97
Page quality
0%
Prime
93%
Sponsored
67%
Out of stock
0.0%
Avg brand age
54 months
Avg seller age
187 days

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 '25SepDecMarJunAugNovMarMay

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

Top 500w psu search terms

  • 500w psu20K/yr
  • 550w psu15K/yr
  • psu 500w5K/yr
  • psu 550w3K/yr
  • 450w psu3K/yr
  • 550w power supply3K/yr
  • 500w power supply3K/yr
  • power supply 500w3K/yr
All 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 moat Market 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.

What buyers say about 500w psu

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

What buyers love

Value For Money22%

“Great Value”

Quality-Overall16%

“Reliable brand”

Advertised Vs Actual Product10%

“Did the job perfectly”

Strength8%

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

Assembly/Installation6%

“Easy to install”

Size-Overall5%

“it fits”

Functionality-Overall5%

“Gets the job done”

Durability4%

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

Compatibility-Overall3%

“are compatible with Linux”

Noise Cancellation3%

“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

Durability24%

“Disappointed the original only lasted 2 years”

Noise Level11%

“Its very noisy when on”

Socket/Port/Plug7%

“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-Overall6%

“Didnt have correct connections”

Quality-Overall5%

“The cables and build quality is certainly not premium”

Functionality-Overall4%

“Wouldnt boot”

Color4%

“All the cables are black also”

Smell4%

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

Length4%

“Cable length is not very long”

Ease Of Cleaning4%

“I stalled as the fans were very dirty”

Top return reasons

Compatibility-Overall21%
Functionality-Overall16%
Size-Overall11%
Defective Material/Parts10%
Length6%
Socket/Port/Plug6%
Connectivity-Overall5%
Constant Reboot Or Restart5%
Noise Level4%
Advertised Vs Actual Product4%

Common questions

Is 500w psu profitable to sell on Amazon United Kingdom?
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).
How competitive is the 500w psu niche?
9 brands and 46 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in 500w psu?
Top complaints mined from reviews: Durability, Noise Level, Socket/Port/Plug. The return rate is 4.0%.
When does demand for 500w psu peak?
Demand peaks in Jan–Nov–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the 500w psu niche?
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.