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850w psu

Skip it

Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Market size 65Growth 20Conversion 41Competition 7Returns 45Price range 95Avg price 84Brand share 6Review moat 84Quality gap 35

Price range

Incredible£48.91–£98.42

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

Review moat

Great310.5

avg incumbent reviews — the moat a new listing must climb

Avg price

Great£75.89

avg listing price — sweet spot $15–$100

Market size

Good£629K

£629K/yr · 251K searches

Returns

Okay3.4%

return rate — above 5% kills the launch gate

Conversion

Okay3.3%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-10.8%

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

Competition

Bad91%

top-5 click share — a locked-up shelf

Brand share

Bad98%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, 850w psu is a £629K/yr Amazon United Kingdom market (251K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 40/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

850w psu market data

Units sold / yr
8K–10K
avg 500–750/product
Revenue / yr
£607K–£759K
units × avg price
Conversion rate
3.3%
Avg BSR
#19
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
2.4%
Avg brand age
43 months
Avg seller age
172 days

Competition & brand share

The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

57

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

0%

  • Corsair63%
  • MSI21%
  • be quiet!7%
  • NZXT3%
  • GAMEMAX3%
  • Gigabyte2%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.8% search growth over the last 90 days.
10K6KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

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

Top 850w psu search terms

  • 850w psu75K/yr
  • psu 850w36K/yr
  • 850w psu gold24K/yr
  • power supply 850w24K/yr
  • 800w psu17K/yr
  • corsair rm850x12K/yr
  • corsair rm850e8K/yr
  • 850w power supply9K/yr
  • rm850e5K/yr
  • rm850x7K/yr
All search terms

Top 850w 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%15%£94K30%£189K45%£283K60%£378K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about 850w psu

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

What buyers love

Quality-Overall26%

“Build quality feels solid”

Assembly/Installation14%

“brilliant very easy to set up”

Value For Money10%

“Great value for money”

Durability7%

“it seems that it will be durable”

Design-Overall6%

“was easy to build”

Advertised Vs Actual Product5%

“Worked as expected”

Functionality-Overall5%

“Perfect modular power supply especially for first time builder really simple”

Size-Overall4%

“Everything fit perfectly”

Strength4%

“overall its a strong”

Noise Cancellation4%

“its completely silent”

What buyers complain about

Noise Level25%

“made a clicking noise the entire time i had it”

Durability18%

“Started to fail after only 4 months”

Advertised Vs Actual Product12%

“Not as described”

Product Condition6%

“even though the product was supposed to be 'brand new'”

Defective Material/Parts6%

“2 different units Dead on arrival”

Audio Quality4%

“the fan is barely audible”

Weight Heavy3%

“The PSU itself is reassuringly heavy”

Instructions/User Manual/Troubleshooting1%

“No instructions,”

Top return reasons

Functionality-Overall23%
Compatibility-Overall15%
Defective Material/Parts15%
Noise Level12%
Size-Overall10%
Connectivity-Overall4%
Socket/Port/Plug4%
Constant Reboot Or Restart4%
Product Condition3%
Value For Money2%

Common questions

Is 850w psu profitable to sell on Amazon United Kingdom?
The niche generates £629K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.8%. Flapen's verdict: Skip it (40/100).
How competitive is the 850w psu niche?
6 brands and 57 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in 850w psu?
Top complaints mined from reviews: Noise Level, Durability, Advertised Vs Actual Product. The return rate is 3.4%.
When does demand for 850w psu peak?
Demand peaks in Nov–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the 850w psu niche?
Listings span £48.91–£98.42; the average listing price is £75.89 (sweet spot $15–$100). The average incumbent carries 311 reviews — the moat a new listing must climb.