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45

800w power supply

Skip it

Prices mostly outside the sweet spot ($52.46–$650.21) — this niche doesn't clear our bar today.

Market size 68Growth 24Conversion 24Competition 77Returns 33Price range 8Avg price 59Brand share 41Review moat 71Quality gap 27

Competition

Great38%

top-5 click share — an open shelf

Review moat

Good657.05

avg incumbent reviews — the moat a new listing must climb

Market size

Good$694K

$694K/yr · 243K searches

Avg price

Good$148.08

avg listing price — sweet spot $15–$100

Brand share

Okay80%

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

Returns

Okay4.4%

return rate — above 5% kills the launch gate

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-1.5%

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

Conversion

Bad1.9%

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

Price range

Bad$52.46–$650.21

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

According to Flapen's Amazon United States niche tracking, 800w power supply is a $694K/yr Amazon United States market (243K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 45/100.

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

800w power supply market data

Units sold / yr
4K–5K
avg 100–250/product
Revenue / yr
$592K–$740K
units × avg price
Conversion rate
1.9%
Avg BSR
#60
Page quality
0%
Prime
100%
Sponsored
51%
Out of stock
0.0%
Avg brand age
41 months
Avg seller age
175 days

Competition & brand share

Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.

Brands

15 rising

Sellers

120

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

38%

Top 20: 82%

Open market

16%

  • Seasonic51%
  • msi12%
  • Thermaltake7%
  • Corsair7%
  • Apevia4%
  • be quiet!3%
  • Open — no brand owns it (9 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -1.5% search growth over the last 90 days.
9K7KSpike '24Holiday '24Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 1.8×

Top 800w power supply search terms

  • seasonic power supply55K/yr
  • 800w psu45K/yr
  • 800w power supply27K/yr
  • seasonic30K/yr
  • seasonic 850w15K/yr
  • 800 watt power supply15K/yr
  • seasonic psu16K/yr
  • seasonic focus gx-85011K/yr
  • power supply 800w7K/yr
  • seasonic focus5K/yr
All search terms

Top 800w 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%3%$21K6%$42K9%$62K12%$83K101001K10K Reviews — right = deep review moat Market 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.

What buyers say about 800w power supply

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

What buyers love

Quality-Overall23%

“Amazing quality”

Value For Money16%

“Excellent Value”

Assembly/Installation8%

“No problems installing”

Advertised Vs Actual Product5%

“As advertised”

Design-Overall4%

“has a nice subtle look”

Compatibility-Overall4%

“compatible with most cases”

Strength4%

“Solid unit”

Durability3%

“feel really durable”

Noise Cancellation3%

“makes no noise”

Socket/Port/Plug3%

“The connectors are easy to manage”

What buyers complain about

Durability23%

“Almost broken”

Functionality-Overall12%

“Did not work”

Noise Level12%

“noisy”

Quality-Overall10%

“Not good quality”

Product Condition4%

“received a very obviously used product”

Value For Money3%

“Waste of money”

Socket/Port/Plug3%

“The mobo power connector was a little difficult to work with”

Advertised Vs Actual Product2%

“A bit misleading”

Smell2%

“However, when I opened the box there was a noticeable burnt electronic smell”

Assembly/Installation2%

“It really sucked having to reinstall everything”

Top return reasons

Functionality-Overall16%
Defective Material/Parts14%
Size-Overall14%
Compatibility-Overall14%
Value For Money8%
Noise Level6%
Advertised Vs Actual Product5%
Product Condition4%
Socket/Port/Plug3%
Connectivity-Overall3%

Common questions

Is 800w power supply profitable to sell on Amazon United States?
The niche generates $694K/yr across 37 tracked products. 6 of 7 products launched in the last 360 days are still selling. 90-day search growth is -1.5%. Flapen's verdict: Skip it (45/100).
How competitive is the 800w power supply niche?
15 brands and 120 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in 800w power supply?
Top complaints mined from reviews: Durability, Functionality-Overall, Noise Level. The return rate is 4.4%.
When does demand for 800w power supply peak?
Demand peaks in Jan–Dec; the busiest month runs 1.8× the quietest.
What does it cost to enter the 800w power supply niche?
Listings span $52.46–$650.21; the average listing price is $148.08 (sweet spot $15–$100). The average incumbent carries 657 reviews — the moat a new listing must climb.