Is 850 watt power supply profitable to sell on Amazon United States?

The niche generates $2.7M/yr across 18 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is +4.3%. Flapen's verdict: Skip it (47/100).

How competitive is the 850 watt power supply niche?

11 brands and 101 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in 850 watt power supply?

Top complaints mined from reviews: Durability, Noise Level, Quality-Overall. The return rate is 4.4%.

When does demand for 850 watt power supply peak?

Demand peaks in Dec; the busiest month runs 1.9× the quietest.

What does it cost to enter the 850 watt power supply niche?

Listings span $66.63–$126.54; the average listing price is $95.08 (sweet spot $15–$100). The average incumbent carries 1,178 reviews — the moat a new listing must climb.

850 watt power supply

Skip it

Strong incumbent ratings (4.6★) — this niche doesn't clear our bar today.

Market size

Incredible$2.7M

$2.7M/yr · 1.2M searches

Avg price

Great$95.08

avg listing price — sweet spot $15–$100

Review moat

Good1,177.72

avg incumbent reviews — the moat a new listing must climb

Price range

Good$66.63–$126.54

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

Brand share

Okay80%

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

Competition

Okay61%

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

Returns

Okay4.4%

return rate — above 5% kills the launch gate

Growth

Okay+4.3%

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

Conversion

Okay2.3%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Signals High Price

According to Flapen's Amazon United States niche tracking, 850 watt power supply is a $2.7M/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Dec. Verdict: Skip it — 47/100.

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

850 watt power supply market data

Units sold / yr: 30K–40K; avg 750–1,000/product
Revenue / yr: $2.9M–$3.8M; units × avg price
Conversion rate: 2.3%
Avg BSR: #65
Page quality: 0%
Prime: 100%
Sponsored: 89%
Out of stock: 2.0%
Avg brand age: 47 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 flat

Sellers

101

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

61%

Top 20: 100%

Open market

15%

Corsair36%
msi23%
Thermaltake9%
Montech6%
Auotac5%
be quiet!5%
Open — no brand owns it (5 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.3% search growth over the last 90 days.

Peak months: Dec · busiest ÷ quietest = 1.9×

Open Trend

Top 850 watt power supply search terms

850w psu280K/yr +4.5%2.4% conv.
power supply 850w167K/yr -0.2%1.7% conv.
850 watt power supply115K/yr -2.6%2.0% conv.
psu 850w114K/yr +0.8%2.1% conv.
fuente de poder 850w107K/yr -12.6%0.5% conv.
corsair rm850x59K/yr +25.8%4.7% conv.
850w power supply54K/yr -1.3%2.8% conv.
corsair rm850e39K/yr +27.1%4.2% conv.
850 watt power supply 80 plus gold25K/yr +6.9%0.5% conv.
power supply 850w gold28K/yr +6.0%0.4% conv.

All search terms

Top 850 watt 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.

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

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CORSAIR RM850x ATX 3.1 PCIe 5.1 Ready Fully Modular 850W Power Supply Low-Noise Cybenetics Gold Efficiency Native 12V-2x6 Connector Black

Corsair$126.544.7★121 rev

CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable ATX 3.1 & PCIe 5.1 Compliant Cybenetics Gold Efficiency 105C-Rated Capacitors Modern Standby Mode Black

Corsair$112.954.7★839 rev

MSI MAG A850GL PCIE5 Fully Modular Compact Gaming 850W Power Supply 80+ Gold ATX 3.1 & PCIe 5.1 Ready Native Dual-Color 12V-2x6 Cable 10 Year Warranty

msi$112.074.5★5,841 rev

Thermaltake Toughpower GT 850W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 450W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-3; 5 Year Warranty

Thermaltake$82.504.5★423 rev

MSI MPG A850GS PCIE5 Fully Modular Gaming 850W Power Supply 80+ Gold Dual 12V-2x6 Cables Server-Grade Capacitor ATX 3.1 & PCIe 5.1 Ready Low-Noise Semi Digital 10 Year Warranty

msi$92.254.6★172 rev

Newest

by launch date

CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable ATX 3.1 & PCIe 5.1 Compliant Cybenetics Gold Efficiency 105C-Rated Capacitors Modern Standby Mode Black

Corsair$112.95839 rev

4mo ago

SKYLZOR$74.976 rev

5mo ago

NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - 80 Plus Gold - Cybenetics Platinum - Fully Modular - PCIe 5.1 600W 12V-2x6 - Zero RPM Fan - 105C Capacitors - Black

NZXT$103.45109 rev

9mo ago

ASRock PRO 850G Power Supply - 850W 80 Plus Gold Certified ATX 3.1 & PCIe 5.1 Ready Native 12V-2x6 Connector 120mm Low-Noise Fan 3-Year Warranty

ASRock$66.6339 rev

9mo ago

CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply ATX 3.1 Compliant PCIe 5.1 Support Cybenetics Gold Efficiency Native 12V-2x6 Connector Black (Renewed)

Corsair$90.5610 rev

10mo ago

What buyers say about 850 watt power supply

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

What buyers love

Quality-Overall21%

“Solid build quality”

Value For Money18%

“Worth the price”

Assembly/Installation9%

“No problems installing”

Advertised Vs Actual Product7%

“As advertised”

Design-Overall5%

“Very well built”

Size-Overall4%

“Perfect size”

Socket/Port/Plug3%

“One thing I liked is that it comes with enough cables”

Compatibility-Overall3%

“compatible with most cases”

Noise Cancellation3%

“makes no noise”

Durability3%

“has been reliable for over 6 months”

What buyers complain about

Durability23%

“Poor durability”

Noise Level15%

“noisy”

Quality-Overall12%

“Not good quality”

Functionality-Overall12%

“No power doesn't work at all”

Product Condition3%

“I expect to receive a product as brand new”

Value For Money3%

“The Corsair was a little more expensive at $130”

Advertised Vs Actual Product3%

“I found the product didnt match the description at all”

Smell2%

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

Socket/Port/Plug2%

“The motherboard connector that goes into the power supply tripped me up a bit”

Assembly/Installation2%

“After hours of installing my new Pc parts it did not turn on”

Top return reasons

Functionality-Overall17%

Defective Material/Parts14%

Size-Overall14%

Compatibility-Overall14%

Value For Money8%

Noise Level7%

Advertised Vs Actual Product5%

Product Condition4%