Is 500w power supply profitable to sell on Amazon United States?

The niche generates $233K/yr across 7 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -15.2%. Flapen's verdict: Skip it (35/100).

How competitive is the 500w power supply niche?

4 brands and 33 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 500w power supply?

Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 5.4% — above our launch gate.

When does demand for 500w power supply peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the 500w power supply niche?

Listings span $27.60–$42.82; the average listing price is $34.58 (sweet spot $15–$100). The average incumbent carries 2,867 reviews — the moat a new listing must climb.

500w power supply

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Avg price

Incredible$34.58

avg listing price — sweet spot $15–$100

Price range

Incredible$27.60–$42.82

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Market size

Okay$233K

$233K/yr · 207K searches

Conversion

Okay3.3%

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

Review moat

Okay2,866.71

avg incumbent reviews — the moat a new listing must climb

Returns

Bad5.4%

return rate — above 5% kills the launch gate

Growth

Bad-15.2%

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

Competition

Bad95%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Returns

According to Flapen's Amazon United States niche tracking, 500w power supply is a $233K/yr Amazon United States market (207K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 35/100.

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

500w power supply market data

Units sold / yr: 8K–10K; avg 1,000–1,250/product
Revenue / yr: $277K–$346K; units × avg price
Conversion rate: 3.3%
Avg BSR: #89
Page quality: 0%
Prime: 100%
Sponsored: 43%
Out of stock: 0.0%
Avg brand age: 43 months
Avg seller age: 183 days

Competition & brand share

The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

95%

Top 20: 100%

Open market

Thermaltake47%
ARESGAME31%
Apevia19%
Rosewill2%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -15.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top 500w power supply search terms

500w power supply50K/yr -23.9%4.3% conv.
500w psu33K/yr +6.6%2.3% conv.
500 watt power supply29K/yr -17.9%2.2% conv.
psu 500w17K/yr -20.0%1.9% conv.
power supply 500w15K/yr -12.3%2.9% conv.
fuente de poder 500w9K/yr -20.4%0.7% conv.
400w psu6K/yr -3.2%0.6% conv.
450w power supply10K/yr -24.0%2.1% conv.
400w power supply7K/yr -15.7%1.5% conv.
450w psu4K/yr +17.5%1.3% conv.

All search terms

Top 500w 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 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Thermaltake Smart 500W 80+ White Certified PSU Continuous Power with 120mm Ultra Quiet Cooling Fan ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W

Thermaltake$39.024.6★11,033 rev

ARESGAME AGV Series 500W Power Supply 80 Plus Bronze Certified Non Modular Power Supply 5 Year Warranty

ARESGAME$37.044.4★1,507 rev

APEVIA VENUS500W Venus 500W ATX Power Supply with Auto-Thermally Controlled 120mm Fan 115/230V Switch All Protections

Apevia$29.694.1★217 rev

APEVIA VENUS450W 450W ATX Power Supply with Auto-Thermally Controlled 120mm Fan 115/230V Switch All Protections

Apevia$27.604.1★810 rev

Thermaltake Smart 600W ATX 12V V2.3/EPS 12V 80 Plus Certified Active PFC Power Supply PS-SPD-0600NPCWUS-W

Thermaltake$42.824.6★6,384 rev

Newest

by launch date

Rosewill VNW 550W 80+ White Certified Non-Modular Active PFC Design Low-Noise Power Supply Electrolytic Capacitor 120mm FDB Silent Fan - 5 Year Warranty - VNW550

Rosewill$36.1515 rev

6mo ago

APEVIA VENUS500W Venus 500W ATX Power Supply with Auto-Thermally Controlled 120mm Fan 115/230V Switch All Protections

Apevia$29.69217 rev

2y ago

Apevia RAPTOR500W Raptor 500W ATX Power Supply with 120MM Black Fan

Apevia$29.76101 rev

2y ago

ARESGAME AGV Series 500W Power Supply 80 Plus Bronze Certified Non Modular Power Supply 5 Year Warranty

ARESGAME$37.041,507 rev

3y ago

APEVIA VENUS450W 450W ATX Power Supply with Auto-Thermally Controlled 120mm Fan 115/230V Switch All Protections

Apevia$27.60810 rev

8y ago

What buyers say about 500w power supply

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

What buyers love

Value For Money24%

“Good value”

Quality-Overall13%

“has solid build quality”

Advertised Vs Actual Product13%

“Works as it should”

Assembly/Installation8%

“Easy installation”

Socket/Port/Plug5%

“very quiet and has all the needed connectors”

Durability5%

“Reliable”

Strength5%

“Plenty of power”

Functionality-Overall4%

“The power supply itself works ok”

Compatibility-Overall3%

“The Dell Compatibility Factor”

Size-Overall2%

“perfect fit”

What buyers complain about

Durability25%

“Didn't last more than a few months”

Functionality-Overall17%

“Didn't work”

Quality-Overall7%

“i realized i wasnt buying a super high quality power supply”

Product Condition7%

“Arrived Used”

Noise Level5%

“the fan isnt loud at all”

Socket/Port/Plug4%

“Cheap plastic connectors were off-putting”

Heating3%

“got burned out by my gtx 1070 only buy this if you have integrated graphics only have 40 bucks”

Flammable3%

“Burns”

Assembly/Installation3%

“the setup wasn't even a remotely beefy build it was far below a standard low end pc”

Advertised Vs Actual Product2%

“Incorrect Specs shown in photos”

Top return reasons

Compatibility-Overall18%

Functionality-Overall17%

Size-Overall15%

Defective Material/Parts14%

Advertised Vs Actual Product6%

Socket/Port/Plug5%

Product Condition5%

Connectivity-Overall4%

Noise Level2%

Value For Money2%

Common questions

Is 500w power supply profitable to sell on Amazon United States?: The niche generates $233K/yr across 7 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -15.2%. Flapen's verdict: Skip it (35/100).
How competitive is the 500w power supply niche?: 4 brands and 33 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 500w power supply?: Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 5.4% — above our launch gate.
When does demand for 500w power supply peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the 500w power supply niche?: Listings span $27.60–$42.82; the average listing price is $34.58 (sweet spot $15–$100). The average incumbent carries 2,867 reviews — the moat a new listing must climb.