800w power supply
Skip itPrices mostly outside the sweet spot ($52.46–$650.21) — this niche doesn't clear our bar today.
Competition
Great38%top-5 click share — an open shelf
Review moat
Good657.05avg incumbent reviews — the moat a new listing must climb
Market size
Good$694K$694K/yr · 243K searches
Avg price
Good$148.08avg 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–$650.21cheapest 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.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
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Seasonic Focus GX 850W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 10 Years Warranty Cybenetics Platinum Fully Modular RTX 5080 AMD RX 9000 Ready
Seasonic$139.674.7★268 rev

Seasonic Focus GX 750W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 10 Years Warranty Cybenetics Platinum Fully Modular RTX 5070 Ti AMD RX 9000 Ready
Seasonic$123.974.6★113 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

Seasonic Focus GX 1000W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 10 Years Warranty Cybenetics Gold Fully Modular RTX 5090 AMD RX 9000 Ready
Seasonic$176.994.8★181 rev

MSI MAG A750GL PCIE5 Fully Modular Compact Gaming 750W Power Supply 80+ Gold ATX 3.1 & PCIe 5.1 Ready Native Dual-Color 12V-2x6 Cable 10 Year Warranty
msi$91.644.5★5,841 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

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

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$126.54121 rev

Rosewill VMG 850W 80+ Gold ATX 3.0 & 3.1 Compatible Full Modular Low-Noise Power Supply PCIe 5.1 12V-2x6 Connector 100% Japanese Electrolytic Capacitor 120mm FDB Silent Fan - 5 Year Warranty
Rosewill$73.00133 rev

Auotac 1000W Fully Modular Power Supply 80+ Gold PSU ATX 3.1 & PCIe 5.1 Ready Native Dual-Color 12V-2x6 Cable RGB Low-Noise Smart Fan 105C-Rated Capacitors Black
Auotac$99.71187 rev
Trending
90-day click momentum
Seasonic Focus GX 750W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 10 Years Warranty Cybenetics Platinum Fully Modular RTX 5070 Ti AMD RX 9000 Ready White
Seasonic$100.804.6★

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$66.634.7★

MSI MAG A750GL PCIE5 Fully Modular Compact Gaming 750W Power Supply 80+ Gold ATX 3.1 & PCIe 5.1 Ready Native Dual-Color 12V-2x6 Cable 10 Year Warranty
msi$91.644.5★

Seasonic Focus GX 750W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 10 Years Warranty Cybenetics Platinum Fully Modular RTX 5070 Ti AMD RX 9000 Ready
Seasonic$123.974.6★

SEASONIC FOCUS V4 GX-850-850W - 80+ Gold - Full-Modular - ATX Form Factor - Premium Japanese Capacitor - 10 Year Warranty - Nvidia RTX 30/40 Super & AMD GPU Compatible (Ref. SRP-FGX851-A5A32SF)
Seasonic$135.574.5★
What buyers say about 800w power supply
What buyers praise and complain about, mined from review topics.What buyers love
“Amazing quality”
“Excellent Value”
“No problems installing”
“As advertised”
“has a nice subtle look”
“compatible with most cases”
“Solid unit”
“feel really durable”
“makes no noise”
“The connectors are easy to manage”
What buyers complain about
“Almost broken”
“Did not work”
“noisy”
“Not good quality”
“received a very obviously used product”
“Waste of money”
“The mobo power connector was a little difficult to work with”
“A bit misleading”
“However, when I opened the box there was a noticeable burnt electronic smell”
“It really sucked having to reinstall everything”
Top return reasons
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.