850w psu
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Price range
Incredible£48.91–£98.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great310.5avg incumbent reviews — the moat a new listing must climb
Avg price
Great£75.89avg 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.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
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.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£78.004.6★688 rev

MSI MAG A850GL PCIE5 Power Supply Unit 850W 80 Plus Gold Fully Modular ATX 3.0 PCIe 5.0 GPU Support Black Flat Cables 7 Year Warranty
MSI£75.954.6★916 rev

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
Corsair£98.424.7★278 rev

be quiet! Pure Power 13 M 850W Power Supply 80 PLUS Gold Certification ATX 3.1 PSU Support For PCIe 5.1 GPUs Semi-Passive 120mm be quiet! Fan LLC Technology Single Rail For Overclocked GPUs
be quiet!£74.404.8★9 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 White
Corsair£84.284.6★39 rev
Newest
by launch date
be quiet! Pure Power 13 M 850W Power Supply 80 PLUS Gold Certification ATX 3.1 PSU Support For PCIe 5.1 GPUs Semi-Passive 120mm be quiet! Fan LLC Technology Single Rail For Overclocked GPUs
be quiet!£74.409 rev

Gigabyte UD850GM PG5 V2 80 Plus Gold Fully Modular 850w PCIe 5.0 Power Supply Unit ATX 3.1 12VHPWR GPU Connector Flat Cables 10 Year Warranty
Gigabyte£69.206 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 White
Corsair£84.2839 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£78.00688 rev

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
Corsair£98.42278 rev
Trending
90-day click momentum
be quiet! Pure Power 13 M 850W Power Supply 80 PLUS Gold Certification ATX 3.1 PSU Support For PCIe 5.1 GPUs Semi-Passive 120mm be quiet! Fan LLC Technology Single Rail For Overclocked GPUs
be quiet!£74.404.8★

NZXT C850 Gold ATX 3.1 - Fully Modular Low-Noise PC Gaming Power Supply - 850 Watts - 80 PLUS Gold - 12V-2x6 Connector - Zero Fan Mode - 100% Japanese Capacitors - Black
NZXT£77.984.6★

Gigabyte UD850GM PG5 V2 80 Plus Gold Fully Modular 850w PCIe 5.0 Power Supply Unit ATX 3.1 12VHPWR GPU Connector Flat Cables 10 Year Warranty
Gigabyte£69.204.2★

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£78.004.6★

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 White
Corsair£84.284.6★
What buyers say about 850w psu
What buyers praise and complain about, mined from review topics.What buyers love
“Build quality feels solid”
“brilliant very easy to set up”
“Great value for money”
“it seems that it will be durable”
“was easy to build”
“Worked as expected”
“Perfect modular power supply especially for first time builder really simple”
“Everything fit perfectly”
“overall its a strong”
“its completely silent”
What buyers complain about
“made a clicking noise the entire time i had it”
“Started to fail after only 4 months”
“Not as described”
“even though the product was supposed to be 'brand new'”
“2 different units Dead on arrival”
“the fan is barely audible”
“The PSU itself is reassuringly heavy”
“No instructions,”
Top return reasons
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.