- Flapen Score
- 40 / 100Ranks 594 of 1,028 Computers & Accessories niches · −2 vs the category median of 4240
- Market size
- £629K/yr251K searches / yr
- 90-day growth
- -10.8%search demand this quarter
- Competition
- 91%top-5 click share · 6 brands · 57 sellers
Flapen Score
850w Psu against its category
The dotted line is the Computers & Accessories average. Past it, 850w Psu is stronger. Inside it, weaker.
Market
The 850w Psu market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for 850w Psu 251K times last year and spent an estimated £629K. The top 5 brands take 98% of clicks. Demand peaks in Nov–Dec. Flapen scores it 40 out of 100, a Fail.
01 · Demand
3.3% of searches ended in a purchase last week.
Shoppers searched for this 251K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 3.3% of those searches ended in a purchase. Searches in the last 90 days moved -10.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £629K a year.
- Searches, last 12 months
- 251K
- Growth, 90 days vs prior 90
- -10.8%
- Conversion, latest week
- 3.3%
- Market size, estimated
- £629Ka year
- Peak month
- November1.9× the quietest month
- Top search term
- 850w psu75K searches a year
02 · Price
A sale here is worth £75.89.
Listings sell for £75.89 on average, from £48.91 to £98.42. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At £75.89 that is £38K to £57K a year per listing.
- Average price
- £75.89inside the $15 to $100 sweet spot
- Price range
- £48.91–£98.42
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £38K–£57K
- Returns
- 3.4%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #19 within Components & Replacement Parts. It carries 311 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 2.4%
- Average rank
- #19in Components & Replacement Parts
- Average rating
- 4.54 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 311per listing
- Listings tracked
- 8
04 · Newcomers
Amazon counts 1 of last year's 1 launches as successful.
1 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 43 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 43 months
Products
Top 850w Psu products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
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
- Price
- £78.00
- Rating
- 4.6/5
- Reviews
- 688
- Age
- 1y ago

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
- Price
- £75.95
- Rating
- 4.6/5
- Reviews
- 916
- Age
- 3y 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
- Price
- £98.42
- Rating
- 4.7/5
- Reviews
- 278
- Age
- 1y ago

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
- Price
- £74.40
- Rating
- 4.8/5
- Reviews
- 9
- Age
- 11mo ago

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
- Price
- £84.28
- Rating
- 4.6/5
- Reviews
- 39
- Age
- 1y ago
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
- Price
- £74.40
- Rating
- 4.8/5
- Reviews
- 9
- Age
- 11mo ago

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
- Price
- £77.98
- Rating
- 4.6/5
- Reviews
- 436
- Age
- 1y ago

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
- Price
- £69.20
- Rating
- 4.2/5
- Reviews
- 6
- Age
- 1y ago

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
- Price
- £78.00
- Rating
- 4.6/5
- Reviews
- 688
- Age
- 1y ago

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
- Price
- £84.28
- Rating
- 4.6/5
- Reviews
- 39
- Age
- 1y ago
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
- Price
- £74.40
- Rating
- 4.8/5
- Reviews
- 9
- Age
- 11mo ago

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
- Price
- £69.20
- Rating
- 4.2/5
- Reviews
- 6
- Age
- 1y ago

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
- Price
- £84.28
- Rating
- 4.6/5
- Reviews
- 39
- Age
- 1y ago

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
- Price
- £78.00
- Rating
- 4.6/5
- Reviews
- 688
- Age
- 1y 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
- Price
- £98.42
- Rating
- 4.7/5
- Reviews
- 278
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 91% of clicks. A locked 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
850w Psu search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Nov, Dec · busiest ÷ quietest = 1.9×
Search terms
Top 850w Psu search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- 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
Reviews and returns
What reviews say buyers love and hate about 850w Psu
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
made a clicking noise the entire time i had it
still loud
Its not super loud
Started to fail after only 4 months
then it fails under load
Failed after short time
Not as described
it's not the same
even though the product was supposed to be 'brand new'
2 different units Dead on arrival
Love
Build quality feels solid
Good quality
Amazing results great product
brilliant very easy to set up
was easy to build
Easy to install
Great value for money
Good value
Great value
it seems that it will be durable
Nice solid unit with a huge guarantee period
It is also very reliable
was easy to build
the overall build quality feels like a real step up
The fully modular design is a lifesaver
Return
3.4% Return rate 11% Fixable by listing
2 different units Dead on arrival
made a clicking noise the entire time i had it
still loud
Its not super loud
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 850w Psu questions
Answered from the same tracked data.









