500w psu
Skip itA small market ($54K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible£32.04avg listing price — sweet spot $15–$100
Price range
Incredible£17.80–£62.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great492.4avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Returns
Okay4.0%return rate — above 5% kills the launch gate
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Competition
Bad75%top-5 click share — a locked-up shelf
Market size
Bad£54K£54K/yr · 55K searches
Growth
Bad-24.2%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, 500w psu is a £54K/yr Amazon United Kingdom market (55K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 36/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
500w psu market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- £48K–£64K
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #97
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 67%
- Out of stock
- 0.0%
- Avg brand age
- 54 months
- Avg seller age
- 187 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
46
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
8%
- MSI36%
- JUSTOP21%
- Corsair19%
- be quiet!9%
- GAMEMAX4%
- Tecnoware Power Systems3%
- Open — no brand owns it (3 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -24.2% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 1.9×
Top 500w psu search terms
- 500w psu20K/yr
- 550w psu15K/yr
- psu 500w5K/yr
- psu 550w3K/yr
- 450w psu3K/yr
- 550w power supply3K/yr
- 500w power supply3K/yr
- power supply 500w3K/yr
Top 500w 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MSI MAG A550BN UK PSU 550W 80 Plus Bronze certified 12V Single-Rail DC-to-DC Circuit 120mm Fan Non-Modular Sleeved Cables ATX Power Supply Unit UK Powercord Black
MSI£33.014.6★494 rev

CORSAIR CX550 80 PLUS Bronze Non Modular Low-Noise ATX 550 Watt Power Supply - UK - Black
Corsair£38.454.7★1,330 rev

JUSTOP Black ATX 500W PSU Switching Power Supply Computer Desktop PC 120mm Fan 4+4-Pin 12V 6x SATA
JUSTOP£17.804.2★34 rev

JUSTOP Black 650W PSU ATX Switching Power Supply Computer Desktop PC With 120mm Fan 8-Pin 12V 6+2 Pin PCI-E 6x SATA (650W)
JUSTOP£24.714.2★188 rev

be quiet! System Power 11 550W Power Supply ATX 3.1 PSU With Support For PCIe 5.1 GPUs Temperature-Controlled 120mm Quality Fan Strong 12V-Rail DC-to-DC Technology 80 PLUS Bronze Efficiency
be quiet!£40.745.0★1 rev
Newest
by launch date
be quiet! System Power 11 550W Power Supply ATX 3.1 PSU With Support For PCIe 5.1 GPUs Temperature-Controlled 120mm Quality Fan Strong 12V-Rail DC-to-DC Technology 80 PLUS Bronze Efficiency
be quiet!£40.741 rev

be quiet! System Power 11 450W Power Supply ATX 3.1 PSU With Support For PCIe 5.1 GPUs Temperature-Controlled 120mm Quality Fan Strong 12V-Rail DC-to-DC Technology 80 PLUS Bronze Efficiency
be quiet!£35.483 rev

be quiet! Pure Power 13 M 550W 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!£62.774 rev

GIGABYTE P550SS Power Supply - PCIe 5.0 80 PLUS Silver 120mm Fan ATX 3.0 compatible UK Plug
Gigabyte£25.8416 rev

CiT ATV Eco 500W PSU Power Supply Unit with Active PFC - Single +12V Rail - 120mm Low-Noise Fan - Full Circuit Protection - Flat Black Cables - 80 Plus Bronze Certified | Black
CiT£28.4331 rev
Trending
90-day click momentum
GIGABYTE P550SS Power Supply - PCIe 5.0 80 PLUS Silver 120mm Fan ATX 3.0 compatible UK Plug
Gigabyte£25.844.4★

be quiet! System Power 11 550W Power Supply ATX 3.1 PSU With Support For PCIe 5.1 GPUs Temperature-Controlled 120mm Quality Fan Strong 12V-Rail DC-to-DC Technology 80 PLUS Bronze Efficiency
be quiet!£40.745.0★

be quiet! Pure Power 13 M 550W 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!£62.775.0★

be quiet! System Power 11 450W Power Supply ATX 3.1 PSU With Support For PCIe 5.1 GPUs Temperature-Controlled 120mm Quality Fan Strong 12V-Rail DC-to-DC Technology 80 PLUS Bronze Efficiency
be quiet!£35.483.7★

CORSAIR CX650 80 PLUS Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - UK - Black
Corsair£42.514.7★
What buyers say about 500w psu
What buyers praise and complain about, mined from review topics.What buyers love
“Great Value”
“Reliable brand”
“Did the job perfectly”
“honestly it's made his pc so much powerful”
“Easy to install”
“it fits”
“Gets the job done”
“but it hasn't failed on me in 5 months”
“are compatible with Linux”
“Quiet and works efficiently, I replaced the power supply on my computer because I did a graphic card upgrade and this one did the job very well”
What buyers complain about
“Disappointed the original only lasted 2 years”
“Its very noisy when on”
“Good PSU, only thing you need to note is that this does not come with a 4pin ATX plug that some motherboards require and you will have to purchase a Molex to 4pin ATX adapter”
“Didnt have correct connections”
“The cables and build quality is certainly not premium”
“Wouldnt boot”
“All the cables are black also”
“Its started to smell of burning only been used 3 months”
“Cable length is not very long”
“I stalled as the fans were very dirty”
Top return reasons
Common questions
- Is 500w psu profitable to sell on Amazon United Kingdom?
- The niche generates £54K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -24.2%. Flapen's verdict: Skip it (36/100).
- How competitive is the 500w psu niche?
- 9 brands and 46 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in 500w psu?
- Top complaints mined from reviews: Durability, Noise Level, Socket/Port/Plug. The return rate is 4.0%.
- When does demand for 500w psu peak?
- Demand peaks in Jan–Nov–Dec; the busiest month runs 1.9× the quietest.
- What does it cost to enter the 500w psu niche?
- Listings span £17.80–£62.77; the average listing price is £32.04 (sweet spot $15–$100). The average incumbent carries 492 reviews — the moat a new listing must climb.