Is 600w psu profitable to sell on Amazon United Kingdom?

The niche generates £23K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -20.1%. Flapen's verdict: Skip it (30/100).

How competitive is the 600w psu niche?

8 brands and 46 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 93% of demand.

What do buyers complain about in 600w psu?

Top complaints mined from reviews: Noise Level, Durability, Functionality-Overall. The return rate is 3.8%.

When does demand for 600w psu peak?

Demand peaks in Jan–Nov–Dec; the busiest month runs 2.2× the quietest.

What does it cost to enter the 600w psu niche?

Listings span £24.71–£63.92; the average listing price is £36.35 (sweet spot $15–$100). The average incumbent carries 716 reviews — the moat a new listing must climb.

600w psu

Skip it

A small market ($23K/yr) — this niche doesn't clear our bar today.

Avg price

Incredible£36.35

avg listing price — sweet spot $15–$100

Price range

Incredible£24.71–£63.92

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

Review moat

Good716

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.5%

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

Brand share

Bad93%

top-5 brand share — brand-locked demand

Growth

Bad-20.1%

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

Competition

Bad88%

top-5 click share — a locked-up shelf

Market size

Bad£23K

£23K/yr · 26K searches

According to Flapen's Amazon United Kingdom niche tracking, 600w psu is a £23K/yr Amazon United Kingdom market (26K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 30/100.

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

600w psu market data

Units sold / yr: 500–750; avg 0–100/product
Revenue / yr: £18K–£27K; units × avg price
Conversion rate: 2.5%
Avg BSR: #52
Page quality: 0%
Prime: 100%
Sponsored: 60%
Out of stock: 0.0%
Avg brand age: 49 months
Avg seller age: 187 days

Competition & brand share

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

Corsair36%
MSI28%
JUSTOP13%
GAMEMAX13%
AeroCool3%
Tecnoware Power Systems3%
Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -20.1% search growth over the last 90 days.

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.2×

Open Trend

Top 600w psu search terms

600w psu19K/yr -23.5%3.1% conv.
600w power supply3K/yr +3.7%1.7% conv.
psu 600w2K/yr -26.9%1.7% conv.
power supply 600w1K/yr -14.8%2.2% conv.
evga 600w177/yr +83.3%0.0% conv.

All search terms

Top 600w 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CORSAIR CX650 80 PLUS Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - UK - Black

Corsair£42.514.7★1,330 rev

MSI MAG A650BN Gaming Power Supply Unit: 80 plus bronze 650 Watt 12V Single-Rail DC-to-DC Circuit 120mm Fan 5-Year Limited Warranty

MSI£37.134.6★1,032 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

GameMax 600W Rampage Power Supply (No Power Cable inc.) Non-Modular APFC Japanese Tk Main Capacitor 80 Plus Bronze 88% Efficiency 14cm Cooling Fan Real Power Gaming | Black

GAMEMAX£29.894.5★81 rev

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

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

11mo ago

CORSAIR RM650e (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£63.92122 rev

1y ago

Tecnoware Power Systems Free Silent PRO 650 Power Supply for Advanced PCs with NVIDIA GeForce GTX - RTX Graphics Card Silent Fan PCI-E Connectors CPU 4+4 SATA Molex

Tecnoware Power Systems£24.71135 rev

1y ago

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£24.71188 rev

2y ago

CORSAIR CX650 80 PLUS Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - UK - Black

Corsair£42.511,330 rev

2y ago

What buyers say about 600w psu

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

What buyers love

Quality-Overall22%

“Solid Build Quality”

Value For Money19%

“Great price”

Advertised Vs Actual Product9%

“Does the Business”

Assembly/Installation8%

“Easy to install”

Strength7%

“Great value, robust and quiet”

Functionality-Overall6%

“Gets the job done”

Durability4%

“but it hasn't failed on me in 5 months”

Size-Overall4%

“it fits”

Compatibility-Overall3%

“are compatible with Linux”

Noise Cancellation2%

“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

Noise Level16%

“Its very noisy when on”

Durability16%

“Old power supply died after many years”

Functionality-Overall11%

“Wouldnt boot”

Socket/Port/Plug7%

“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”

Connectivity-Overall6%

“Didnt have correct connections”

Smell5%

“Its started to smell of burning only been used 3 months”

Length5%

“Cable length is not very long”

Ease Of Cleaning4%

“I stalled as the fans were very dirty”

Size-Overall4%

“slightly dissapointed due to the sata cables being really short”

Quality-Overall4%

“kind of feels like a downgrade in that regard”

Top return reasons

Compatibility-Overall20%

Functionality-Overall20%

Defective Material/Parts13%

Size-Overall10%

Noise Level5%

Constant Reboot Or Restart5%

Connectivity-Overall5%

Socket/Port/Plug4%