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Power supply

Every power supply in the catalogue, grouped by price range, with the specifications that decide a build.

Budget

be quiet! System Power 10 550 W
220 – 300 zł
The cheapest supply that can be recommended without caveats. Non-modular, so the excess cable has to go somewhere.
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be quiet! System Power 11 750 W
300 – 390 zł
An inexpensive unit at a sensible wattage. Non-modular with a three-year warranty — and the price reflects it.

be quiet! Pure Power 12 M 650 W
380 – 480 zł
A ten-year warranty and full modularity. A sensible choice for a build with a mid-range graphics card.

be quiet! Pure Power 12 M 750 W
450 – 570 zł
750 W with headroom for the transient spikes modern cards produce. The most commonly chosen wattage for 1440p builds.

Seasonic Focus GX-850
620 – 780 zł
A very good unit for powerful builds. 850 W leaves headroom with the CPU and GPU both loaded.
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Corsair SF750 SFX
850 – 1,050 zł
The SFX form factor for Mini-ITX cases. SFX units cost more than ATX of the same wattage — that is the price of small.
Corsair RM850x (2024)
580 – 730 zł
A quiet unit whose fan stops at low load. A popular choice for builds with a powerful card.
MSI MPG A1000G PCIE5
780 – 980 zł
A thousand watts with a 12V-2x6 connector included. A sensible base for the fastest cards without paying for Titanium.

Seasonic PRIME TX-1000
1,400 – 1,800 zł
Required for an RTX 5090. Titanium efficiency and a twelve-year warranty, though the price matches the quality.
Corsair SF850L SFX-L
1,000 – 1,250 zł
The SFX-L form factor is slightly longer than plain SFX, which makes room for a quieter fan. Check the case accepts it.

Comparison — Power supply
Property	be quiet! System Power 10 550 W	be quiet! Pure Power 12 M 650 W
Price range	220 – 300 zł	380 – 480 zł
Tier	Budget	Value
Wattage	550 W	650 W
Efficiency	80+ Bronze	80+ Gold
Modular	no	full
Warranty (years)	3	10
Verdict	The cheapest supply that can be recommended without caveats. Non-modular, so the excess cable has to go somewhere.	A ten-year warranty and full modularity. A sensible choice for a build with a mid-range graphics card.