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Best sellers, best modular PSUs

We also think that you deserve the best. That’s why on this page, we ranked modular PSUs from the most sold to the least sold. You have 195 products to choose from. Customers have the most interest in Corsair RM850x ATX 3.1, which you can buy for 3,759 Kč incl. VAT. If you’re intrested in modular PSUs in terms of the highest reviews, then look at the modular PSUs reviews and tests category.
How to build your own PC All modular PSUs
All from 195
Corsair RM850x ATX 3.1 - PC Power Supply
Corsair RM850x ATX 3.1
3,759,-
From 173,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 850 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 140 mm fan size, 2×...
ADATA XPG CORE REACTOR II VE 850W - PC Power Supply
ADATA XPG CORE REACTOR II VE 850W
Discounted -8 % 2,159,- 2,369,-
In stock > 5 pcs
3 sizes
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 850 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control and power switch, 120 mm fan size, 2× EPS/CPU 4+4pin, 1× PCI Express...
Raijintek CRATOS 850 BLACK - PC Power Supply
Raijintek CRATOS 850 BLACK
1,999,-
In stock > 5 pcs
5 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY10 1,799,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky.
PC Power Supply - 850 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 120 mm fan size,...
Corsair RM650e (2025) - PC Power Supply
Corsair RM650e (2025)
1,990,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 650 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control, power switch and zero RPM mode, 120 mm fan size, 2× EPS/CPU 4+4pin,...
Seasonic Focus GX-750 ATX 3.1 - PC Power Supply
Seasonic Focus GX-750 ATX 3.1
Great price 2,699,- Save 148,-
In stock > 5 pcs
3 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 750 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control, power switch and zero RPM mode, 135 mm fan size, 2× EPS/CPU 4+4pin,...
Seasonic Focus GX-1000 ATX 3.1 - PC Power Supply
Seasonic Focus GX-1000 ATX 3.1
Great price 3,999,- Save 191,-
From 184,- per month
In stock > 5 pcs
3 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 1000 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control, power switch and zero RPM mode, 135 mm fan size, 2× EPS/CPU 4+4pin,...
Corsair RM750e (2025) - PC Power Supply
Corsair RM750e (2025)
Amazing Deal 2,190,- Save 1,037,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 750 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control, power switch and zero RPM mode, 120 mm fan size, 2× EPS/CPU 4+4pin,...
MSI MAG A850GL PCIE5 II - PC Power Supply
MSI MAG A850GL PCIE5 II
2,699,-
In stock > 5 pcs
2 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY15 2,294,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky.
PC Power Supply - 850 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control and power switch, 120 mm fan size, 2× EPS/CPU...
Corsair RM850e (2025) - PC Power Supply
Corsair RM850e (2025)
Amazing Deal 2,590,- Save 274,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 850 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control, power switch and zero RPM mode, 120 mm fan size, 2× EPS/CPU 4+4pin,...
Corsair RM750x ATX 3.1 - PC Power Supply
Corsair RM750x ATX 3.1
Discounted -6 % 2,990,- 3,190,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 750 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 140 mm fan size, 2×...
Seasonic Core GX-650 ATX 3.1 - PC Power Supply
Seasonic Core GX-650 ATX 3.1
2,099,-
In stock > 5 pcs
3 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 650 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control and power switch, 120 mm fan size, 2× EPS/CPU 4+4pin, 1× PCI Express...
MSI MAG A750GL PCIE5 II - PC Power Supply
MSI MAG A750GL PCIE5 II
Great price 2,049,- Save 50,-
In stock > 5 pcs
2 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 750 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control and power switch, 120 mm fan size, 2× EPS/CPU...
Corsair RM1000x ATX 3.1 - PC Power Supply
Corsair RM1000x ATX 3.1
4,499,-
From 103,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 1000 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 140 mm fan size,...
MSI MAG A1000GL PCIE5 II - PC Power Supply
MSI MAG A1000GL PCIE5 II
3,149,-
From 145,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 1000 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control and power switch, 135 mm fan size, 2× EPS/CPU...
FSP Fortron VITA GM 1000W - PC Power Supply
FSP Fortron VITA GM 1000W
Discounted -8 % 2,749,- 2,999,-
In stock > 5 pcs
4 sizes
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 1000 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control and power switch, 120 mm fan size, 2× EPS/CPU...
ASUS PRIME 850W GOLD - PC Power Supply
ASUS PRIME 850W GOLD
Great price 2,299,- Save 200,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 850 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control and power switch, 120 mm fan size, 2× EPS/CPU 4+4pin, 1× PCI Express...
Seasonic Focus GX-850 ATX 3.1 - PC Power Supply
Seasonic Focus GX-850 ATX 3.1
3,399,-
From 157,- per month
In stock > 5 pcs
3 variants
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 850 W, ATX form factor, 80 PLUS Gold certification, detachable cables, thermal speed control, power switch and zero RPM mode, 135 mm fan size, 2× EPS/CPU 4+4pin,...
Be quiet! PURE POWER 13 M 750W - PC Power Supply
Be quiet! PURE POWER 13 M 750W
2,789,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 750 W, ATX form factor, 80 PLUS Gold certification, 94,3 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 120 mm fan size,...
MSI MAG A1250GL PCIE5 - PC Power Supply
MSI MAG A1250GL PCIE5
4,599,-
From 106,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY15 3,909,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky.
PC Power Supply - 1250 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 135 mm fan size,...
GIGABYTE UD1000GM PG5 V2 - PC Power Supply
GIGABYTE UD1000GM PG5 V2
2,789,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 1000 W, ATX form factor, 80 PLUS Gold certification, 90 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 120 mm fan size,...
Be quiet! POWER ZONE 2 750W - PC Power Supply
Be quiet! POWER ZONE 2 750W
3,089,-
From 142,- per month
In stock 3 pcs
PC Power Supply - 750 W, ATX form factor, 80 PLUS Platinum certification, 94 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 140 mm fan...
Be quiet! POWER ZONE 2 850W - PC Power Supply
Be quiet! POWER ZONE 2 850W
3,589,-
From 165,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 850 W, ATX form factor, 80 PLUS Platinum certification, 94 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 140 mm fan...
Corsair SF850 (2024) - PC Power Supply
Corsair SF850 (2024)
4,390,-
From 101,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 850 W, SFX form factor, 80 PLUS Platinum certification, detachable cables, thermal speed control, power switch and zero RPM mode, 92 mm fan size, 2× EPS/CPU...
Be quiet! PURE POWER 13 M 550W - PC Power Supply
Be quiet! PURE POWER 13 M 550W
2,189,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
PC Power Supply - 550 W, ATX form factor, 80 PLUS Gold certification, 93,8 % efficiency, detachable cables, thermal speed control, power switch and zero RPM mode, 120 mm fan size,...
24 more...
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