Best Power Supplies October 2026
Finding the right power supply ensures stable performance and reliable power delivery for your PC build. This guide highlights top-ranked options across various wattages and standards to help you compare specs and find the best match for your setup. Our independent ranking is updated regularly based on testing and user feedback.
Last updated: 6 October 2026
Power Supplies: Top 5
1
Asus TUF Gaming Gold 850W
from £98.9910 stores
from £98.99
10 stores
2
Corsair RM850e (2025) ATX 3.1 Gold 850W
from £89.9910 stores
from £89.99
10 stores
3
Corsair RM750e (2025) ATX 3.1 750W
from £83.9912 stores
from £83.99
12 stores
4
Phanteks AMP GH 850W Gold
from £102.993 stores
from £102.99
3 stores
5
MSI MAG A750GL PCIE5 750W
from £54.9913 stores
from £54.99
13 stores
The Asus TUF Gaming Gold 850W is an ATX 3.0 power supply designed for modern graphics cards and gaming builds. It features high 92% efficiency along with a semi-passive fan mode for zero-noise operation under light loads. The fully modular design and native 12VHPWR connector keep cable management clean.
Pros
High 92% power efficiency
Quiet 135 mm ball bearing fan
Semi-passive 0 dB silent mode
Fully modular ATX 3.0 design
Cons
Relatively heavy at 2.38 kg
Provides only 5 SATA connectors
The Corsair RM850e (2025) delivers 850 W of 80 Plus Gold certified power built around the updated ATX 3.1 standard. Its short 140 mm casing makes installation easier in compact ATX cases with tight cable space. Fully modular cables and a 12VHPWR connector provide flexible routing for modern hardware.
Pros
Updated ATX 3.1 standard
Compact 140 mm depth
Generous 6 SATA connectors
Fully modular cable system
Cons
User reports of audible fan noise
Heavier unit at 2.93 kg
The Corsair RM750e (2025) offers 750 W of power with 80 Plus Gold efficiency and ATX 3.1 support. It is built to power modern mid-tier gaming setups while providing 6 SATA ports for storage drives. Fully modular cabling simplifies PC assembly by letting you attach only the necessary cables.
Pros
Complies with ATX 3.1 standard
Fully modular cable management
Includes 6 SATA power plugs
Native 12VHPWR support
Cons
Lower 750 W capacity headroom
Some buyer reports of clicking fans
The Phanteks AMP GH 850W Gold stands out with its clean white finish, making it an ideal power supply for themed custom builds. It weighs just 1.4 kg and provides full modularity alongside ATX 3.0 compatibility. With 850 W total capacity, it easily handles high-performance gaming hardware.
Pros
Distinctive all-white casing
Very light weight at 1.4 kg
ATX 3.0 standard with 12VHPWR
Fully modular cable layout
Cons
Only 4 SATA power connectors
Combined 12V power capped at 840 W
The MSI MAG A750GL PCIE5 is a compact 750 W power supply featuring ATX 3.1 compatibility and a quiet liquid dynamic bearing fan. It stands out by offering eight SATA power connectors, providing ample connectivity for storage-heavy workstations. Fully modular flat cables keep case interiors tidy and airflow unobstructed.
Pros
Provides 8 SATA power plugs
Smooth liquid bearing fan
Compact 140 mm depth
ATX 3.1 with PCIe 5.0 support
Cons
750 W limits top-tier GPU upgrades
User reports of hardware failure
Compare specifications
| PSU Format | ATX | ATX | ATX | ATX | ATX |
|---|---|---|---|---|---|
| Capacity | 850 W | 850 W | 750 W | 850 W | 750 W |
| 80-plus certification | Gold | Gold | Gold | Gold | Gold |
| Modular Type | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular |
How we create the list
The ranking is updated monthly and is based on data we collect from our own platform. Products that rank highly are popular among our users while also maintaining high quality according to editorial expert assessments. Specifically, we weigh how many users follow the product via price alerts or lists, how it is rated by experts and users, as well as how much traffic it generates to stores and how well it is represented in retail. The texts on this page are AI-generated and created to give you a quick and clear overview. No products are paid placements – the ranking is driven solely by data.
