I do not think so - the ATX 3.0 standard is very new, and this unit does not have the new PCI 5 conenctor Unless you are planning a monster build with a very power hungry GPU (i.e. 4090) I'm not sure you will need a ATX 3.0 PSU

Would this work with z490 tomahawk and msi 3060Ti trio ?

I'm using it with a z590 Gaming plus and a RTX 3080 with no problems, I would recommend taking 2 separate power leads to your graphics card and not using one lead with a splitter (if that makes sense). Also only one end of each cable is labelled so do a quick check which end fits in which as I had the motherboard one back to front and it wouldn't clip on. Its a good power supply I've had mine running 24/7 for the past 4 months

Can this power a gpu that needs 3 separate Power leads

Hi there, Yes, you can power GPUs with 3 PCIe power inputs with separate leads. Kind regards

Does it have usb connectors

no the psu does not come with USB ports.

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MSI MPG A850G PCIE5 Power Supply Unit, UK Plug - 850W, 80 Plus Gold Certified, Fully Modular ATX 3.0, PCIe 5.0 GPU Support, Japanese 105°C Capacitors, 0% RPM Mode, Flat Cables - 10 Year Warranty

Product ID: 513368367

Details

Brand
MSI
Compatible devices
Personal
Connector type
PCI Express
Cooling method
Air
Form factor
ATX
Item dimensions L x W x H
15 x 15 x 8.6

⚡850W peak power

💎80 Plus Gold efficiency

🔌PCIe 5.0 native 16-pin connector

€ 228.52

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your future-proof rig with MSI’s silent, sleek, and seriously efficient PSU!

CLEAN COOL BUILD - Fully modular flat cables reduce clutter and improve airflow, while 0% RPM mode keeps noise at bay.
BUILT TO LAST A DECADE - Premium Japanese 105°C capacitors and a 10-year warranty guarantee rock-solid reliability.
POWERHOUSE PERFORMANCE - 850W output to fuel high-end CPUs and GPUs without breaking a sweat.
GOLD STANDARD EFFICIENCY - 80 Plus Gold certification ensures up to 90% energy efficiency, cutting waste and heat.
FUTURE READY CONNECTIVITY - Native PCIe 5.0 16-pin connector delivers up to 600W to next-gen GPUs—no adapters needed.

The MSI MPG A850G PCIE5 is an 850W, 80 Plus Gold certified, fully modular ATX 3.0 power supply designed for high-performance gaming and creative PCs. It features native PCIe 5.0 support with a 16-pin connector for up to 600W GPU power, premium Japanese 105°C capacitors for durability, and a 0% RPM fan mode for near-silent operation. With advanced protections and a 10-year warranty, it offers efficient, reliable, and future-proof power delivery in a clean, cable-managed design.

Specifications

ASIN	B0BQJPPNTM
Best Sellers Rank	3,437 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 12 in Power Supplies
Brand Name	MSI
Compatible Devices	Personal Computer
Connector Types	PCI Express
Cooling Method	Air
Country of Origin	China
Customer Reviews	4.7 4.7 out of 5 stars (218)
EU Spare Part Availability Duration	10 Years
Fan Size	120 Millimetres
Form Factor	ATX
Item Dimensions	15 x 15 x 8.6 centimetres
Item Weight	3.15 Kilograms
Manufacturer	MSI
Manufacturer Part Number	MPG A850G PCIe5
Maximum Input Voltage	240 Volts
Minimum Input Voltage	100 Volts
Model Name	MPG A850G PCIE5
Model Number	MPG A850G PCIE5
Number of Fans	1
Number of Items	1
Number of Packs	1
Output Wattage	850
Power Supply Design	Full Modular
Product Warranty	10 Years
System Bus Connector Type	ATX
Unit Count	1.0 count
Upper Temperature Rating	105 Degrees Celsius
Wattage	850 watts

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