Does it support Ryzen 5000 series out of the box?

OP is correct. This board will not support 5900 series, however some older series such as 5600 will run out of the box. Flashing the BIOS or using an older gen Ryzen to update it is needed to support.

Plug and play with ryzen 5000 series out of box?

I purchased this board and came with A20 bios not compatible with my 5600x updated bios and everything now works 🙂

What psu does this need?

PSU would depend on the CPU and Graphics card you have installed. Generally, 750-850w is the sweet spot to give you plenty of power headroom. depending on the Graphics card/CPU you have. Remember, Power is DRAWN not given from the PSU. That means if a product needs 100w and you have a 850u, it will only draw 100w. Graphics cards are what eat your PSU power, as they range from 150-350w alone. Fans and AIO coolers. are also included in your power consumption. so remember that. Always leave plenty of headroom. for upgrades or power spikes. ( Especially if you're lucky enough to have a RTX 30XX CARD)

how many fan headers are there

6 System Fan headers. 1xCPU 1xPump

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MAG B550 TOMAHAWK

Product ID: 210884901

Details

Brand
MSI
CPU model
Ryzen 9
CPU socket
Socket AM4
Chipset type
AMD B550
Compatible devices
Personal
Compatible processors
AMD Ryzen 3rd

⚡PCIe 4.0 lightning-fast data transfer

🌐Dual LAN 2.5G + Gigabit for ultra-smooth networking

🧠Supports up to 128GB DDR4 4866 MHz RAM

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€ 564.13

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Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Power your build with the MAG B550 TOMAHAWK – where speed meets style!

CUSTOMIZABLE RGB VIBES - Mystic Light controls 16.8M colors & 29 effects to match your unique style with one click.
NEXT LEVEL SPEED POWER - Harness 3rd Gen AMD Ryzen 9 for unstoppable performance and multitasking mastery.
BLAZING FAST CONNECTIVITY - Dual M.2 slots with PCIe 4.0 and USB 3.2 Gen2 keep your data flying at top speeds.
IMMERSIVE AUDIO EXPERIENCE - Audio Boost delivers studio-grade sound that puts you in the center of the action.
ROCK SOLID COOLING DURABILITY - Extended heatsinks, 7 W/mK thermal pads, and thick copper PCB ensure peak performance under pressure.

The MSI MAG B550 TOMAHAWK motherboard is engineered for professionals and gamers seeking cutting-edge performance. It supports 3rd Gen AMD Ryzen processors with PCIe 4.0 for ultra-fast data transfer, up to 128GB of DDR4 RAM at 4866 MHz, and dual LAN ports (2.5G + Gigabit) for superior networking. Enhanced thermal solutions and customizable RGB lighting make it a powerhouse that looks as good as it performs.

Specifications

ASIN	B08B4V583Q
Available Memory Slots	4
Best Sellers Rank	48,503 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 387 in Motherboards
Box Contents	CARD, m BOARD
Brand Name	MSI
CPU Model	Ryzen 9
Chipset Type	AMD B550
Compatible Devices	Personal Computer, Desktop
Compatible Processors	AMD Ryzen 3rd generation, future AMD Ryzen processors
Customer Reviews	4.6 4.6 out of 5 stars (3,033)
Global Trade Identification Number	04719072728625
Graphics Card Interface	PCI Express
Item Dimensions L x W x H	30.5L x 3.8W x 24.4H centimetres
Item Type Name	MSI MAG B550 TOMAHAWK MOTHERBOARD
Item Weight	1.3 Kilograms
Main Power Connector Type	24-Pin
Manufacturer	MSI
Manufacturer Part Number	MAG B550 TOMAHAWK
Memory Clock Speed	4866 MHz
Memory Storage Capacity	128 GB
Model Name	MAG B550 TOMAHAWK
Model Number	7C91-001R
Number of Ethernet Ports	2
Number of Ports	17
Platform	Windows 10
Processor Socket	Socket AM4
Product Warranty	3 Year Manufacturer
RAM Memory Technology	DDR4
Ram Memory Maximum Size	128 GB
S/PDIF Connector Type	Optical
System Bus Standard Supported	SATA 3
Total PCIe Ports	2
Total SATA Ports	6
Total USB Ports	9
USB 2.0	2
Unit Count	1.0 count

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