Want it by tomorrow? Order within for next business day delivery 21 hours 44 mins 46 secs

MSI AM4 B550-A PRO 1.62 kg

Regular price £94.77£113.72 (VAT Excl.)(VAT Incl.)

  • Audio Boost
  • Lightning Gen4 Solution

Vendor:MSI SKU: B550-A PRO Barcode: 4719072733667

Product Specification

  • Processor Manufacturer: AMD
  • Maximum Number of SMP Processors: 1
  • Compatible Processor Series: AMD Ryzen
  • Processor Socket: AM4
  • Maximum Internal Memory: 128 GB
  • ECC: Yes
  • Non-ECC: Yes
  • Supported Memory Clock Speeds: 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4800 MHz
  • Supported Memory Types: DDR4
  • Memory Channels: Dual-channel
  • Unbuffered Memory: Yes
  • Memory Slots Type: DIMM
  • Number of Memory Slots: 4
  • Supported Memory Clock Speed (Max): 4400 MHz
  • ECC Compatibility: ECC & Non-ECC
  • Height: 65 mm
  • Width: 305 mm
  • Depth: 244 mm

Box Content

  • MSI B550-A PRO AM4 ATX Motherboard

Documents

Technical Features

  • Processor Support: Supports AMD Ryzen 5000, 4000 G-Series, and 3000 Series desktop processors
  • Chipset: Utilizes the AMD B550 chipset
  • Form Factor: Standard ATX
  • Memory: Four DDR4 memory slots with up to 128GB capacity
  • Storage: Two M.2 slots and six SATA 6Gb/s ports
  • Expansion Slots: One PCIe 4.0 x16 and one PCIe 3.0 x16 slot
  • LAN: 1GbE LAN port for wired internet access
  • Audio: Realtek ALC892/ALC897 7.1-channel high definition audio
  • Internal Headers: Chassis fans, USB, and RGB lighting

Description

The MSI B550-A PRO is an ATX motherboard designed around the AMD B550 chipset for the AM4 socket. It provides native compatibility with AMD Ryzen 5000, 4000 G-Series, and 3000 Series processors, establishing a stable foundation for professional and high-performance builds. The primary steel-reinforced PCIe 4.0 x16 slot supplies maximum bandwidth for modern graphics cards. The board's power delivery system is supplemented by an 8-pin EPS connector, which contributes to reliable operation under sustained CPU loads.

 

You May Also Like

Help & Advice

Shipping

What are the delivery charges?

UK mainland delivery is a flat £9 (inc. VAT), with orders placed before 2:45pm dispatched for next business day delivery. Northern Ireland delivery is £15 (inc. VAT), with an estimated delivery time of 48 hours. For unusually large or heavy orders, additional charges may apply — in these cases we'll contact you before dispatch to confirm.

When will I receive my order?

We offer next business day delivery across UK mainland for orders placed before 2:45pm, and a 48-hour delivery estimate for Northern Ireland. Delivery times may occasionally vary due to courier delays — if anything changes, we'll let you know.

How can I contact Wisecoms?

The Wisecoms team is available every day from 9:00am to 5:30pm. You can reach us by phone on 03300 888 588, by email at sales@wisecoms.com, or via our contact us page.

Returns and Refunds

How do I return a product?

We offer 14 days to return a product if it's unwanted, and 30 days if the product is faulty or damaged. To start a return, contact our team on03300 888 588orsales@wisecoms.com. We'll arrange collection of the equipment ourselves, with full instructions provided ahead of pickup. Products must be returned in their original packaging and in resaleable condition to qualify for a refund or exchange.Find out more about returns.

How can I cancel an order?

You can cancel your order at any time by contacting our team on 03300 888 588 or sales@wisecoms.com. Any amount paid will be refunded to your original payment method as quickly as possible.

Note: if you cancel after your order has already been dispatched, we'll process your refund once the returned package is received back.

How long will my refund take?

Once we receive your returned item, we'll process your refund back to your original payment method within 3–5 working days. If you'd like a credit note for your records instead, just get in touch.

Shop By Brands