Skip to main contentSkip to footer
1 of 7

Overview

Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors / Supports DDR4 Memory, up to 4400(OC) MHz / M.2 Gen3 x4, AMD Turbo USB 3.2 GEN 2 / Core Boost, DDR4 Boost / Supports AMD Crossfire™/ Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions/ Audio Boost

MSI B550 Gaming GEN3 Gaming Motherboard (Supports AMD Ryzen 5000/4000 Series CPU, AM4, DDR4, PCIe 3.0, SATA 6Gb/s, M.2, USB 3.2 Gen 1, HDMI, ATX)

Model: B50GAMGEN3
Web Code: 16577398
Sold and shipped by | 3.5 seller rating (632 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors

Supports DDR4 Memory, up to 4400(OC) MHz

Lightning Fast Game experience: Turbo M.2 Gen3 x4, AMD Turbo USB 3.2 GEN 2

Enhanced Power Design: Core Boost, DDR4 Boost

MULTI-GPU: With STEEL ARMOR PCI-E slots. Supports AMD Crossfire™

Flash BIOS Button with Optmized ClearCMOS Function: Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions.

Audio Boost: Reward your ears with studio grade sound quality

Product Condition
Brand New
Motherboard Form Factor
ATX
Year of Original Release
2022
CPU Socket Type
AM4
Processors Supported
AMD Ryzen 5000/4000G/3000 Series
Supported Processor Chipset Make
AMD
Multi-GPU Support
CrossFireX Ready
Chipset
AMD B550
Memory Channel Architecture
Dual Channel
Computer RAM Type
DDR4
Memory Supported
DDR4
RAM Pin Configuration
288-Pin
Memory Slots
4
Maximum Memory Supported
128GB GB
Built-in Audio
Yes
M.2 Slot
1
PCIe Generation
PCIe 3.0
PCI Express X1 Slots
2
PCI Express X4 Slots
0
PCI Express X8 Slots
0
PCI Express X16 Slots
2
Ethernet Port
1
USB 2.0 Ports
6
USB 3.0 Ports
4
USB 3.1 Ports
2
USB 3.1/3.2 Gen 2 Ports
2
USB Type C Port
0
HDMI Port
1
DVI Port
1
Other Video Ports
1x HDMI, 1x DVI-D
Other Audio Ports
Audio Connectors
SATA II 3.0Gb/s Ports
0
SATA III 6.0Gb/s Ports
6
Other Technologies
Core Boost, Turbo M.2

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Computer components
Return/Exchange Period
30 days
Condition
Unopened

We can only acceept returns that are in their original packaging and do recommend customers check manufacturer's warranties for exclusions.

Learn more about returning a Marketplace product