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Asus Strix AMD AM4 B550-A ATX Gaming Motherboard

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Model: 90MB15J0-M0UAY0 Ask a question about this item

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Today's Price:

$308.60incl gst

Free Delivery

In Stock. Can Ship Today - Details

Estimated Delivery Time

  • Auckland
    1 Day
  • North Island
    1-2 Days
  • South Island
    1-3 Days

Product Description:

Asus Strix AMD AM4 B550-A ATX Gaming Motherboard

Designed for those seeking to get the most out of their build, ROG Strix B550 Gaming series motherboards offer a feature-set usually found in the higher-end ROG Strix X570 Gaming series, including the latest PCIe 4.0 connectivity. Offering robust power delivery and effective cooling, ROG Strix B550-A Gaming is well-equipped to handle 3rd Gen AMD Ryzen CPUs. As an added bonus, outstanding performance is complemented by a stunning silver-and-white finish and cyberpunk-inspired aesthetics that present a standout look.


Advance Your Gaming Immersion:
ROG Strix B550-A Gaming is PCIe 4.0-ready and provides the latest connectivity options for super-smooth networking and blisteringly fast file transfers. Audio enhancements give you a massive advantage, allowing you to pick up on the subtlest of cues for a completely immersive gaming experience.

All-round Performance:
ROG Strix B550-A Gaming provides robust power delivery to fuel Ryzen’s cores, comprehensive cooling, and support for faster memory — so it has everything you need to load up your build with high-performance components for playing in the big leagues.

Play Your Own Style:
The cyberpunk-inspired aesthetics of ROG Strix B550-A Gaming are accentuated by the bold slashes and cybertext. By pairing your rig with other products from the diverse ROG ecosystem, you can create a fully customized gaming setup that reflects your personal style.


• AMD AM4 Socket for AMD Ryzen 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors

• AMD B550 Chipset

• DIMM Slots: 4
• Maximum Memory Supported: 128GB
• Memory Frequency Supported: 5100(O.C), 4800(O.C.), 4600(O.C), 4400(O.C), 4133(O.C.), 4000(O.C.), 3866(O.C.), 3600(O.C.), 3466(O.C.), 3200, 3000, 2800, 2666, 2400, 2133 MHz Un-buffered Memory

• 1x HDMI 2.1(4K@60HZ)
• 1x DisplayPort 1.2

Multi-GPU Support:
• Supports AMD 2-Way CrossFireX Technology

Expansion Slots:
• 1x PCIe 3.0 x16 (x4 mode)
• 3x PCIe 3.0 x1
• 1x PCIe 4.0 x16 (x16 mode)
• 1x PCIe 3.0 x16 (x16 mode)

• 2x M.2 slots
• 6x SATA 6Gb/s ports
• M.2 Support: type 2242/2260/2280/22110 storage devices support
• SATA Support: Raid 0, 1, 10

• Intel I225-V 2.5Gb Ethernet
• Support: ASUS LANGuard

• ROG SupremeFX8-Channel High Definition Audio CODEC S1220A
• Playback Support: up to 32-Bit/192kHz
• Feature: SupremeFX Shielding Technology, Gold-plated jacks, Audio Shielding, Premium Japanese audio capacitors, Audio Cover, Optical S/PDIF in ports at back panel

• Front USB Port ( Total 6 ), Rear USB Port ( Total 8 )
• 4x USB 3.2 Gen 1 ports (4 x Type-A)
• 2x USB 3.2 Gen 2 ports (1 x Type-A +1 x USB Type-C)
• 2x USB 3.2 Gen 1 ports
• 2x USB 2.0 ports
• 4x USB 2.0 ports

Back I/O Ports:
• 1x BIOS FlashBack Button(s)
• 2x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
• 1x Intel I225-V 2.5Gb Ethernet
• 4x USB 3.2 Gen 1
• 1x DisplayPort
• 1x HDMI
• 2x USB 2.0
• 1x Optical S/PDIF out
• 5x Gold-plated audio jacks

Internal I/O Ports:
• 1x M.2 Socket 1 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
• 1x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
• 1x USB 3.2 Gen 1(up to 5Gbps) connectors supports additional 2 USB 3.2 Gen 1 ports
• 1x Thunderbolt headers
• 1x CPU Fan connectors
• 1x CPU OPT Fan connectors
• 3x Chassis Fan connectors
• 1x AIO_PUMP connector
• 1x AAFP connector
• 2x Aura RGB Strip Headers
• 1x Addressable Gen 2 headers
• 2x USB 2.0 connectors supports additional 4 USB 2.0 ports
• 6x SATA 6Gb/s connectors
• 1x 24-pin EATX Power connectors
• 1x 8-pin ATX 12V Power connectors
• 1x 4-pin ATX 12V Power connectors
• 1x System panels
• 1x Thermal sensor connectors
• 1x Clear CMOS jumpers

• 256 Mb Flash ROM, UEFI AMI BIOS


Operating System:
• Windows 10 64-bit

Form Factor:
• ATX Form Factor

Package Contents:

• 1 x M.2 SSD screw package(s)
• 1x M.2 Rubber Package(s)
• 1x User´s manual
• 4x SATA 6Gb/s cable(s)
• 1x Supporting DVD
• 1x ROG Strix stickers
• 1x Cable ties pack(s)
• 1x Extension cable for Addressable LED
• 1x ROG Thank you card

We are operational & shipping orders throughout all COVID alert levels. Couriers will provide a contactless delivery service. Please note our dispatch and delivery time frames may extend during this period. For more information Click Here


We are an Asus authorised reseller

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Additional Details:

  • Stock Availability: 30 In Stock Now
  • Warranty: Supported by Manufacturer
  • Manufacturer: Asus Shop
  • Product Found In: AMD Motherboards
  • Model Number: 90MB15J0-M0UAY0
  • Part Number: SY12904