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ASUS AMD PRIME B550M-K ARGB (Ryzen AM4) Micro-ATX Motherboard, DDR4 64GB, PCIe 4.0, 2× M.2, 1GbE, Aura Sync — ASUS
ASUS

ASUS AMD PRIME B550M-K ARGB (Ryzen AM4) Micro-ATX Motherboard, DDR4 64GB, PCIe 4.0, 2× M.2, 1GbE, Aura Sync

Part number MBA-B550M-K-ARGB

$125.95

Includes GST · $11.45 GST

In stock

Same-day dispatch — order by 1pm and it leaves today.

4–8 hour delivery $50 in VIC, NSW, QLD, SA, WA, or next business day depending on courier load. Standard delivery $20, 1–3 business days. Free over $1,000.

Need it installed? Ask for a supply-and-install quote — usually cheaper than sourcing an installer separately.

Description

ASUS AMD PRIME B550M-K ARGB (Ryzen AM4) Micro-ATX Motherboard

•Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
•AMD AM4 Socket: Ready for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
•Ultrafast Connectivity: PCIe 4.0, dual M.2 slots, Realtek 1Gb Ethernet, rear USB 3.2 Gen 1 ports and front USB 3.2 Gen 1 Type-C®
•Comprehensive Cooling: PCH heatsink, hybrid fan headers and Fan Xpert 2+
•Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers for RGB LED strips, easily synced with Aura Sync-capable hardware

SPECIFICATIONS
Model
PRIME B550M-K ARGB

News & Updates
CPU
AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors*
* Refer to www.asus.com for CPU support list.

Chipset
AMD B550 Chipset

Memory
2 x DIMM slots, Max. 64GB, DDR4 5100(OC)/4866(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133, Un-buffered Memory*
Dual Channel Memory Architecture
* ECC memory (ECC mode) support varies by CPU.
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/.

Graphics
1 x DisplayPort**
1 x HDMI™ port***
* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
** Supports max. 4K@60Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.

Expansion Slots
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x16 mode)
AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x1 slot
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals.

Storage
Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports*
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes)
AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)
AMD B550 Chipset
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
4 x SATA 6Gb/s ports
* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10.

Ethernet
1 x Realtek 1Gb Ethernet

Wireless & Bluetooth
USB
Rear USB (Total 6 ports)
4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
Front USB (Total 7 ports)
1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C®)
1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports

Audio
Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

BIOS
128 Mb Flash ROM, UEFI AMI BIOS

Manageability
WOL by PME, PXE

Operating System
Windows® 11, Windows® 10 64-bit

Form Factor
micro-ATX Form Factor
9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm )
  • Australia-wide deliveryMelbourne metro typically 1–3 business days.
  • Full manufacturer warrantyWe administer claims for you.
  • Installed by the people who sell itAsk for a combined supply-and-install price.

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Ask about ASUS AMD PRIME B550M-K ARGB (Ryzen AM4) Micro-ATX Motherboard, DDR4 64GB, PCIe 4.0, 2× M.2, 1GbE, Aura Sync

Quantities, lead time, compatibility or a supply-and-install price on the MBA-B550M-K-ARGB — send it through and we will come back the same business day.

  • Trade-informed pricingDistributor cost plus a transparent margin, not a retail markup.
  • Anything in the rangeThe catalogue online is a fraction of what we can order — ask for a part number.
  • Supply and installWant it fitted? Ask for a combined quote; the labour is usually where the saving is.
  • Australia-wide deliveryMelbourne metro 1–3 business days, with express where the stock is local.
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