Asus PRIME B550M-K ARGB AMD AM4 mATX DDR4 Motherboard

Product ID: UT-13116
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Key features

Full specs

Supported CPURyzen 5000/4000/3000 Series Processors for Socket AM4
Supported RAM2 x DDR4 DIMM slots, Max. 64GB, Up to 5100 Mhz (OC)
Features2 x M.2 slots, Realtek 1Gb Ethernet
Graphics Output1 x DisplayPort, 1 x HDMI

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Specifications

Key Specifications

Processor Type	AMD
Socket	AM4
Chipset	AMD B550
Form Factor	Micro ATX

RAM Type	DDR4
Maximum Memory	64GB
Features	M.2, RGB, USB Type-C

Processor

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

Memory

Memory	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.

Expansion & Storage

Expansion Slots	PCI: 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 Slots: 2 x DIMM

Storage

M.2 Socket: 2 x M.2 slots Supported 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 RAID: AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10.

Graphics & Display

Onboard 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.

Display Outputs	Display Port (s): 1 x DisplayPort HDMI: 1 x HDMI port

Networking

LAN	1 x Realtek 1Gb Ethernet

Audio

Audio	3 x Audio jacks

Ports & Connectors

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

Internal Connectors

Fan and Cooling related 1 x 4-pin CPU Fan header 2 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 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 Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin System Panel header

Other Features

BIOS	128 Mb Flash ROM, UEFI AMI BIOS

Special Features	1 x SPI TPM header (14-1 pin)

Warranty

Warranty	3 Years

Disclaimer: Product photos are for illustration only — the actual product may differ in colour, packaging or appearance. Specifications and features can change without notice from the manufacturer, so please confirm anything important with our team before you order. Prices, offers and stock are subject to change.

Overview

Asus PRIME B550M-K DDR4 Motherboard

Asus PRIME B550M-K ARGB Motherboard is designed to deliver powerful performance, stability, and versatility for AMD Ryzen processors. Built on the AMD B550 chipset, it supports next-generation connectivity and high-speed memory, making it an ideal choice for both gaming and productivity setups.

Processor and Chipset Support

This motherboard supports a wide range of AMD Socket AM4 processors, including the Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series desktop CPUs. The robust B550 chipset ensures improved PCIe bandwidth and efficient power delivery, enhancing performance for high-end tasks and gaming applications.

Memory and Storage

The PRIME B550M-K ARGB comes with 2 DDR4 DIMM slots, supporting up to 64GB of dual-channel memory with speeds up to 5100MHz (OC). It offers seamless multitasking and faster data handling for demanding workloads.

For storage, it features 2 x M.2 slots and 4 x SATA 6Gb/s ports, supporting both PCIe 4.0/3.0 x4 and SATA modes depending on the processor used. This configuration allows users to enjoy ultra-fast SSD performance and large storage capacity simultaneously.

Graphics and Display

The motherboard includes 1 x DisplayPort and 1 x HDMI 2.1 port, supporting up to 4K@60Hz display resolution. Depending on the CPU model, users can enjoy crisp visuals and smooth frame rates for creative work, entertainment, or gaming.

Expansion and Connectivity

With a micro-ATX form factor (24.4 cm x 22.1 cm), it provides excellent expansion options.

PCIe Slots: 1 x PCIe 4.0/3.0 x16 slot and 1 x PCIe 3.0 x1 slot for graphics cards or add-on devices.
USB Connectivity: Up to 13 USB ports in total (6 rear, 7 front), including USB 3.2 Gen 1 Type-A and Type-C connections for high-speed data transfer.
LAN: Equipped with a Realtek 1Gb Ethernet port for reliable wired networking.

Audio and Special Features

Enjoy premium audio quality with Realtek 7.1 Surround Sound High Definition Audio CODEC, enhanced by audio shielding, premium capacitors, and dedicated audio PCB layers.

The motherboard also includes ASUS 5X PROTECTION III, ensuring long-term durability with features like SafeSlot Core, LANGuard, and Overvoltage Protection. Additionally, ASUS Q-Design simplifies installation and maintenance with Q-DIMM and Q-LED Core indicators.

Software and Lighting

The Aura Sync RGB lighting allows full customization via Armoury Crate and Aura Creator, letting users personalize their setups with synchronized lighting effects.

Bundled software such as AI Suite 3, Fan Xpert 2+, and TurboV EVO help optimize system performance and cooling control.

Conclusion

The Asus PRIME B550M-K ARGB motherboard combines performance, reliability, and aesthetics in a compact form factor. With its advanced cooling design, high-speed connectivity, and support for powerful Ryzen CPUs, it’s an excellent choice for users seeking a feature-rich foundation for a modern, future-ready PC build.

Features

Supports AMD Ryzen 5000, 5000 G-Series, 4000 G-Series & 3000 Series Desktop Processors
Equipped with AMD B550 chipset for enhanced performance and stability
Dual-channel DDR4 memory support up to 64GB, speeds up to 5100MHz (OC)
2 x M.2 slots and 4 x SATA 6Gb/s ports for ultra-fast storage options
PCIe 4.0 x16 slot for next-gen graphics card compatibility
Integrated HDMI 2.1 and DisplayPort 1.4 supporting 4K@60Hz output
Realtek 7.1 Surround Sound HD Audio CODEC with premium audio capacitors
Realtek 1Gb Ethernet for stable network connectivity
Multiple USB options: up to 13 ports including USB 3.2 Gen 1 Type-A & Type-C
ASUS 5X Protection III for enhanced reliability and durability
Q-DIMM and Q-LED Core features for easier installation and troubleshooting
Aura Sync RGB lighting with 3 x Addressable Gen 2 headers
AI Suite 3 and Fan Xpert 2+ software for performance and cooling optimization
Compact micro-ATX form factor (24.4cm x 22.1cm) suitable for most PC cases

Buy Asus PRIME B550M-K ARGB AMD AM4 mATX DDR4 Motherboard from Ultra Technology

Get the Asus PRIME B550M-K ARGB AMD AM4 mATX DDR4 Motherboard from Ultra Technology for ৳12,200 and enjoy a stable, feature-rich base for your next build. It's an excellent choice for PC builders who want room to grow at the best price in Bangladesh.

See more from Asus, explore more Asus AMD Motherboard, browse our full range of PC Components, or build your own PC with compatible parts. Every order comes with official warranty, 0% EMI on popular bank cards and fast delivery across Bangladesh — or visit our showroom at Multiplan Center, Dhaka.

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Common questions

Does this come with an official warranty?

Yes — 3 years. Claims are handled at our RMA & Service Center, Suite 1413, Multiplan Center.

Can I buy this on EMI?

Yes, EMI is available with credit cards of our partner banks on orders over ৳5,000. Tap “View more” under Promotional information to see the monthly amounts.

Is it available at the showroom right now?

Yes — it's in stock at our Multiplan Center showroom (Level 5). Call 01771-833944 to hold one.

How long does delivery take?

Inside Dhaka within 24 hours; outside Dhaka 2–3 working days by courier.

Is it brand new and sealed?

Yes — every unit is brand new in its original sealed box, with the invoice.

Do you give a better price on bulk orders?

Yes — for corporate or bulk orders call 01898-883492 for a quote.