We're finishing our supply arrangements. Prices and stock here are live — ordering reopens shortly.

Asus PRIME B550M-K ARGB AMD AM4 mATX Motherboard

Name: Asus PRIME B550M-K ARGB AMD AM4 mATX Motherboard
Brand: Asus
Price: 12200 BDT
Availability: InStock

Model: PRIME B550M-K ARGBItem #: asus-prime-b550m-k-argb-motherboard

৳12,200~~৳12,500~~Save 2%

In stockverified 22 Sept 2026

Ordering is paused

We're finishing our supply arrangements. Prices and stock here are live — ordering reopens shortly.

Delivery

Inside Dhaka: ৳60 · 1–2 days
Outside Dhaka: ৳120 · 2–4 days

Sold by Micro

Key highlights

AMD B550 Chipset
2 M.2 slots
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. RAM type
micro-ATX Form Factor; 9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm )

Overview

Asus TUF GAMING A520M-PLUS II AMD AM4 microATX Motherboard

The Asus PRIME B550M-K ARGB motherboard is a dependable and performance-oriented option for those building a modern AMD system, providing the ideal blend of efficiency, connection, and longevity. It is built with the AMD B550 chipset and AMD Socket AM4 and supports a wide range of processors, including Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series desktop CPUs. For memory, the Asus PRIME B550M-K ARGB motherboard has two DIMM slots that can support up to 64GB DDR4 at speeds of up to 5100MHz when overclocked, and it uses a dual-channel design with ECC support depending on the CPU. In terms of graphics, the motherboard includes one DisplayPort 1.4 and one HDMI 2.1 port, both of which may support 4K at 60Hz, though performance may vary depending on the CPU. The Asus PRIME B550M-K ARGB motherboard offers three expansion slots: a PCIe 4.0 x16 slot for Ryzen 5000 and 3000 series processors, a PCIe 3.0 x16 slot for Ryzen G-Series CPUs, and a PCIe 3.0 x1 slot for extra cards. Storage is diverse, with two M.2 slots and four SATA 6Gb/s ports that support PCIe and SATA modes, as well as RAID 0, 1, and 10. The Asus PRIME B550M-K ARGB motherboard includes Realtek 1Gb Ethernet networking, as well as Realtek 7.1 Surround Sound High Definition Audio CODEC with superior capacitors, shielding, and 24-bit/192 kHz playback. The back panel features USB 3.2 Gen 1, USB 2.0, DisplayPort, HDMI, Ethernet, audio connectors, and a PS/2 combination port. Internal interfaces include CPU and chassis fan headers, addressable Gen 2 headers, M.2 slots, SATA ports, USB 3.2 Gen 1 and USB 2.0 headers, a TPM, and more. The Asus PRIME B550M-K ARGB motherboard includes ASUS 5X Protection III, Q-Design, Aura Sync ARGB support, AI Suite 3, Armoury Crate, Fan Xpert 2+, and a user-friendly UEFI BIOS featuring CrashFree BIOS 3 and EZ Flash.

Specifications

Chipset: AMD B550 Chipset
M.2 slots: 2
RAM type: 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.
Form factor: micro-ATX Form Factor; 9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm )
Memory — Type: DDR4
Memory — Slots: 2 x DIMM
Highlights — Model: PRIME B550M-K ARGB
Graphics — 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.

Show all 28 specifications

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
Highlights — Features: 2 x M.2 slots, Realtek 1Gb Ethernet
Memory — Maximum Memory: 64GB
Basic Information — BIOS: 128 Mb Flash ROM, UEFI AMI BIOS
Connector & Ports — HDMI: 1 x HDMI port
Connector & Ports — RAID: AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10.
Basic Information — 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.
Connector & Ports — Audio: 3 x Audio jacks
Others — Bundled Software: ASUS Exclusive Software; Armoury Crate; - Aura Creator; - Aura Sync; AI Suite 3; - Performance And Power Saving Utility; TurboV EVO; EPU; DIGI+ VRM; Fan Xpert 2+; - EZ update; ASUS CPU-Z; Norton 360 Deluxe (60 Days Free Trial); WinRAR; UEFI BIOS; ASUS EZ DIY; - ASUS CrashFree BIOS 3; - ASUS EZ Flash 3; - ASUS UEFI BIOS EZ Mode
Others — Special Features: ASUS 5X PROTECTION III; - DIGI+ VRM; - LANGuard; - Overvoltage Protection; - SafeSlot Core; - Stainless-Steel Back I/O; ASUS Q-Design; - Q-DIMM; - Q-LED Core; - Q-Slot; ASUS Thermal Solution; - Aluminum heatsink design; Aura Sync; - Addressable Gen 2 headers
Highlights — Supported RAM: 2 x DDR4 DIMM slots, Max. 64GB, Up to 5100 Mhz (OC)
Connector & Ports — USB (s): 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
Highlights — Graphics Output: 1 x DisplayPort, 1 x HDMI
Connector & Ports — LAN Port (s): 1 x Realtek 1Gb Ethernet
Basic Information — Supported CPU: AMD Socket AM4 for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Connector & Ports — Display Port (s): 1 x DisplayPort
Connector & Ports — 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
Connector & Ports — Internal I/O Ports: 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
Warranty Information — Manufacturing Warranty: 3 Years
Connector & Ports — TPM (Trusted Platform Module ): 1 x SPI TPM header (14-1 pin)

Compare with similar products

	This itemAsus PRIME B550M-K ARGB AMD AM4 mATX Motherboard	GIGABYTEGIGABYTE B450M DS3H WIFI AM4 AMD Micro ATX Motherboard	GIGABYTEGigabyte H810M H LGA1851 mATX Motherboard	AsusASUS PRIME H610M-K D4 mATX Motherboard
Price	৳12,200	৳12,000	৳12,200	৳12,200
Availability	In stock	Out of stock	In stock	Out of stock
Brand	Asus	GIGABYTE	GIGABYTE	Asus
M.2 slots	2	1	1	—
RAM type	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.	Support for DDR4 3600(O.C.)/3466(O.C.)/2933/2667/2400/2133 MHz memory modules; Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode); Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules; Support for Extreme Memory Profile (XMP) memory modules; (Please refer "Memory Support List" for more information.)	Support for DDR5 6400/5600 MT/s memory modules; Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode); Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules; Support for Extreme Memory Profile (XMP) memory modules; (The CPU and memory configuration may affect the supported memory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)	3200/ 3000/ 2933/ 2800/ 2666/ 2400/ 2133 Non-ECC, Un-buffered Memory*; Dual Channel Memory Architecture; Supports Intel Extreme Memory Profile (XMP)
Form factor	micro-ATX Form Factor; 9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm )	Micro ATX Form Factor; 24.4cm x 21.5cm	Micro ATX Form Factor; 24.4cm x 21.5cm	mATX Form Factor; 9.2 inch x 8.0 inch ( 23.4 cm x 20.3 cm )
Chipset	AMD B550 Chipset	AMD B450	Intel H810 Express Chipset;	Intel H610 Chipset