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

Asus Prime B550M-K AM4 Micro ATX AMD Motherboard

Name: Asus Prime B550M-K AM4 Micro ATX AMD Motherboard
Brand: Asus
Price: 12500 BDT
Availability: OutOfStock

Model: Asus Prime B550M-KItem #: asus-prime-b550m-k-amd-motherboard

৳12,500

Out of 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
AMD Ryzen 5000 Series/ 3000 Series Desktop Processors: ; 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory; ; AMD Ryzen 4000 G-Series Processors:; 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory RAM type
mATX Form Factor; 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Overview

Boasting a robust power design, ASUS Prime series is expertly engineered with comprehensive cooling solutions and intelligent tuning options. Prime B550 series motherboards offer daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. The Prime B550 motherboard packs flexible tools to tune every aspect of user's system, enabling user to tweak performance settings maximizing the productivity. It provides intelligently simplified options for PC DIY beginners, as well as comprehensive features for seasoned veterans. A built-in search feature makes it easy to find options, and various Advanced functions lets user intelligently make nuanced adjustments so that users can dial in performance just the way they want. Coupled with that, EZ mode displays vital settings and stats also offers guided wizards, drag-and-drop functionality, and one-click application of important settings. Additionally, Prime B550M-K is engineered with an array of hybrid fan headers and features comprehensive cooling controls while owning multiple temperature sources and smart protection. It also provides all the fundamentals to boost daily productivity. This creates a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform. Its audio system features audio shielding, separate layer for left and right tracks and the premium Japanese capacitors which offers an immersive sound. Armoury Crate provides control of settings for ASUS products, including keyboard and mouse preferences. The exclusive Prime B550M-K comes with 03 years of warranty.

Specifications

Chipset: AMD B550
RAM type: AMD Ryzen 5000 Series/ 3000 Series Desktop Processors: ; 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory; ; AMD Ryzen 4000 G-Series Processors:; 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
Form factor: mATX Form Factor; 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )
Memory — Type: Dual Channel DDR4 Memory Technology
Memory — Slots: 4 x DIMM;
Highlights — Model: Asus Prime B550M-K
Expansion Slots — PCI: AMD Ryzen 5000 Series/ 3000 Series Desktop Processors; 1 x PCIe 4.0 x16 (x16 mode); AMD Ryzen 4000 G-Series Processors; 1 x PCIe 3.0 x16 (x16 mode); AMD B550 Chipset; 2 x PCIe 3.0 x 1
Memory — Maximum Memory: 128GB, DDR4

Show all 22 specifications

Basic Information — BIOS: 256 MB Flash ROM, UEFI AMI BIOS
Connector & Ports — HDMI: 1 x HDMI 2.1 (4K@60Hz)
Connector & Ports — Audio: Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC *; - Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback; Audio Feature :; - LED-illuminated design; - Audio Shielding; - Dedicated audio PCB layers; - Premium Japanese audio capacitors
Others — Bundled Software: ASUS Exclusive Software; Armoury Crate; AI Suite 3; - Performance And Power Saving Utility; TurboV EVO; EPU; Digi+ VRM; Fan Xpert 2+; - EZ update; ASUS CPU-Z; AI Charger; DAEMON Tools; Norton Anti-virus software (Free Trial for 60 days); 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; - ASUS DIGI+ VRM; - ASUS LANGuard; - ASUS Overvoltage Protection; - ASUS SafeSlot Core; - ASUS Stainless-Steel Back I/O; ASUS Q-Design; - ASUS Q-DIMM; - ASUS Q-Slot; ASUS Thermal Solution; - Aluminum heatsink design; ASUS Lighting Control
Connector & Ports — USB (s): Rear USB Port ( Total 6 ); 2 x USB 3.2 Gen 2 port(s)(2 x Type-A); 4 x USB 3.2 Gen 1 port(s)(4 x Type-A); ; Front USB Port ( Total 6 ); 2 x USB 3.2 Gen 1 port(s)(2 x Type-A); 4 x USB 2.0 port(s)(4 x Type-A)
Connector & Ports — D-Sub (s): 1 x D-Sub
Connector & Ports — DVI-D (s): 1 x DVI-D
Connector & Ports — LAN Port (s): Realtek RTL8111H 1GB Ethernet; ASUS LANGuard
Basic Information — Supported CPU: AMD AM4 Socket for AMD Ryzen 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
Connector & Ports — Supported Storage: Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports; AMD Ryzen 5000 Series/ 3000 Series Desktop Processors :; 1 x M.2_1 socket 3, with M Key, Type 2242/2260/ 2280/ 22110(PCIE 4.0 x4 and SATA modes) storage devices support; AMD Ryzen 4000 G-Series Processors :; 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support; AMD B550 Chipset :; 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support; 4 x SATA 6Gb/s port(s),; Support Raid 0, 1, 10
Connector & Ports — Internal I/O Ports: Internal I/O Ports:; 1 x CPU Fan connector(s); 2 x Chassis Fan connector(s); 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s); 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s); 1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode); 1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode); 4 x SATA 6Gb/s connector(s); 1 x S/PDIF out header(s); 1 x 24-pin EATX Power connector(s); 1 x 8-pin EATX 12V Power connectors; 1 x Front panel audio connector(s) (AAFP); 1 x Clear CMOS jumper(s); 1 x System panel connector; 1 x COM port header; 1 x Speaker connector; ; Back I/O Ports:; 1 x PS/2 keyboard/mouse combo port(s); 1 x DVI-D; 1 x D-Sub; 1 x HDMI; 1 x LAN (RJ45) port(s); 2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A); 4 x USB 3.2 Gen 1 (blue) Type-A; 3 x Audio jack(s)
Warranty Information — Manufacturing Warranty: 03 Years Warranty
Connector & Ports — TPM (Trusted Platform Module ): 1 x SPI TPM header;

Compare with similar products

	This itemAsus Prime B550M-K AM4 Micro ATX AMD Motherboard	AsusAsus PRIME B550M-K ARGB AMD AM4 mATX Motherboard	AsusAsus TUF GAMING A520M-PLUS II AMD AM4 microATX Motherboard	ASRockAsrock B450M Steel Legend AMD Micro-ATX Motherboard
Price	৳12,500	৳12,200	৳12,500	৳12,500
Availability	Out of stock	In stock	In stock	Out of stock
Brand	Asus	Asus	Asus	ASRock
RAM type	AMD Ryzen 5000 Series/ 3000 Series Desktop Processors: ; 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory; ; AMD Ryzen 4000 G-Series Processors:; 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered 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.	4866(OC)/ 4800(OC)/ 4600(OC)/ 4466(OC)/ 4400(OC)/ 4266(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3333(OC)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz, Un-buffered Memory; Dual Channel Memory Architecture	AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3533+(OC) / 3200(OC) / 2933(OC) / 2667/2400/2133 ECC & non-ECC, un-buffered memory.; AMD Ryzen series CPUs (Summit Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933(OC) / 2667/2400/2133 ECC & non-ECC, un-buffered memory.; AMD Ryzen series CPUs (Raven Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933/2667/2400/2133 non-ECC, un-buffered memory
Form factor	mATX Form Factor; 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )	micro-ATX Form Factor; 9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm )	microATX; 24.4cm x 24.4cm	Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm
Chipset	AMD B550	AMD B550 Chipset	A520	AMD Promontory B450
M.2 slots	—	2	—	1