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Gigabyte B550M K AMD AM4 Micro ATX Motherboard

Name: Gigabyte B550M K AMD AM4 Micro ATX Motherboard
Brand: GIGABYTE
Price: 11700 BDT
Availability: InStock

Model: B550M KItem #: gigabyte-b550m-k-motherboard

৳11,700~~৳12,000~~Save 3%

In stockverified 22 Sept 2026

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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

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Key highlights

AMD B550 Chipset
Support for DDR4 4733(O.C.) / 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) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MHz memory modules; Dual channel memory architecture; Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules*; * ECC memory (ECC mode) support varies by CPU; Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules; Support for Extreme Memory Profile (XMP) memory modules RAM type
Micro ATX Form Factor; 24.4cm x 24.4cm

Overview

The Gigabyte B550M K is an AMD B550 Ultra Durable Motherboard designed with a digital VRM solution and advanced features for a seamless computing experience. It boasts a PCIe 4.0 x16 slot, providing high-speed data transfer for demanding applications. The motherboard supports a wide range of AMD processors, including Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series, and Ryzen 3000 Series Processors. With support for dual-channel ECC/Non-ECC unbuffered DDR4 memory (4 DIMMs), it ensures efficient and stable system performance. The Gigabyte B550M K Motherboard is PCIe 4.0 ready, offering an ultra-fast x16 slot for graphics cards. Additionally, it features dual ultra-fast NVMe PCIe 4.0/3.0 M.2 connectors, providing lightning-fast storage options. To deliver exceptional audio quality, the Gigabyte B550M K is equipped with high-quality audio capacitors and audio noise guard. It also features a GbE LAN with bandwidth management for efficient networking, rear DisplayPort and HDMI support for multi-display setups, and Smart Fan 5 with FAN STOP technology. An anti-sulfur resistor design is also incorporated into the motherboard to increase its reliability and durability. The Gigabyte B550M K is a great option for assembling a potent and effective micro ATX system powered by AMD.

Specifications

Chipset: AMD B550
RAM type: Support for DDR4 4733(O.C.) / 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) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MHz memory modules; Dual channel memory architecture; Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules*; * ECC memory (ECC mode) support varies by CPU; Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules; Support for Extreme Memory Profile (XMP) memory modules
Form factor: Micro ATX Form Factor; 24.4cm x 24.4cm
Memory — Type: DDR4
Memory — Slots: 4 x DIMM
Highlights — Model: B550M K
Graphics — Graphics: Integrated Graphics Processor:; 1 x DisplayPort, supporting a maximum resolution of 5120x2880@60 Hz; * Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.; 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz; * Support for HDMI 2.1 version, HDCP 2.3, and HDR.
Expansion Slots — PCI: 1 x PCI Express x16 slot, integrated in the CPU:; AMD Ryzen 5000 Series/3000 Series Processors support PCIe 4.0 x16 mode; AMD Ryzen 5000 G-Series/4000 G-Series Processors support PCIe 3.0 x16 mode; 1 x PCI Express x1 slot, integrated in the Chipset:; Supporting PCIe 3.0 x1 mode

Show all 28 specifications

Highlights — Features: GbE LAN with Bandwidth Management
Memory — Maximum Memory: 128 GB
Basic Information — BIOS: 1 x 128 Mbit flash; Use of licensed AMI UEFI BIOS; PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Connector & Ports — HDMI: 1 x HDMI
Connector & Ports — RAID: Support for RAID 0, RAID 1, and RAID 10
Basic Information — Audio: Realtek Audio CODEC; High Definition Audio; 2/4/5.1/7.1-channel
Connector & Ports — Audio: 3 x audio jacks
Others — Bundled Software: Norton Internet Security (OEM version); LAN bandwidth management software
Others — Special Features: Support for APP Center; @BIOS; EasyTune; Smart Backup; System Information Viewer; Support for Q-Flash; Support for Xpress Install;
Highlights — Supported RAM: 4x DDR4, Max 128GB 4733(OC)
Connector & Ports — USB (s): CPU:; 4 x USB 3.2 Gen 1 ports on the back panel; Chipset:; 2 x USB 3.2 Gen 1 ports available through the internal USB header; 6 x USB 2.0/1.1 ports (4 ports on the back panel, 2 ports available through the internal USB header)
Graphics — Max Shared Memory: 16 GB
Highlights — Graphics Output: 1x HDMI, 1x DisplayPort
Connector & Ports — LAN Port (s): Realtek GbE LAN chip (1 Gbps/100 Mbps)
Basic Information — Supported CPU: AMD Socket AM4, support for: AMD Ryzen 5000 Series/ Ryzen 5000 G-Series/ Ryzen 4000 G-Series and Ryzen 3000 Series Processors
Connector & Ports — Display Port (s): 1 x DisplayPort
Connector & Ports — Supported Storage: 1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs:; AMD Ryzen 5000 Series/3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs; AMD Ryzen 5000 G-Series/4000 G-Series Processors support SATA and PCIe 3.0 x4/x2 SSDs; 1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 SSDs:; Supporting PCIe 3.0 x2 SSDs; 4 x SATA 6Gb/s connectors, integrated in the Chipset:
Connector & Ports — Internal I/O Ports: 1 x 24-pin ATX main power connector; 1 x 8-pin ATX 12V power connector; 1 x CPU fan header; 1 x system fan header; 2 x M.2 Socket 3 connectors; 4 x SATA 6Gb/s connectors; 1 x front panel header; 1 x front panel audio header; 1 x USB 3.2 Gen 1 header; 1 x USB 2.0/1.1 header; 1 x Clear CMOS jumper
Warranty Information — Manufacturing Warranty: 03 years
Connector & Ports — TPM (Trusted Platform Module ): 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)

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Price	৳11,700	৳11,800	৳11,800	৳11,850
Availability	In stock	In stock	In stock	In stock
Brand	GIGABYTE	MSI	Asus	Asus
RAM type	Support for DDR4 4733(O.C.) / 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) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MHz memory modules; Dual channel memory architecture; Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules; ECC memory (ECC mode) support varies by CPU; Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules; Support for Extreme Memory Profile (XMP) memory modules	Memory Support DDR5 6800+(OC)/ 6600(OC)/ 6400(OC)/ 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(OC)/ 5400(OC)/ 5200(OC)/ 5000(OC)/ 4800(JEDEC) MT/s; 1DPC 1R Max speed up to 6800+ MHz; 1DPC 2R Max speed up to 6000+ MHz	DDR4 3200(OC)/2933/2800/2666/2400/2133 MHz Non-ECC, Un-buffered Memory; Dual Channel Memory Architecture; Supports Intel Extreme Memory Profile (XMP); Optimem; 10th Gen Intel Core i7/i9 processors support 2933/2800/2666/2400/2133 natively, others will run at the maximum transfer rate of DDR4 2666MHz.; 11th Gen Intel processors support 2933/2800/2666/2400/2133 natively.	7200+(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200/5000/4800 Non-ECC, Un-buffered Memory*; Dual Channel Memory Architecture; Supports AMD Extended Profiles for Overclocking (EXPO)
Form factor	Micro ATX Form Factor; 24.4cm x 24.4cm	mATX; 215mmx243.84mm	mATX Form Factor	micro-ATX Form Factor; 8.9 inch x 8.7 inch (22.6 cm x 22.1 cm)
Chipset	AMD B550	AMD A620	Intel Q570 Chipset	AMD A620 Chipset
M.2 slots	—	1	11	—