


GIGABYTE B450M K AM4 Micro ATX Motherboard with M.2 Slot
BDT 8,799
Quantity
The GIGABYTE B450M K AM4 Micro ATX Motherboard is a practical foundation for a compact, budget-friendly Ryzen PC. It supports AMD Ryzen 1st, 2nd, 3rd and 5000 Series processors, so you can build a capable system for home, office or light gaming without paying for features you will not use.
If you are looking for a dependable gigabyte motherboard in Bangladesh, the B450M K covers the essentials: dual-channel DDR4 memory, an M.2 slot for fast SSD storage, four SATA ports, an HDMI output and Gigabit LAN.
Its Micro ATX size fits standard and compact cases, making it a sensible choice for everyday desktops, student builds and upgrades from older AM4 setups.
Key Features
AMD Socket AM4 with Ryzen 5000, 5000 G, 4000 G, 3rd, 2nd and 1st Gen support: gives you a wide choice of processors, so you can start with a budget CPU and upgrade later on the same platform.
AMD B450 chipset: provides a stable, proven platform for everyday computing and mainstream gaming builds.
2 x DDR4 DIMM slots, up to 64GB (3600 MHz O.C.): dual-channel support and XMP profile compatibility help you get better memory performance for multitasking and productivity.
1 x M.2 connector (PCIe 3.0 x4/x2 and SATA SSD support, up to 22110 size): lets you use a fast M.2 SSD for quicker boot times and faster file loading.
4 x SATA 6Gb/s connectors with RAID 0, 1 and 10 support: gives you room for extra drives, with options for speed or data redundancy.
1 x HDMI port (up to 4096x2160 at 60 Hz, HDMI 2.0, HDCP 2.2): lets you connect a monitor or TV directly when using a processor with integrated Radeon Vega graphics.
Realtek Gigabit LAN: delivers reliable wired internet for browsing, streaming, downloads and online gaming.
Realtek HD Audio with 2/4/5.1/7.1-channel support: gives you clear sound for movies, music and gaming.
4 x USB 3.2 Gen 1 on the back panel, plus internal USB headers: offers fast connections for flash drives, external drives and peripherals.
UEFI BIOS with Q-Flash, @BIOS, EasyTune and APP Center support: makes BIOS updates, tuning and system monitoring easier.
Micro ATX form factor (24.4cm x 19.5cm): fits compact builds and saves desk space without giving up core features.
Why Choose the GIGABYTE B450M K AM4 Micro ATX Motherboard
The GIGABYTE B450M K focuses on what most builders actually need. You get modern Ryzen support, dual-channel DDR4 memory, NVMe-ready storage and Gigabit networking on a compact board.
It is a smart pick for anyone upgrading an older AM4 system or starting a new budget build. Because it supports a wide range of Ryzen processors, you can match it with the CPU that fits your budget today and move up later. Dependable GIGABYTE quality and a 3-year manufacturer warranty add confidence to your purchase.
Compared with larger boards, this Micro ATX gigabyte motherboard keeps your build compact and your cost under control, while still giving you an M.2 slot, four SATA ports and RAID options.
Best Use Cases
Home and office PCs: handle everyday work, browsing and video calls smoothly.
Students: a cost-effective base for study and assignments.
Entry-level and mainstream gaming: pair with a Ryzen CPU and a dedicated graphics card through the PCIe 3.0 x16 slot.
Media and compact desktop builds: Micro ATX size suits smaller cases.
Technical Specifications
Specification | Details |
|---|---|
Brand | GIGABYTE |
Model | B450M K |
Chipset | AMD B450 |
CPU Socket | AMD Socket AM4 |
Form Factor | Micro ATX (24.4cm x 19.5cm) |
Memory Type | DDR4 |
Memory Slots | 2 x DIMM, dual-channel |
Supported Memory Speeds | 3600 (O.C.) / 3466 (O.C.) / 2933 / 2667 / 2400 / 2133 MHz |
Maximum Memory | 64GB (32GB per DIMM) |
Memory Support | XMP; non-ECC and ECC Un-buffered DIMM (operates in non-ECC mode) |
Expansion Slots | 1 x PCIe x16 (PCIe 3.0, runs at x16); 1 x PCIe x1 (PCIe 2.0, runs at x1) |
Integrated Graphics Output | 1 x HDMI (up to 4096x2160 at 60 Hz, HDMI 2.0, HDCP 2.2) |
Max Shared Memory | 16GB |
Storage | 1 x M.2 (Socket 3, M key, 22110/2280/2260/2242, SATA and PCIe 3.0 x4/x2 SSD); 4 x SATA 6Gb/s |
RAID | RAID 0, 1 and 10 (NVMe and SATA) |
LAN | Realtek GbE (1 Gbps / 100 Mbps) |
Audio | Realtek Audio CODEC, High Definition Audio, 2/4/5.1/7.1-channel |
USB Ports | 4 x USB 3.2 Gen 1 and 2 x USB 2.0 on back panel; 2 x USB 3.2 Gen 1 and 4 x USB 2.0 via internal headers |
Internal Connectors | 24-pin ATX power, 8-pin ATX 12V, CPU fan header, system fan header, front panel header, front panel audio header, speaker header, Clear CMOS jumper, chassis intrusion header, TPM header (GC-TPM2.0_S only) |
BIOS | 1 x 128 Mbit flash, licensed AMI UEFI BIOS |
Software | APP Center, @BIOS, EasyTune, Smart Backup, System Information Viewer, Q-Flash, Xpress Install |
Bundled Software | Norton Internet Security (OEM), LAN bandwidth management software |
Warranty | 3 Years |
Compatibility
Supported processors: AMD Ryzen 5000, 5000 G, 4000 G, 3rd Gen, 2nd Gen and 1st Gen processors, Ryzen 1st/2nd Gen with Radeon Vega Graphics, and Athlon with Radeon Vega Graphics (AM4 socket).
Supported memory: DDR4 modules from 2133 MHz up to 3600 MHz (O.C.).
Supported storage: SATA SSD/HDD, plus M.2 SATA and PCIe 3.0 SSDs.
Supported cases: standard Micro ATX and larger ATX cases with Micro ATX mounting.
Frequently asked questions
Which processors does the GIGABYTE B450M K support?
It supports AMD Socket AM4 processors, including Ryzen 5000, 5000 G, 4000 G, 3rd, 2nd and 1st Gen Ryzen processors, as well as Athlon with Radeon Vega Graphics.
What type and amount of RAM does this motherboard support?
It has 2 DDR4 slots and supports up to 64GB (32GB per slot) at speeds up to 3600 MHz (O.C.) with dual-channel and XMP support.
Does the GIGABYTE B450M K have an M.2 slot?
Yes. It has one M.2 slot that supports SATA and PCIe 3.0 x4/x2 SSDs in 2242, 2260, 2280 and 22110 sizes.
Can I use the HDMI port without a graphics card?
Yes, if you use a processor with integrated graphics, such as a Ryzen G-Series or Vega-based CPU. The HDMI port supports up to 4096x2160 at 60 Hz.

