GIGABYTE B550M K WiFi 6E Micro-ATX Motherboard (AM4, DDR4, PCIe 4.0)
MPN B550M-K-WIFI6E · Brand GIGABYTE · mATX
The GIGABYTE B550M K WiFi 6E is a Micro-ATX motherboard for AMD AM4 processors, featuring PCIe 4.0, dual M.2 NVMe slots, up to 128 GB DDR4, and integrated Wi-Fi 6E with Bluetooth 5.3
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Overview
The GIGABYTE B550M K WiFi 6E is a Micro-ATX motherboard built on the AMD B550 chipset with an AM4 socket, designed to support AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series, Ryzen 3000 Series, and Ryzen 3000 G-Series processors. It provides a solid platform for mainstream AMD builds that demand fast storage, modern wireless connectivity, and expandable memory without the bulk of a full-ATX board. Memory support is comprehensive: four DDR4 DIMM slots accommodate up to 128 GB of system RAM (32 GB maximum per DIMM). The board supports both ECC and non-ECC Unbuffered DIMMs and is compatible with XMP profiles. Native speeds start at DDR4-2133 MT/s, with overclocked profiles reaching up to DDR4-4733 (O.C.) in dual-channel configuration. Storage options are equally capable. Two M.2 Socket 3 connectors support NVMe drives via PCIe 4.0 or PCIe 3.0 depending on the installed CPU, while four SATA 6 Gb/s ports are available for traditional drives. The single PCIe x16 slot delivers PCIe 4.0 bandwidth when paired with a Ryzen 5000 Series or Ryzen 3000 Series processor, or PCIe 3.0 with G-Series APUs. Wireless connectivity is handled by an integrated Wi-Fi 6E (802.11ax) module with Bluetooth 5.3. GIGABYTE's EZ-Plug design simplifies antenna installation at the rear. Wired networking is supported through a Gigabit Ethernet (GbE) RJ-45 port. Display output options on the rear panel include one DisplayPort and one HDMI port for integrated graphics use. The rear I/O panel features four USB 3.2 Gen 1 ports, four USB 2.0/1.1 ports, a PS/2 keyboard/mouse combo port, three audio jacks, and two antenna connectors (1T1R). Internal headers include a USB 3.2 Gen 1 header, a USB 2.0/1.1 header, a TPM header (for the GC-TPM2.0_S module), front panel audio, front panel connectors, one CPU fan header, and one system fan header. GIGABYTE's Smart Fan 6 technology provides multiple temperature sensor inputs and supports Hybrid Fan Headers with FAN STOP functionality for quieter operation. Audio quality is enhanced through high-quality audio capacitors and an audio noise guard circuit on the PCB. Verifiable Specifications: - Form Factor: Micro-ATX - Socket: AMD AM4 - Chipset: AMD B550 - Supported CPUs: AMD Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 / 3000 G-Series - Memory: 4x DDR4 DIMM, dual channel, up to 128 GB, DDR4-2133 to DDR4-4733 (O.C.), ECC/non-ECC Unbuffered, XMP support - Storage: 2x M.2 Socket 3 (PCIe 4.0/3.0 NVMe), 4x SATA 6 Gb/s - PCIe: 1x PCIe x16 (PCIe 4.0 or 3.0 depending on CPU), 1x PCIe x1 (PCIe 3.0, chipset) - Wireless: Wi-Fi 6E 802.11ax, Bluetooth 5.3 - LAN: 1x Gigabit Ethernet - Display Output: 1x DisplayPort, 1x HDMI - USB (Rear): 4x USB 3.2 Gen 1, 4x USB 2.0/1.1 - Warranty: 3 Years
Datasheet
| Memory Type | DDR4 |
|---|---|
| Warranty | 3 Years |
| Form Factor | mATX |
| Chipset | B550 |
| Socket | AM4 |
| CPU Type | AMD Ryzen |
| Max Memory | 128 GB |
| Memory Speed | up to 4733 |
| Platform | AMD |
| Graphics Port | 1x DisplayPort,1x HDMI |
| Memory Feature | 4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memorySupport 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 MT/s memory modulesDual channel memory architectureSupport for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modulesSupport for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modulesSupport 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.) |
| Expansion Slots | 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/3000 G-Series Processors support PCIe 3.0 x16 mode * The PCIEX16 slot can only support a graphics card or an NVMe SSD. 1 x PCI Express x1 slot, integrated in the Chipset:- Supporting PCIe 3.0 x1 mode |
| Channel Supported | Dual Channel |
| Wireless Networking | Wifi 6E,Bluetooth 5.3 |
| Back Panel I/O Ports | 1 x PS/2 keyboard/mouse port1 x DisplayPort*1 x HDMI port*4 x USB 3.2 Gen 1 ports4 x USB 2.0/1.1 ports1 x RJ-45 port2 x antenna connectors (1T1R)3 x audio jacks * Actual support may vary by CPU |
| Internal I/O Connector | 1 x 24-pin ATX main power connector1 x 8-pin ATX 12V power connector1 x CPU fan header1 x system fan header2 x M.2 Socket 3 connectors4 x SATA 6Gb/s connectors1 x front panel header1 x front panel audio header1 x USB 3.2 Gen 1 header1 x USB 2.0/1.1 header1 x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module only)1 x Clear CMOS jumper |
