| SPECIFICATIONS |
| Brand |
Gigabyte |
| Series |
Ultra Durable Series |
| Model |
B550M K Ultra Durable (B550M-K-rev-10) |
| CPU Support |
Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000G-Series, and 3000 Series processors |
| Chipset |
AMD B550 Chipset |
| Memory Support |
| AMD B550 Chipset |
4x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory |
| 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 (Support varies by CPU) |
| Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules |
| Support for Extreme Memory Profile (XMP) memory modules |
| Video |
| DisplayPort |
1x HDMI 2.1 port, supports a maximum resolution of 4096×2160 @ 60Hz, Support HDCP 2.3 & HDR |
| HDMI |
1x DisplayPort 1.4, supports a maximum resolution of 5120×2880 @ 60Hz, Support HDCP 2.3 & HDR |
| Expansion Slots |
| CPU Direct |
1x PCIe 4.0 x16 Physical, x16 Electrical Slot |
| AMD B550 Chipset |
1x PCIe 3.0 x1 Physical slot |
| Storage |
| CPU Direct |
1x M.2 2280 PCIe 4.0 x4 NVMe SSD Slot (PCIe Gen 3 with Ryzen 5000G / 4000G Series |
| AMD B550 Chipset |
1x M.2 2280 PCIe 3.0 x2 NVMe SSD Slot |
| 4x SATA 6Gb/s connectors |
| Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10 |
| Networking |
| LAN |
Realtek Gigabit LAN 10/100/1000Mb/s |
| WiFi |
N/A |
| Bluetooth |
N/A |
| Audio |
| Codec |
Realtek High-Definition Audio Codec |
| Support for 7.1 Surround with front-panel jack retasking |
| Connectivity |
| Ports |
1x PS/2 keyboard/mouse port |
| 1x DisplayPort 1.4 |
| 1x HDMI 2.1 port |
| 4x USB 3.2 Gen 1 Type-A ports |
| 4x USB 2.0/1.1 Type-A ports |
| 1x RJ-45 port |
| 3x audio jacks |
| Buttons |
N/A |
| General |
| Internal Connectors |
1x 24-pin ATX main power connector |
| 1x 8-pin ATX 12V power connector |
| 1x CPU fan header |
| 1x system fan header |
| 2x M.2 Socket 3 connectors |
| 4x SATA 6Gb/s connectors |
| 1x front panel header |
| 1x front panel audio header |
| 1x USB 3.2 Gen 1 header |
| 1x USB 2.0/1.1 header |
| 1x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module only) |
| 1x Clear CMOS jumper |
| I/O Controller |
iTE I/O Controller Chip |
| LED Displays |
N/A |
| BIOS |
1x 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 |
| Form Factor |
Micro-ATX Form Factor, 244 x 244 mm (H x W) |
| Operating System Support |
Windows 10 64-bit |
| Windows 11 64-bit |
| Warranty Information |
| Warranty |
3 Year Warranty |
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