Install up to 128GB of DDR4 RAM in four dual-channel memory slots, with overclocking speeds of up to 5400 MHz.
The GIGABYTE B550 AORUS Master AM4 ATX AMD, which uses the AMD B550 chipset, is compatible with 3rd and New Generation AMD CPUs that use the AM4 socket.
Alternatively, three M-Key slots can be used to install M.2 drives.
A USB 3.2 Gen 2 Type-C port, as well as five Type-A ports, are located on the back I/O panel. There are also six USB 2.0 Type-A connections, as well as an HDMI 2.1 output for connecting a display.
The I/O panel also has five 3.5mm audio jacks for front speaker, rear speaker, center speaker or woofer, line in, and microphone connections, in addition to an optical S/PDIF output.
The back panel includes two antenna connectors for Wi-Fi 6 connectivity, as well as an RJ45 port with 2.5 Gigabit Ethernet capability.
A USB 3.2 Gen 1 and two USB 2.0 headers support two and four Type-A ports, respectively, on the B550 AORUS Master's internal headers.
There's also a Thunderbolt header, as well as front panel and front panel audio port headers.
Radiators can be installed using two 4-pin connectors, and a CPU air or liquid cooler can be installed using separate 4-pin connectors.
The Realtek ALC1220-VB Codec handles audio on the B550 AORUS Master, which supports 7.1-channel sound.
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory types | DDR4-SDRAM |
| Memory channels | Dual-channel |
| ECC | |
| Non-ECC | |
| Supported memory clock speeds | 2133,2400,2667,2933,3200 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen |
| Processor socket | Socket AM4 |
| Maximum number of SMP processors | 1 |
| Supported storage drive types | HDD & SSD |
| RAID levels | 0,1,10 |
| USB 2.0 connectors | 2 |
| USB 3.0 (3.1 Gen 1) connectors | 1 |
| Supported storage drive interfaces | Serial ATA III |
| Number of SATA III connectors | 6 |
| Front panel audio connector | |
| Front panel connector | |
| ATX Power connector (24-pin) | |
| CPU fan connector | |
| Number of chassis fan connectors | 4 |
| 12V power connector | |
| TPM connector | |
| RGB LED pin header |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| S/PDIF out port | |
| Digital audio optical out | 1 |
| USB 2.0 ports quantity | 6 |
| USB 3.1 (3.1 Gen 2) Type-A ports quantity | 5 |
| USB 3.1 (3.1 Gen 2) Type-C ports quantity | 1 |
| WiFi-AP antenna jack | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| Ethernet LAN | |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | |
| Wi-Fi standards | 802.11a,802.11b,802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Bluetooth | |
| Bluetooth version | 5.0 |
| Audio chip | Realtek ALC1220-VB |
| PC health monitoring | FAN, Temperature, Voltage |
| Component for | PC |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | ATX |
| Audio output channels | 7.1 channels |
| Windows operating systems supported | Windows 10 x64 |
| Maximum graphics adapter memory | 16000 MB |
| HDCP | |
| Maximum resolution | 4096 x 2160 pixels |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 3.x) slots | 2 |
| Number of M.2 (M) slots | 3 |
| BIOS type | UEFI AMI |
| ACPI version | 5.0 |
| System management BIOS (SMBIOS) version | 2.7 |
| Clear CMOS jumper | |
| BIOS memory size | 256 MB |
| Desktop Management Interface (DMI) version | 2.7 |
| Width | 305 mm (11.9 ") |
| Depth | 244 mm (9.52 ") |
| Cables included | SATA |
| Drivers included | |
| Bundled software | Norton Internet Security (OEM) XSplit Gamecaster + Broadcaster Realtek 8125 Gaming LAN Bandwidth Control Utility |
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