Gigabyte AORUS B550M ELITE AX, AMD B550, AM4, 4xDDR4, mATX

   Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series/ Ryzen™ 3000 and Ryzen™ 3000 G-Series Processors
   Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
   5+3 Phases Pure Digital VRM Solution with Low RDS(on) MOSFETs
   Ultra Durable™ PCIe 4.0 Ready x16 Slot
   Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors
   Onboard Wi-Fi 6E 802.11ax & BT 5.3
   High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality
   Realtek GbE LAN with Bandwidth Management
   Rear HDMI & DVI Support
   RGB FUSION 2.0 Supports Addressable LED & RGB LED Strips
   Smart Fan 5 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP
   Q-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics Card
   Anti-Sulfur Resistors Design

CPU

   AMD Socket AM4, support for: AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series, Ryzen™ 3000 Series and Ryzen™ 3000 G-Series Processors

(Please refer "CPU Support List" for more information.)
Chipset

   AMD B550

Memory

   4 x 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*
   * 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

(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.)
Onboard Graphics
Integrated Graphics Processor with AMD Radeon™ Graphics support:

   1 x DVI-D port, supporting a maximum resolution of 1920x1200@60 Hz
   * The DVI-D port does not support D-Sub connection by adapter.
   1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
   * Support for HDMI 2.1 version, HDCP 2.3, and HDR.

Maximum shared memory of 16 GB
Audio

   Realtek® Audio CODEC
   High Definition Audio
   2/4/5.1/7.1-channel
   * You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.

LAN

   Realtek® GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)

Wireless Communication module
Realtek® Wi-Fi 6E RTL8852CE

   WIFI a, b, g, n, ac, ax, supporting 2.4/5/6 GHz carrier frequency bands
   BLUETOOTH 5.3
   Support for 11ax 160MHz wireless standard

(Actual data rate may vary depending on environment and equipment.)
Expansion Slots
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:

   AMD Ryzen™ 5000 Series* and Ryzen™ 3000 Series Processors support PCIe 4.0 x16 mode
   * Actual support may vary by AMD CPU's specification.
   AMD Ryzen™ 5000 G-Series/4000 G-Series/3000 G-Series Processors support PCIe 3.0 x16 mode
   * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.

1 x PCI Express x16 slot (PCIEX4), integrated in the Chipset:

   Supporting PCIe 3.0 x4 mode

1 x PCI Express x1 slot (PCIEX1), integrated in the Chipset:

   Supporting PCIe 3.0 x1 mode

Storage Interface
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs:

   AMD Ryzen™ 5000 Series and Ryzen™ 3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs
   AMD Ryzen™ 5000 G-Series/4000 G-Series/3000 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 2242/2260/2280 SSDs:

   Supporting SATA and PCIe 3.0 x2 SSDs

4 x SATA 6Gb/s connectors, integrated in the Chipset:

   Support for RAID 0, RAID 1, and RAID 10

USB
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)

Internal I/O Connectors

   1 x 24-pin ATX main power connector
   1 x 8-pin ATX 12V power connector
   1 x CPU fan header
   2 x system fan headers
   2 x addressable LED strip headers
   2 x RGB LED strip headers
   1 x CPU cooler LED strip/RGB LED strip 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 Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
   1 x serial port header
   1 x Clear CMOS jumper
   1 x Q-Flash Plus button

*All fan headers are subject to support AIO_Pump, Pump and high performance fan with the capability of delivering up to 2A/12V @ 24W.
Back Panel Connectors

   1 x PS/2 keyboard/mouse port
   1 x DVI-D port
   1 x HDMI port
   2 x SMA antenna connectors (2T2R)
   4 x USB 3.2 Gen 1 ports
   4 x USB 2.0/1.1 ports
   1 x RJ-45 port
   3 x audio jacks

I/O Controller

   iTE® I/O Controller Chip

H/W Monitoring

   Voltage detection
   Temperature detection
   Fan speed detection
   Overheating warning
   Fan fail warning
   Fan speed control
   * Whether the fan speed control function is supported will depend on the cooler you install.

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

Unique Features

   Support for APP Center
   * Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
   @BIOS
   EasyTune
   RGB Fusion
   Smart Backup
   System Information Viewer
   Support for Q-Flash Plus
   Support for Q-Flash

Bundled Software

   Norton® Internet Security (OEM version)
   LAN bandwidth management software

Operating System

   Support for Windows 11 64-bit
   Support for Windows 10 64-bit

Form Factor

   Micro ATX Form Factor; 24.4cm x 24.4cm

Remark

   Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.
   Most hardware/software vendors may no longer offer drivers to support Win9X/ME/2000/XP. If drivers are available from the vendors, we will update them on the GIGABYTE website.