GIGABYTE B550 AORUS MASTER (rev. 1.0)

1. 4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
2. 3rd Gen AMD Ryzen™ Processors: Support for DDR4 5200(O.C.) / 5000(O.C.) / 4866(O.C.) / 4600(O.C.) / 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules
3. New Generation AMD Ryzen™ with Radeon™ Graphics processors: Support for DDR4 5400(O.C.) / 5200(O.C.) / 5000(O.C.) / 4866(O.C.) / 4600(O.C.) / 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules
4. Dual channel memory architecture
5. Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
6. Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
7. Support for Extreme Memory Profile (XMP) memory modules

(Please refer “Memory Support List” for more information.)

1. 1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz
   * Support for HDMI 2.1 version, HDCP 2.3, and HDR.

Maximum shared memory of 16 GB

1. Realtek^® ALC1220-VB codec
   * The back panel line out jack supports DSD audio.
2. Support for DTS:X^® Ultra
3. High Definition Audio
4. 2/4/5.1/7.1-channel
5. Support for S/PDIF Out

1. WIFI a, b, g, n, ac with wave 2 features, ax, supporting 2.4/5 GHz Dual-Band
2. BLUETOOTH 5
3. Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate
   * Actual data rate may vary depending on environment and equipment.

1. 3rd Generation AMD Ryzen™ processors support PCIe 4.0 x16 mode
2. New Generation AMD Ryzen™ with Radeon™ Graphics 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.
   * The PCIEX16 slot shares bandwidth with the M2B_CPU and M2C_CPU connectors. The PCIEX16 slot operates at up to x8 mode when a device is installed in the M2B_CPU or M2C_CPU connector.

2 x PCI Express x16 slots (PCIEX4_1/PCIEX4_2), integrated in the Chipset:

1. Supporting PCIe 3.0 x4 mode
   * The PCIEX4_2 slot shares bandwidth with the SATA3 4, 5 connectors. The PCIEX4_2 slot operates at up to x2 mode when a device is installed in the SATA3 4 or SATA3 5 connector.

1. 3rd Generation AMD Ryzen™ processors support SATA and PCIe 4.0 x4/x2 SSDs
2. New Generation AMD Ryzen™ with Radeon™ Graphics processors support SATA and PCIe 3.0 x4/x2 SSDs

2 x M.2 connectors (M2B_CPU/M2C_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2280/22110 SSDs:

1. 3rd Generation AMD Ryzen™ processors support PCIe 4.0 x4/x2 SSDs
2. New Generation AMD Ryzen™ with Radeon™ Graphics processors support PCIe 3.0 x4/x2 SSDs

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

1. Support for RAID 0, RAID 1, and RAID 10

1. 4 x USB 3.2 Gen 2 Type-A ports (red) on the back panel

Chipset:

1. 1 x USB Type-C™ port on the back panel, with USB 3.2 Gen 2 support
2. 1 x USB 3.2 Gen 2 Type-A port (red) on the back panel
3. 2 x USB 3.2 Gen 1 ports available through the internal USB header
4. 2 x USB 2.0/1.1 ports on the back panel

Chipset+2 USB 2.0 Hubs:

1. 8 x USB 2.0/1.1 ports (4 ports on the back panel, 4 ports available through the internal USB headers)

1. 1 x 24-pin ATX main power connector
2. 1 x 8-pin ATX 12V power connector
3. 1 x 4-pin ATX 12V power connector
4. 1 x CPU fan header
5. 1 x water cooling CPU fan header
6. 4 x system fan headers
7. 2 x system fan/water cooling pump headers
8. 2 x addressable LED strip headers
9. 2 x RGB LED strip headers
10. 1 x CPU cooler LED strip/RGB LED strip header
11. 3 x M.2 Socket 3 connectors
12. 6 x SATA 6Gb/s connectors
13. 1 x front panel header
14. 1 x front panel audio header
15. 1 x USB 3.2 Gen 1 header
16. 2 x USB 2.0/1.1 headers
17. 1 x noise detection header
18. 1 x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module only)
19. 1 x Clear CMOS jumper
20. 2 x temperature sensor headers

1. 2 x SMA antenna connectors (2T2R)
2. 1 x HDMI port
3. 6 x USB 2.0/1.1 ports
4. 5 x USB 3.2 Gen 2 Type-A ports (red)
5. 1 x USB Type-C™ port, with USB 3.2 Gen 2 support
6. 1 x Q-Flash Plus button
7. 1 x RJ-45 port
8. 1 x optical S/PDIF Out connector
9. 5 x audio jacks

1. Voltage detection
2. Temperature detection
3. Fan speed detection
4. Water cooling flow rate detection
5. Overheating warning
6. Fan fail warning
7. Fan speed control
   * Whether the fan (pump) speed control function is supported will depend on the fan (pump) you install.
8. Noise detection

1. 1 x 256 Mbit flash
2. Use of licensed AMI UEFI BIOS
3. PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

1. 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
   Fast Boot
   Game Boost
   ON/OFF Charge
   RGB Fusion
   Smart Backup
   System Information Viewer
2. Support for Q-Flash Plus
3. Support for Q-Flash
4. Support for Xpress Install

1. Norton^® Internet Security (OEM version)
2. XSplit Gamecaster + Broadcaster (12 months license)
3. Realtek^® 8125 Gaming LAN Bandwidth Control Utility

1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors’ website or 3rd party website.
2. 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.