Mainboard Gigabyte B550 AORUS PRO AC

Memory

1. 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.)

Onboard Graphics

1. 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
   * Support for HDMI 2.1 version, HDCP 2.3, and HDR.

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

1. WIFI 802.11a/b/g/n/ac, supporting 2.4/5 GHz Dual-Band
2. BLUETOOTH 4.2
3. Support for 11ac wireless standard and up to 433 Mbps 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.

1. Supporting PCIe 3.0 x4 mode
   * The M2B_SB connector shares bandwidth with the PCIEX4 slot. The PCIEX4 slot will become unavailable when an SSD is installed in the M2B_SB connectors.

1. Supporting PCIe 3.0 x2 mode
   * The PCIEX2 slot shares bandwidth with the SATA3 4, 5 connectors. The PCIEX2 slot will become unavailable when a device is installed in the SATA3 4 or SATA3 5 connector.

Multi-Graphics Technology

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

1. Support PCIe 3.0 x4/x2 SSDs

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

1. 3 x USB 3.2 Gen 1 ports on the back panel
2. 1 x USB 3.2 Gen 2 Type-A port (red) on the back panel

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

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. 2 x M.2 Socket 3 connectors
4. 6 x SATA 6Gb/s connectors
5. 1 x CPU fan header
6. 1 x water cooling CPU fan header
7. 4 x system fan headers
8. 2 x system fan/water cooling pump headers
9. 1 x CPU cooler LED strip/RGB LED strip header
10. 2 x addressable LED strip headers
11. 2 x RGB LED strip headers
12. 1 x front panel header
13. 1 x front panel audio header
14. 1 x USB 3.2 Gen 1 header
15. 2 x USB 2.0/1.1 headers
16. 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
17. 2 x temperature sensor headers
18. 1 x Clear CMOS jumper

1. 1 x HDMI port
2. 2 x SMA antenna connectors (1T1R)
3. 3 x USB 3.2 Gen 1 ports
4. 1 x USB Type-C™ port, with USB 3.2 Gen 2 support
5. 2 x USB 3.2 Gen 2 Type-A ports (red)
6. 6 x USB 2.0/1.1 ports
7. 1 x Q-Flash Plus button
8. 1 x RJ-45 port
9. 1 x optical S/PDIF Out connector
10. 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.

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

Bundled Software

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.