AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors,
*Refer to www.asus.com for CPU support list.,

B550,

4 x DIMM, Max. 128GB, DDR4 4866(OC)/4800(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-buffered Memory*

Dual Channel Memory Architecture

* ECC Memory (ECC mode) support varies by CPU.

* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.,

1 x DisplayPort 1.2

1 x HDMITM 2.1(4K@60HZ)

*Graphics specifications may vary between CPU types.,

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

1 x PCIe 4.0 x16 slot (supports x16 mode)

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors

1 x PCIe 3.0 x16 slot (supports x16 mode)

AMD B550 Chipset

1 x PCIe 3.0 x16 slot (supports x4 mode)*

3 x PCIe 3.0 x1 slot*

*PCIE 3.0 X16_2 runs x1 mode when any of the PCIe 3.0 x1 slots is occupied.

**Support PCIe bifurcation for RAID on CPU function.,

Supports 2 x M.2 slots and 6 x SATA 6Gb/s ports,

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors :

M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors

M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)

AMD B550 Chipset

M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)*

6 x SATA 6Gb/s ports

Support Raid 0, 1, 10

*M2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.,

1 x Realtek 2.5Gb Ethernet

2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + BT5.2,

2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)

Supports 2.4/5GHz frequency band

Bluetooth v5.2*

*Bluetooth v5.2 function will be ready in Windows 11 or later.,

Rear USB:Rear USB:Total 8 ports,

2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®)

4 x USB 3.2 Gen 1 ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A),
Front USB:Front USB:Total 6 ports,

1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports

2 x USB 2.0 headers support additional 4 USB 2.0 ports,

ALC887/897,

Realtek 7.1 Surround Sound High Definition Audio CODEC*

- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking

- Supports up to 24-Bit/192 kHz playback"

Audio Features

- Audio Shielding

- Rear optical S/PDIF out port

- Premium Japanese audio capacitors

- Dedicated audio PCB layers

- Audio Cover

,

2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®)

4 x USB 3.2 Gen 1 ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

1 x DisplayPort

1 x HDMI™ port

1 x ASUS Wi-Fi Module

1 x Realtek 2.5Gb Ethernet port

5 x Audio jacks

1 x Optical S/PDIF out port

1 x BIOS FlashBack™ button ,

Fan and Cooling related

1 x 4-pin CPU Fan header(s)

1 x 4-pin CPU OPT Fan header(s)

1 x 4-pin AIO Pump header(s)

3 x 4-pin Chassis Fan header(s)

Power related

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

Storage related

2 x M.2 slots (Key M)

6 x SATA 6Gb/s ports

USB

1 x USB 3.2 Gen 1 header(s) support(s) additional 2 USB 3.2 Gen 1 ports

2 x USB 2.0 header(s) support(s) additional 4 USB 2.0 ports

Miscellaneous

2 x AURA Addressable Gen 2 header(s)

2 x AURA RGB header(s)

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x SPI TPM header (14-1pin)

1 x 20-3 pin System Panel header

1 x Thermal Sensor header

1 x Thunderbolt header,