Asus ROG STRIX B550-A Gaming (AM4)

* Refer to www.asus.com for CPU support list

4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4800(O.C.)/4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory

4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory

Next Generation AMD Ryzen PRO Processors

OptiMem II

3rd Gen AMD Ryzen™ Processors

Dual Channel Memory Architecture

ECC Memory (ECC mode) support varies by CPU.

* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

1 x DisplayPort 1.2

1 x HDMI 2.1(4K@60HZ)

*Graphics specifications may vary between CPU types.

Integrated Graphics Processor

Supports AMD 2-Way CrossFireX Technology

AMD B550 Chipset

1 x PCIe 3.0 x16 (x4 mode) *

3 x PCIe 3.0 x1

1 x PCIe 4.0 x16 (x16 mode)

1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)

AMD B550 Chipset :

1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)*

Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports

6 x SATA 6Gb/s port(s)

3rd Gen AMD Ryzen™ Processors :

Support Raid 0, 1, 10

Intel® I225-V 2.5Gb Ethernet

ASUS LANGuard

- Audio Shielding

- Premium Japanese audio capacitors

- Audio Cover

- Optical S/PDIF in port(s) at back panel

ROG SupremeFX8-Channel High Definition Audio CODEC S1220A

- SupremeFX Shielding™ Technology

- Dual OP Amplifiers

- Impedance sense for front and rear headphone outputs

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

- High quality120dBSNR stereo playback outputand113dBSNR recording input

- Supports up to 32-Bit/192kHz playback *

- Gold-plated jacks

* Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.

Audio Feature :

Front USB Port ( Total 6 )

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

Rear USB Port ( Total 8 )

4 x USB 3.2 Gen 1 port(s)(4 x Type-A)

2 x USB 3.2 Gen 1 port(s)

2 x USB 2.0 port(s)

4 x USB 2.0 port(s)

ROG Exclusive Software
- RAMCache III
- ROG CPU-Z
- GameFirst VI
- Sonic Studio III + Sonic Studio Virtual Mixer
- Sonic Radar III
- DTS® Sound Unbound
- Overwolf
- Anti-virus software
ASUS Exclusive Software Features
Armoury Crate
- Aura Creator
- Aura Sync
- AI Noise Cancelling Microphone
AI Suite 3:
- PPSU
EPU
DIGI+ VRM
Fan Xpert 4
TurboV EVO
- EZ update
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode

Aura Sync
- Standard RGB header(s)
- Addressable Gen 2 RGB header(s)
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-LED (DRAM [yellow],CPU [red], VGA [white], Boot Device [yellow green)
- ASUS Q-Slot
ASUS Thermal Solution
- Aluminum M.2 heatsink
ASUS EZ DIY
-BIOS FlashBack™ button
-BIOS FlashBack™ LED
-Clear CMOS header
-ProCool
-Pre-mounted I/O shield
- SafeSlot

1 x BIOS FlashBack™ Button(s)

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

1 x Intel® I225-V 2.5Gb Ethernet

4 x USB 3.2 Gen 1

2 x USB 2.0

5 x Gold-plated audio jacks

1 x DisplayPort

1 x HDMI

1 x Optical S/PDIF out

ASUS Wi-Fi module (Wi-Fi 802.11 a/b/g/n/ac and Bluetooth v5.0)

1 x M.2 Socket 1 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)

1 x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)

1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)

1 x Thunderbolt header(s)

6 x SATA 6Gb/s connector(s)

1 x AAFP connector

1 x Thermal sensor connector(s)

1 x CPU Fan connector(s)

1 x CPU OPT Fan connector(s)

3 x Chassis Fan connector(s)

1 x AIO_PUMP connector

2 x Aura RGB Strip Header(s)

1 x Addressable Gen 2 header(s)

2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)

1 x 24-pin EATX Power connector(s)

1 x 8-pin ATX 12V Power connector(s)

1 x 4-pin ATX 12V Power connector(s)

1 x System panel(s)

1 x Clear CMOS jumper(s)

1 x M.2 SSD screw package(s)

1 x M.2 Rubber Package(s)

1 x ROG Strix stickers

1 x Cable ties pack(s)

1 x Extension cable for Addressable LED

1 x ROG Thank you card

User´s manual

4 x SATA 6Gb/s cable(s)

1 x Supporting DVD

ATX Form Factor

* Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3
* When the M.2_2 Socket 3 is populated , SATA6G_5/6 ports will be disabled.