ASUS ROG STRIX B550-A Gaming motherboard is designed to support AMD AM4 Socket for AMD Ryzen 5000 Series, 4000 G-Series, 3000 Series Desktop Processors with DDR4 memory up to 128GB.
Features two M.2 slots, one of which supports the latest PCIe 4.0 standard to provide maximum storage flexibility and the fastest data speeds available via the 3rd Gen AMD Ryzen platform.
ROG Strix B550 series features the most comprehensive cooling options ever, configurable via Fan Xpert 4 or the UEFI BIOS. The M.2 heatsink keeps the M.2 SSD at the optimum operating temperature for consistent performance and reliability
Patented I/O shield is finished in sleek matte black and comes pre-mounted to make it easy to install on the motherboard. Four onboard LEDs indicate power status, and any problem with the CPU, memory, graphics card or boot device for quick diagnosis.
The Z490-E features AI Cooling and Overclocking. Accessible via AI Suite software or direct through UEFI a range of customizable settings are available for seasoned overclockers and an auto-tuning option is available for beginners.

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ASUS ROG STRIX Z490-E Gaming Motherboard

ASUS ROG STRIX Z490-E Gaming Motherboard

ROG STRIX B550-A Gaming

Designed for those seeking to get the most out of their build, ROG Strix B550 Gaming series motherboards offer a feature-set usually found in the higher-end ROG Strix X570 Gaming series, including the latest PCIe 4.0 connectivity. Offering robust power delivery and effective cooling, ROG Strix B550-A Gaming is well-equipped to handle 3rd Gen AMD Ryzen CPUs.

ASUS ROG STRIX Z490-E Gaming Motherboard

PRO Cool Power Connector

The ProCool socket is built to exacting specifications to ensure flush contact with the PSU power lines, enabling lower impedance and better heat dissipation.

ASUS ROG STRIX Z490-E Gaming Motherboard

Cooler by Design

ROG Strix B550 series features the most comprehensive cooling options ever, configurable via Fan Xpert 4 or the UEFI BIOS. M.2 heatsink keeps the M.2 SSD at the optimum operating temperature for consistent performance and reliability

ASUS ROG STRIX Z490-E Gaming Motherboard

Intel 2.5 Gb Ethernet

Onboard 2.5 Gb Ethernet gives your wired connection a boost, with speeds that are 2.5 times faster than standard Ethernet connections for speedy file transfers, lag-free gaming, and high-res video streaming.

ASUS ROG STRIX Z490-E Gaming Motherboard

BIOS FlashBack

Users can place a BIOS file onto a FAT32-formatted USB drive and simply plug it into the USB BIOS FlashBack port and press a button to update the BIOS.

ASUS ROG STRIX Z490-E Gaming Motherboard

PCIe 4.0-Ready

ROG Strix B550-A Gaming features two M.2 slots, one of which supports the latest PCIe 4.0 standard to provide maximum storage flexibility and the fastest data speeds available via the 3rd Gen AMD Ryzen platform.

ASUS ROG STRIX Z490-E Gaming Motherboard

SupremeFX

Built-in ROG SupremeFX audio technology ensures pristine audio for ROG Strix B550-A Gaming. Along with ensuring a flat frequency response for a neutral, detailed sound signature, it offers two front-panel outputs driven by op amps.

ASUS ROG STRIX Z490-E Gaming Motherboard

UEFI BIOS

The renowned ROG UEFI (BIOS) provides everything you need to configure, tweak, and tune your rig. It offers intelligently simplified options for newcomers to PC DIY, as well as comprehensive features for seasoned veterans.

ASUS ROG STRIX Z490-E Gaming Motherboard

Armoury Crate

Armoury Crate is a new software utility designed to give you centralized control of supported gaming products, making it easy to tune the look and feel of your system. From a single intuitive interface, Armoury Crate lets you easily customize RGB lighting and effects for compatible devices and synchronize them with Aura Sync to create a unified lighting scheme across your system.

ASUS ROG STRIX Z490-E Gaming Motherboard

ASUS ROG STRIX Z490-E Gaming Motherboard

RAMCache III

RAMCache lll software turns milliseconds into microseconds to boost game-load times. Fully compatible with the latest NVM Express storage options, its uniquely intelligent technology effectively caches an entire storage device so that favorite games and apps launch at breakneck speeds.

ASUS ROG STRIX Z490-E Gaming Motherboard

The ROG Strix Ecosystem Awaits

Up your game with ROG Strix. Enjoy complementary aesthetics, control and compatibility across AIO coolers, cases, peripherals, and much more! ROG offers more choices than any other brand.

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Model	ROG STRIX B550-A GAMING
CPU Support	AMD AM4 Socket for AMD Ryzen 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset	AMD B550
Memory	AMD RyzenTM 4000 G-Series Processors 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 OptiMem II Dual Channel Memory Architecture ECC Memory (ECC mode) support varies by CPU.
Multi-GPU Support	Supports AMD 2-Way CrossFireX Technology
Expansion Slot	AMD Ryzen 5000 Series/ 3000 Series Desktop Processors 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 PCIe 3.0 x16 (x16 mode)
LAN	Intel I225-V 2.5Gb Ethernet ASUS LANGuard
Storage	AMD RyzenTM 4000 G-Series Processor : AMD Ryzen 5000 Series/ 3000 Series Desktop Processors : 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 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 slot(s) and 6 x SATA 6Gb/s ports 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 : Support Raid 0, 1, 10 6 x SATA 6Gb/s port(s)
Audio	- 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 - 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 Audio Feature : - SupremeFX Shielding Technology - Gold-plated jacks
USB Ports	Front USB Port ( Total 6 ) Rear USB Port ( Total 8 ) 4 x USB 3.2 Gen 1 port(s)(4 x Type-A) 2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C) 2 x USB 3.2 Gen 1 port(s) 2 x USB 2.0 port(s) 4 x USB 2.0 port(s)
Back I/O Ports	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 1 x DisplayPort 1 x HDMI 2 x USB 2.0 1 x Optical S/PDIF out 5 x Gold-plated audio jacks
Internal I/O ports	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) 1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 3 x Chassis Fan connector(s) 1 x AIO_PUMP connector 1 x AAFP 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) 6 x SATA 6Gb/s connector(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 Thermal sensor connector(s) 1 x Clear CMOS jumper(s)
Accessories	1 x M.2 SSD screw package(s) 1 x M.2 Rubber Package(s) User´s manual 4 x SATA 6Gb/s cable(s) 1 x Supporting DVD 1 x ROG Strix stickers 1 x Cable ties pack(s) 1 x Extension cable for Addressable LED 1 x ROG Thank you card
Dimension	30.5 cm x 24.4 cm
Warranty	3 Years