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ASUS ROG STRIX B550-A GAMING AM4 AMD B550 ATX AMD Motherboard

Name: ASUS ROG STRIX B550-A GAMING AM4 ATX AMD Motherboard
Brand: ASUS
SKU: N82E16813119349
Rating: 4 (268 reviews)

AMD B550
BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU
Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Processors
DDR4 5100(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 4000 G-Series Processors)
DDR4 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133

Overview

Specs

Reviews (268)

Warranty & Returns

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CPU Socket Type	AM4
CPU Type	Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Processors * Refer to www.asus.com for CPU support list. * BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU.

Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 5100(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 4000 G-Series Processors) DDR4 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133
Maximum Memory Supported	128GB
Channel Supported	Dual Channel
ECC Supported	ECC Memory (ECC mode) support varies by CPU.
Buffer Supported	Un-buffered

PCI Express 4.0 x16	1 x PCI Express 4.0 x16* * Actual support may vary by CPU.
PCI Express 3.0 x16	1 x PCIe 3.0 x16* * Supports x4 mode. * PCIEX16_2 shares bandwidth with PCIE x1_1, PCIE x1_2, and PCIE x1_3.
PCI Express x1	3 x PCIe 3.0 x1

Serial ATA (SATA)	6 x SATA 6Gb/s
M.2	3rd Gen AMD Ryzen Processors: 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 x4 mode)* * When the M.2_2 Socket 3 is populated, SATA6G_5/6 ports will be disabled.
SATA RAID	0/1/10

Audio Chipset	ROG SupremeFX High Definition Audio CODEC S1220A
Audio Channels	8 Channels* * Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.

Onboard USB	1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors	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) 1 x Thunderbolt header(s) 1 x System panel(s) 1 x Thermal sensor connector(s) 1 x Clear CMOS jumper(s)

Form Factor	ATX
LED Lighting	RGB
Dimensions (W x L)	12.0" x 9.6"
Power Pin	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)

Onboard LAN
LAN Chipset	Intel I225-V
Max LAN Speed	2.5Gbps