Asrock B550M Steel legend motherboard

11,250

Availability: 2 in stock

SKU: mob1518 Categories , Tags , ,
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  • Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
  • 10 Power Phase Design, Dr. MOS
  • Supports DDR4 4733+ (OC)
  • 4X PCIe, 1X M.2 Key E for WiFi
  • HDMI, DisplayPort Graphics Output
  • AMD CrossFireX™
  • 7.1 CH HD Audio, Nahimic Audio
  • 2X USB 3.2 Gen2, 8X USB 3.2 Gen1
  • Dragon 2.5G LAN

Asrock B550m Steel legend motherboard technical specs

Product NameAsrock B550m Steel legend
Model nameB550M Steel Legend
Unique FeatureASRock USB 3.2 Gen2
– ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
– ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)
ASRock Super Alloy
– XXL Aluminum Alloy Heatsink
– Premium 60A Power Choke
– 50A Dr.MOS
– Nichicon 12K Black Caps (100% Japan made
high quality conductive polymer capacitors)
– I/O Armor
– Matte Black PCB
– High Density Glass Fabric PCB
– 2oz Copper PCB
2.5G LAN
ASRock Steel Slot Gen4
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock POST Status Checker (PSC)
ASRock Full Spike Protection
(for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop
CPU Supports AMD AM4 Socket Ryzen™ 3000,
3000 G-Series, 4000 G-Series, 5000 and
5000 G-Series Desktop Processors*
– Digi Power design
– 10 Power Phase design

*Not compatible with
AMD Athlon™ Processors.

ChipsetAMD B550
MemoryMax. capacity of system memory: 128GB**
Dual Channel DDR4 Memory Technology
– 4 x DDR4 DIMM Slots
– AMD Ryzen series CPUs (Vermeer) support:
DDR4 4533+(OC) / 4466(OC) / 4400(OC) /
4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) /
4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) /
3600(OC) / 3466(OC) / 3200 / 2933 / 2667 /
2400 / 2133 ECC & non-ECC,
un-buffered memory*
– AMD Ryzen series CPUs (Matisse) support:
DDR4 4533+(OC) / 4466(OC) / 4400(OC) /
4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) /
4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) /
3600(OC) / 3466(OC) / 3200 / 2933 / 2667 /
2400 / 2133 ECC & non-ECC,
un-buffered memory*
– AMD Ryzen series APUs (Cezanne) support:
DDR4 4733+(OC) / 4666(OC) / 4600(OC) /
4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) /
4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) /
3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) /
3466(OC) / 3200 / 2933 / 2667 / 2400 /
2133 ECC & non-ECC, un-buffered memory*
– AMD Ryzen series APUs (Renoir) support:
DDR4 4733+(OC) / 4666(OC) / 4600(OC) /
4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) /
4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) /
3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) /
3466(OC) / 3200 / 2933 / 2667 / 2400 /
2133 ECC & non-ECC, un-buffered memory*
– AMD Ryzen series APUs (Picasso) support:
DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 /
2400 / 2133 non-ECC, un-buffered memory*
– Supports Extreme Memory Profile (XMP)
memory modules
– 15μ Gold Contact in DIMM Slots

*For Ryzen Series APUs (Picasso, Cezanne and Renoir),
ECC is only supported with PRO CPUs.
Please refer to below table for AMD non-XMP
memory frequency support. For more details.

**Due to the operating system limitation, the actual
memory size may be less than 4GB for the reservation
for system usage under Windows® 32-bit OS.
For Windows® 64-bit OS with 64-bit CPU, there is
no such limitation.

BIOS256Mb AMI UEFI Legal BIOS with GUI support
– Supports “Plug and Play”
– ACPI 5.1 compliance wake up events
– Supports jumperfree
– SMBIOS 2.3 support
– CPU, CPU VDDCR_SOC, DRAM, VPPM,
1.05V_PROM_S5, 2.5V_PROM, +1.8VSB,
VDDP Voltage Multi-adjustment
GraphicsIntegrated AMD Radeon Vega Series
Graphics in Ryzen Series APU*
– DirectX 12, Pixel Shader 5.0
– Shared memory default 2GB. Max Shared
memory supports up to 16GB.**
– Dual graphics output: support HDMI and
DisplayPort 1.4 ports by independent
display controllers
– Supports HDMI 2.1 with max. resolution
up to 4K x 2K (4096×2160) @ 60Hz
– Supports DisplayPort 1.4 with max. resolution
up to 5K (5120×2880)@120Hz
– Supports Auto Lip Sync, Deep Color (12bpc),
xvYCC and HBR (High Bit Rate Audio)
with HDMI 2.1 Port
(Compliant HDMI monitor is required)
– Supports HDR (High Dynamic Range)
with HDMI 2.1
– Supports HDCP 2.3 with HDMI 2.1 and
DisplayPort 1.4 Ports***
– Supports 4K Ultra HD (UHD) playback with
HDMI 2.1 and DisplayPort 1.4 Ports
– Supports Microsoft® PlayReady

*Actual support may vary by CPU

**The Max shared memory 16GB requires
32GB system memory installed.

***Picasso supports HDCP 2.2 with HDMI 2.0 Port

Audio7.1 CH HD Audio with Content Protection
(Realtek ALC1200 Audio Codec)
– Premium Blu-ray Audio support
– Supports Surge Protection
– PCB Isolate Shielding
– Individual PCB Layers for
R/L Audio Channel
– Gold Audio Jacks
– Nahimic Audio
LAN2.5 Gigabit LAN 10/100/1000/2500 Mb/s
– Dragon RTL8125BG
– Supports Dragon 2.5G LAN Software
– Smart Auto Adjust Bandwidth Control
– Visual User Friendly UI
– Visual Network Usage Statistics
– Optimized Default Setting for Game,
Browser, and Streaming Modes
– User Customized Priority Control
– Supports Wake-On-LAN
– Supports Lightning/ESD Protection
– Supports Energy Efficient Ethernet 802.3az
– Supports PXE
SlotsAMD Ryzen series CPUs (Vermeer and Matisse)
– 2 x PCI Express x16 Slots
(PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Cezanne and Renoir)
– 2 x PCI Express x16 Slots
(PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Picasso)
– 2 x PCI Express x16 Slots
(PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)*

– 1 x PCI Express 3.0 x1 Slot
– Supports AMD Quad CrossFireX™
and CrossFireX™
– 15μ Gold Contact in VGA PCIe Slot (PCIE1)
– 1 x M.2 Socket (Key E), supports
type 2230 WiFi/BT PCIe WiFi module

*Supports NVMe SSD as boot disks

Storage6 x SATA3 6.0 Gb/s Connectors,
support RAID (RAID 0, RAID 1 and RAID 10),
NCQ, AHCI and Hot Plug*
– 1 x Hyper M.2 Socket (M2_1), supports
M Key type 2280 M.2 PCI Express module
up to Gen4x4 (64 Gb/s) (with Vermeer, Matisse)
or Gen3x4 (32 Gb/s)
(with Cezanne, Renoir and Picasso)**
– 1 x M.2 Socket (M2_2), supports
M Key type 2280 M.2 SATA3 6.0 Gb/s module
and M.2 PCI Express module up to
Gen3 x2 (16 Gb/s)**

*M2_2 and SATA3_5_6 share lanes.
If either one of them is in use, the other one
will be disabled.

**Supports NVMe SSD as boot disks

Connector1 x SPI TPM Header
– 1 x Power LED and Speaker Header
– 2 x RGB LED Headers*
– 2 x Addressable LED Headers**
– 1 x CPU Fan Connector (4-pin)***
– 1 x CPU/Water Pump Fan Connector
(4-pin) (Smart Fan Speed Control)****
– 4 x Chassis/Water Pump Fan Connectors
(4-pin) (Smart Fan Speed Control)*****
– 1 x 24 pin ATX Power Connector
(Hi-Density Power Connector)
– 1 x 8 pin 12V Power Connector
(Hi-Density Power Connector)
– 1 x 4 pin 12V Power Connector
(Hi-Density Power Connector)
– 1 x Front Panel Audio Connector
– 2 x USB 2.0 Headers
(Support 4 USB 2.0 ports)
(Supports ESD Protection)
– 2 x USB 3.2 Gen1 Headers
(Support 4 USB 3.2 Gen1 ports)
(Supports ESD Protection)

*Support in total up to 12V/3A,
36W LED Strip

**Support in total up to 5V/3A,
15W LED Strip

***The CPU Fan Connector supports the
CPU fan of maximum 1A (12W) fan power.

****The CPU/Water Pump Fan supports
the water cooler fan of maximum
2A (24W) fan power.

*****The Chassis/Water Pump Fan supports
the water cooler fan of maximum
2A (24W) fan power.

CPU_FAN2/WP, CHA_FAN1/WP,
CHA_FAN2/WP, CHA_FAN3/WP and
CHA_FAN4/WP can auto detect if
3-pin or 4-pin fan is in use.

Rear Panel I/O2 x Antenna Mounting Points
– 1 x PS/2 Mouse/Keyboard Port
– 1 x HDMI Port
– 1 x DisplayPort 1.4
– 1 x Optical SPDIF Out Port
– 1 x USB 3.2 Gen2 Type-A Port
(10 Gb/s) (Supports ESD Protection)
– 1 x USB 3.2 Gen2 Type-C Port
(10 Gb/s) (Supports ESD Protection)
– 4 x USB 3.2 Gen1 Ports
(ASMedia ASM1074 hub)
(Supports ESD Protection)
– 2 x USB 2.0 Ports
(Supports ESD Protection)
– 1 x RJ-45 LAN Port with LED
(ACT/LINK LED and SPEED LED)
– 1 x Clear CMOS Button
– HD Audio Jacks:
Rear Speaker
Central
Bass
Line in
Front Speaker
Microphone (Gold Audio Jacks)
Software and UEFISoftware
– ASRock Motherboard Utility (A-Tuning)
– ASRock Polychrome SYNC*
UEFI
– ASRock Full HD UEFI
– ASRock Instant Flash

*These utilities can be downloaded from
ASRock Live Update & APP Shop.

Support CDDrivers
Utilities
AntiVirus Software (Trial Version)
Google Chrome Browser and Toolbar
AccessoriesQuick Installation Guide,
Support CD
2 x SATA Data Cables
2 x Screws for M.2 Sockets
Hardware MonitorTemperature Sensing:
CPU, CPU/Water Pump,
Chassis/Water Pump Fans
– Fan Tachometer:
CPU, CPU/Water Pump,
Chassis/Water Pump Fans
– Quiet Fan (Auto adjust chassis fan
speed by CPU temperature):
CPU, CPU/Water Pump,
Chassis/Water Pump Fans
– Fan Multi-Speed Control:
CPU, CPU/Water Pump,
Chassis/Water Pump Fans
– Voltage monitoring:
+12V, +5V, +3.3V, CPU Vcore,
CPU VDDCR_SOC, DRAM, VPPM,
1.05V_PROM_S5, +1.8V, VDDP
Form FactorMicro ATX Form Factor:
9.6-in x 9.6-in, 24.4 cm x 24.4 cm
– 2oz Copper PCB
OSMicrosoft® Windows® 10 64-bit / 11 64-bit
CertificationsFCC, CE
ErP/EuP ready
(ErP/EuP ready power supply is required)

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Brand

Platform

Chipset

AMD B550

Socket type

Max memory support

128 GB

Form factor

Micro ATX

Warranty

3 Years

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All images and descriptions are for illustrative purposes only. Visual representation of the products may not be perfectly accurate., Product specification, functions and appearance may vary by models and differ from country to country., All specifications are subject to change without notice., Product details mentioned above may contain typography or photography errors, please check with us for exact offers.

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