About ASRock B550M Steel Legend Micro ATX Motherboard
ASRock B550M Steel Legend Micro ATX Motherboard has been built for daily users and enthusiasts. It is made with reliable components and provides a stable performance. The PC motherboard features 4 x DDR4 RAM (up to 128GB), an attractive appearance.
ASRock B550M Steel Legend Micro ATX Motherboard always provides up-to-mark performance for every task. Whether you’re using headphones, headsets, external or internal speakers via USB, Wi-Fi, analog output, or even HDMI, Nahimic Audio gives you the most exciting listening experience, vivid and rich in detail.
Feature Highlights:
Adaptable with AMD AM4 Socket – Ryzen 3000 & 3000 G-Series, Ryzen 4000 G-Series, Ryzen 5000 & 5000 G-Series Desktop CPU. But does not support AMD Athlon Processors.
10 Power Phase Design.
Digi Power with 50A Dr. MOS.
Compatible with DDR4 4733+ (OC)
HDMI, DisplayPort 1.4 for Graphics Output
AMD CrossFireX for Multi GPU Performance.
6 x SATA3 6.0 Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
2 x 3.2 Gen2 both Type A & C, 8 x USB 3.2 Gen1 ( 2 x Front, 2 x Rear, 1x Front Type-C)
1. ASRock USB 3.2 Gen2
a. ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
b. ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s) 2. ASRock Super Alloy
a. XXL Aluminum Alloy Heatsink
b. Premium 60A Power Choke
c. 50A Dr.MOS
d. Nichicon 12K Black Caps (100% Japan-made high-quality conductive polymer capacitors)
e. I/O Armor
f. Matte Black PCB
g. High-Density Glass Fabric PCB
h. 2oz Copper PCB 3. 2.5G LAN 4. ASRock Steel Slot Gen4 5. ASRock Full Coverage M.2 Heatsink 6. ASRock Hyper M.2 (PCIe Gen4x4) 7. ASRock POST Status Checker (PSC) 8. ASRock Full Spike Protection (for all USB, Audio, LAN Ports) 9. ASRock Live Update & APP Shop
CPU
1. Supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors (Note – Not compatible with AMD Athlon Processors.)
2. Digi Power design
3. 10 Power Phase design
Chipset
1. AMD B550
Memory
1. Dual Channel DDR4 Memory Technology
2. 4 x DDR4 DIMM Slots
3. 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
4. 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
5. 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
6. 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
7. AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory
8. Max. capacity of system memory: 128GB
9. Supports Extreme Memory Profile (XMP) memory modules
10. 15μ Gold Contact in DIMM Slots Note –
1. For Ryzen Series APUs (Picasso, Cezanne, and Renoir), and ECC is only supported with PRO CPUs.
2. 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.
BIOS
1. 256Mb AMI UEFI Legal BIOS with GUI support
2. Supports “Plug and Play”
3. ACPI 5.1 compliance wake-up events
4. Supports jumperfree
5. SMBIOS 2.3 support
6. CPU, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment
Graphics
1. Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU (Note – Actual support may vary by CPU.)
2. DirectX 12, Pixel Shader 5.0
3. Shared memory default 2GB. Max Shared memory supports up to 16GB. (Note – The Max shared memory 16GB requires 32GB system memory installed.)
4. Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers
5. Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096×2160) @ 60Hz
6. Supports DisplayPort 1.4 with max. resolution up to 5K (5120×2880)@120Hz
7. Supports Auto Lip Sync, Deep Color (12bpc), xvYCC, and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required)
8. Supports HDR (High Dynamic Range) with HDMI 2.1
9. Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports (Note – Picasso supports HDCP 2.2 with HDMI 2.0 Port.)
10. Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports
11. Supports Microsoft PlayReady
Audio
1. 7.1 CH HD Audio with Content Protection (Realtek ALC1220/ALC1200 Audio Codec)
2. Premium Blu-ray Audio support
3. Supports Surge Protection
4. PCB Isolate Shielding
5. Individual PCB Layers for R/L Audio Channel
6. Gold Audio Jacks
7. Nahimic Audio
LAN
1. 2.5 Gigabit LAN 10/100/1000/2500 Mb/s 2. Dragon RTL8125BG 3. Supports Dragon 2.5G LAN Software
a. Smart Auto Adjust Bandwidth Control
b. Visual User Friendly UI
c. Visible Network Usage Statistics
d. Optimized Default Setting for Game, Browser, and Streaming Modes
e. User Customized Priority Control 4. Supports Wake-On-LAN 5. Supports Lightning/ESD Protection 6. Supports Energy Efficient Ethernet 802.3az 7. Supports PXE
Slots
1. AMD Ryzen series CPUs (Vermeer and Matisse)
a. 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode) 2. AMD Ryzen series APUs (Cezanne and Renoir)
a. 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode) 3. AMD Ryzen series APUs (Picasso)
a. 2 x PCI Express x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)
b. 1 x PCI Express 3.0 x1 Slot
c. Supports AMD Quad CrossFireX and CrossFireX
d. 15μ Gold Contact in VGA PCIe Slot (PCIE1)
e. 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module Note – Supports NVMe SSD as boot disks
Storage
1. 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
2. 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)
3. 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) Note –
1. M2_2 and SATA3_5_6 share lanes. If either of them is in use, the other one will be disabled.
2. Supports NVMe SSD as boot disks
Connector
1. 1 x SPI TPM Header
2. 1 x Power LED and Speaker Header
3. 2 x RGB LED Headers (Note – Support in total up to 12V/3A, 36W LED Strip)
4. 2 x Addressable LED Headers (Note – Support in total up to 5V/3A, 15W LED Strip)
5. 1 x CPU Fan Connector (4-pin) (Note – The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.)
6. 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) (Note – The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.)
7. 4 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control) (Note – 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 a 3-pin or 4-pin fan is in use.)
8. 1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
9. 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
10. 1 x 4 pin 12V Power Connector (Hi-Density Power Connector)
11. 1 x Front Panel Audio Connector
12. 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
13. 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection)
Rear Panel I/O
1. 2 x Antenna Mounting Points
2. 1 x PS/2 Mouse/Keyboard Port
3. 1 x HDMI Port
4. 1 x DisplayPort 1.4
5. 1 x Optical SPDIF OutPort
6. 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)
7. 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)
8. 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
9. 2 x USB 2.0 Ports (Supports ESD Protection)
10. 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
11. 1 x Clear CMOS Button
12. HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
Software and UEFI
1. Software
a. ASRock Motherboard Utility (A-Tuning)
b. ASRock Polychrome SYNC (Note – These utilities can be downloaded from ASRock Live Update & APP Shop) 2. UEFI
a. ASRock Full HD UEFI
b. ASRock Instant Flash
Support CD
1. Drivers
2. Utilities
3. AntiVirus Software (Trial Version)
4. Google Chrome Browser and Toolbar
Hardware Monitor
1. Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans
2. Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans
3. Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans
4. Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans
5. Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, +1.8V, VDDP
OS
1. Microsoft Windows 10 64-bit / 11 64-bit
Certifications
1. FCC, CE
2. ErP/EuP ready (ErP/EuP ready power supply is required)
Form Factor
1. Micro ATX Form Factor: 9.6-in x 9.6-in (24.4 cm x 24.4 cm)
2. 2oz Copper PCB
Accessories
1. Quick Installation Guide, Support CD
2. 2 x SATA Data Cables
3. 2 x Screws for M.2 Sockets
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