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ASRock B550 STEEL LEGEND AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard
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- BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU
- AMD B550
- Supports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series Processors
- 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 (AMD Ryzen series CPUs (Vermeer & Matisse), APUs (Cezanne & Renoir) support)
- DDR4 3600+(OC) / 3466(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 (AMD Ryzen series APUs (Picasso) support)
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Specs
Learn more about the ASRock B550 STEEL LEGEND
| Brand | ASRock |
|---|---|
| Model | B550 STEEL LEGEND |
| CPU Socket Type | AM4 |
|---|---|
| CPU Type | Supports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series Processors * * Not compatible with AMD Athlon Processors. * BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU. Refer to ASRock website for CPU support list. |
| Chipset | AMD B550 |
|---|
| Number of Memory Slots | 4x288pin (DDR4) |
|---|---|
| Memory Standard | 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 (AMD Ryzen series CPUs (Vermeer & Matisse), APUs (Cezanne & Renoir) support) DDR4 3600+(OC) / 3466(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 (AMD Ryzen series APUs (Picasso) support) |
| Maximum Memory Supported | 128GB |
| Channel Supported | Dual Channel |
| ECC Supported | Yes * For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs. |
| Buffer Supported | Un-buffered |
| PCI Express 4.0 x16 | 1 x PCI Express 4.0 x16* * Actual support may vary by CPU. * Supports NVMe SSD as boot disks. |
|---|---|
| PCI Express 3.0 x16 | 1 x PCI Express 3.0 x16* * Supports NVMe SSD as boot disks. |
| PCI Express x1 | 2 x PCI Express 3.0 x1 |
| Other Slots | 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module 15µ Gold Contact in VGA PCIe Slot (PCIE1) |
| SATA 6Gb/s | 6 x SATA 6Gb/s* * M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled. |
|---|---|
| M.2 | 1 x Hyper M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280 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 2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)* * Supports NVMe SSD as boot disks. * Supports ASRock U.2 Kit. |
| SATA RAID | 0/1/10 |
| Onboard Video Chipset | Supported only by CPU with integrated graphic |
|---|
| Audio Chipset | Realtek ALC1220 |
|---|---|
| Audio Channels | 7.1 Channels |
| LAN Chipset | Dragon RTL8125BG |
|---|---|
| Max LAN Speed | 2.5Gbps |
| Back I/O Ports | 2 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 (10Gb/s) (Supports ESD Protection) 1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection) 2 x USB 3.2 Gen1 Ports (Supports ESD Protection) 4 x USB 2.0 Ports (Supports ESD Protection)* 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks) * Ultra USB Power is supported on USB_34 ports. * ACPI wake-up function is not supported on USB_34 ports. |
|---|
| Onboard USB | 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) 1 x Front Panel Type C USB 3.2 Gen1 Header (Supports ESD Protection) |
|---|---|
| Other Connectors | 1 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)**** 5 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)***** 1 x Front Panel Audio Connector (15µ Gold Audio Connector) 1 x Dr. Debug with LED * 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. **** CPU_FAN2/WP_3A supports the water cooler fan of maximum 3A (36W) fan power. ***** The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. ***** CPU_FAN2/WP_3A, CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP, CHA_FAN4/WP and CHA_FAN5/WP can auto detect if 3-pin or 4-pin fan is in use. |
| Form Factor | ATX |
|---|---|
| LED Lighting | RGB |
| Dimensions (W x L) | 12.0" x 9.6" |
| Power Pin | 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) |
| Windows 11 | Supported |
|---|
| Features | Unique Feature: ASRock USB 3.2 Gen2 - ASRock USB 3.2 Gen2 Type-A Port (10Gb/s) - ASRock USB 3.2 Gen2 Type-C Port (10Gb/s) ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 60A Power Choke - 50A Dr.MOS - Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke) - 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 Ultra USB Power ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop BIOS: - 256MB 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, VTT_DDR Offset, CPU VDD 1.8 Voltage Multi-adjustment Software and UEFI: Software - ASRock Motherboard Utility (A-Tuning) - ASRock Dragon 2.5G LAN Software - ASRock Polychrome SYNC* UEFI - ASRock Full HD UEFI - ASRock Instant Flash * These utilities can be downloaded from ASRock Live Update & APP Shop. Support CD: - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar Hardware Monitor: - Temperature 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, CPU VDD 1.8V OS: - Microsoft Windows 10 64-bit / 11 64-bit Certifications: - FCC, CE - ErP/EuP ready (ErP/EuP ready power supply is required) |
|---|
| Date First Available | March 24, 2021 |
|---|
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
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Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-909-590-8308
- Support Email: support@asrockamerica.com
- Support Website
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