คำอธิบาย
Brand | ASROCK |
Model | B550 Steel Legend |
CPU Support | Supports 3rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™ Processors* Digi Power design 14 Power Phase design *Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G. |
CPU Brand | AMD |
Socket | AM4 |
Chipset | AMD B550 |
Memory Support | Dual Channel DDR4 Memory Technology 4 x DDR4 DIMM Slots AMD Ryzen series CPUs (Matisse) 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 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* Max. capacity of system memory: 128GB** *For Ryzen Series CPUs (Picasso), ECC is only supported with PRO CPUs. |
Maximum Memory Bus | 4733 |
Graphics | Integrated 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 |
Multi Graphic Support | N/A |
Audio | 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec) Premium Blu-ray Audio support Supports Surge Protection 120dB SNR DAC with Differential Amplifier NE5532 Premium Headset Amplifier for Front Panel Audio Connector (Supports up to 600 Ohm headsets) Pure Power-In Direct Drive Technology PCB Isolate Shielding Impedance Sensing on Rear Out port Individual PCB Layers for R/L Audio Channel Gold Audio Jacks 15μ Gold Audio Connector Nahimic Audio |
Expansion Slots | AMD Ryzen series CPUs (Matisse) 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)*\ AMD Ryzen series APUs Supports AMD Quad CrossFireX™ and CrossFireX™ *Supports NVMe SSD as boot disks |
Maximum PCIe Version | PCIe 3.0 |
Storage | 6 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 2230/2242/2260/2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s)** 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)** *M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled. |
M.2 Storage Type Support | Nvme |
M.2 Slot | 2 |
USB | 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) 2 x USB 3.2 Gen1 Ports (Supports ESD Protection) 4 x USB 2.0 Ports (Supports ESD Protection)* 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) |
Internal I/O 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 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 (15μ Gold Audio Connector) 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) 1 x Dr. Debug with LED *Support in total up to 12V/3A, 36W LED Strip |
Back Panel Connectors | 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 (10 Gb/s) (Supports ESD Protection) 1 x USB 3.2 Gen2 Type-C Port (10 Gb/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. |
LAN | 2.5 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 |
Wireless Data Network | None |
Form Factor | ATX |
H/W Monitoring | Temperature Sensing : CPU, CPU/Water Pump, Chassis/Water Pump Fans
Fan Tachometer : 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 |
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 |
Special Features | ASRock 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 2.5G LAN |
Software Features | Software – ASRock Motherboard Utility (A-Tuning) – ASRock Dragon 2.5G LAN Software – ASRock Polychrome SYNC* UEFI *These utilities can be downloaded from ASRock Live Update & APP Shop. |
Operating System Support | Microsoft® Windows® 10 64-bit |
Package Contents | Quick Installation Guide, Support CD 2 x SATA Data Cables 3 x Screws for M.2 Sockets 2 x Standoffs for M.2 Sockets |
Package Dimension | (W x D x H) : 33.00 x 38.50 x 9.50 cm |
Gross Weight | 2.30 KG |
Volume | 12,069.75 cm3 |