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ASROCK B450M Steel Legend
Features
- AMD AM4 Socket
- Supports DDR4 3533+ (OC)
- 1 PCIe 3.0 x16, 1 PCIe 2.0 x16, 1 PCIe 2.0 x1
- AMD Quad CrossFireX™
- Graphics Output: DisplayPort, HDMI
- 7.1 CH HD Audio (Realtek ALC892 Audio Codec), Nichicon Fine Gold Series Audio Caps
- 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (SATA3)
- 2 USB 3.1 Gen2 (Rear Type-A+C)
- 6 USB 3.1 Gen1 (2 Front, 4 Rear)
- Realtek Gigabit LAN
Specifications
| Unique Feature |
ASRock USB 3.1 Gen2
– ASRock USB 3.1 Gen2 Type-A Port (10 Gb/s) – ASRock USB 3.1 Gen2 Type-C Port (10 Gb/s) ASRock Super Alloy – XXL Aluminum Alloy Heatsink – Premium 60A Power Choke – Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors) – I/O Armor – Sapphire Black PCB – High Density Glass Fabric PCB – 2oz Copper PCB ASRock Steel Slot ASRock Ultra M.2 (PCIe Gen3 x4) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop |
| CPU | – AMD AM4 Socket – Digi Power design – 6 Power Phase design |
| Chipset | – AMD Promontory B450 |
| Memory | – Dual Channel DDR4 Memory Technology – 4 x DDR4 DIMM Slots – AMD Ryzen series CPUs (Matisse) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* – AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3533+(OC) / 3200(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* – AMD Ryzen series CPUs (Picasso) support DDR4 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* – AMD Ryzen series CPUs (Summit Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* – AMD Ryzen series CPUs (Raven Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* – Max. capacity of system memory: 64GB** – Supports Extreme Memory Profile (XMP) memory modules – 15μ Gold Contact in DIMM Slots *For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.
Please refer to below table for AMD non-XMP memory frequency support. **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.
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BIOS
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– 128Mb AMI UEFI Legal BIOS with multilingual GUI support – Supports “Plug and Play” – ACPI 5.1 compliance wake up events – Supports jumperfree – SMBIOS 2.3 support – DRAM Voltage multi-adjustment |
| 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 1.2 ports by independent display controllers – Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096×2160) @ 24Hz / (3840×2160) @ 30Hz – Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096×2160) @ 60Hz – Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant HDMI monitor is required) – Supports HDCP 1.4 with HDMI 1.4 and DisplayPort 1.2 Ports – Supports 4K Ultra HD (UHD) playback with HDMI 1.4 and DisplayPort 1.2 Ports *Actual support may vary by CPU **The Max shared memory 16GB requires 32GB system memory installed. |
| Audio | – 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec) – Premium Blu-ray Audio support – Supports Surge Protection – Nichicon Fine Gold Series Audio Caps – PCB Isolate Shielding – Individual PCB Layers for R/L Audio Channel – Gold Audio Jacks |
| LAN | – PCIE x1 Gigabit LAN 10/100/1000 Mb/s – Realtek RTL8111H – Supports Wake-On-LAN – Supports Lightning/ESD Protection – Supports Energy Efficient Ethernet 802.3az – Supports PXE |
| Slots | AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge) – 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)* – 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) AMD Ryzen series CPUs (Picasso, Raven Ridge) – 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode) (If you use Athlon 2xxGE series APU, PCIE2 slot will run at x4 mode.) – 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) AMD Athlon series CPUs – 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)* – 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)- 1 x PCI Express 2.0 x1 Slot – Supports AMD Quad CrossFireX™ and CrossFireX™ *Supports NVMe SSD as boot disks
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Storage
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– 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug* – 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon series APU and Raven Ridge 2)** – 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module* *M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled. **Supports NVMe SSD as boot disks |
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Connector
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– 1 x COM Port Header – 1 x TPM Header – 1 x Chassis Intrusion Header – 1 x Power LED and Speaker Header – 1 x RGB LED Header* – 1 x Addressable LED Header** – 1 x AMD Fan LED Header*** – 1 x CPU Fan Connector (4-pin)**** – 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)***** – 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)****** – 1 x 24 pin ATX Power Connector – 1 x 8 pin 12V Power Connector – 1 x Front Panel Audio Connector – 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) – 1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection) *Supports in total up to 12V/3A, 36W LED Strip **Supports in total up to 5V/3A, 15W LED Strip ***The AMD Fan LED Header supports LED strips of maximum load of 3A (36W) and length up to 2.5M. ****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. |
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Rear Panel I/O
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– 1 x PS/2 Mouse/Keyboard Port – 1 x HDMI Port – 1 x DisplayPort 1.2 – 1 x Optical SPDIF Out Port – 2 x USB 2.0 Ports (Supports ESD Protection) – 1 x USB 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) – 1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) – 4 x USB 3.1 Gen1 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) |
| Software and UEFI |
Software
– ASRock A-Tuning – ASRock Polychrome SYNC – ASRock XFast LAN UEFI – ASRock Full HD UEFI – ASRock Instant Flash – ASRock Easy RAID Installer *These utilities can be downloaded from ASRock Live Update & APP Shop.
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Support CD
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– Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar |
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Accessories
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– Quick Installation Guide, Support CD, I/O Shield – 2 x SATA Data Cables – 2 x Screws for M.2 Sockets |
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Hardware Monitor
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– 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 – CASE OPEN detection – Voltage monitoring: +12V, +5V, +3.3V, Vcore |
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Form Factor
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– Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm |
| OS | – Microsoft® Windows® 10 64-bit |
| Certifications | – FCC, CE – ErP/EuP ready (ErP/EuP ready power supply is required) |
| Warranty | 3 Years |
| Note | ***Features, Price and Specifications are subject to change without notice. |
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