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| Brand & Model | ||
| Brand | ASRock | |
| Model | ASRock B550M Steel Legend | |
| Supported CPU | ||
| CPU Type | - Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors - Digi Power design - 10 Power Phase design |
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| Chipsets | ||
| Chipset | AMD B550 | |
| Memory | ||
| Number of Memory Slots | 128GBAMD Ryzen series CPUs (Matisse) - 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode) AMD Ryzen series APUs - 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode) - Supports AMD Quad CrossFireX and CrossFireX™ - 15μ Gold Contact in VGA PCIe Slot (PCIE1) |
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| Maximum Memory Supported | - Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots - 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 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 - Supports Extreme Memory Profile (XMP) memory modules - 15μ Gold Contact in DIMM Slots |
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| Graphic | ||
| Graphic | - 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 (4096x2160) @ 60Hz - Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880)@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 |
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| Expansion Slots | ||
| Expansion Slots | PCI - 1 x PCI Express 3.0 x1 Slot M.2 Socket - 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module |
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| Storage | ||
| Storage | - 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug | |
| Network | ||
| LAN | - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) | |
| Audio | ||
| Audio | - 7.1 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 |
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| BIOS | ||
| 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, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment |
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| Ports | ||
| USB Ports | - 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) |
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| Internal 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 (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) |
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| 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 - 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 |
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| Warranty | ||
| Warranty | 03 Years | |
| Form Factor | ||
| Form Factor | -Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm - 2oz Copper PCB |
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Steel Legend represents the philosophical state of rock-solid durability and irresistible aesthetics. Built around most demanding specs and features, the Steel Legend series aims at daily users and mainstream enthusiasts. Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details. The Sound Tracker is the visual indicator which points out the directions from which predominant sounds are coming. Each sound is properly positioned in 360° on a radar for a full immersion during the game. Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications. In compared to traditional chokes, ASRock’s premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard. Diminishes 23% power loss and decreases the connector’s temperature by 22 degrees Celsius. 2 ounce copper inner layers that provide stable signal traces and power shapes. Delivers lower temperature and higher energy efficiency for overclocking, it's able to support the latest DDR4 memory modules with most extreme memory performance. ASRock provides a very comprehensive control to perform the built-in RGB LEDs or the connected LED strips, CPU fans, coolers, chassis and any RGB devices smoothly. Devices can be synchronized across the Polychrome RGB Sync-certified accessories as well. Automatically detects and accelerates game traffic ahead of other network traffic for smoother, stutter-free in-game performance and the competitive edge. Hyper M.2 socket that supports PCIe Gen4 x4 while M.2 socket(22110 M.2 NVMe SSD) is capable of running PCIe Gen3 x2 and SATA3 mode. ASRock provides a completed M.2 armor solution that makes SSDs to run in a certain low temperature. Besides the onboard LAN port, users may also choose 802.11ac wireless connections by M.2 (Key E) slot. B550M Steel Legend allows tolerance space and IO shield that is adjustable while installing, thus fitting chassis perfectly without any mechanical issue. Packed with a HDMI + DisplayPort combo, user have more graphics output options now.
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