The ASRock B450M Pro4 is a motherboard that offers several unique features. It includes ASRock USB 3.2 Gen2 ports, both Type-A and Type-C, with a data transfer rate of 10 Gb/s. The motherboard also features ASRock Super Alloy components, such as a premium 42A power choke, sapphire black PCB, high-density glass fabric PCB, and 2oz copper PCB. It supports ASRock Ultra M.2 for fast PCIe Gen3 x4 storage. The motherboard is equipped with ASRock Full Spike Protection, which safeguards all USB, audio, and LAN ports against power surges.
In terms of CPU compatibility, the motherboard supports AMD AM4 Socket Ryzen processors, including the Ryzen 2000, 3000, 4000 G-Series, 5000, and 5000 G-Series desktop processors. It features Digi Power design and a 9-power phase design for efficient power delivery.
The chipset used in the motherboard is the AMD Promontory B450. It supports dual-channel DDR4 memory technology with four DDR4 DIMM slots. The supported memory speeds vary depending on the CPU installed, ranging from DDR4 2133 to DDR4 3200. The maximum capacity of system memory is 128GB, and it supports Extreme Memory Profile (XMP) memory modules. The DIMM slots have 15μ gold contacts.
For graphics, the motherboard features integrated AMD Radeon Vega series graphics in Ryzen series APUs. It supports DirectX 12 and offers three graphics output options: D-Sub, DVI-D, and HDMI. It also supports triple monitor setups and 4K resolution with compatible displays.
The audio on the motherboard is provided by the Realtek ALC892 audio codec, offering 7.1 channel HD audio with content protection. It includes premium Blu-ray audio support and ELNA audio caps for improved audio quality.
In terms of storage, the motherboard has four SATA3 6.0 Gb/s connectors that support RAID (RAID 0, RAID 1, and RAID 10), NCQ, AHCI, and hot plug. It also includes an Ultra M.2 socket that supports PCIe Gen3 x4 (32 Gb/s) or Gen3 x2 (16 Gb/s) modules, depending on the installed CPU/APU.
The motherboard provides various connectors, including COM port, TPM header, chassis intrusion header, power LED and speaker header, RGB LED header, addressable LED header, and more. It also offers multiple fan connectors with smart fan speed control. The rear panel I/O features PS/2 mouse/keyboard port, D-Sub, DVI-D, HDMI, USB ports (including USB 3.2 Gen2 Type-A and Type-C ports), RJ-45 LAN port, and audio jacks.
ASRock provides software utilities like A-Tuning, Polychrome SYNC, and XFast LAN, along with a UEFI BIOS with features like Full HD UEFI and Instant Flash. The motherboard also includes hardware monitoring capabilities for temperature sensing, fan tachometer, and voltage monitoring. It has a micro ATX form factor, measuring 9.6 inches by 9.6 inches, and features solid capacitor design for enhanced durability.
