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The ASRock B450M-HDV R4.0 is a micro ATX motherboard for AMD AM4 processors, built as a low-cost base for a basic desktop. It has two DDR4 slots for up to 32GB, one PCIe Gen3 x4 M.2 slot, Gigabit LAN and triple-monitor output from Radeon Vega integrated graphics. It is the kind of board you pick when you want a working AM4 system with an upgrade path to Ryzen 5000 rather than expansion room, since it has only two memory slots and a single M.2 slot. Owners treat it as a budget workhorse; it lacks the heatsinks, extra fan headers and second M.2 slot of pricier B450 boards.
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Owners and reviewers describe it as a no-frills board that does the basics reliably for the money. It is praised for easy setup and stable running with mid-range Ryzen chips, and criticised for its thin feature set and weak power delivery under heavy CPUs.
The ASRock B450M-HDV R4.0 is a Micro ATX motherboard with an AM4 socket. It works with AMD Athlon, Ryzen 2000 Series and Ryzen 3000 Series processors. It has two DDR4 memory slots that support up to 32GB in dual-channel mode.
For storage, it has an Ultra M.2 slot (PCIe Gen3 x4, up to 32Gb/s) that also supports SATA3 6Gb/s M.2 modules. It is compatible with ASRock's U.2 Kit. AMD StoreMI technology combines an SSD and a hard drive into one drive and moves the most-used data to the SSD. It can also use up to 2GB of RAM as a last-level cache.
The board has onboard AMD Radeon Vega graphics and supports up to three monitors at once from the rear I/O, without a separate graphics card. It uses solid capacitors, ELNA audio capacitors and a Hybrid Digi Power design. Full Spike Protection helps guard components against voltage spikes. ASRock's A-Tuning software suite and Live Update & APP Shop are supported.
