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Micro ATX motherboard with black PCB and silver heatsinks

ASRock

ASRock B450M-HDV R4.0 AM4 AMD motherboard

SKU CH-ZS01-40PTX

Micro-ATX AM4 board with B450 chipset, six-phase power for 105 W CPUs, DDR4 3200 OC support, 7.1 audio, gigabit LAN, one PCIe 3.0 x16, one PCIe 2.0 x1, four SATA ports.

  • Socket AM4 with 6-phase power supports CPUs up to 105W
  • AMD Promontory B450 chipset for Ryzen processor compatibility
  • PCIe 3.0 x16 and x4 slots plus PCIe 2.0 x1 for expansion
  • Realtek ALC887 7.1-channel audio and RTL8111H Gigabit LAN
  • DDR4 up to 3200 OC with SATA 3.0 and USB 3.1 Gen1 connectivity

AM4 socket, 105 W CPU limit

The ASRock B450M-HDV R4.0 is a micro-ATX motherboard built around the AMD Promontory B450 chipset. It accepts AM4-socket Ryzen processors with a maximum TDP of 105 W. The six-phase power delivery is designed to keep those CPUs stable during everyday workloads.

Single PCIe 3.0 x16 slot, four SATA 3 ports

One full-length PCI Express 3.0 x16 slot handles a graphics card while two additional x16 slots run at x8 and x4 for extra add-in cards. Four SATA 3 connectors and one M.2 slot supporting both PCIe Gen3 x4 and SATA 3 drives provide storage flexibility. Six USB 3.1 Gen1 ports cover peripheral needs without extra headers.

7.1-channel audio, Gigabit LAN

The Realtek ALC887 codec delivers 7.1-channel high-definition audio for sustained media playback. A Realtek RTL8111H Gigabit Ethernet controller maintains wired network throughput during long transfers. Sapphire black PCB construction supports component longevity under continuous operation.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $57.99
Cheaper than about 90% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASRock

Questions about this item

Will the 6-phase VRM and 105 W CPU limit throttle during long workloads?

The 6-phase power design is rated for CPUs up to 105 W, so sustained loads within that envelope should run without VRM throttling.

How loud or hot does the board get when running all day?

With no onboard active cooling and only passive heatsinks, temperatures and noise depend entirely on your CPU cooler and case airflow.

Which Ryzen CPUs and DDR4 memory kits are guaranteed to work out of the box?

The board supports AM4-socket Ryzen processors and DDR4 up to 3200 (OC); check the vendor QVL for exact model validation.

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