ASRock B450M-HDV R4.0 Review & Specs

ASRock B450M-HDV R4.0 Socket AM4 SATA3&USB3.1 M.2 A&GbE MicroATX

ASRock B450M-HDV R4.0 Socket AM4 SATA3&USB3.1 M.2 A&GbE MicroATX

- ASRock

Merchant Price
In Stock
$67.99 Buy
(Used from $99.00) Last updated 29 minutes ago.
In Stock
$71.99 Buy
In Stock
$89.13 Buy
Affiliate links disclosure
* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.

Cup: socket AM4, 6 power Phase design, supports CPU up to 105W
Chipset: AMD Promontory B450
Slots: 3x PCI-Express 3.0 x16 Slots (one runs at x8, one runs at x4), 1x PCI Express 2.0 x1 Slot
Audio: Relate ALC887 7.1-Channel High Definition Audio CODEC
LAN: Relate RTL8111H PCIE x1 Gigabit Ethernet Controller

Specs Overview

  • B450M-HDV R4.0
  • 90-MXB9N0-A0UAYZ
Release Date February 2019

* First availability for purchase, it may not correspond to the actual market launch date.

Socket AM4
Form factor Micro ATX
Chipset AMD B450
Supported Memory DDR4:
2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM compatibility support may also depend on the CPU memory controller
ECC RAM Support
Audio Chipset Realtek ALC887
Audio Channels 7.1 Channels
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 1 x PS/2 Mouse/Keyboard Port
  • 1 x D-Sub Port
  • 1 x DVI-D Port
  • 1 x HDMI Port
  • 2 x USB 2.0 Ports (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: Line in / Front Speaker / Microphone
Wireless LAN
PCI-Express x16 Slots 1
PCI-Express x4 Slots 0
PCI-Express x1 Slots 1
SATA 6 Gbps Ports 4
SATA Express Ports 0
M.2 Ports 1
RAM Slots 2
Maximum Supported RAM 32GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0

Compare ASRock B450M-HDV R4.0 with similar Motherboards

Saved comparisons