BIOSTAR Z790 VALKYRIE LGA1700 Motherboard Review

Motherboards/Intel LGA1700 by stefan @ 2022-12-25

While the Z790 VALKYRIE motherboard from BIOSTAR gets sometimes lower scores in benchmarks versus the EVGA Z690 CLASSIFIED which has a more mature UEFI, it compensates by having better expansion options (3 full-sized PCIe slots, no less than five M.2 for storage, individually detachable heatsinks, but also quite a bit of headers). It incorporates a 20-phase design, shielded slots, a lot of headers for fans and USB ports but also a debug LED display for signaling errors.

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Product Features


Compared with DDR4, the bandwidth is increased by 50%.

Capacity on a single module whopping 32GBs.

Support dual channels and lower power consumption.


PCIe 5.0

A New-Generation transmission technology.

Data transfer rate from 64GB/s PCIe 4.0 to 128GB/s PCIe 5.0 (2 times faster)

PCIe 5.0 can be backward compatible with PCIe 4.0 and previous versions.


PCIe 5.0 M.2

PCIe 5.0 M.2 is the latest storage interface, it delivers the highest bandwidth and lower latency.

It's 2 times faster compared with PCIe 4.0 M.2.


Digital PWM

Increases system efficiency

Has faster transient performance

Delivers stable power and reliability


105A Dr. MOS

Makes you overclock smoothly

Improves thermal performance

Delivers superior efficiency and performance

Combining 3 into a small package, Dr. MOS can reduce switching losses that enables superior efficiency and performance at higher switching frequencies.


8-Layer Low-loss PCB Design

Providing stable power and higher energy efficiency, it's able to offer the best overclocking experience.



The easiest way to update the BIOS is provided.



Offers more colorful lighting options

Supports to a wide array of peripherals

Comes with the RGB 12V LED header and ARGB 5V LED header


AURORA Utility

Adjusting the color of LED and changing system colors by VIVID LED DJ will make you fully enjoy the process of PC modding, developing your personal style.

A.I FAN utility smartly allows users to have more customizability of fan operating modes and automatically detects different temperatures.

H/W Monitor tab allows you to monitor hardware voltage, fan speed, and temperature.


Smart Update

Biostar Smart Update is a utility that can help users run online update. It can download the drivers for your motherboard from Biostar official website and install them automatically.


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