Gigabyte Adds CXSH Memory Support Across Its Full DDR5 Motherboard Lineup
A new BIOS update brings CXMT chip-based DDR5 support to Gigabyte AM5 boards at up to 8200 MT/s, while Intel platform users already have it out of the box.
A BIOS Fix for a Real-World Supply Problem
Memory shopping has been a headache lately. DDR5 supply has tightened across the industry, and prices have followed. Gigabyte is responding with a practical move: as of today, its entire lineup of DDR5-capable motherboards now supports CXSH (CXMT) chip-based memory, giving builders another compatible option when the usual suspects are out of stock or priced high.
The announcement, published July 24, 2026, covers both AMD and Intel platforms. For AM5 users running either 800 series or 600 series boards, the key enabler is AMD’s AGESA 1.3.0.1c firmware, combined with Gigabyte’s own memory optimization technology. Together they push support for CXMT-based DIMMs up to a stable 8200 MT/s, which Gigabyte describes as breaking a previous AM5 platform limitation. The updated BIOS is available now on Gigabyte’s product pages.
Intel users get the easier path. Gigabyte’s 800 and 700 series Intel motherboards already carry CXMT support in their current shipping BIOS, so no update is needed at all.
What CXMT Memory Actually Is
CXSH refers to DDR5 modules built on CXMT chips, available in both 16 Gb and 24 Gb densities. CXMT is a Chinese memory manufacturer, and its chips represent a growing presence in the DDR5 market. Whether a builder is chasing the lowest available price or simply trying to find modules in stock, having these chips land on Gigabyte’s compatibility list opens up real options that were not there before.
Gigabyte frames this as a direct response to the ongoing memory shortage, stating that CXMT chip-based memory offers a welcome additional source of supply. That is fairly candid language for a press release, and it reflects how constrained the market has been.
What AM5 Builders Actually Get
The headline number for AMD users is 8200 MT/s. That is a meaningful ceiling. AM5 has been chasing Intel on memory compatibility and tuning flexibility for much of its life, and a stable, validated speed target with a new class of DIMM chips is the kind of concrete spec that matters when configuring a build.
The update covers both the current 800 series and the older 600 series AM5 boards, which is notable. Gigabyte is not limiting this to its newest hardware. Builders who bought into AM5 earlier and stuck with 600 series boards get the same CXMT support, assuming they grab the BIOS update.
For Intel 800 and 700 series owners, the story is simpler. Pull the board out of the box, install current BIOS, run CXMT memory. Done.
Finding Compatibility in a Constrained Market
One user comment on TechPowerUp, posted shortly after the announcement, noted finding no other significant changes in the BIOS beyond a new IO feature on one specific board, the Elite WiFi 7 X870E. That kind of ground-level observation is useful context: this update is focused and deliberate, not a broad revision sweeping in unrelated changes.
Gigabyte says it remains committed to working with memory and platform partners to maintain broad compatibility across its lineup. With AMD’s AGESA update providing the platform-level foundation and Gigabyte building on top of it, AM5 builders now have a validated route to CXMT modules at competitive speeds, which is exactly the kind of incremental news that quietly makes a real difference at the component store.
What is CXSH (CXMT) memory?
CXSH refers to DDR5 memory modules built using CXMT chips. Gigabyte's announcement notes these are available in 16 Gb and 24 Gb densities and represent an additional supply source during a period of tight DDR5 availability.
Do AMD AM5 users need a BIOS update to use CXMT memory?
Yes. According to Gigabyte, AM5 800 and 600 series motherboard owners need to download an updated BIOS from Gigabyte's product website. The update, enabled by AMD's AGESA 1.3.0.1c alongside Gigabyte's own memory optimization work, allows stable operation at up to 8200 MT/s.
Do Intel users need to update their BIOS too?
No. Gigabyte states that Intel 800 and 700 series motherboards already include CXMT support in their current shipping BIOS, so no additional update is required.
Why does this matter given the current DDR5 market?
The DDR5 memory market has faced tight supply and rising prices in recent months, as Gigabyte notes. Adding support for CXMT chip-based modules gives builders another compatible option when sourcing memory, potentially easing both availability and cost pressures.