Friday, July 24th 2026

Gigabyte Breaks the DDR5 Bottleneck: Full Motherboard Lineup Now Supports CXSH (CXMT) Memory

Gigabyte Technology Co. Ltd, a leading manufacturer of motherboards, graphics cards, and hardware solutions, today announced that its full lineup of DDR5 motherboards now supports CXSH (CXMT) chip-based memory, giving consumers more options and greater availability amid an ongoing industry-wide memory shortage. The BIOS optimization enables AM5 800/ 600 series motherboards to run CXSH (CXMT) chip-based memory stably at 8200 MT/s, while Intel 800/ 700 series platforms support CXSH (CXMT) chip-based memory out of the box.

Following AMD's release of AGESA 1.3.0.1c and Gigabyte's own memory optimization technology, AM5 motherboards across both the 800 series and 600 series now support CXSH (CXMT) chip-based memory, including 16 Gb and 24 Gb densities. With this update, Gigabyte AM5 motherboards can now stably run these DIMMs at speeds of up to 8200 MT/s, breaking the previous AM5 platform limitation and giving builders more performance headroom on AMD's platform. Meanwhile, Gigabyte's Intel 800 and 700 series motherboards already support CXSH (CXMT) chip-based memory through their current shipping BIOS, with no additional update required.
The DDR5 memory market has faced tight supply and rising prices in recent months, and CXSH (CXMT) chip-based memory offers a welcome additional source of supply for consumers. In response, Gigabyte added support for CXSH (CXMT) chip-based memory to expand compatibility and give consumers more flexibility when sourcing memory for their systems.

Gigabyte remains committed to working closely with memory and platform partners to ensure the broadest possible compatibility across its motherboard lineup, helping consumers build high-performance systems despite ongoing market constraints.
  • AMD 800 and 600 series motherboards: Updated BIOS supporting CXSH (CXMT) chip-based memory is now available for download on the product website.
  • Intel 800 and 700 series motherboards: CXSH (CXMT) chip-based memory support is already included in current shipping BIOS—no update required.
Source: Gigabyte
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13 Comments on Gigabyte Breaks the DDR5 Bottleneck: Full Motherboard Lineup Now Supports CXSH (CXMT) Memory

#1
jesdals
Found no other changes to existing memory - new IO feature for wifi and Bluetooth on Elite Wifi 7 x870e board
Posted on Reply
#2
_roman_
I doubt gigglebyte is a leading manufacturer, maybe in explosive devices and slimy hardware. (hint. power supply unit and not proper evaluated thermal slime on graphic cards)

Are those DRAM not DDR5 compatible or is this just the useless default profies. Does this Chinese company not use proper expo profiles? something does not make any sense.

expo should define most of the DDR5 value. DDR5 should boot after any CMOS reset on any motherboard with the safe default values. I read it that way that gigglebyte can not boot DDR5 dram when there is no base profile in the Flash EEPROM for the uefi, sometimes wrongly named BIOS.
Posted on Reply
#3
PixelTech
Does this mean AM5's sweet spot is going to move to a higher speed now, to something above 6,000/6,200?
Posted on Reply
#4
LTUGamer
_roman_I doubt gigglebyte is a leading manufacturer, maybe in explosive devices and slimy hardware. (hint. power supply unit and not proper evaluated thermal slime on graphic cards)

Are those DRAM not DDR5 compatible or is this just the useless default profies. Does this Chinese company not use proper expo profiles? something does not make any sense.

expo should define most of the DDR5 value. DDR5 should boot after any CMOS reset on any motherboard with the safe default values. I read it that way that gigglebyte can not boot DDR5 dram when there is no base profile in the Flash EEPROM for the uefi, sometimes wrongly named BIOS.
Yes Gigglebyte made explosive Power supplies in some lab scenarios, that is why you shouldn't buy their motherboards
Asus have RMA issues + their software is dangerous for network safety + they are burning AM5 CPUs, that is why you shouldn't buy their motherboards
Asrock AM5 motherboards kills CPUs, probably more often than Asus, that is why you shouldn't buy their motherboards
MSI have shady review practises + their prebuilds are crapier than Gigabyte PSUs, , that is why you shouldn't buy their motherboards

So what motherboard should I buy?

I always knew that Biostar is the only one solid choice :D
Posted on Reply
#5
Paganstomp
If I get a chance to buy CXMT RAM I might try it in the B850.

My fleet of Gigabyte boards for the haters.
Posted on Reply
#6
Nathaaab
PixelTechDoes this mean AM5's sweet spot is going to move to a higher speed now, to something above 6,000/6,200?
Isn't that where it has always been? The biggest limitation to going higher is how the CPU itself is built, and you need to go much higher to compensate the extra latency from running unsynced
Posted on Reply
#7
FR3D1
Ninja Cat
OT;
LTUGamerI always knew that Biostar is the only one solid choice :D
I'll throw Foxconn into the mix here... They no longer produce boards under their own name, but they're still practically ubiquitous.


Regards,
Fred.
Posted on Reply
#8
Dukenukemx
I welcome our Chinese ram overlords.
Posted on Reply
#9
maxfly
Someone wake me when prices start coming down.
Posted on Reply
#10
A&P211
_roman_I doubt gigglebyte is a leading manufacturer, maybe in explosive devices and slimy hardware. (hint. power supply unit and not proper evaluated thermal slime on graphic cards)

Are those DRAM not DDR5 compatible or is this just the useless default profies. Does this Chinese company not use proper expo profiles? something does not make any sense.

expo should define most of the DDR5 value. DDR5 should boot after any CMOS reset on any motherboard with the safe default values. I read it that way that gigglebyte can not boot DDR5 dram when there is no base profile in the Flash EEPROM for the uefi, sometimes wrongly named BIOS.
To me, they are the leading supplier of warranty claim denials.

Many of my coworkers who have a high end PC never buy Gigabyte for that reason.
DukenukemxI welcome our Chinese ram overlords.
Let's call it "commie red".
Posted on Reply
#11
AsRock
TPU addict
jesdalsFound no other changes to existing memory - new IO feature for wifi and Bluetooth on Elite Wifi 7 x870e board
O Ohh, i removed them from my boards just don't need them haha. In fact on my Giga board there is no option to disable wifi\bluetooth in the bios.
Posted on Reply
#12
_roman_
LTUGamerYes Gigglebyte made explosive Power supplies in some lab scenarios, that is why you shouldn't buy their motherboards
Asus have RMA issues + their software is dangerous for network safety + they are burning AM5 CPUs, that is why you shouldn't buy their motherboards
Asrock AM5 motherboards kills CPUs, probably more often than Asus, that is why you shouldn't buy their motherboards
MSI have shady review practises + their prebuilds are crapier than Gigabyte PSUs, , that is why you shouldn't buy their motherboards

So what motherboard should I buy?
Has the am5 motherboard a decent layout?
docs.google.com/spreadsheets/d/1NQHkDEcgDPm34Mns3C93K6SJoBnua-x9O-y_6hv8sPs/edit?gid=446857487#gid=446857487

Yes -> Step 2 -> Did it get proper firmware -> watch over several months.
docs.google.com/spreadsheets/d/12zg6yT_H7H-W1voyw1ZoIrj0GSE7WI4Ug-uLlv-Asa8/edit?gid=937453961#gid=937453961

In my biased view, what i remember, what i did not write down.
e.g. my asus prime etc. asus prime and tuf gets much later a uefi update
Avoid anything which is ASUS Prime and TUF.
Avoid anything which has not visual passive cooler only for all the cpu related power regulation. if it has a fan, avoid it. if the motherboard has a fan, avoid it.

I learned it the wrong way.
I wanted to test something else and bought after two MSI, one ASUS, than a MSI. The asus is lying around for 15 months because the asus prime x670-p is dell grade. asus did not reveal for more than 4 weeks an uefi update, although a massive security breach CVE was known. Fact. that was the reason i had to replace it with some other issues.

MSI X670E gaming plus wifi does clock higher, but has firmware issues in regards of the post screen and initialisation to keep it short.
A fact is, i put a reset switch next to my usb high end sound card. when the motherboard does not wake up fast enough, indicated by the usb device, keyboard light, monitor etc i use instantly the reset button. than the msi motherboard boots faster. also when the screen does not initalisie because two monitors are too much for the acer graphic card + that msi motherboard. that msi motherboard had before problems with the asus graphic card.

--

I can not recommend a brand. The least problematic brand and high performance is msi for my personal choice. ASROCK / Biostar / NZXT = ASROCK / Sapphire = not sure .. is it ASROCK sell too few boards or have problems over the time with dead cpus, etc.

It seems the most common choice are MSI and ASUS for AM5 and AM4. ASUS especially the high end Strix etc. series. If I would be willing to spend in the 350€ range I may consider teh asus strix series.
PixelTechDoes this mean AM5's sweet spot is going to move to a higher speed now, to something above 6,000/6,200?
The memory controller is in the am5 cpu.

What i saw MSI X670E clocks better than ASUS X670. A bit is related to the motherboard but a lot is related to the firmware and cpu.

--

I did not update my uefi. My motherboard seems also to have gotten that "chinese based" memory stuff. when i remember that company names properly i will name them in future. I assume it is only chinese memory related changes, maybe just some default profiles or the hidden values have got added which may be not stored in the expo memory profile.

msi reveals itself with
- AGESA PI-1.3.0.1b Patch A updated.

i claim / can not proof ... it is still agesa 1.3.0.1 with just changes for the ryzen 9000 memory encryption and chinese memory profiles

www.msi.com/Motherboard/X670E-GAMING-PLUS-WIFI/support
Posted on Reply
#13
Dukenukemx
A&P211Let's call it "commie red".
We have nothing to lose except over priced ram.
Posted on Reply
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