Do you need to update bios for Intel 13th gen?

As far as my knowledge the Z790 boards will support 13th gens out of box. Z690 boards need to be flashed back( Bios Update) to support a 13th gen.

Can I run 64gb of 6400MHz RAM on this motherboard? The Manual doesn't specify 6400MHz support, but a website was saying it's usable after BIOS update?

Go off of the brands website data. That would be the most accurate.

GIGABYTE Z790 IS there a variant with more pcie slots and without onboard video? Goal: Fastest handbrake PC ?

If your after a fast gaming rig, this will do. Things of importance. Pci-x 5, pci-x 4, chipset supports DDr5, capable with 13th gen Itel cpu. Bout it, no need for more pci-x slots as most only support 1 5x, 2 4x and rest 3x. Thins one has a 5x for 4080ti RTX, pci-x 4 for best ssd and 3rd and 4th for anything else like a more affordable ssd for storage. There are no other MBs with more slots but some have for example 2 5x slots ect. Again if you buy a more expensive mb, you will not see much if any performance in Gaming. Provide more info on your planed Rig for additional help. I built mine off this mobo and it hit 24k in 3d mark bench test. That was with only a 4070ti. But the board worked flawless from first boot till now. Not one crash regardless of what it's doing. It also converts video files in a few hours. My previous rig took all night and it was Ryzen 5 and 2060 super.

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Gigabyte Z790 Aorus Elite AX DDR5 ATX Motherboard

Product ID: 491174590

Details

Brand
Gigabyte
CPU socket
LGA 1700
Compatible devices
13th and 12th
Compatible processors
Intel Core Gen
Ram memory technology
DDR5

⚡70A Power Stage VRM

🌐2.5GbE LAN + WiFi 6E Connectivity

💾DDR5 XMP 3.0 Memory Support

¥67423

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Description

🚀 Power your productivity and play with the ultimate DDR5 powerhouse motherboard!

NEXT LEVEL CONNECTIVITY - Equipped with 2.5GbE LAN, Intel WiFi 6E, and USB 3.2 Gen 2x2 Type-C for ultra-fast, lag-free networking and data transfer.
UNRIVALED POWER DELIVERY - Twin 16+1+2 phase digital VRM with robust 70A power stages ensures rock-solid CPU stability for next-gen Intel Core processors.
ADVANCED THERMAL MANAGEMENT - M.2 Thermal Guard III and fully covered MOSFET heatsinks keep your system cool under pressure, maximizing longevity and performance.
FUTURE PROOF MEMORY PERFORMANCE - Supports up to 128GB DDR5 RAM with XMP 3.0 for blazing-fast multitasking and seamless professional workflows.
EFFORTLESS UPGRADES CUSTOMIZATION - EZ-Latch PCIe 5.0 slots, RGB Fusion 2.0 lighting, and Q-Flash Plus BIOS updates without CPU or memory installed—upgrade like a pro.

The Gigabyte Z790 Aorus Elite AX is a high-performance ATX motherboard designed for 12th and 13th Gen Intel Core processors. Featuring advanced 70A digital VRM power delivery, DDR5 memory support up to 128GB with XMP 3.0, and cutting-edge connectivity including 2.5GbE LAN and WiFi 6E, it delivers exceptional speed and stability. Its sophisticated thermal design and user-friendly features like EZ-Latch PCIe 5.0 slots and BIOS flash without CPU installation make it a top choice for professionals and gamers seeking future-proof performance.

Specifications

ASIN	B0BH9DXY38
Best Sellers Rank	#24,274 in Computers ( See Top 100 in Computers ) #133 in Motherboards
Brand	Gigabyte
CPU Model	Core i7
Chipset Family	Intel Z790
Chipset Type	Intel Z790
Compatible Devices	13th and 12th Gen Intel Core Devices
Compatible Processors	Intel Core 13th Gen, Intel Core 12th Gen
Customer Reviews	4.4 4.4 out of 5 stars (1,270)
Graphics Card Interface	PCI Express
Item Dimensions L x W x H	27L x 8W x 33.5H centimeters
Item Type Name	Desktop Motherboard
Item Weight	4.35 Pounds
Main Power Connector Type	24-Pin
Manufacturer	Gigabyte
Memory Clock Speed	4400 MHz
Memory Slots Available	4
Memory Storage Capacity	128 GB
Mfr Part Number	Z790 AORUS ELITE AX
Model Name	GIGABYTE Z790 AORUS Elite AX
Model Number	Z790 AORUS ELITE AX
Number of Ethernet Ports	2
Number of Items	1
Number of Ports	10
Platform	Windows 11
Processor Socket	LGA 1700
RAM Memory Technology	DDR5
Ram Memory Maximum Size	128 GB
S/PDIF Connector Type	Optical
System Bus Standard Supported	SATA 3
Total PCIe Ports	2
Total SATA Ports	4
Total Usb Ports	10
UPC	889523034002
USB 2.0	2
Unit Count	1.0 Count
Warranty Description	3

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¥67423

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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