Asus PRIME X299-A (90MB0U40-M0EAY0)
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Asus PRIME X299-A
Form Factor:ATX
Socket:LGA 2066
Chipset:Intel X299
BIOS:Ami
RAM slots:DDR4 8 sl
RAM form factor:DIMM
RAM clock:4000 MHz
Sound (channels):7.1
Connectors:M.2
Power connector:24-pin
Processor power:8+4-pin
Eight slots of RAM. Two M.2 slots with heatsinks. Support for SLI/CrossFire graphics card bundles. Overclocking the processor and RAM. Good audio subsystem. RGB LED lighting.
All specifications
Specifications PRIME X299-A
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Asus 2026 - new arrivals, bestsellers, and the most relevant models Asus.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Asus 2026 - new arrivals, bestsellers, and the most relevant models Asus.
Series Asus Prime (stability/durability)Compare using chart →
micro-ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 5333 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B650, 2 x DDR5, DIMM, 6400 MHz, USB-C, HDMI, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD B450, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, > 4 SATA3, no backlight
micro-ATX, socket AM4, chipset AMD B450, 2 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, no backlight
ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 5066 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket LGA 1700, chipset Intel B760, 4 x DDR5, DIMM, 7200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket LGA 1700, chipset Intel B760, 2 x DDR4, DIMM, 5333 MHz, USB-C, HDMI, M.2, LAN 2.5 Gbps, no backlight
ATX, socket LGA 1700, chipset Intel Z790, 4 x DDR4, DIMM, 5333 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD A520, 2 x DDR4, DIMM, 4600 MHz, USB-C, HDMI, M.2, no backlight
ATX, socket LGA 1700, chipset Intel Z690, 4 x DDR5, DIMM, 6000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling
micro-ATX, socket LGA 1700, chipset Intel H610, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, DisplayPort, M.2, no backlight
micro-ATX, socket LGA 1700, chipset Intel H610, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, M.2, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B850, 2 x DDR5, DIMM, 9600 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket LGA 1200, chipset Intel H510, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, DisplayPort, M.2, M.2 cooling, no backlight
micro-ATX, socket LGA 1200, chipset Intel H470, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket AM4, chipset AMD B550, 2 x DDR4, DIMM, 5100 MHz, USB-C, HDMI, DisplayPort, M.2, no backlight
micro-ATX, socket AM5, chipset AMD B650, 2 x DDR5, DIMM, 7200 MHz, USB-C, HDMI, M.2, LAN 2.5 Gbps, no backlight
AccessoriesAll accessories for Asus PRIME X299-A →
Video reviews
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Prime X299-A REVIEW! An affordable luxurious motherboard!
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I9 10980XE with Asus PRIME X299-A II
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HackintoshPro - Patch bios Asus Prime X299-A
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snow white
If the design of computer components is as important to you as functionality, then take a closer look at the ASUS Prime X299-A motherboard. White PC builds are all the rage right now: for example, in the NZXT H440 case with a similar colour and a transparent side window. And ASUS Aura technology will allow you to synchronize the colour and intensity of the glow of the motherboard with other PC components: a graphics card, RAM and case LED strips.
Protective covers
If the cover of the rear interface panel of the Prime X299-A performs an exclusively decorative function (and makes it difficult to clean the computer from dust), then the large heatsink on the chipset is really useful. It cools two M.2 drives in parallel, which, in case of overheating, would reduce read and write speeds to the level of conventional SATA SSDs.
Graphics and sound
All three PCIe x16 slots are reinforced and thus reliably protected from damage due to long and heavy video cards. The sound path bears the proud name of Crystal Sound 3 and consists of a top-end (by integrated standards) Realtek S1220A audio chip, a pair of headphone amplifiers (one for the front and back of the PC) and high-quality Japanese transistors that minimize noise and distortion. ASUS Prime X299-A costs about a third more than the cheapest LGA2066 motherboards. Its functional advantages are clearly not worth this surcharge, but the spectacular appearance, perhaps, is still worth it.
We recommendCompare using chart →
ATX, socket LGA 2066, chipset Intel X299, 8 x DDR4, DIMM, 4500 MHz, USB-C, M.2, U.2, > 4 SATA3, SLI, CrossFire, DualBIOS, M.2 cooling, suitable for mining
ATX, socket LGA 2066, chipset Intel X299, 8 x DDR4, DIMM, 4000 MHz, USB-C, M.2, > 4 SATA3, SLI, CrossFire, Wi-Fi, M.2 cooling, suitable for mining
ATX, socket LGA 2066, chipset Intel X299, 8 x DDR4, DIMM, 4266 MHz, USB-C, M.2, U.2, > 4 SATA3, SLI, CrossFire, DualBIOS, Wi-Fi, M.2 cooling, suitable for mining
ATX, socket LGA 2066, chipset Intel X299, 8 x DDR4, DIMM, 4400 MHz, USB-C, M.2, > 4 SATA3, DualBIOS, M.2 cooling, suitable for mining
ATX, socket LGA 2066, chipset Intel X299, 8 x DDR4, DIMM, 4266 MHz, USB-C, DisplayPort, M.2, > 4 SATA3, SLI, CrossFire, Wi-Fi, M.2 cooling, suitable for mining
ATX, socket LGA 2066, chipset Intel X299, 8 x DDR4, DIMM, 4266 MHz, USB-C, M.2, U.2, > 4 SATA3, SLI, CrossFire, DualBIOS, Wi-Fi, M.2 cooling, suitable for mining
ATX, socket LGA 2066, chipset Intel X299, 8 x DDR4, DIMM, 4266 MHz, USB-C, M.2, > 4 SATA3, LAN 2.5 Gbps, SLI, CrossFire, Wi-Fi, M.2 cooling
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, M.2, no backlight
mini-ITX, socket LGA 1851, chipset Intel B860, 2 x DDR5, DIMM, 7200 MHz, USB-C, HDMI, Thunderbolt v4, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight, White Edition
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8000 MHz, USB-C, USB4, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, White Edition