Asus Prime Z490-A LGA 1200 (Intel 10th Gen) ATX Motherboard | 90MB1390-M0EAY0

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  • ATX Form Factor
  • Intel Z490 Chipset
  • LGA 1200 Socket
  • 4 x Dual-Channel DDR4-4600 (OC)

Asus Prime Z490-A LGA 1200 (Intel 10th Gen) ATX Motherboard


Asus Prime Z490-A LGA 1200 (Intel 10th Gen) ATX Motherboard Powered exclusively by 10th Generation Intel Core, Pentium Gold, and Celeron processors, theAsus Prime Z490-A LGA 1200 (Intel 10th Gen) ATX Motherboard from ASUS boasts a robust power design, comprehensive cooling solutions, and intelligent tuning options. It provides daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. This motherboard will fit in ATX sized cases, supports the LGA 1200 socket, the Intel Z490 chipset, and is compatible with Windows 10 (64-bit).

The ATX form factor of the Asus Prime Z490-A LGA 1200 (Intel 10th Gen) ATX Motherboard can support up to 128GB of DDR4 RAM over four dual-channel slots, or 32GB per slot at speeds of 4600 (OC), 4500 (OC), 4400 (OC), 4266 (OC) 4133 (OC), 4000 (OC), 3866 (OC), 3733 (OC), 3600 (OC), 3466 (OC), 3400 (OC), 3333 (OC), 3200 (OC), 3000 (OC), 2800 (OC), 2666, 2400, and 2133 MHz non-ECC unbuffered memory. For storage, there are six SATA III 6 Gb/s ports and two M.2 Key M sockets, both of which support type 2242, 2260, 2280, and 22110 SSDs. One slot slot supports PCIe 3.0 x4 and SATA SSDs, while the other supports PCIe 3.0 x2 (x4 mode). The Prime Z490-A supports Intel Optane Memory and allows its storage to be configured as RAID 0, 1, 5, and 10.

There is also one USB 3.2 Gen 2 Type-C port (rear panel), three USB 3.2 Gen 2 Type-A ports (rear panel), two USB 3.2 Gen 1 Type-A ports (rear panel), two USB 2.0 Type-A ports (rear panel), and more internal USB headers that support USB 3.2 Gen 2 Type-C, USB 3.2 Gen 1, and USB 2.0. For those looking to expand their system using PCIe, there is one PCIe 3.0 x16 slot (x16 or x8/x8), one PCIe 3.0 x16 slot (max at x4 mode), and three PCIe 3.0 x1 slots. Network connectivity is achieved using an Intel I225-V 2.5Gb Ethernet port, and there is an empty M.2 Key E slot for a Wi-Fi module.

Asus Prime Z490-A,For delivering sharp, clear graphics, this motherboard supports a maximum resolution of 4096 x 2304 at 60 Hz using DisplayPort 1.4 and HDMI 1.4b outputs. For users looking to take advantage of multiple GPUs, the Prime Z490-A supports AMD 3-Way CrossFireX and 2-Way NVIDIA SLI technologies.

Asus Prime Z490-A Using the Realtek ALC S1200A 8-channel HD audio codec, theAsus Prime Z490-A LGA 1200 (Intel 10th Gen) ATX Motherboard can support audio with higher fidelity than standard controllers. Audio can also be output using the integrated five 3.5mm audio outputs or optical S/PDIF output. This motherboard is also equipped with features such as AURA RGB headers, DIGI+ VRM, DRAM Overcurrent Protection, ESD Guards, LANGuard, Overvoltage Protection, a Stainless Steel Back I/O, an aluminum heatsink, and more. Protection is provided by a limited 3-year warranty.

General Features

Intel LGA 1200 Socket

The Asus Prime Z490-A LGA 1200 (Intel 10th Gen) ATX Motherboard is designed to unleash the maximum performance of 10th Gen Intel Core processors.

Enhanced Power Solution

This motherboard features 12+2 DrMOS power stages, 6-layer PCB, ProCool sockets, alloy chokes, and durable capacitors for stable power delivery.

Comprehensive Cooling

A VRM heatsink, a PCH heatsink, hybrid fan headers, and the Fan Xpert 4 utility all help the Z490-A to remain cool.

Boosted Memory Performance

ASUS built this motherboard with careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking with ASUS OptiMem II.

Built for Productivity

Built for productivity, this motherboard features Intel 2.5Gb Ethernet, front USB 3.2 Gen 2 Type-C and Thunderbolt 3 header support, and dual M.2 slots.


Personalize the Asus Prime Z490-A-exclusive Aura Sync RGB lighting, including RGB headers and Gen 2 addressable headers.

Gaming Audio

The Realtek S1200A codec offers high-quality audio to draw you deeper into the game action or to enhance your favorite music tracks or videos.
Chipset Intel Z490
CPU Socket LGA 1200
Back Panel I/O
USB 1 x USB 3.1 / USB 3.2 Gen 2 Type-C
3 x USB 3.1 / USB 3.2 Gen 2 Type-A
2 x USB 3.1 / USB 3.2 Gen 1 Type-A
2 x USB 2.0 Type-A
Thunderbolt None
Display 1 x DisplayPort 1.4
1 x HDMI 1.4b
Audio 5 x 3.5 mm
1 x S/PDIF
Ethernet / Controller 1 x Intel I225-V 2.5Gigabit
Memory Slots 4 x 288-Pin
Memory Support DDR4 2133, 2400, 2666, 2800, 2933, 3000, 3200, 3333, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4500, 4600 MHz
Maximum Capacity 128 GB
Channel Architecture Dual Channel
ECC Support Non-ECC Unbuffered
Storage Expansion
M.2 1 x M Key 2242, 2260, 2280, 22110 (PCIe 3.0 x4, SATA III)
1 x M Key 2242, 2260, 2280, 22110 (PCIe 3.0 x2, PCIe 3.0 x4)
U.2 None
Optane Memory Support Yes
RAID Support RAID 0, 1, 5, 10
Internal I/O
Expansion Slots 2 x PCIe 3.0 x16 (x16 mode)
1 x PCIe 3.0 x16 (x4 mode)
3 x PCIe 3.0 x1
USB 1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 2 USB Type-A Port)
2 x USB 2.0 Header (Supports 4 USB Type-A Port)
Multi-GPU Support 3-Way AMD CrossFireX
Air Cooling 1 x 4-Pin CPU
1 x 4-Pin Assistant
2 x 4-Pin System
1 x 4-Pin M.2
1 x Thermal Sensor
Liquid Cooling 2 x 4-Pin Pump
Power Connectors 1 x 24-Pin Mainboard
1 x 8-Pin CPU
1 x 4-Pin ATX
Security Chassis Intrusion
LED Header 2 x RGB
Audio None
Diagnostics Clear CMOS
Add-On 1 x Thunderbolt Card Header
Legacy 1 x Serial
ROM 192 Mb
Front Panel I/O
I/O Connection Headers AAFP, USB 3.1 / USB 3.2 Gen 2
Audio Codec Realtek S1220A (8-Channel)
Module Support 1 E Key M.2
Supported Operating Systems Windows 10 (64-Bit)
Form Factor ATX
Packaging Info
Package Weight 3.695 lb
Box Dimensions (LxWxH) 13.4 x 10.7 x 2.9"

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