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ASUS PRIME Z490-A (90MB1390-M0EAY0) LGA 1200 Intel Z490 SATA 6Gb/s ATX Intel Motherboard

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Intel Z490
Supports 10th Gen Intel Core Processors
Supports Intel Pentium Gold and Celeron Processors
DDR4 4800(OC) / 4600(OC) / 4500(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3333(OC) / 3200(OC) / 3000(OC) / 2933(OC) / 2800(OC) / 2666 / 2400 / 2133

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Overview

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Model
Brand	ASUS
Model	PRIME Z490-A (90MB1390-M0EAY0)

Supported CPU
CPU Socket Type	LGA 1200
CPU Type	Supports 10th Gen Intel Core Processors Supports Intel Pentium Gold and Celeron Processors
Supported CPU Technologies	Supports Intel Turbo Boost Technology 2.0 and Intel Turbo Boost Max Technology 3.0* * Intel Turbo Boost Max Technology 3.0 support depends on the CPU types.

Chipsets
Chipset	Intel Z490

Onboard Video
Onboard Video Chipset	Supported only by CPU with integrated graphic

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4800(OC) / 4600(OC) / 4500(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3333(OC) / 3200(OC) / 3000(OC) / 2933(OC) / 2800(OC) / 2666 / 2400 / 2133 * * 10th Gen Intel Core i9 / i7 CPUs support 2933 / 2800 / 2666 / 2400 / 2133 natively, Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported	128GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 3.0 x16	3 x PCI Express 3.0 x16* * Actual support may vary by CPU.
PCI Express x1	3 x PCIe 3.0 x1* * The PCIe x1_2 slot shares bandwidth with M.2 slot (Key E).
Other Slots	M.2 slot only (Key E) (Support CNVI & PCIe interface)* * Wi-Fi module is sold separately.

Storage Devices
Serial ATA (SATA)	6 x SATA 6Gb/s
M.2	1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode)* 1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x4 mode)** * The M.2_1 socket shares bandwidth with SATA_2. ** M.2_2 slot shares bandwidth with SATA_56. When M.2_2 slot is operating in PCIe x4 mode, SATA_56 will be disabled.
Intel Optane Ready	Yes
SATA RAID	0/1/5/10

Onboard Audio
Audio Chipset	Realtek ALC S1220A
Audio Channels	7.1 Channels

Onboard LAN
LAN Chipset	Intel I225-V
Max LAN Speed	2.5Gbps

Rear Panel Ports
Back I/O Ports	1 x Intel I225-V 2.5Gb Ethernet 1 x DisplayPort 1 x HDMI 4 x USB 3.2 Gen 2 (3 x Type-A+1 x USB Type-C) 2 x USB 3.2 Gen 1 2 x USB 2.0 1 x Optical S/PDIF out 5 x Audio jack(s)

Internal I/O Connectors
Onboard USB	1 x USB 3.2 Gen2 connector support additional 1 USB ports (20-pin, Type-C) 1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors	1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 2 x Chassis Fan connector(s) 1 x AIO_PUMP connector 1 x W_PUMP+ connector 1 x AAFP connector 2 x Aura RGB Strip Headers 2 x Addressable Gen 2 header(s) 1 x COM port(s) connector(s) 1 x Thunderbolt header(s) 1 x System panel(s) (Chassis intrusion header is inbuilt) 1 x Thermal sensor connector(s) 1 x Power-on button(s) 1 x Clear CMOS jumper(s) 1 x CPU_OV jumper 1 x M.2 Fan Header

Physical Spec
Form Factor	ATX
LED Lighting	RGB
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) 1 x 4-pin ATX 12V Power connector(s)

Features
Features	Multi-GPU Support: Supports NVIDIA 2-Way SLI Technology Supports AMD 3-Way CrossFireX Technology Special Features: ASUS 5X Protection III: - ASUS LANGuard: Protects against LAN surges, lightning strikes and static-electricity discharges! - ASUS Overvoltage Protection: World-class circuit-protecting power design - ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability! - ASUS DIGI+ VRM - Digital power design with Dr. MOS - ASUS Enhanced DRAM Overcurrent Protection - Short circuit damage prevention - ASUS ESD Guards - Enhanced ESD protection AURA: - Aura RGB Strip Headers - Addressable Gen 2 Header ASUS Exclusive Features: - Pre- mounted I/O shield ASUS Quiet Thermal Solution: - Stylish Fanless Design: PCH Heat-sink & MOS Heat-sink & M.2 Heat-sink solution ASUS Q-Design: - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) - ASUS Q-Slot - ASUS Q-DIMM - ASUS Q-Connector DIY Friendly Design - Procool - SafeSlot Software Features: ASUS Exclusive Software: Armoury Crate: - Aura Creator - Aura Sync AI Suite 3 - 5-way Optimization with AI Overclocking TPU EPU Digi+ VRM Fan Xpert 4 Turbo app - EZ update AI Charger ASUS Turbo LAN DTS:X Ultra UEFI BIOS: AI Overclocking Guide ASUS EZ DIY: - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode - EZ Tuning Wizard FlexKey BIOS: 192 (128+64) MB Flash ROM, UEFI AMI BIOS Manageability: WOL by PME, PXE Operating System: Windows 10 64-bit

Packaging
Package Contents	Accessories: User's manual 3 x SATA 6Gb/s cable(s) 1 x Supporting DVD 1 x Q-Connector 1 x CPU Fan Holder 1 x M.2 SSD screw package(s) 1 x M.2 Key E screw package(s) 1 x M.2 Rubber Package(s)

Additional Information
First Listed on Newegg	July 22, 2025

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Return for replacement within: 30 days
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ASUS PRIME Z490-A (90MB1390-M0EAY0) LGA 1200 Intel Z490 SATA 6Gb/s ATX Intel Motherboard

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Item#: 9SIBK64KJF8464

Meet Your Seller

ASUS PRIME Z490-A (90MB1390-M0EAY0) LGA 1200 Intel Z490 SATA 6Gb/s ATX Intel Motherboard

Learn more about the ASUS PRIME Z490-A (90MB1390-M0EAY0)

Customer Reviews of the ASUS PRIME Z490-A (90MB1390-M0EAY0)

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info