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ASUS PRIME Z370-A II LGA 1151 (300 Series) ATX Intel Motherboard

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Intel Z370
Intel Socket 1151 9th/8th Gen Intel Core, Pentium Gold and Celeron Processors
DDR4 4000(O.C)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133

Overview

Specs

Reviews

ASUS Prime Z370-A II LGA1151 (Intel 8th Gen) DDR4 DP HDMI DVI M.2 USB 3.1 Z370 II ATX Motherboard with Gigabit LAN and USB 3.1. Compatible with 8th generation Intel Core processors, the Prime Z370-A II delivers maximum performance with customizable style. 5-Way Optimization provides intelligent auto-tuning and dynamic fan calibration, Aura Sync RGB with addressable headers and 3D printing mounts customize your build, while dual M.2 and USB 3.1 Gen2 delivers maximum transfer speeds.

Model
Brand	ASUS
Model	PRIME Z370-A II

Supported CPU
CPU Socket Type	LGA 1151 (300 Series)
CPU Type	Intel Socket 1151 9th/8th Gen Intel Core, Pentium Gold and Celeron Processors * Not backward compatible with older generation of LGA 1151 CPUs * Refer to www.asus.com for CPU support list
Supported CPU Technologies	Supports Intel Turbo Boost Technology 2.0* * The Intel Turbo Boost Technology 2.0 support depends on the CPU types.

Chipsets
Chipset	Intel Z370

Onboard Video
Onboard Video Chipset	Integrated Graphics Processor - Intel UHD Graphics support Multi-VGA output support: DisplayPort/HDMI/DVI-D ports Supports DisplayPort 1.2* with max. resolution 4096x2304@60Hz Supports HDMI 1.4b with max. resolution 4096x2160@30Hz Supports DVI-D with max. resolution 1920x1200@60Hz Supports Intel InTru 3D / Quick Sync Video / Clear Video HD Technology / Insider Supports up to 3 displays simultaneously

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4000(O.C)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133 The maximum memory frequency supported varies by processor. ** Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported	64GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 3.0 x16	2 x PCIe 3.0/2.0 x16 (x16, x8/x8, x8/x4+x4, x8+x4+x4/x0) 1 x PCIe 3.0/2.0 x16 (max at x4 mode) * For 2 SSD on CPU support, install a Hyper M.2 X16 card (sold separately) into the PCIeX16_2 slot, enable this card under BIOS settings. ** For 3 SSD on CPU support, install a Hyper M.2 X16 card (sold separately) into the PCIeX16_1 slot, enable this card under BIOS settings.
PCI Express x1	4 x PCI Express 3.0/2.0 x1 slots

Storage Devices
Serial ATA (SATA)	6 x SATA 6.0Gb/s ports (gray)
M.2	1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode)* 1 x M.2 Socket 3, with M Key, type 2242/2260/2280 storage devices support (PCIE mode only)** * The M.2_1 socket shares SATA_1 port when use M.2 SATA mode device. Adjust BIOS settings to use a SATA device. ** The M.2_2 socket shares SATA_56 ports when use M.2 PCIE mode device in X4 mode. Adjust BIOS settings to use M.2 PCIE devices in X4 mode.
Intel Optane Ready	Yes
SATA RAID	0/1/5/10

Onboard Audio
Audio Chipset	Realtek S1220A high definition audio CODEC featuring Crystal Sound 3
Audio Channels	8 Channels * Due to limitations in HDA bandwidth, 32-Bit / 192 kHz is not supported for 8-Channel audio. 32-Bit / 192 kHz is only available under Windows 10.

Onboard LAN
LAN Chipset	Intel I219-V
Max LAN Speed	1Gbps

Rear Panel Ports
Back I/O Ports	1 x DVI-D 1 x DisplayPort 1 x HDMI 1 x LAN (RJ45) port(s) 1 x USB 3.1 Gen 2 Type-A 1 x USB 3.1 Gen 2 USB Type-C 2 x USB 3.1 Gen 1 2 x USB 2.0 1 x Optical S/PDIF out 5 x Audio jack(s)

Internal I/O Connectors
Onboard USB	2 x USB 3.1 Gen 1 (up to 5Gbps) connector(s) support(s) additional 4 USB 3.1 Gen 1 port(s) (19-pin) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors	1 x Aura RGB Strip Header 1 x CPU Fan connector(s) (1 x 4-pin) 1 x CPU OPT Fan connector(s) (1 x 4-pin) 2 x Chassis Fan connector(s) (2 x 4-pin) 1 x Thunderbolt header(s) 1 x Front panel audio connector(s) (AAFP) 1 x System panel(s) (Q-Connector) (Chassis intrusion header is inbuilt) 1 x 5-pin EXT_FAN (Extension Fan) connector 1 x MemOK! button(s) 1 x CPU OV 1 x Power-on button(s) 1 x Clear CMOS jumper(s) 1 x 14-1-pin TPM connector 1 x COM port header 1 x T_Sensor Connector 1 x AIO PUMP Header 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 1 x 8-pin ATX 12V Power connector

Features
Features	Multi-GPU Support: Supports NVIDIA 2-Way SLI Technology Supports AMD 3-Way CrossFireX Technology Special Features: OC Design - ASUS PRO Clock Technology - Full BCLK range for extreme overclocking performance 5-Way Optimization by Dual Intelligent Processors 5 - Whole system optimization with a single click! 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ Power Control, Fan Xpert 4, and Turbo App together, providing better CPU performance, efficient power saving, precise digital power control, whole system cooling and even tailor your own app usages ASUS 5X Protection III: - ASUS SafeSlot Core: Fortified PCIe Slot prevents damage - 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 Enhanced DRAM Overcurrent Protection - Short circuit damage prevention - ASUS ESD Guards - Enhanced ESD protection ASUS TPU: - Auto Tuning - GPU Boost ASUS EPU: - EPU AURA: - Aura Lighting Control - Aura RGB Strip Headers - Aura Lighting Effects Synchronization with compatible ASUS ROG devices ASUS Exclusive Features: - MemOK! - AI Suite 3 - Ai Charger - Turbo LAN - Crystal Sound 3 - PC Cleaner ASUS Quiet Thermal Solution: - Stylish Fanless Design Heat-sink solution - ASUS Fan Xpert 4 ASUS EZ DIY: - Precision Tweaker 2 - ASUS O.C. Tuner - ASUS O.C. Profile - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode - Multi-language BIOS ASUS Q-Design: - ASUS Q-Shield - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) - ASUS Q-Slot - ASUS Q-DIMM - ASUS Q-Connector Manageability: WfM 2.0, DMI 3.1, WOL by PME, PXE Operating System: Windows 10 64-bit

Packaging
Package Contents	Accessories: User's manual ASUS Q-Shield 1 x ASUS Fan Holder 3 x SATA 6Gb/s cable(s) 1 x M.2 Screw Package 1 x Supporting DVD 1 x SLI HB BRIDGE (2-WAY-M) 1 x Q-connector(s) (1 in 1)

Additional Information
First Listed on Newegg	July 30, 2026

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ASUS PRIME Z370-A II LGA 1151 (300 Series) ATX Intel Motherboard

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Item#: 9SIC3VJM2Z8635

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ASUS PRIME Z370-A II LGA 1151 (300 Series) ATX Intel Motherboard

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