PRIME Z370-A II

Intel® Socket 1151 9th / 8th Gen Intel^® Core™, Pentium^® Gold and Celeron^® Processors
Supports Intel® 14 nm CPU
Supports Intel® Turbo Boost Technology 2.0 
* The Intel® Turbo Boost Technology 2.0 support depends on the CPU types.
* Refer to www.asus.com for CPU support list

Intel® Z370

4 x DIMM, Max. 64GB, 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(O.C.)/2400(O.C.)/2133 MHz Non-ECC, Un-buffered Memory
Dual Channel Memory Architecture
Supports Intel® Extreme Memory Profile (XMP)
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
* The maximum memory frequency supported varies by processor.

Integrated Graphics Processor- Intel® HD Graphics support
Multi-VGA output support : HDMI/DVI-D/DisplayPort   ports
- Supports HDMI with max. resolution 4096  x 2160  @ 30 Hz
- Supports DVI-D with max. resolution 1920  x 1200  @ 60 Hz
- Supports DisplayPort with max. resolution 4096  x 2304  @ 60  Hz
Maximum shared memory of 1024  MB (for iGPU exclusively)
Supports Intel® InTru™ 3D, Quick Sync Video, Clear Video HD Technology, Insider™
Supports up to 3  displays simultaneously
DP 1.2 Multi-Stream Transport compliant, supports DP 1.2 monitor daisy chain up to 3 displays

Supports NVIDIA® 2-Way SLI™ Technology
Supports AMD 3-Way CrossFireX™ Technology

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)
4 x PCIe 3.0/2.0 x1
* 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.

1 x M.2 Socket 3, , with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)*¹
1 x M.2 Socket 3, , with M Key, type 2242/2260/2280 storage devices support (PCIE mode only)*²
6 x SATA 6Gb/s port(s), gray
Support Raid 0, 1, 5, 10
Intel® Rapid Storage Technology supports

Intel® Optane™ Memory Ready

Intel® I219V, 1 x Gigabit LAN Controller(s)
ASUS Turbo LAN Utility
ASUS LAN Guard

Realtek® S1220A 8-Channel High Definition Audio CODEC featuring Crystal Sound 3
- Impedance sense for front and rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports : Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in)
- Front panel audio connector (AAFP)
- Supports up to 32-Bit/192kHz playback *³
Audio Feature :
- DTS Headphone:X
- Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference
- Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals
- Premium Japanese audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity
- Unique de-pop circuit: Reduces start-up popping noise to audio outputs
- Power pre-regulator: Reduces power input noise to ensure consistent performance

ASMedia® USB 3.1 Gen 2 controller :
1 x USB 3.1 Gen 2 port(s) (1 at back panel, teal blue, Type-A, Support 3A power output)
ASMedia® USB 3.1 Gen 2 controller :
1 x USB 3.1 Gen 2 port(s) (1 at back panel, , USB Type-C^TM, Support 3A power output)
Intel® Z370 Chipset :
6 x USB 3.1 Gen 1 port(s) (2 at back panel, , 4 at mid-board)
Intel® Z370 Chipset :
6 x USB 2.0 port(s) (2 at back panel, , 4 at mid-board)

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

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^TM
2 x USB 3.1 Gen 1
2 x USB 2.0
1 x Optical S/PDIF out
5 x Audio jack(s)

1 x Aura RGB Strip Header
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)
1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & X4 PCIE mode)
1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (PCIE mode only)
6 x SATA 6Gb/s connector(s)
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 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(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

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)

128 Mb Flash ROM, UEFI AMI BIOS, PnP, WfM2.0, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS,
ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log,
F12 PrintScreen, and ASUS DRAM SPD (Serial Presence Detect) memory information.

WfM 2.0, DMI 3.1, WOL by PME, PXE

Windows® 10 64-bit

ATX Form Factor
12.0  inch x 9.6  inch ( 30.5  cm x 24.4  cm )

*1. The M.2_1 socket shares SATA_1 port when use M.2 SATA mode device. Adjust BIOS settings to use a SATA device.
*2. 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.
*3. Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio. 32-Bit/192kHz is only available under Windows® 10.