SAM4 Asus Prime X370-A

AMD AM4 Socket for AMD Ryzen™/7^th Generation A-series/Athlon™ Processors 
Supports AM4 Socket 14 nm CPU
Supports CPU up to 8 cores
* Refer to www.asus.com for CPU support list

AMD X370

AMD Ryzen™ Processors
4 x DIMM, Max. 64GB, DDR4 3200(O.C.)/2933(O.C.)/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory *¹
AMD 7th Generation A-series/Athlon™ Processors
4 x DIMM, Max. 64GB, DDR4 2400/2133 MHz Non-ECC, Un-buffered Memory *
* Hyper DIMM support is subject to the physical characteristics of individual CPUs. 
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Integrated AMD Radeon™ R Series Graphics in the 7th Generation A-Series APU *²
Multi-VGA output support : HDMI/DVI-D/RGB ports 
- Supports HDMI 1.4b with max. resolution 4096 x 2160 @ 24 Hz / 2560 x 1600 @ 60 Hz
- Supports DVI-D with max. resolution 1920 x 1200 @ 60 Hz
- Supports RGB with max. resolution 1920 x 1200 @ 60 Hz
Maximum shared memory of 2048 MB

Supports AMD CrossFireX™ Technology

AMD Ryzen™ Processors
1 x PCIe 3.0/2.0 x16 (x16 mode) 
AMD 7th Generation A-series/Athlon™ Processors
1 x PCIe 3.0/2.0 x16 (x8 mode) 
AMD X370 chipset
1 x PCIe 2.0 x16 (max at x4 mode) 
2 x PCIe 2.0 x1 
2 x PCI

AMD X370 chipset : 
6 x SATA 6Gb/s port(s), 
Support Raid 0, 1, 10
AMD Ryzen™ Processors : 
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
AMD 7th Generation A-series/Athlon™ Processors : 
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 2 mode)

Realtek® RTL8111H, 1 x Gigabit LAN Controller(s)
ASUS LAN Guard

Realtek® ALC887-VD2 8-Channel High Definition Audio CODEC 
Audio Feature :
- LED-illuminated design - Brighten up your build with the gorgeous illuminated audio trace path.
- 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-made audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity

AMD Ryzen™/7th Generation A-series/Athlon™ Processors : 
4 x USB 3.1 Gen 1 port(s) (4 at back panel, blue)
AMD X370 chipset : 
2 x USB 3.1 Gen 2 port(s) (2 at back panel, teal blue)
AMD X370 chipset : 
2 x USB 3.1 Gen 1 port(s) (2 at mid-board)
AMD X370 chipset : 
6 x USB 2.0 port(s) (2 at back panel, black, 4 at mid-board)

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 DIGI+ VRM: 6 Phase digital power design
ASUS Exclusive Features :
- AI Suite 3
- Ai Charger 
- ESD Guards
ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution & MOS Heatsink 
- ASUS Fan Xpert 2+
ASUS EZ DIY :
- ASUS CrashFree BIOS 3 
- ASUS EZ Flash 3 
- ASUS UEFI BIOS EZ Mode
- Multi-language BIOS
ASUS Q-Design :
- ASUS Q-Slot
- ASUS Q-DIMM

1 x PS/2 keyboard/mouse combo port(s)
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
2 x USB 3.1 
4 x USB 3.1 Gen 1 
2 x USB 2.0 
3 x Audio jack(s)

1 x Fan RGB header
1 x USB 3.1 Gen 1 connector(s) support(s) additional 2 USB 3.1 Gen 1 port(s) 
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 & PCIE mode)
1 x COM port(s) connector(s)
6 x SATA 6Gb/s connector(s)
1 x CPU Fan connector(s) (1 x 4 -pin)
2 x Chassis Fan connector(s) (2 x 4 -pin)
1 x S/PDIF out header(s)
1 x 8-pin EATX 12 V Power connector
1 x 24-pin EATX Power connector(s)
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s) 
1 x Clear CMOS jumper(s)

User's manual
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package

Windows® 10 64-bit

ATX Form Factor 
12 inch x 9.35 inch ( 30.5 cm x 23.7 cm )

*1 Due to the limitation of AMD Ryzen™ processors, memory frequencies higher than DDR4 2666 MHz are supported only when using one DIMM.
*2 AMD Ryzen™ Processor does not support