ASUS Prime is the next evolution of the ASUS motherboard, born of a pedigree that stretches back to 1989. Our team of world-class engineers are passionate about empowering everyone to enjoy the benefits of customization and tuning, and the driving force behind the development of Prime is to make advanced enthusiast controls easily accessible - maximizing performance, stability and compatibility for the very best DIY PC experiences. Simply stated: it's time for Prime.
Built to Last
SafeSlot Core is the ASUS-exclusive PCIe slot. Featuring a fortified design that's anchored to the motherboard by a special hook, Safeslot Core provides 1.6x stronger retention and 1.3x greater shearing resistance than standard expansion slots.
ASUS is the world's foremost motherboard manufacturer, renowned for our unique Design Thinking approach. Our exhaustive testing exceeds industry standards, supported by high-quality components for exceptional real-world protection. Our motherboards are proven to be compatible with more than 1,000 components and devices, and each new model undergoes a minimum of 8,000 hours of strict validation. ASUS gives you the peace of mind of knowing that your motherboard is fit for all environments and applications. By choosing ASUS, you also gain the freedom to select outstanding component options, for trouble-free DIY experiences.
PRIME B350 series motherboards are engineered with industry-leading 5X Protection III, employing the finest components, excellent circuit design, and exacting standards to guarantee the quality and long-term durability of your motherboard. That means exceptional protection and stability for your build — thanks to decades of engineering experience from the world's leading motherboard brand.
PRIME B350 series motherboards are engineered with industry-leading 5X Protection III, employing the finest components, excellent circuit design, and exacting standards to guarantee the quality and long-term durability of your motherboard. That means exceptional protection and stability for your build — thanks to decades of engineering experience from the world's leading motherboard brand.
SafeSlot Core
Fortified PCIe slot prevents damage
LANGuard
Pumped-up throughput. 2.5x higher surge tolerance.
ASUS LANGuard is hardware-level networking protection that employs signal-coupling technology and premium anti-EMI surface-mounted capacitors to ensure a more reliable connection and better throughput, plus electrostatically guarded and surge-protected components for greater tolerance to static electricity and improved protection against surges.
Overvoltage Protection
World-class circuit-protecting power design
An exclusive circuit design with built-in voltage regulators to protect your chipset, connectivity ports, and audio codecs from damage caused by unexpected high-level voltages from unstable or inferior power supplies.
ESD Guards
Electrostatic discharge protection
ASUS ESD Guards prevent damage from electrostatic discharge, up to +/- 10kV for air discharge and +/- 6kV for contact discharge, arranged in an active-protective-circuit design that prolongs the life of components.
Proven Compatibility
Tested to be compatible with 1,000+ CPUs, DDR4 memory modules, graphics cards and more
Having the freedom to pick and choose the parts that go into your machine is at the heart of PC DIY. Our extensive certification program focuses on providing the very best compatibility with the widest range of components and devices, giving you the freedom to build and upgrade without frustration. Compatible today and compatible far into the future - that's the ASUS way.
Extensive List of Supported Devices
View supported devices and Qualified Vendor List for compatible memory
The superior compatibility of Prime B350 series is evidenced by our extensive list of supported devices - which includes thousands of compatible components - and our Qualified Vendor List that identifies memory compatibility. That means more choices for worry-free PC-building experiences.
Great Compatibility
with ASUS Products
with ASUS Products
ASUS offers a suite of proprietary components — graphics cards, sound cards, optical drives — that perfectly complement Prime B350 series, so you can complete your custom motherboard build with confidence!
Top-to-bottom Reliability
ASUS motherboards have superb endurance. We verify this by subjecting every board to more than 8,000 hours of stringent tests. A barrage of burn-in, environmental, compatibility, software and safety tests confirm that our motherboards are exceptionally robust. It also shows that ASUS reliability surpasses industry standards, ensuring that every component is designed to function flawlessly in any environment.
DDR4 Support
With DDR4, you'll accelerate memory frequencies up to an incredible to 3200MHz! And ASUS works with almost every DDR4 memory vendor, so you're assured the best compatibility.
Fan Xpert 2+
Advanced fan controls
With onboard thermal sensors and hardware-level 4-pin/3-pin PWM/DC mode detection, Fan Xpert 2+ makes sure every fan achieves the best balance of cooling performance and low noise!
- Auto-Tuning Mode: Scans fan parameters and all fans with a single click.
- Extreme Quite Mode: Reduces the CPU fan speed to below the default minimum, for extra-quiet operation and power savings during light loads.
Brighten Up Your Build
LED-illuminated control for PCIe slot and trace paths
Built-in LED lighting options can illuminate your build in a variety of mesmerizing styles. With specially-designed Fan RGB header control, you can even personalize your own fan lighting scheme with the exclusive AMD RGB Fan!
EPU
With the Energy Processing Unit (EPU) you'll enjoy system power savings. EPU automatically optimizes power consumption, and maximizes savings with Away mode.
Gaming Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced!
10Gb/s USB 3.1 Onboard
With backward-compatible USB 3.1 Type-A, you'll experience ultimate connection flexibility and blazing data-transfer speeds of up to 10Gb/s (twice as fast as standard USB 3.0).
Speed Up with Onboard M.2 Up to 32Gb/s
With x4 PCI Express 3.0/2.0 bandwidth, M.2 supports up to 32Gb/s data-transfer speeds. It is the perfect choice for an operating system or application drive, making your whole PC or professional apps work as fast as possible.
Media-acclaimed UEFI BIOS
The smoothest, slickest mouse-controlled graphical BIOS has been improved to make it even more appealing. Whether you're a PC novice or a seasoned overclocker, EZ and Advanced modes help you find your way, quickly and easily.
AI Suite 3
One-stop access to innovative ASUS features
ASUS AI Suite 3 offers a brand-new user experience through a clearer and more attractive interface with support for larger monitors. It consolidates all exclusive ASUS features into one simple-to-use package, allowing you to supervise overclocking, energy consumption, fan speeds, voltages and more. This all-in-one app offers diverse and easy-to-use functionality, with no need to switch back and forth between different utilities.
CPU
AMD AM4 Socket for AMD Ryzen™/7th Generation A-series/Athlon™ Processors
Supports CPU up to 8 cores
* Refer to www.asus.com for CPU support list
Supports CPU up to 8 cores
* Refer to www.asus.com for CPU support list
Chipset
AMD B350
Memory
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
Dual Channel Memory Architecture
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
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
Dual Channel Memory Architecture
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Graphic
Integrated AMD Radeon™ R Series Graphics in the 7th Generation A-Series APU
Multi-VGA output support : HDMI/DVI/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
Multi-VGA output support : HDMI/DVI/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
Multi-GPU Support
Supports AMD CrossFireX™ Technology
Expansion Slots
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 B350 chipset
1 x PCIe 2.0 x16 (max at x4 mode) *2
2 x PCIe 2.0 x1
2 x PCI
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 B350 chipset
1 x PCIe 2.0 x16 (max at x4 mode) *2
2 x PCIe 2.0 x1
2 x PCI
Storage
AMD B350 chipset :
4 x SATA 6Gb/s port(s), gray,
Support Raid 0, 1, 10
AMD Ryzen™/7th Generation A-series/Athlon™ Processors :
2 x SATA 6Gb/s port(s), gray,
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)*3
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)*4
4 x SATA 6Gb/s port(s), gray,
Support Raid 0, 1, 10
AMD Ryzen™/7th Generation A-series/Athlon™ Processors :
2 x SATA 6Gb/s port(s), gray,
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)*3
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)*4
LAN
Realtek® RTL8111H, 1 x Gigabit LAN Controller(s)
Audio
Realtek® ALC887 8-Channel High Definition Audio CODEC
USB Ports
AMD Ryzen™/7th Generation A-series/Athlon™ Processors :
4 x USB 3.0 port(s) (4 at back panel, blue)
AMD B350 chipset :
2 x USB 3.1 port(s) (2 at back panel, teal blue)
AMD B350 chipset :
2 x USB 3.0 port(s) (2 at mid-board)
AMD B350 chipset :
6 x USB 2.0 port(s) (2 at back panel, black, 4 at mid-board)
4 x USB 3.0 port(s) (4 at back panel, blue)
AMD B350 chipset :
2 x USB 3.1 port(s) (2 at back panel, teal blue)
AMD B350 chipset :
2 x USB 3.0 port(s) (2 at mid-board)
AMD B350 chipset :
6 x USB 2.0 port(s) (2 at back panel, black, 4 at mid-board)
Special Features
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
- Turbo LAN
- PC Cleaner
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
- 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
- Turbo LAN
- PC Cleaner
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
Operating System Support
Windows® 10 , 64bit
Back I/O Ports
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 Gen 2 (teal blue)
4 x USB 3.1 Gen 1 (blue)
2 x USB 2.0
3 x Audio jack(s)
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
2 x USB 3.1 Gen 2 (teal blue)
4 x USB 3.1 Gen 1 (blue)
2 x USB 2.0
3 x Audio jack(s)
Internal I/O Ports
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) (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 & 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 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)
1 x Clear CMOS jumper(s)
1 x USB 3.1 Gen 1 connector(s) support(s) additional 2 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 & 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 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)
1 x Clear CMOS jumper(s)
Accessories
User's manual
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package
1 x Supporting DVD
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package
1 x Supporting DVD
BIOS
128 Mb Flash ROM, UEFI AMI BIOS, PnP,WfM2.0,SM BIOS 3.0, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, My Favorites, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control
Operating System
Windows® 10 64-bit
Form Factor
ATX Form Factor
12 inch x 9.35 inch ( 30.5 cm x 23.7 cm )
12 inch x 9.35 inch ( 30.5 cm x 23.7 cm )