ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard – 1M Warranty OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty

PN: PRIME-B250M-A

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USB:USB 2.0USB 3.0USB 3.0 Type-C
PCIe Size:PCIe x16PCIe x1
Storage Interface:SATAM.2 PCIe
RAM Type:DDR4
Audio:7.1 Channel
LAN Speed:1GbLAN
Motherboard Form Factor:Micro-ATX
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

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.

Reliable Stability and Compatibility
Built to Last
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.

5X

Protection III

Hardware safeguards to ensure long-term durability.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

520+

DDR4 Compatibility

Industry-leading DDR4 memory compatibility for best flexibility and reassurance.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

1000+

Compatible Devices

Compatibility with a range of CPUs, memory modules, graphics cards and more.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

8000+

Validation Hours

Extensive testing with latest components for enhanced reliability, compatibility and safety.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

 

Prime 200 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 with solid soldering
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 S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

ASUS Prime motherboards have strengthened solder points around both the PCIe and DIMM pins.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

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.
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong> * ESD result is undertaken by individual LANGaurd
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong> ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong> ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

EMI cover

Anti-EMI
surface-mounted
capacitors

* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.

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. * Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

DIGI+ VRM

Precision control for stable power
ASUS-exclusive DIGI+ VRM intelligently delivers power to the processor based on real-time demands, reducing energy waste and improving system stability.
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

DRAM Overcurrent Protection

Short-circuit damage prevention
Onboard resettable fuses prevent overcurrent and short-circuit damage. This extends beyond I/O ports to DRAM to safeguard the lifespan of your system and connected devices.
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Stainless-Steel Back I/O

3x corrosion-resistance for greater durability
Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels.

* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.

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.
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

LAN port

ESD TVS diode protection on the LAN circuit.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

USB connectors

TVS diodes for surface-mount and dual-inline packages.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

VGA connectors

Additional on-circuit ESD TVS diodes to protect D-Sub functionality.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Keyboard and mouse connectors

Additional on-circuit ESD transient-voltage-suppression diodes.

* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.

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.
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>
Extensive List of Supported Devices
View supported devices and Qualified Vendor List for compatible memory
The superior compatibility of Prime 200 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
ASUS offers a suite of proprietary components — graphics cards, sound cards, optical drives — that perfectly complement the Prime 200 series, so you can complete your custom motherboard build with confidence!
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.

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.
8000+
VALIDATION HOURS
ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Temperature and Humidity Test

Ensures components withstand extreme conditions.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Thermal Measurement Test

Ensures that the system remains cool and stable under the heaviest loads.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Insertion Test

Every port and connector is put through repeated installation cycles.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Aging Test

Up to 48-hour aging test ensures reliability.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Power Consumption Test

Checked for world-class energy efficiency.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Temperature and DC Margin Test

Ensures that the motherboard is capable of coping with Voltage fluctuations caused by varying temperatures.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Thermal Shock Test

Ensures ability to survive temperature changes during transportation.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Non-Operation Shock Test

Built to withstand jolts that may occur during shipping.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Burn-In Test

Every component is checked to ensure flawless operation in any environment.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Installation Test

Connector placement is double-checked to ensure hassle-free installation.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Drop Test

Drop tests from various heights ensure durability.

ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Salt and Spray Test

Tested for I/O reliability, prolonged lifespan and rust-resistance.

Superb Performance
DDR4 Support
With DDR4, you'll accelerate memory frequencies up to an incredible to 2400MHz! And ASUS works with almost every DDR4 memory vendor, so you're assured the best compatibility.
 ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong> ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong> ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong> ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - 1M Warranty <strong class="text-danger">OPEN STOCK, CLEARANCE, OLD STOCK, 1 Month Warranty</strong>

Enjoy the DDR4 benefits with Prime 200 series. (DDR4 vs DDR3)

2X

faster write
read speeds

2X

larger
capacity

20%

lower power
consumption

* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.

Optimized Cooling
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.

* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.

Fan Xpert 2
Game in Your Way
Brighten Up Your Build
LED-illuminated control for trace paths
Built-in LED lighting options illuminate your build in a variety of eye-catching styles.
  • CPU
    Intel® Socket 1151 for 7th/6th Generation Core™ i7/Core™ i5/Core™ i3/Pentium®/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
  • Chipset
    Intel® B250
  • Memory
    4 x DIMM, Max. 64GB, DDR4 2400/2133 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).
    * Due to Intel® chipset limitation, DDR4 2400MHz memory frequency is only supported by 7th Generation Intel® processors. Higher memory modules will run at the maximum transfer rate of DDR4 2400MHz.
    ** Due to Intel® chipset limitation, DDR4 2133MHz and higher memory modules on 6th Generation Intel® processors will run at the maximum transfer rate of DDR4 2133MHz.
  • Graphic
    Integrated Graphics Processor- Intel® HD Graphics support
    Multi-VGA output support : HDMI/DVI-D/RGB ports
    - Supports HDMI 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 1024 MB
    Supports Intel® InTru™ 3D, Quick Sync Video, Clear Video HD Technology, Insider™
    Supports up to 3 displays simultaneously
  • Expansion Slots
    1 x PCIe 3.0/2.0 x16 (x16 mode, gray)
    2 x PCIe 3.0/2.0 x1
  • Storage
    Intel® B250 Chipset :
    1 x M.2 Socket 3, with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)*1
    1 x M.2 Socket 3, with M Key, type 2242/2260/2280 storage devices support (x4 PCIE mode)*2
    Intel® Optane™ Memory Ready *3
  • LAN
    Realtek® RTL8111H, 1 x Gigabit LAN Controller(s)
    ASUS LAN Guard
  • Audio
    Realtek® ALC887 8-Channel High Definition Audio CODEC
    - Supports : Jack-detection, Front Panel Jack-retasking
    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 audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity
  • USB Ports
    Intel® B250 Chipset :
    1 x USB 5Gb/s port(s) port(s) (1 at back panel, , Type-C, Support 3A power output)
    Intel® B250 Chipset :
    4 x USB 3.0/2.0 port(s) (2 at back panel, blue, Type-A, 2 at mid-board)
    Intel® B250 Chipset :
    6 x USB 2.0/1.1 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 EPU :
    - EPU
    ASUS Exclusive Features :
    - AI Suite 3
    - Ai Charger
    - ESD Guards
    - ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface
    ASUS Quiet Thermal Solution :
    - Stylish Fanless Design Heat-sink solution
    - ASUS Fan Xpert 2+
    ASUS EZ DIY :
    - ASUS CrashFree BIOS 3
    - ASUS EZ Flash 3
    - ASUS UEFI BIOS EZ Mode
    ASUS Q-Design :
    - ASUS Q-DIMM
    M.2 Onboard(The latest transfer technologies with up to 32Gb/s data transfer speeds)
  • Back I/O Ports
    1 x PS/2 keyboard (purple)
    1 x PS/2 mouse (green)
    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)
    1 x USB 5Gb/s port(s) Type-C ( support 3A power output )
    2 x USB 3.0 (blue) Type-A
    2 x USB 2.0
    3 x Audio jack(s)
  • Internal I/O Ports
    1 x USB 3.0 connector(s) support(s) additional 2 USB 3.0 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 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 3.0 x 4 mode)
    1 x TPM header
    1 x LPT header
    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 4-pin ATX 12V Power connector(s)
    1 x Front panel audio connector(s) (AAFP)
    1 x Chassis Intrusion connector(s)
    1 x System panel connector
  • Accessories
    User's manual
    I/O Shield
    2 x SATA 6Gb/s cable(s)
    2 x M.2 screws
    1 x Supporting DVD
  • BIOS
    128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0, ACPI 6.0, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F6 Qfan Control, F3 My Favorites, Last Modified log, F12 PrintScreen, and ASUS DRAM SPD (Serial Presence Detect) memory information
  • Manageability
    WfM 2.0, DMI 3.0, WOL by PME, PXE
  • Support Disc
    Drivers
    ASUS Utilities
    ASUS EZ Update
    Anti-virus software (OEM version)
  • Operating System
    Windows® 10 64-bit
    Windows® 8.1 64-bit *4
    Windows® 7 32-bit *4
    Windows® 7 64-bit *4
  • Form Factor
    mATX Form Factor
    9.6 inch x 8.1 inch ( 24.4 cm x 20.6 cm )
  • Note
    *1 When a device in SATA mode is installed on the M.2_1 socket, SATA_1 port cannot be used.
    *2 Only M.2_2 socket can support Intel® Optane™ Memory.
    *3 Intel® Optane™ Technology is only supported when using 7th Generation Intel® processors. Before using Intel® Optane™ memory modules,ensure that you have updated your motherboard drivers and BIOS to the latest version from ASUS support website.
    *4 Windows® 8.1 64-bit and Windows® 7 32 / 64-bit are only supported when using 6th Generation Intel® Processors
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