ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard - Computer Alliance
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ASUS S1151 MicroATX PRIME-B250M-A DDR4 Motherboard

Web ID: 20090

Intel B250 Chipset, Socket 1151, 4 x DDR4, 1 x PCIe 3.0 x16, 2 x PCIe 3.0 x1, HDMI, DVI, D-Sub, 2 x M.2, 6 x SATA 6Gb/s, Gigabit LAN, 1 x USB 3.0 Type C, 4 x USB 3.0, 6 x USB 2.0, MicroATX Form Factor.
Manufacturer Warranty: 3 Year
Manufacturer PN: PRIME-B250M-A
GTIN: 889349572054
Manufacturer Website

$129 

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.

520+

DDR4 Compatibility

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

1000+

Compatible Devices

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

8000+

Validation Hours

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

 

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

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.
* ESD result is undertaken by individual LANGaurd

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.

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.

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.

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.
LAN port
ESD TVS diode protection on the LAN circuit.
USB connectors
TVS diodes for surface-mount and dual-inline packages.
VGA connectors
Additional on-circuit ESD TVS diodes to protect D-Sub functionality.
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.
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!

* 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
Temperature and Humidity Test
Ensures components withstand extreme conditions.
Thermal Measurement Test
Ensures that the system remains cool and stable under the heaviest loads.
Insertion Test
Every port and connector is put through repeated installation cycles.
Aging Test
Up to 48-hour aging test ensures reliability.
Power Consumption Test
Checked for world-class energy efficiency.
Temperature and DC Margin Test
Ensures that the motherboard is capable of coping with Voltage fluctuations caused by varying temperatures.
Thermal Shock Test
Ensures ability to survive temperature changes during transportation.
Non-Operation Shock Test
Built to withstand jolts that may occur during shipping.
Burn-In Test
Every component is checked to ensure flawless operation in any environment.
Installation Test
Connector placement is double-checked to ensure hassle-free installation.
Drop Test
Drop tests from various heights ensure durability.
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.
 

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