ASUS PRIME B250M-K

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.

2 x DIMM, Max. 32GB, DDR4 2400/2133 MHz Non-ECC, Un-buffered Memory
Dual Channel Memory Architecture
Supports Intel® Extreme Memory Profile (XMP)
* 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.

Integrated Graphics Processor- Intel® HD Graphics support
Multi-VGA output support : DVI-D/RGB ports
- 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 (for iGPU exclusively)
Supports Intel® InTru™ 3D, Quick Sync Video, Clear Video HD Technology, Insider™

1 x PCIe 3.0/2.0 x16 (x16 mode, gray)
2 x PCIe 3.0/2.0 x1

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
6 x SATA 6Gb/s port(s), gray,

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

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

Intel® B250 Chipset :
6 x USB 3.1 Gen 1 port(s) (4 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)

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: Premium components provide better power efficiency
ASUS EPU :
- EPU
ASUS Exclusive Features :
- AI Suite 3
- Ai Charger
ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert
ASUS EZ DIY :
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS MyLogo 2
ASUS Q-Design :
- ASUS Q-DIMM
M.2 Onboard(The latest transfer technologies with up to 32Gb/s data transfer speeds)

1 x PS/2 keyboard (purple)
1 x PS/2 mouse (green)
1 x DVI-D
1 x D-Sub
1 x LAN (RJ45) port(s)
4 x USB 3.1 Gen 1 (blue) Type-A
2 x USB 2.0
1 x 8-channel Audio I/O

1 x USB 3.1 Gen 1(up to 5Gbps) 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 storage devices support (SATA mode & X4 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)
1 x Chassis Fan connector(s) (1 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 Clear CMOS jumper(s)
1 x System panel connector

User's manual
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x M.2 screws
1 x Supporting DVD

128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0, ACPI 6.1, 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

Windows® 10 64-bit
Windows® 8.1 64-bit *2
Windows® 7 32-bit *2
Windows® 7 64-bit *2

mATX Form Factor
8.9 inch x 7.3 inch ( 22.6 cm x 18.5 cm )

*1 When a device in SATA mode is installed on the M.2 socket,SATA_1 port cannot be used.
*2 Windows® 8.1 64-bit and Windows® 7 32/64-bit are only supported when using 6th Generation Intel® Processors.