Asus PRIME B550M-K - AMD AM4 Socket

micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A

[ FEATURES ]

• AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors

• Comprehensive cooling: PCH heatsink and Fan Xpert 2+

• Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A

• 5X Protection III: Multiple hardware safeguards for all-around system protection

[ CPU ]

AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors *

[ Chipset ]

AMD B550

[ Memory ]

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors:

• 4 x DIMM, Max. 128GB, DDR4

• 4600(O.C) / 4400(O.C) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3333(O.C.) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 MHz Un-buffered Memory *

AMD RyzenTM 4000 G-Series Processors:

• 4 x DIMM, Max. 128GB, DDR4

• 4800(O.C.) / 4600(O.C) / 4466(O.C.) / 4400(O.C) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3333(O.C.) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 MHz Un-buffered Memory *

• Dual Channel Memory Architecture

• ECC Memory (ECC mode) support varies by CPU.

[ Graphic ]

• 1  x D-Sub

• 1  x DVI-D

• 1  x HDMI 2.1(4K@60HZ)

*Graphics specifications may vary between CPU types.

[ Expansion Slots ]

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors:

1 x PCIe 4.0 x16 (x16 mode)

AMD RyzenTM 4000 G-Series Processors:

1 x PCIe 3.0 x16 (x16 mode)

AMD B550 Chipset:

2 x PCIe 3.0 x1

[ Storage ]

Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports:

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors :

• 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 4.0 x4 and SATA modes) storage devices support

AMD RyzenTM 4000 G-Series Processors :

• 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support

AMD B550 Chipset :

• 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support

• 4 x SATA 6Gb/s port(s),

• Support Raid 0, 1, 10

[ LAN ]

• Realtek RTL8111H 1Gb Ethernet

• ASUS LANGuard

[ Audio ]

Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC *

- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback

Audio Feature :

- LED-illuminated design

- Audio Shielding

- Dedicated audio PCB layers

- Premium Japanese audio capacitors

* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

[ USB Ports ]

Rear USB Port ( Total 6  )

• 2 x USB 3.2 Gen 2 port(s)(2 x Type-A)

• 4 x USB 3.2 Gen 1 port(s)(4 x Type-A)

Front USB Port ( Total 6  )

• 2 x USB 3.2 Gen 1 port(s)(2 x Type-A)

• 4 x USB 2.0 port(s)(4 x Type-A)

[ Software Features ]

• ASUS Exclusive Software

• Armoury Crate

• AI Suite 3 - Performance And Power Saving Utility

• TurboV EVO

• EPU

• Digi+ VRM

• Fan Xpert 2+ - EZ update

• ASUS CPU-Z

• AI Charger

• DAEMON Tools

• Norton Anti-virus software (Free Trial for 60 days)

• WinRAR

• UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

• ASUS Special Features

ASUS 5X PROTECTION III

- ASUS DIGI+ VRM

- ASUS LANGuard

- ASUS Overvoltage Protection

- ASUS SafeSlot Core

- ASUS Stainless-Steel Back I/O

ASUS Q-Design

- ASUS Q-DIMM

- ASUS Q-Slot

ASUS Thermal Solution

- Aluminum heatsink design

• ASUS Lighting Control

[ 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 3.2 Gen 2 (teal blue) (2 x Type-A)

• 4 x USB 3.2 Gen 1 (blue) Type-A

• 3 x Audio jack(s)

[ Internal I/O Ports ]

• 1 x CPU Fan connector(s)

• 2 x Chassis Fan connector(s)

• 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 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 & X4 PCIE mode)

• 1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)

• 1 x SPI TPM header

• 4 x SATA 6Gb/s connector(s)

• 1 x S/PDIF out header(s)

• 1 x 24-pin EATX Power connector(s)

• 1 x 8-pin EATX 12V Power connectors

• 1 x Front panel audio connector(s) (AAFP)

• 1 x Clear CMOS jumper(s)

• 1 x System panel connector

• 1 x COM port header

• 1 x Speaker connector

[ Accessories ]

• User´s manual

• I/O Shield

• 2 x SATA 6Gb/s cable(s)

• 1 x Supporting DVD

• 1 x M.2 SSD screw package(s)

[ BIOS ] 256 Mb Flash ROM, UEFI AMI BIOS

[ Manageability ] WOL by PME, PXE

[ Operating System ] Windows® 10 64-bit

[ Form Factor ]

• mATX Form Factor