ASUS PRIME B550M-K Motherboard

Features

AMD AM4 Socket: Ready for 3rd Gen AMD Ryzen™ processors*

Comprehensive Cooling: PCH heatsink and Fan Xpert 2+ for effective thermal management

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

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

Specifications

Model: PRIME B550M-K

CPU: Built-in AMD AM4 Socket for 3rd Gen AMD Ryzen™ Processors*
* Refer to www.asus.com for CPU support list.

Chipset: AMD B550

Memory:

• 4 x DIMM slots, Max. 128GB
• ECC Memory (ECC mode) support varies by CPU.
• Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Graphics:

• 1 x D-Sub
• 1 x DVI-D
• 1 x HDMI 2.1 (4K@60Hz)

Expansion Slots:

• 3rd Gen AMD Ryzen™ Processors: 1 x PCIe 4.0 x16 (x16 mode)
• AMD B550 Chipset: 2 x PCIe 3.0 x1

Storage:

• Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
• 3rd Gen AMD Ryzen™ Processors:
  • 1 x M.2 Socket 3, with M Key, Type 2242/2260/2280/22110 (PCIe 4.0 x4 and SATA modes)
• AMD B550 Chipset:
  • 1 x M.2 Socket 3, with M Key, Type 2242/2260/2280 (PCIe 3.0 x4 and SATA modes)
• 4 x SATA 6Gb/s ports
• Supports RAID 0, 1, 10

LAN: Realtek RTL8111H 1Gb Ethernet

Audio: Realtek ALC887 7.1 Surround Sound High Definition Audio CODEC

• Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
• Audio Features: LED-illuminated design, Audio Shielding, Dedicated audio PCB layers, Premium Japanese audio capacitors

USB Ports:

• Rear USB (Total 6):
  • 2 x USB 3.2 Gen 2 ports (Type-A)
  • 4 x USB 3.2 Gen 1 ports (Type-A)
• Front USB (Total 6):
  • 2 x USB 3.2 Gen 1 ports (Type-A)
  • 4 x USB 2.0 ports (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: 256 Mb Flash ROM, UEFI AMI 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

Back I/O Ports:

• 1 x PS/2 keyboard/mouse combo port
• 1 x DVI-D
• 1 x D-Sub
• 1 x HDMI
• 1 x LAN (RJ45) port
• 2 x USB 3.2 Gen 2 (teal blue) (Type-A)
• 4 x USB 3.2 Gen 1 (blue) (Type-A)
• 3 x Audio jacks

Internal I/O Ports:

• 1 x CPU Fan connector
• 2 x Chassis Fan connectors
• 1 x USB 3.2 Gen 1 (up to 5Gbps) connector supports additional 2 USB 3.2 Gen 1 ports
• 2 x USB 2.0 connectors support additional 4 USB 2.0 ports
• 1 x M.2 Socket 3 with M Key, Type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode)
• 1 x M.2 Socket 3 with M Key, Type 2242/2260/2280 storage devices support (SATA & PCIe 3.0 x4 mode)
• 1 x SPI TPM header
• 4 x SATA 6Gb/s connectors
• 1 x S/PDIF out header
• 1 x 24-pin EATX Power connector
• 1 x 8-pin EATX 12V Power connector
• 1 x Front panel audio connector (AAFP)
• 1 x Clear CMOS jumper
• 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 cables
• 1 x Supporting DVD
• 1 x M.2 SSD screw package

BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

Manageability: WOL by PXE

Operating System: Windows® 10 64-bit