Model: PRIME B450M-K II

CPU: AMD AM4 Socket for 3rd/2nd/1st Gen AMD Ryzen™, 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics, Athlon™ with Radeon™ Vega Graphics Processors *

* Refer to www.asus.com for CPU support list

Chipset: AMD B450

Memory

Dual Channel Memory Architecture

ECC Memory (ECC mode) support varies by CPU.

* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

* The maximum memory frequency supported varies by processor.

Graphics

Integrated Graphics in the 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics, Athlon™ with Radeon™ Vega Graphics Processors *

1 x D-Sub

1 x DVI-D

1 x HDMI 2.0b

*Graphics specifications may vary between CPU types.

Expansion Slots

3rd/2nd/1st Gen AMD Ryzen™ Processors: 1 x PCIe 3.0 x16 (x16 mode)

2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors: 1 x PCIe 3.0 x16 (x8 mode)

AMD Athlon™ with Radeon™ Vega Graphics Processors: 1 x PCIe 3.0 x16 (x4 mode)

AMD B450 chipset: 2 x PCIe 2.0 x1

Storage

Total supports 1 x M.2 slot(s) and 4 x SATA 6Gb/s ports

3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics:

1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)

Athlon™ with Radeon™ Vega Graphics Processors:

1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)

AMD B450 chipset:

4 x SATA 6Gb/s ports, Supports Raid 0, 1, 10

LAN

Realtek® RTL8111H, ASUS LANGuard

Audio

Realtek ALC887/897 7.1-Channel 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

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

USB Ports

Rear USB Ports: Total 6

4 x USB 3.2 Gen 1 (Type-A)

2 x USB 2.0 (Type-A)

Front USB Ports: Total 6

2 x USB 3.2 Gen 1

4 x USB 2.0

Software Features

ASUS Exclusive Software: Armoury Crate, AI Suite 3, TurboV EVO, EPU, DIGI+ VRM, Fan Xpert, PC Cleaner, EZ update, System Information, ASUS CPU-Z, AI Charger, ASUS EZ Installer, 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: DIGI+ VRM, LANGuard, Overvoltage Protection, SafeSlot Core, Stainless-Steel Back I/O

ASUS Q-Design: Q-DIMM, Q-Slot

ASUS Thermal Solution: Aluminum heatsink design

ASUS EZ DIY: BIOS FlashBack™ button, BIOS FlashBack™ LED

ASUS Lighting Control

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

4 x USB 3.2 Gen 1 (blue) Type-A

2 x USB 2.0

3 x Audio jack(s)

1 x BIOS FlashBack™ Button

Internal I/O Ports

1 x CPU Fan connector (1 x 4-pin)

1 x Chassis Fan connector (1 x 4-pin)

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 storage devices support (SATA & PCIE 3.0 x 4 mode)

1 x SPI TPM header

1 x COM port connector

4 x SATA 6Gb/s connectors

1 x S/PDIF out header

1 x 24-pin EATX Power connector

1 x 8-pin ATX 12V Power connector

1 x Front panel audio connector (AAFP)

1 x System panel

1 x Clear CMOS jumper

1 x COM port header

1 x Speaker connector

Accessories

User's manual, I/O Shield, 2 x SATA 6Gb/s cables, 1 x M.2 Anchor, 1 x Supporting DVD

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Operating System

Windows® 10 64-bit, Windows® 7 64-bit *

*To support Windows 7 64-bit, please install an AMD Ryzen™ 2nd Generation or Ryzen™ 1st Generation Processor.

Form Factor

mATX Form Factor: 8.9 inch x 8.7 inch (22.6 cm x 22.1 cm)