Asrock B450M/AC R2.0, AMD B450, AM4, Micro ATX, 4 DDR4, HDMI, GB LAN, AC Wi-Fi, 1x M.2

Unique Feature

ASRock Super Alloy

- Premium 42A Power Choke

- Sapphire Black PCB

- High Density Glass Fabric PCB

- 2oz Copper PCB

Intel® 802.11ac WiFi

ASRock Ultra M.2 (PCIe Gen3 x4)

ASRock Full Spike Protection (for all USB, Audio, LAN Ports)

ASRock Live Update & APP Shop

CPU

- Supports AMD AM4 Socket Ryzen™ 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors

- Digi Power design

- 10 Power Phase design

Chipset

- AMD Promontory B450

Memory

- Dual Channel DDR4 Memory Technology

- 4 x DDR4 DIMM Slots

- AMD Ryzen series CPUs (Vermeer) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*

- AMD Ryzen series CPUs (Matisse) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*

- AMD Ryzen series APUs (Cezanne) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*

- AMD Ryzen series APUs (Renoir) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*

- AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*

- AMD Ryzen series CPUs (Picasso) support DDR4 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory*

- AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*

- AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory

- Max. capacity of system memory: 128GB**

- Supports Extreme Memory Profile (XMP) memory modules

- 15μ Gold Contact in DIMM Slots

*For Ryzen Series APUs (Picasso, Cezanne, Renoir and Raven Ridge), ECC is only supported with PRO CPUs.

SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label

DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label

**Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.

BIOS

- 128Mb AMI UEFI Legal BIOS with multilingual GUI support

- Supports "Plug and Play"

- ACPI 5.1 compliance wake up events

- Supports jumperfree

- SMBIOS 2.3 support

- DRAM Voltage multi-adjustment

Graphics

- Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU*

- DirectX 12, Pixel Shader 5.0

- Shared memory default 2GB. Max Shared memory supports up to 16GB.**

- Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz

- Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant HDMI monitor is required)

- Supports HDCP 1.4 with HDMI 1.4 Port

- Supports 4K Ultra HD (UHD) playback with HDMI 1.4 Port

*Actual support may vary by CPU

**The Max shared memory 16GB requires 32GB system memory installed.

Audio

- 7.1 CH HD Audio with Content Protection (Realtek ALC892/897 Audio Codec)

- Supports Surge Protection

LAN

- PCIE x1 Gigabit LAN 10/100/1000 Mb/s

- Realtek RTL8111H

- Supports Wake-On-LAN

- Supports Lightning/ESD Protection

- Supports Energy Efficient Ethernet 802.3az

- Supports PXE

Wireless LAN

- Intel® 802.11ac WiFi Module

- Supports IEEE 802.11a/b/g/n/ac

- Supports Dual-Band (2.4/5 GHz)

- Supports high speed wireless connections up to 433Mbps

- Supports Bluetooth 4.2 / 3.0 + High speed class II

Slots

AMD Ryzen series CPUs (Vermeer, Matisse, Cezanne, Renoir, Summit Ridge and Pinnacle Ridge)

- 1 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)*

- 1 x PCI Express 2.0 x16 Slot (PCIE2: x4 mode)

AMD Ryzen series CPUs (Picasso, Raven Ridge)

- 1 x PCI Express 3.0 x16 Slot (PCIE1: x8 mode)*

- 1 x PCI Express 2.0 x16 Slot (PCIE2: x4 mode)

AMD Athlon series CPUs

- 1 x PCI Express 3.0 x16 Slot (PCIE1: x4 mode)*

- 1 x PCI Express 2.0 x16 Slot (PCIE2: x4 mode)

- Supports AMD Quad CrossFireX™ and CrossFireX™

- 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ac PCIe WiFi module (on the rear I/O)

*Supports NVMe SSD as boot disks

Storage

- 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug

- 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Vermeer, Matisse, Cezanne, Renoir, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon series APU)*

*Supports NVMe SSD as boot disks

Supports ASRock U.2 Kit

Connector

- 1 x Chassis Intrusion Header

- 1 x Power LED and Speaker Header

- 1 x RGB LED Header*

- 1 x Addressable LED Header**

- 1 x AMD Fan LED Header***

- 1 x CPU Fan Connector (4-pin)****

- 1 x Chassis Fan Connector (3-pin)*****

- 1 x Chassis/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)******

- 1 x 24 pin ATX Power Connector

- 1 x 8 pin 12V Power Connector

- 1 x Front Panel Audio Connector

- 1 x AMD LED Fan USB Header

- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)

- 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)

*Supports in total up to 12V/3A, 36W LED Strip

**Supports in total up to 5V/3A, 15W LED Strip

***The AMD Fan LED Header supports LED strips of maximum load of 3A (36W) and length up to 2.5M.

****The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.

*****The Chassis Fan Connector supports the chassis fan of maximum 1A (12W) fan power.

******The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.

CHA_FAN1 can auto detect if 3-pin or 4-pin fan is in use.

Rear Panel I/O

- 2 x Antenna Ports

- 1 x HDMI Port

- 2 x USB 2.0 Ports (Supports ESD Protection)

- 4 x USB 3.2 Gen1 Ports (Supports ESD Protection)

- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)

- HD Audio Jacks: Line in / Front Speaker / Microphone

Software and UEFI

Software

- ASRock A-Tuning

- ASRock Polychrome SYNC

UEFI

- ASRock Full HD UEFI

- ASRock Instant Flash

- ASRock Easy RAID Installer

*These utilities can be downloaded from ASRock Live Update & APP Shop.

Support CD

- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar

Accessories

- Quick Installation Guide, Support CD, I/O Shield

- 2 x SATA Data Cables

- 2 x ASRock WiFi 2.4/5 GHz Antennas

- 1 x Screw for M.2 Socket

Hardware Monitor

- Temperature Sensing: CPU, Chassis, Chassis/Water Pump Fans

- Fan Tachometer: CPU, Chassis, Chassis/Water Pump Fans

- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, Chassis, Chassis/Water Pump Fans

- Fan Multi-Speed Control: CPU, Chassis, Chassis/Water Pump Fans

- CASE OPEN detection

- Voltage monitoring: +12V, +5V, +3.3V, Vcore

Form Factor

- Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm

- 2oz Copper PCB

- Solid Capacitor design

OS

- Microsoft Windows® 10 64-bit / 11 64-bit*

*Summit Ridge do not officially support Windows® 11.

Certifications

- FCC, CE

- ErP/EuP ready (ErP/EuP ready power supply is required)