MOTHERBOARD

B550M Pro4
Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
8 Power Phase Design, Digi Power
Supports DDR4 4733+ (OC)
1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi
Graphics Output Options: HDMI, DisplayPort, D-Sub
AMD CrossFireX™
7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio
6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
2 USB 3.2 Gen2 (Rear Type A+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)
Realtek Gigabit LAN
*Not compatible with AMD Athlon™ Processors.

Form Factor
- Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm
- Solid Capacitor design
- 2oz Copper PCB
OS
- Microsoft® Windows® 10 64-bit / 11 64-bit
Certifications
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)

Supports 13th Gen & 12th Gen and next gen Intel® Core™ Processors (LGA1700)
8 Phase Power Design
Supports DDR4 4800MHz (OC)
1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1
1 M.2 Key-E for WiFi
Graphics Output Options: HDMI, DisplayPort
Realtek ALC897 7.1 CH HD Audio Codec, Nahimic Audio
4 SATA3
2 Hyper M.2 (PCIe Gen4 x4)
1 M.2 (PCIe Gen3 x2 & SATA3)
9 USB 3.2 Gen1 (4 Rear, 4 Front, 1 Front Type-C)
4 USB 2.0 (2 Rear, 2 Front)
Intel® Gigabit LAN
Unique Feature
ASRock Super Alloy
- Premium Power Choke
- Sapphire Black PCB
- High Density Glass Fabric PCB
ASRock Intel® 4-Layer Memory POOL (Planes on Outer Layers) Technology
ASRock Steel Slot
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock POST Status Checker (PSC)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop
CPU
- Supports 13th Gen & 12th Gen and next gen Intel® Core™ Processors (LGA1700)
- Digi Power design
- 8 Power Phase design
- Supports Intel® Hybrid Technology
- Supports Intel® Turbo Boost Max 3.0 Technology
Chipset
- Intel® B660
Memory
- Dual Channel DDR4 Memory Technology
- 4 x DDR4 DIMM Slots
- Supports DDR4 non-ECC, un-buffered memory up to 5333+(OC)*
- Supports ECC UDIMM memory modules (operate in non-ECC mode)
- Max. capacity of system memory: 128GB
- Supports Intel® Extreme Memory Profile (XMP) 2.0

*Supports DDR4 3200 natively.
BIOS
- 128Mb AMI UEFI Legal BIOS with multilingual GUI support
- ACPI 6.0 Compliant wake up events
- SMBIOS 2.7 Support
- CPU Core/Cache, CPU GT, DRAM, VDD_IMC, VCCIN AUX, +1.05V PROC, +1.8V PROC, +0.82V PCH, +1.05V PCH Voltage Multi-adjustment
Graphics
- Intel® Xe Graphics Architecture (Gen 12)
- Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers
- Supports HDMI 2.1 TMDS Compatible with max. resolution up to 4K x 2K (4096x2160) @ 60Hz
- Supports DisplayPort 1.4 with DSC (compressed) max. resolution up to 8K (7680x4320) @ 60Hz / 5K (5120x3200) @ 120Hz
- Supports HDCP 2.3 with HDMI 2.1 TMDS Compatible and DisplayPort 1.4 Ports

*Intel® UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.
Audio
- 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
- Supports Surge Protection
- Nahimic Audio
LAN
- Gigabit LAN 10/100/1000 Mb/s
- Giga PHY Intel® I219V
- Supports Wake-On-LAN
- Supports Lightning/ESD Protection
- Supports Energy Efficient Ethernet 802.3az
- Supports UEFI PXE
Slots
CPU:
- 1 x PCIe 4.0 x16 Slot (PCIE1), supports x16 mode*
Chipset:
- 1 x PCIe 3.0 x16 Slot (PCIE3), supports x4 mode*
- 2 x PCIe 3.0 x1 Slots (PCIE2 and PCIE4)*
- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module and Intel® CNVi (Integrated WiFi/BT)

- Supports AMD CrossFire™

*Supports NVMe SSD as boot disks
Storage

Intel® Socket LGA 1700：Support 13th and 12th Gen Series Processors
Unparalleled Performance：Hybrid 8+2+1 Phases Digital VRM Solution
Dual Channel DDR4：4*DIMMs XMP Memory Module Support
Next Generation Storage：2*PCIe 4.0 x4 M.2 Connectors
EZ-Latch：PCIe 4.0x16 Slot with Quick Release Design
Fast Networks：GbE LAN
Extended Connectivity：Rear USB-C® 20Gb/s, DP, HDMI
Smart Fan 6：Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP
Q-Flash Plus：Update BIOS Without Installing the CPU, Memory and Graphics Card

Memory
Support for DDR4 5333(O.C.)/ 5133(O.C.)/ 5000(O.C.)/ 4933(O.C.)/ 4800(O.C.)/ 4700(O.C.)/ 4600(O.C.)/ 4500(O.C.)/ 4400(O.C.)/ 4300(O.C.)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3800(O.C.)/ 3733(O.C.)/ 3666(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200/ 3000/ 2933/ 2666/ 2400/ 2133 MT/s memory modules
4 x DDR DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
Dual channel memory architecture
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules

Onboard Graphics
Integrated Graphics Processor-Intel® HD Graphics support:
1 x HDMI port, supporting a maximum resolution of 4096x2160 @ 60 Hz
* Support for HDMI 2.0 version and HDCP 2.3.
1 x DisplayPort, supporting a maximum resolution of 4096x2304 @ 60 Hz
* Support for DisplayPort 1.2 version and HDCP 2.3

Audio
Realtek® Audio CODEC
High Definition Audio
2/4/5.1/7.1-channel
* You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.
Support for S/PDIF Out
LAN
Realtek® GbE LAN chip (1 Gbps/100 Mbps)
Expansion Slots
CPU:
1 x PCI Express x16 slot, supporting PCIe 4.0 and running at x16 (PCIEX16)
* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
Chipset:
4 x PCI Express x16 slots, supporting PCIe 3.0 and running at x1
(PCIEX1_1, PCIEX1_3~PCIEX1_5)
Storage Interface
CPU:
1 x M.2 connector (Socket 3, M key, type 22110/2280 PCIe 4.0 x4/x2 SSD support) (M2A_CPU)
Chipset:
1 x M.2 connector (Socket 3, M key, type 2280 PCIe 4.0 x4/x2 SSD support) (M2P_SB)
4 x SATA 6Gb/s connectors
RAID 0, RAID 1, RAID 5, and RAID 10 support for SATA storage devices
USB
Chipset:
1 x USB Type-C® port on the back panel, with USB 3.2 Gen 2x2 support
1 x USB Type-C® port with USB 3.2 Gen 1 support, available through the internal USB header
1 x USB 3.2 Gen 2 Type-A port (red) on the back panel
2 x USB 3.2 Gen 1 ports available through the internal USB header
4 x USB 2.0/1.1 ports on the back panel
Chipset+2 USB 2.0 Hubs:
4 x USB 2.0/1.1 ports available through the internal USB headers
Internal I/O Connectors
1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x CPU fan header

PROCESSOR
Supports 1st, 2nd and 3rd Gen AMD Ryzen™ / Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics / Athlon™ with Radeon™ Vega Graphics and A-series / Athlon X4 Desktop Processors for Socket AM4

CHIPSET
AMD® 320 Chipset

ONBOARD GRAPHICS
1 x DVI-D port, supports a maximum resolution of 1920x1200@60Hz1,2
1 x HDMI™ port 1.4, supports a maximum resolution of 4096x2160@30Hz1,2
Only support when using AMD® Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics/ Athlon™ with Radeon™ Vega Graphics ProcessorsMaximum shared memory of 2048 MB

STORAGE
AMD® A320 Chipset
4 x SATA 6Gb/s ports
Supports RAID 0, RAID 1 and RAID 10

SOCKET= AM4
CHIPSET = AMD® A320 Chipset
MEMORY CHANNEL = Dual
DIMM SLOTS = 2
MAX MEMORY (GB) = 64GB
PCI-E X16 = 1
PCI-E GEN = GEN 3
PCI-E X1= 1
SATAIII = 4
RAID =0/1/10
TPM (HEADER) = 1
USB 3.2 PORTS (FRONT)= 2(Gen1, Type A)
USB 3.2 PORTS (REAR) = 4(Gen1, Type A)
USB 2.0 PORTS (FRONT) =4
USB 2.0 PORTS (REAR)=2
SERIAL PORTS(FRONT)=1
AUDIO PORTS (REAR)=Realtek® ALC892/ALC897 Codec
DVI-D=1
HDMI=1
DIRECTX=12
OPERTING SYSTEM=Support for Windows® 10 64-bit
Support for Windows® 7 64-bit
* To support Windows® 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU.
FORM FACTOR=m-ATX

DIMENSIONS
8.9 in. x 7.4 in. (22.6 cm x 18.7 cm)
m-ATX Form Factor

PROCESSOR Supports 12th/ 13th Gen Intel® Core™ Processors, Pentium® Gold and Celeron® Processors 1
Processor socket LGA1700
CHIPSET Intel® H610 Chipset

MEMORY
2x DDR4 memory slots, support up to 64GB 1
Supports 1R 2133/ 2666/ 3200 MHz (by JEDEC & POR)
Supports Dual-Channel mode
Supports non-ECC, un-buffered memory

EXPANSION SLOT
1x PCIe x16 slot (From CPU)
Supports up to PCIe 4.0 x16
1x PCIe x1 slot (From H610 chipset)
Supports PCIe 3.0 x1

ONBOARD GRAPHICS
1x HDMI™ 1.4 with HDR port, supporting a maximum resolution of 4K 30Hz 1 / 2
1x VGA port, supporting a maximum resolution of 2048x1536 50Hz, 2048x1280 60Hz, 1920x1200 60Hz 1 / 2
Available only on processors featuring integrated graphics.Graphics specifications may vary depending on the CPU installed.

SATA PORTS
4x SATA 6Gb/s ports (From H610 chipset)

SATA PORTS
4x SATA 6Gb/s ports (From H610 chipset)

AUDIO
Realtek® ALC897 Codec
7.1-Channel High Definition Audio
LAN
1x Realtek® RTL8111H 1Gbps LAN controller
POWER CONNECTORS
1x 24-pin ATX main power connector
1x 8-pin +12V power connector
INTERNAL USB CONNECTORS
1x USB 3.2 Gen 1 5Gbps connector (From H610 chipset)
Supports additional 2 USB 3.2 Gen 1 5Gbps ports
2x USB 2.0 Type-A connectors (From Hub-GL850G)
Supports additional 4 USB 2.0 ports
FAN CONNECTORS
1x 4-pin CPU fan connector
2x 4-pin system fan connectors
SYSTEM CONNECTORS
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x TPM module connector
1x Serial port connector
JUMPERS
1x Clear CMOS jumper
LED FEATURES
1x 4-pin RGB LED connector
4x EZ Debug LED

BACK PANEL PORTS
HDMI™
VGA
Keyboard / Mouse
USB 3.2 Gen 1 5Gbps Type-A
LAN port
Audio connector
USB 2.0

DIMENSIONS
M-ATX Form Factor
9.3 in. x 7.9 in. (23.6 cm x 20 cm)

CHIPSET INTEL H470
CPU SUPPORT Supports 10th Gen Intel Core and Pentium Gold/Celeron processors for LGA 1200 Socket
MEMORY 2x DDR4, Maximum Memory Capacity 64GB
Memory Support 2933/ 2666/ 2400/ 2133 MHz
Supports 1R 2133/ 2666/ 2933 MHz for Intel® Core™ i9/ Core™ i7 CPU
Supports 1R 2133/ 2666 MHz for Intel® Core™ i5/ Core™ i3/ Pentium® Gold and Celeron® CPU
Supports Dual-Channel mode
Supports non-ECC, un-buffered memory
Supports Intel® Extreme Memory Profile (XMP)
ONBOARD GRAPHICS 1x HDMI™
Support HDMI™ 1.4, maximum resolution of 4K 30Hz*
1x VGA
Support VGA, maximum resolution of 2048x1536 50Hz, 1920x1200 60Hz
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
EXPANSION SLOT 1x PCI-E x16 slot
1x PCI-E x1 slot
PCI_E1 Gen PCIe 3.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
STORAGE 1x M.2
M.2_1 Source (From Chipset) supports up to PCIe 3.0 x4 / SATA mode, supports 2280/2260/2242 devices
4x SATA 6G
USB 4x USB 2.0 (Rear)
4x USB 2.0 (Front)
2x USB 3.2 Gen1 Type A (Rear)
2x USB 3.2 Gen1 Type A (Front)
LAN Realtek® 8111H Gigabit LAN
AUDIO Realtek® ALC897 Codec
7.1-Channel High Definition Audio
INTERNAL I/O 1x Power Connector(ATX_PWR)
1x Power Connector(CPU_PWR)
1x CPU Fan
2x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 3.2 Gen1 Type A ports
LED FEATURE 4x EZ Debug LED
OPERATING SYSTEM Support for Windows® 11 64-bit, Windows® 10 64-bit
PCB DIMENSION (W × L) mATX
202mmx236mm