Asrock B550m pro4 motherboard

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  • 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

Asrock B550m pro4 motherboard specs - 1Asrock B550m pro4 motherboard specs - 2Asrock B550m pro4 motherboard specs - 3Asrock B550m pro4 motherboard specs - 4Asrock B550m pro4 motherboard specs - 5Asrock B550m pro4 motherboard specs - 6    

Asrock B550m pro4 motherboard technical specs

Product NameAsrock B550m pro4
Model NumberB550M PRO4
Unique FeatureASRock USB 3.2 Gen2
ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)
ASRock Super Alloy
XXL Aluminum Alloy Heatsink
Premium 50A Power Choke
Sapphire Black PCB
High Density Glass Fabric PCB
2oz Copper PCB
ASRock Steel Slot Gen4
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
CPUSupports AMD AM4 Socket Ryzen™ 3000,
3000 G-Series, 4000 G-Series, 5000 and
5000 G-Series Desktop Processors*
Digi Power design
8 Power Phase design

*Not compatible with
AMD Athlon™ Processors.

ChipsetAMD B550
MemoryDual Channel DDR4 Memory Technology
4 x DDR4 DIMM Slots
AMD Ryzen series CPUs (Vermeer) supports:
DDR4 4533+(OC) / 4466(OC) / 4400(OC) /
4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) /
4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) /
3600(OC) / 3466(OC) / 3200 / 2933 / 2667 /
2400 / 2133
ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Matisse) supports:
DDR4 4533+(OC) / 4466(OC) / 4400(OC) /
4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) /
4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) /
3600(OC) / 3466(OC) / 3200 / 2933 / 2667 /
2400 / 2133
ECC & non-ECC, un-buffered memory*
AMD Ryzen series APUs (Cezanne) supports:
DDR4 4733+(OC) / 4666(OC) / 4600(OC) /
4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) /
4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) /
3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) /
3466(OC) / 3200 / 2933 / 2667 / 2400 /
2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series APUs (Renoir) supports:
DDR4 4733+(OC) / 4666(OC) / 4600(OC) /
4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) /
4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) /
3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) /
3466(OC) / 3200 / 2933 / 2667 / 2400 /
2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series APUs (Picasso) supports:
DDR4 3333+(OC) / 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
and Renoir), ECC is only supported with
PRO CPUs.

**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.

BIOS256Mb AMI UEFI Legal BIOS with GUI support
Supports “Plug and Play”
ACPI 5.1 compliance wake up events
Supports jumperfree
SMBIOS 2.3 support
CPU, CPU VDDCR_SOC, DRAM, VPPM,
1.05V_PROM_S5, 2.5V_PROM, +1.8VSB,
VDDP Voltage Multi-adjustment
GraphicsIntegrated 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.**
-Three graphics output options:
D-Sub, HDMI and DisplayPort 1.4
-Supports Triple Monitor
-Supports HDMI 2.1 with max.
resolution up to 4K x 2K (4096×2160) @ 60Hz
-Supports DisplayPort 1.4 with max.
resolution up to 5K (5120×2880)@120Hz
-Supports D-Sub with max.
resolution up to 1920×1200 @ 60Hz
-Supports Auto Lip Sync, Deep Color (12bpc),
xvYCC and HBR (High Bit Rate Audio) with
HDMI 2.1 Port
(Compliant HDMI monitor is required)
-Supports HDR (High Dynamic Range) with
HDMI 2.1
-Supports HDCP 2.3 with HDMI 2.1 and
DisplayPort 1.4 Ports***
-Supports 4K Ultra HD (UHD) playback with
HDMI 2.1 and DisplayPort 1.4 Ports
-Supports Microsoft® PlayReady

*Actual support may vary by CPU

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

***Picasso supports HDCP 2.2 with
HDMI 2.0 Port

Audio7.1 CH HD Audio with Content Protection
(Realtek ALC1200 Audio Codec)
– Premium Blu-ray Audio support
– Supports Surge Protection
– PCB Isolate Shielding
– Individual PCB Layers for R/L Audio Channel
– Nahimic Audio
LANPCIE 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
SlotsAMD Ryzen series CPUs (Vermeer and Matisse)
– 2 x PCI Express x16 Slots
(PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Cezanne and Renoir)
– 2 x PCI Express x16 Slots
(PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Picasso)
– 2 x PCI Express x16 Slots
(PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)*

– 1 x PCI Express 3.0 x1 Slot
– Supports AMD Quad CrossFireX™ and CrossFireX™
– 1 x M.2 Socket (Key E), supports type
2230 WiFi/BT PCIe WiFi module

*Supports NVMe SSD as boot disks

Storage6 x SATA3 6.0 Gb/s Connectors, support RAID
(RAID 0, RAID 1 and RAID 10), NCQ, AHCI
and Hot Plug*
– 1 x Hyper M.2 Socket (M2_1), supports M Key
type 2280 M.2 PCI Express module up to
Gen4x4 (64 Gb/s) (with Vermeer, Matisse) or
Gen3x4 (32 Gb/s) (with Cezanne, Renoir
and Picasso)**
– 1 x M.2 Socket (M2_2), supports M Key type
2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI
Express module up to Gen3 x2 (16 Gb/s)**

*M2_2 and SATA3_5_6 share lanes. If either one
of them is in use, the other one will be disabled.

**Supports NVMe SSD as boot disks

Connector1 x COM Port Header
– 1 x SPI TPM Header
– 1 x Power LED and Speaker Header
– 2 x RGB LED Headers*
– 2 x Addressable LED Headers**
– 1 x CPU Fan Connector (4-pin)***
– 1 x CPU/Water Pump Fan Connector
(4-pin) (Smart Fan Speed Control)****
– 4 x Chassis/Water Pump Fan Connectors
(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
– 2 x USB 2.0 Headers
(Support 4 USB 2.0 ports)
(Supports ESD Protection)
– 2 x USB 3.2 Gen1 Headers
(Support 4 USB 3.2 Gen1 ports)
(Supports ESD Protection)

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

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

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

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

*****The Chassis/Water Pump Fan supports
the water cooler fan of maximum
2A (24W) fan power.
CPU_FAN2/WP, CHA_FAN1/WP,
CHA_FAN2/WP, CHA_FAN3/WP and
CHA_FAN4/WP can auto detect if 3-pin or
4-pin fan is in use.

Rear Panel I/OAntenna Bracket
– 1 x PS/2 Mouse/Keyboard Port
– 1 x D-Sub Port
– 1 x HDMI Port
– 1 x DisplayPort 1.4
– 1 x USB 3.2 Gen2 Type-A Port
(10 Gb/s) (Supports ESD Protection)
– 1 x USB 3.2 Gen2 Type-C Port
(10 Gb/s) (Supports ESD Protection)
– 4 x USB 3.2 Gen1 Ports
(ASMedia ASM1074 hub)
(Supports ESD Protection)
– 2 x USB 2.0 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 UEFISoftware
– ASRock Motherboard Utility (A-Tuning)
– ASRock XFast LAN
UEFI
– ASRock Full HD UEFI
– ASRock Instant Flash

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

Support CDDrivers
Utilities
AntiVirus Software (Trial Version)
Google Chrome Browser and Toolbar
AccessoriesQuick Installation Guide
Support CD, I/O Shield
2 x SATA Data Cables
2 x Screws for M.2 Sockets
Hardware MonitorTemperature Sensing:
CPU, CPU/Water Pump
Chassis/Water Pump Fans
– Fan Tachometer:
CPU, CPU/Water Pump
Chassis/Water Pump Fans
– Quiet Fan (Auto adjust chassis fan
speed by CPU temperature):
CPU, CPU/Water Pump
Chassis/Water Pump Fans
– Fan Multi-Speed Control:
CPU, CPU/Water Pump
Chassis/Water Pump Fans
– Voltage monitoring: +12V, +5V, +3.3V,
CPU Vcore, CPU VDDCR_SOC, DRAM,
VPPM, 1.05V_PROM_S5, +1.8V, VDDP
Form FactorMicro ATX Form Factor:
9.6-in x 9.6-in (24.4 cm x 24.4 cm)
– Solid Capacitor design
– 2oz Copper PCB
OSMicrosoft® Windows® 10 64-bit / 11 64-bit
CertificationsFCC, CE
ErP/EuP ready
(ErP/EuP ready power supply is required)

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Brand

Platform

Chipset

AMD B550

Socket type

Max memory support

128 GB

Form factor

Micro ATX

Warranty

3 Years

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All images and descriptions are for illustrative purposes only. Visual representation of the products may not be perfectly accurate., Product specification, functions and appearance may vary by models and differ from country to country., All specifications are subject to change without notice., Product details mentioned above may contain typography or photography errors, please check with us for exact offers.

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