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Micro ATX motherboard, dark PCB with black and grey heatsinks, four DDR4 slots, AM4 socket, multiple PCIe and M.2 slots, rear I/O

ASRock

ASRock B550M PRO4 AMD motherboard

SKU CH-9P3M-9WEVC MPN B550M PRO4

Micro-ATX AM4 board with PCIe 4.0 x16, dual M.2 slots and 128 GB DDR4 support up to 4733 MHz

  • CPU Socket TypeAM4
  • CPU TypeSupports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Seri
  • ChipsetAMD B550
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) /
  • Maximum Memory Supported128GB

Option B550M PRO4

Genomstrukna varianter finns, men är inte i lager här.

  • Supports Ryzen 5000 and 3000 series CPUs on AM4 socket
  • DDR4 memory overclocks to 4733 MHz across four slots
  • PCIe 4.0 x16 and Gen4 M.2 for fast GPU and storage
  • 8-phase digital power design for stable CPU delivery
  • 1-channel Realtek ALC1200 audio with Nahimic enhancement

AM4 Ryzen platform

The ASRock B550M PRO4 is a micro-ATX motherboard built around the AMD B550 chipset for socket AM4 processors. It supports Ryzen 5000, 5000 G-Series, 4000 G-Series, 3000 and 3000 G-Series CPUs, though a BIOS update may be required for Zen 3 parts. The board is not compatible with Athlon processors.

8-phase Digi Power

An 8-phase Digi Power design delivers smooth current to the CPU and keeps VRM temperatures low during typical workloads. Passive heatsinks on the power stages dissipate heat without adding fan noise. The board draws only the power required by the installed components.

DDR4 4733 OC ceiling

Four 288-pin slots accept unbuffered DDR4 up to 128 GB in dual-channel mode. Supported speeds range from 2133 to 4733+(OC) with Ryzen 5000 G-Series APUs and 4533+(OC) with Ryzen 5000 CPUs. Intel XMP 2.0 profiles are recognised for simplified memory overclocking.

I korthet

  • Supports Ryzen 5000 and 3000 series CPUs on AM4 socket
  • DDR4 memory overclocks to 4733 MHz across four slots
  • PCIe 4.0 x16 and Gen4 M.2 for fast GPU and storage
  • 8-phase digital power design for stable CPU delivery
  • 1-channel Realtek ALC1200 audio with Nahimic enhancement

Specifikationer

BrandASRock
SeriesPrime
ModelB550M PRO4
Part NumberB550M PRO4
CPU Socket TypeAM4
CPU TypeSupports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series / 3000 G-Series Processors*
* Not compatible with AMD Athlon Processors.
* BIOS update might require for AMD Zen 3 Ryzen 5000 Series CPU. Refer to ASRock website for CPU support list.
ChipsetAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 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 (AMD Ryzen series APUs (Cezanne & Renoir))*
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 (AMD Ryzen series CPUs (Vermeer & Matisse))*
DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 (AMD Ryzen series APUs (Picasso))*
* For Ryzen Ser
Maximum Memory Supported128GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP 2.0
ECC SupportedECC supported varies by processors
Buffer SupportedUn-buffered
Memory FeatureDDR4, 4733 MHz, 4, 128 GB
PCI Express 4.0 x161 x PCI Express 4.0 x16*
* Supports NVMe SSD as boot disks.
* Actual support may vary by CPU.
PCI Express 3.0 x161 x PCI Express 3.0 x16*
* Supports NVMe SSD as boot disks.
PCI Express 2.0 x161 x PCI Express 2.0 x16
PCI Express x161 x PCI Express x16
PCI Express x43 x PCI Express x4
PCI Express x11 x PCI Express 3.0 x1
PCI Slots1 x PCI Slot
Other Slots1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
Serial ATA (SATA)6 x SATA3 6.0Gb/s*
* M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled.
M.21 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)*
* Supports NVMe SSD as boot disks.
* Supports ASRock U.2 Kit.
SATA RAID0/1/10
Onboard Video ChipsetSupported only by CPU with integrated graphic
Audio ChipsetRealtek ALC1200
Audio Channels7.1 Channels
LAN ChipsetRealtek RTL8111H
Max LAN Speed1Gbps
Wireless LANWi-Fi 802.11 be
Back I/O PortsAntenna 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 (10Gb/s) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/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
PS/21
COM3
Video Ports1
HDMI1 x HDMI
RJ451 x RJ45
USB 3.12 x USB 3.1
USB 3.010 x USB 3.0
USB 1.1/2.09 x USB 2.0
eSATA1 x eSATA 3Gb/s
Game/MIDI Ports1
Audio Ports6 Ports
Onboard USB2 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)
Other Connectors1 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 Front Panel Audio Connector
* 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 Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 9.6"
Power Pin1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power Connector
Windows 11Supported
FeaturesUnique Feature:
ASRock USB 3.2 Gen2
- ASRock USB 3.2 Gen2 Type-A Port (10Gb/s)
- ASRock USB 3.2 Gen2 Type-C Port (10Gb/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
BIOS:
- 256MB AMI UEFI Legal BIOS with GUI support
- Supports "Plug and Play"
- ACPI 5.1 compliance wake up eve
Fraktvikt1.54 kg
Paketstorlek330 × 279 × 76 mm

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