top of page
ASROCK B550M PRO4
  • ASROCK B550M PRO4

    • CPU

      - Supports 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.

    • Chipset

      - AMD B550

    • Memory

      - Dual Channel DDR4 Memory Technology
      - 4 x DDR4 DIMM Slots
      - AMD Ryzen series CPUs (Vermeer) support 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) support 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) support 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) support 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) support 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*

    • BIOS

      - 256Mb 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

    • Connector

      - 1 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/O

      - Antenna 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

      RM485.00Price
      Product Page: Stores_Product_Widget
      bottom of page