• ASRock B550D4M, 1xSKT AM4, AMD Ryzen, B550, SATA, 1xM.2, 2xGbE, IPMI


ASRock B550D4M, 1xSKT AM4, AMD Ryzen, B550, SATA, 1xM.2, 2xGbE, IPMI

Part number:

1119.30 zł net1376.74 zł gross


  1. ATX (12"x 9.6")
  2. Support AMD Ryzen 5000 Series Desktop Processors
  3. 4 DIMM slots (2DPC), supports DDR4 ECC/non-ECC UDIMM
  4. 1 PCIe4.0 x8, 1 PCIe4.0 x4
  5. 1 M.2 (PCIe3.0 x4 or SATA 6Gb/s)
  6. 1 OCP 2.0 Mezzanine connector A (PCIe3.0 x8)
  7. 2 RJ45 (1GbE) by Intel® i210
  8. 7 SATA 6Gb/s
  9. HDMI
  10. Remote management (IPMI)


 Physical Status
Form Factor ATX
Dimensions 12" x 9.6" (305 mm x 244 mm)
 Processor System
CPU Supports:
AMD Ryzen™ 5000 and 4000 G-Series Desktop Processors with Radeon™ Graphics
AMD Ryzen™ 5000 and 3000 Series Desktop Processors
AMD Ryzen™ PRO 5000, 4000 and 3000* Series Desktop Processors
* Not compatible with AMD Ryzen™ PRO 3000 Series Desktop Processors with Radeon™ Graphics
Socket Single Socket AM4 (PGA1331)
Chipset AMD B550
 System Memory
Supported DIMM Quantity 4 DIMM slots (2DPC)
Supported Type Supports DDR4 288-pin ECC*/non-ECC UDIMM
* For AMD Ryzen Desktop Processors with Radeon Graphics, ECC support is only with Processors with PRO technologies.
Max. Capacity per DIMM ECC/non-ECC UDIMM: up to 32GB
DIMM Frequency up to 3200 MHz*
* AMD Ryzen™ 3000 G-Series Desktop Processors with Radeon™ Graphics support up to 2666 MHz
Voltage 1.2V
 PCIe Expansion Slots (SLOT7 close to CPU)
PCIe x 16 SLOT6: PCIe x16 (PCIe4.0* x8) [CPU]
*Supports PCIe3.0 when using AMD Ryzen™ 5000, 4000 G-Series Desktop Processors with Radeon™ Graphics
PCIe x 8 SLOT4: PCIe x8 (PCIe4.0* x4) [CPU]
*Supports PCIe3.0 when using AMD Ryzen™ 5000, 4000 G-Series Desktop Processors with Radeon™ Graphics
Mezzanine slot 1 OCP 2.0 Mezzanine connector A (PCIe3.0 x8) [CPU]
M.2 1 M-key (PCIe3.0x4 or SATA 6Gb/s); support 22110/2280/2242 form factor [FCH]
 SATA/SAS Storage
PCH Built-in Storage AMD B550 (5 SATA 6Gb/s; RAID 0/1/10):
4 SATA 7-pin, 1 M.2
Additional SATA Controller ASM1061 (2 SATA6Gb/s):
2 SATA 7-pin
Additional GbE Controller 2 Intel® i210: 2 RJ45 (1GbE)
 Server Management
BMC Controller ASPEED AST2500
IPMI Dedicated GLAN 1 x Realtek RTL8211E for dedicated management GLAN
Controller ASPEED AST2500:
1 DB15, 1 (15-pin) header

AMD Ryzen Desktop Processors with Radeon Graphics:
 Rear I/O
UID Button/LED 1 UID button, 1 UID LED
VGA Port 1 DB15
Serial Port 1 DB9
USB 3.2 Gen1 Port 2 Type-A (USB3.2 Gen1)
USB 3.2 Gen2 Port 2 Type-A (USB3.2 Gen2)
RJ45 2 RJ45 (1GbE)
1 dedicated IPMI
 Internal Connector/Headers
Auxiliary Panel Header 1 (18-pin): chassis intrusion, system fault LED, LAN1/LAN2 activity LED, locate, SMBus
System Panel 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
COM Header 1
Video output 1
Speaker Header 1
Buzzer 1
Fan Header 6 (6-pin)
Thermal Sensor Header 1
TPM Header 1 (17-pin, LPC), 1 (13-pin, SPI)
SMBus header 1
PMB header 1
IPMB Header 1
Clear CMOS 1 (contact pads)
USB 3.2 (Gen1) Header 1 (19-pin, 2 USB3.2 Gen1)
USB 2.0 Header 1 (9-pin, 2 USB2.0)
Type A USB 3.2 (Gen1) Port 1 (Type-A, 1 USB3.2 Gen1)
Power Connector 1 (24-pin, ATX main power), 1 (8-pin, ATX 12V), 1 (4-pin, ATX 12V)
 LED Indicators
Standby PWR LED 5vsb 1
80 Debug Port LED 1
Fan Fail LED 6
 System BIOS
BIOS Type AMI UEFI BIOS; 256 Mb (32MB) SPI Flash ROM
BIOS Features Plug and Play, ACPI 5.1 compliance wake up events, SMBIOS 2.3
 Hardware Monitor
Temperature CPU, DDR, MB, Card Side, FCH, TR1 sensing
Fan Fan Tachometer
CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)
Multi-Speed Control
Voltage 3VSB, 5VSB, VCPU, VSOC, VCCM, APU VDDP, 1.05V_PROM_S5, 2.5V_PROM, 1.05V_PROM_RUN, BAT, 3V, 5V, 12V
Temperature Operation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°C
Humidity Non operation humidity: 20% ~ 90% ( Non condensing)

The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.

Form FactorATX
Dimensions12" x 9.6"
CPU SocketPGA 1331 (Socket AM4)
# of CPU sockets1
Supported CPU'sAMD Ryzen 3000
AMD Ryzen PRO 3000
AMD Ryzen 4000G
AMD Ryzen PRO 4000
AMD Ryzen 5000
AMD Ryzen 5000G
AMD Ryzen PRO 5000
Memory Speed3200 MHz
# of DIMM's4
Max Memory Size128
Integrated GPUASPEED AST2500
# of PCIe x4 4.01
# of PCIe x8 4.01
# of USB Ports4x USB 3.2 (rear)
2x USB 3.2 (header)
# of SATA Ports4
Integrated RAID0,1,10
# of Serial Ports1 x DB9
# of 1GbE Ports2 x RJ45
Integrated BMCIPMI Dedicated RJ45
TPM1 x TPM 2.0 17-pin Header
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