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

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

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

 

Specifications

Physical Status
Form Factor	ATX
Dimensions	12"x 9.6" (305x 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
Ethernet
Additional GbE Controller	2 Intel® i210: 2 RJ45 (1GbE)
Server Management
BMC Controller	ASPEED AST2500
IPMI Dedicated GLAN	1x Realtek RTL8211E for dedicated management GLAN
Graphics
Controller	ASPEED AST2500: 1 DB15, 1 (15-pin) header AMD Ryzen Desktop Processors with Radeon Graphics: 1 HDMI
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
HDMI	1
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
Environment
Temperature	Operation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°C
Humidity	Non operation humidity: 20% ~ 90% ( Non condensing)