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ASRock Rack

B550D4U

SKUB550D4U
ProcessorSupports:
Storage6 GB SATA III
GraphicsASPEED AST2500
OSWindows

Specifications 40 normalized

Processor
Processor
Supports:
AMD Ryzenâ„¢ 5000 and 4000 G-Series Desktop Processors with Radeonâ„¢ Graphics
AMD Ryzenâ„¢ 5000 and 3000 Series Desktop Processors
AMD Ryzenâ„¢ PRO 5000, 4000 and 3000 * Series Desktop Processors
* Not compatible with AMD Ryzenâ„¢ PRO 3000 Series Desktop Processors with Radeonâ„¢ Graphics
Chipset
AMD B550
Memory & storage
Memory
4 DIMM slots (2DPC), supports DDR4 ECC/non-ECC UDIMM
Storage
AMD B550 (4 SATA 6Gb/s
RAID 0/1/10):
3 SATA 7-pin, 1 SATA DOM
Max. Capacity Per DIMM
ECC/non-ECC UDIMM: up to 32 GB
System Memory Voltage
1.2V
Graphics
Graphics
ASPEED AST2500:
1 DB15, 1 (15-pin) header
AMD Ryzen Desktop Processors with Radeon Graphics:
1 HDMI
Display
Auxiliary Panel Header
1 (19-pin): chassis intrusion, system fault LED, LAN activity LED
System Panel
1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
Connectivity
Networking
Intel i210: 2 RJ45 (1GbE)
Power Connector
1 (24-pin, ATX main power), 1 (8-pin, ATX 12V)
M.2 Slot
1 M-key (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280/2260/2242 form factor [FCH]
1 M-key (PCIe3.0 x2), supports 22110/2280/2260/2242 form factor [FCH]
Video Port
1 DB15, 1 HDMI
Serial Port
1 DB9
USB 3.2 Gen2 Port
2 Type-A (USB3.2 Gen2)
USB 3.2 (Gen1) Header
1 (19-pin, 2 USB3.2 Gen1)
Camera & audio
Speaker Header
1 (4-pin)
Physical & build
Physical Status Dimensions
9.6" x 9.6"
Form Factor
Micro-ATX
Fan Header
4 (6-pin), 2 (4-pin)
Fan Fail LED
6
Fan
Fan Tachometer
Multi-Speed Control
CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)
Operating system & software
Operating System
Microsoft Windows:
- Windows 10 (64 bit)
- Windows 11 (64 bit)
Linux:
- RedHat Enterprise Linux Server 8.5 (64bit) / 7.9 (64bit)
- CentOs 8.5 ( 64 bit) / 7.9 (64bit)
- SUSE SLES 15.2(64 bit)
- UBuntu 21.10 (64 bit) / 21.04 (64 bit)
Hypervisor:
- VMWare  ESXi 6.7.0 U3
* On the Windows system, Raid mode supports UEFI Boot only.
* The Linux system doesn't support Raid Mode.
Security
TPM Header
1 (17-pin, LPC), 1 (13-pin, SPI)
Warranty & support
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.
Other
Socket
Single Socket AM4 (PGA1331)
Max. DIMM Frequency
up to 3200 MHz *
* AMD Ryzenâ„¢ 3000 G-Series Desktop Processors with Radeonâ„¢ Graphics support up to 2666 MHz
PCIe X 16
SLOT6: Latch PCIe4.0 * x16 [CPU]
* Supports PCIe3.0 when using AMD Ryzenâ„¢ 5000, 4000 G-Series Desktop Processors with Radeonâ„¢ Graphics
PCIe X 4
SLOT4: PCIe4.0 * x4 [CPU] * Supports PCIe3.0 when using AMD Ryzenâ„¢ 5000, 4000 G-Series Desktop Processors with Radeonâ„¢ Graphics
Additional SATA Controller
ASM 1061 (2 SATA 6Gb/s):
2 SATA 7-pin
UID Button/LED
1 UID button w/ LED
RJ45
2 RJ45 (1GbE)
1 dedicated IPMI
VGA Header
1
Clear CMOS
1 (contact pads)
BIOS Type
AMI UEFI BIOS
256 Mb (32 MB) SPI Flash ROM
BIOS Features
Plug and Play, ACPI 5.1 compliance wake up events, SMBIOS 2.3
Temperature
CPU, DDR, MB, Card Side, FCH
Hardware Monitor Voltage
3VSB, 5VSB, VCPU, VSOC, VCCM, APU VDDP, 1.05V_PROM_S5, 2.5V_PROM, 1.05V_PROM_RUN, BAT, 3V, 5V, 12V
Operating Humidity
Non-operating humidity: 20% ~ 90% (non-condensing)

I/O Ports 4

  • Intel i210: 2 RJ45 (1GbE)
  • 1 HDMI
  • 2 Type-A (USB3.2 Gen2)
  • 1 (19-pin, 2 USB3.2 Gen1)

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