Asrock EPYC4000D4U motherboard KNOLL3 X300 Socket AM5 micro ATX

Processor
Maximum number of SMP processors: 1
Processor socket: Socket AM5
Compatible processor series: AMD Ryzen 8000 Series, AMD Ryzen 7000 Series, AMD EPYC 4004, AMD Ryzen 9000 Series
Processor manufacturer: AMD

Graphics
On-board graphics card: Yes
Graphics card: AST2600
Graphics card family: ASPEED

Features
Motherboard chipset: KNOLL3 X300
Component for: Server
Motherboard form factor: micro ATX
Motherboard chipset family: AMD

Memory
ECC сompatibility: ECC & Non-ECC
Memory slot pin count: 288
Supported memory types: DDR5-SDRAM
Memory slots type: DIMM
Number of memory slots: 4
Memory voltage: 1.1 V
Supported memory clock speeds: 5600, 3600
Maximum internal memory: 48 GB

Operational conditions
Operating relative humidity (H-H): 20 - 90%
Storage temperature (T-T): -40 - 70 °C
Operating temperature (T-T): 10 - 35 °C

Weight & dimensions
Depth: 244 mm
Width: 244 mm

Network
Wi-Fi: No
Ethernet interface type: Gigabit Ethernet
Ethernet LAN: Yes
LAN controller: Intel I210

Internal I/O
ATX Power connector (24-pin): Yes
Number of SATA III connectors: 2
TPM connector: Yes

BIOS
System Management BIOS (SMBIOS) version: 3.5
BIOS memory size: 256 Mbit
BIOS type: UEFI AMI
ACPI version: 6.4

Storage controllers
Supported storage drive interfaces: SATA III

Rear panel I/O ports
Serial ports quantity: 1
VGA (D-Sub) ports quantity: 1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
DisplayPorts quantity: 1
HDMI ports quantity: 1
Ethernet LAN (RJ-45) ports: 2
IPMI LAN (RJ-45) port: Yes

Expansion slots
PCI Express x16 (Gen 5.x) slots: 1