Main Specifications
Device Type	Motherboard
Dimensions (WxDxH)	12" x 13.05" (30.5cm x 33.1cm)
Form Factor	E-ATX
Processor
Compatible Processors	Dual AMD EPYC 7000-series Processors
Processor Sockets	Socket SP3
System Memory
DIMM Sizes	8GB, 16GB, 32GB, 64GB, 128GB
Error Detection	Corrects single-bit errors
	Detects double-bit errors (using ECC memory)
Memory Capacity	16 DIMM sockets
	Supports up to 2TB Registered ECC DDR4 2666MHz SDRAM in 16 DIMMs
	8-channel memory bus
	For Dual CPUs: Recommended that memory be populated equally in adjacent memory banks
Memory Type	DDR4 2666 MHz Registered ECC, 288-pin gold-plated DIMMs
Memory Voltage	1.2V
On-Board Devices
Chipset	System on Chip
IPMI	Support for Intelligent Platform Management Interface v.2.0
	IPMI 2.0 with virtual media over LAN and KVM-over-LAN support
	ASPEED AST2500 BMC
Network Controllers	2 1GbE LAN via Intel® i350-AM21
	1 Realtek RTL8211E PHY (dedicated IPMI)
SATA	SATA3 (6 Gbps)
VGA	ASPEED AST2500 BMC
Input / Output
LAN	2 RJ45 Gigabit Ethernet LAN ports
	1 RJ45 Dedicated IPMI LAN port
Others	1 COM port (rear)
	2 SATA DOM power connector
	1 TPM 2.0 header
SATA	10 SATA3 (6 Gbps) ports
USB	2 USB 3.0 ports (rear)
	4 USB 2.0 ports (2 rear + 2 via header)
VGA	1 VGA port
Chassis Optimized for
Tower / 4U Rackmount	CSE-745BAC-R1K28B2
Expansion / Connectivity
Expansion Slots Total (Free)	PCI-Express: 3 PCI-E 3.0 x8
	PCI-Express: 2 PCI-E 3.0 x16
	M.2: Interface: PCI-E 3.0 x2
	M.2: Form factor: 22110
	M.2: Support SATA devices
Management
Power Configurations	ACPI Power Management
	Power-on mode control for AC power loss recovery
Software	Super Doctor 5, Watch Dog, NMI, SPM, SUM, IPMI 2.0, KVM with dedicated LAN
PC Health Monitoring
CPU	Monitors CPU Core Voltages, +1.5V, +1.8V, +12V +5V, +5V standby
	CPU switching voltage regulator
	Supports system management utility
	VBAT
FAN	Up to 8-fan status tachometer monitoring
	Up to eight 4-pin fan headers
	Dual Cooling Zone
	Status monitor for speed control
	Pulse Width Modulated (PWM) fan connectors
LED	CPU / System Overheat LED
Other Features	Chassis Intrusion Detection
	Chassis Intrusion Header
	UID
Temperature	Monitoring for CPU and chassis environment
	CPU Thermal Trip Support
	Thermal control for 8x Fan connectors
	I2C Temperature Sensing Logic
System BIOS
BIOS Features	Plug and Play (PnP), DMI 2.3, PCI 2.2, ACPI 5.1, USB Keyboard Support, SMBIOS 3.1.1
BIOS Type	AMI 128Mb SPI Flash EEPROM
Operating Environment
Operating Temperature	Operating Temperature:10°C to 35°C (50°F to 95°F)
	Non-operating Temperature:-40°C to 70°C (-40°F to 158°F)
	Operating Relative Humidity:8% to 90% (non-condensing)
	Non-operating Relative Humidity:5% to 95% (non-condensing)
Parts List
Motherboard	1x MBD-H11DSI-O
Cables	2x CBL-0044L, 2x CBL-0097L-03
I/O Shield	1x MCP-260-00042-0N