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Supermicro MBD-B3SD1-20C-25G

The Supermicro MBD-B3SD1-20C-25G is a high-performance server motherboard designed for edge computing and compact data center applications. This mini-ITX form factor board features dual 25GbE networking ports for ultra-fast connectivity, supports Intel Xeon D processors for exceptional compute density, and includes 20 cores of processing power in a space-efficient design. Key benefits include reduced power consumption, integrated networking capabilities that eliminate the need for additional NICs, and robust enterprise-grade reliability. Its unique selling points are the combination of high-speed 25G networking, compact footprint ideal for space-constrained environments, and the ability to deliver server-class performance while maintaining low thermal and power requirements – making it perfect for edge deployments, network appliances, and dense virtualization workloads.

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Brand	Supermicro
Application	Server
Form Factor	Proprietary
Chipset	System on Chip
Products Status	New

Description
Additional information

Product SKUs

MBD-B3SD1-20C-25G

Physical Stats

Form Factor
Proprietary
Dimension
4.8″ x 8.8″ (12.19cm x 22.35cm)

Processor

CPU
Intel Xeon D-2796NT Processor (Icelake-D)
Single Socket FCBGA-2579 supported, CPU TDP supports Up to 120W TDP
Core
Up to 20 cores / 30MB Cache

System Memory

Memory Capacity
2 DIMM slots
Up to 256GB ECC LRDIMM, DDR4-2933MT/s
Memory Type
2933/2666/2400/2133 MT/s ECC DDR4 LRDIMM
DIMM Sizes
8GB, 16GB, 32GB, 64GB, 128GB
Memory Voltage
1.2V

On-Board Devices

Chipset
System on Chip
Graphics
1 Aspeed AST2600 BMC port(s)
Network Controllers

Input / Output

USB
1 USB 3.0 port(s) (1 Type A (For Debug Use Only))
DOM
1 SATA DOM (Disk on Module) power connector support
TPM
1 TPM Header

Expansion Slots

PCIe
1 PCIe 4.0 x4
1x 2.5″ SATA3 HDD/SSD or NVMe U.2 per node via HDD backplane
M.2
M.2 Interface: 1 PCIe 4.0 x4
Form Factor: 2280
Key: M-Key

System BIOS

BIOS Type
32MB SPI Flash EEPROM with AMI BIOS
BIOS Features
ACPI 6.3
UEFI 2.7
Plug and Play (PnP)
SMBIOS 3.3
PCI FW 3.0
RTC (Real Time Clock) Wakeup

Management

System Management Software
IPMI (Intelligent Platform Management Interface) v1.5 / 2.0 with KVM support
Power Configurations
Power-on mode for AC power recovery, ACPI Power Management, Power button override mechanism, S5 Power State

Brand	Supermicro
Application	Server
Form Factor	Proprietary
Chipset	System on Chip
Products Status	New
Socket	System on Chip
USB	1 USB 3.0 port(s) (1 Type A (For Debug Use Only))
BIOS Type	32MB SPI Flash EEPROM with AMI BIOS
Memory Capacity	2 DIMM slotsUp to 256GB ECC LRDIMM, DDR4-2933MT/s
Memory Type	2933/2666/2400/2133 MT/s ECC DDR4 LRDIMM
Memory Voltage	1.2V
DIMM Sizes	128GB, 16GB, 32GB, 64GB, 8GB
CPU	CPU TDP supports Up to 120W TDP, Intel Xeon D-2796NT Processor (Icelake-D)Single Socket FCBGA-2579 supported
Dimension	4.8" x 8.8" (12.19cm x 22.35cm)
M.2	M.2 Interface: 1 PCIe 4.0 x4Form Factor: 2280Key: M-Key
PCIe	1 PCIe 4.0 x4
TPM	1 TPM Header
BIOS Features	ACPI 6.3UEFI 2.7Plug and Play (PnP)SMBIOS 3.3PCI FW 3.0RTC (Real Time Clock) Wakeup
Cores	Up to 20 cores / 30MB Cache
Graphics	1 ASPEED AST2600 BMC port(s)

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