Supermicro X11DPT-B Dual Socket LGA 3647 Server Motherboard

MBD-X11DPT-B | Supports 1st & 2nd Gen Intel Xeon Scalable Processors | BigTwin Node Board

The Supermicro X11DPT-B (MBD-X11DPT-B) is a high-density enterprise server motherboard engineered for Supermicro BigTwin multi-node platforms. Designed around the Intel C621 chipset, this dual-socket motherboard supports both 1st Generation Intel Xeon Scalable (Skylake-SP) and 2nd Generation Intel Xeon Scalable (Cascade Lake-SP) processors, delivering exceptional compute performance, memory capacity, and flexible networking for cloud, virtualization, HPC, AI, and enterprise data center deployments.

Important: BIOS version 3.0a or later is required for support of 2nd Generation Intel Xeon Scalable (Cascade Lake) processors.

Key Features

• Dual Intel Xeon Scalable Processor support
• Supports 1st Gen Skylake-SP and 2nd Gen Cascade Lake-SP CPUs
• Up to 28 cores per processor
• Up to 205W CPU TDP support
• Intel C621 chipset
• 24 DDR4 ECC DIMM slots
• Up to 6TB DDR4 memory capacity
• Supports Intel Optane DC Persistent Memory
• ASPEED AST2500 BMC
• IPMI 2.0 remote management
• 8 SATA III 6Gb/s ports with RAID support
• Flexible SIOM networking expansion
• PCIe 3.0 expansion architecture
• Designed for Supermicro BigTwin multi-node systems

Processor Support

The X11DPT-B features dual Socket P (LGA 3647) processor sockets and delivers support for high-performance Intel Xeon Scalable CPUs.

Supported Processors

• Intel Xeon Scalable Processors (Skylake-SP)
• Intel Xeon Scalable 2nd Generation Processors (Cascade Lake-SP)
• Up to 28 CPU cores per processor
• Dual UPI architecture up to 10.4 GT/s
• Supports processors up to 205W TDP

Memory Specifications

Built for memory-intensive workloads, the X11DPT-B provides massive memory scalability.

Memory Support

• 24 DDR4 DIMM slots
• DDR4-2933 / 2666 / 2400 / 2133 MHz
• ECC RDIMM
• ECC LRDIMM
• 3DS RDIMM
• 3DS LRDIMM
• 1.2V operating voltage

Maximum Capacity

• Up to 6TB DDR4 ECC Memory
• Supports Intel Optane DC Persistent Memory
• Up to 9TB total memory capacity when combining standard memory and Optane Persistent Memory modules
• Hybrid memory configurations available with Cascade Lake processors

Chipset & Onboard Devices

Intel C621 Platform Controller Hub

Provides enterprise-grade storage, management, and I/O functionality.

Integrated Features

• Intel C621 Chipset
• ASPEED AST2500 BMC
• IPMI 2.0 Support
• KVM over LAN
• Virtual Media over LAN
• Remote Management Capabilities
• Watchdog Monitoring
• Hardware Health Monitoring

Storage Connectivity

SATA Support

• 8 x SATA III 6Gb/s ports
• RAID 0
• RAID 1
• RAID 5
• RAID 10
• 1 x SATADOM Power Connector

Networking

The motherboard utilizes Supermicro's flexible SIOM (Super I/O Module) architecture, allowing customers to install networking modules based on deployment requirements.

SIOM Network Options

• 1GbE
• 10GbE
• 25GbE
• InfiniBand
• Additional SIOM networking solutions depending on installed module

Expansion Slots

PCIe Expansion

• 1 x PCIe 3.0 x16 Left Riser Slot
• 1 x PCIe 3.0 x16 Right Riser Slot
• 1 x PCIe 3.0 x24 Proprietary Storage Add-On Slot
• 1 x PCIe 3.0 x16 SIOM Networking Slot
• 1 x PCIe 3.0 x8 Proprietary M.2 Expansion Slot

Rear I/O

External Connectivity

• 1 x VGA Port
• 2 x USB 3.0 Ports
• Dedicated management interface through BMC/IPMI functions

Management Features

Enterprise remote management is provided through the ASPEED AST2500 controller.

Included Management Functions

• IPMI 2.0
• KVM-over-LAN
• Virtual Media over LAN
• Remote Power Control
• Hardware Health Monitoring
• System Event Logging
• Remote BIOS Management

Physical Specifications

Form Factor

• Proprietary Twin Board
• Designed specifically for Supermicro BigTwin systems

Dimensions

• 7.62 in x 18.86 in
• 19.35 cm x 47.90 cm

Compatible Supermicro Systems

The X11DPT-B is a proprietary BigTwin motherboard and is designed for installation in Supermicro BigTwin server platforms.

Supported BigTwin Platforms

• SYS-2029BT-HTR
• SYS-2029BT-HNR
• SYS-2029BT-HNTR
• SYS-2029BT-HNC0R
• SYS-2029BT-HNC1R
• SYS-2029BT-DNC0R
• SYS-6029BT-HNC0R
• SYS-6029BT-DNC0R

Important Compatibility Notice

This motherboard does NOT fit standard ATX, E-ATX, SSI-EEB, or conventional rackmount server chassis.

The X11DPT-B is a proprietary Supermicro BigTwin node motherboard designed for dedicated BigTwin chassis and node sled environments. Proper operation requires compatible BigTwin infrastructure, including node trays, power distribution, cooling, risers, and chassis components.

Technical Specifications

Manufacturer: Supermicro
Model: X11DPT-B
Part Number: MBD-X11DPT-B
Socket Type: Dual Socket P (LGA 3647)
Chipset: Intel C621
Supported CPUs: Intel Xeon Scalable & 2nd Gen Intel Xeon Scalable
Maximum CPU TDP: 205W
Memory Slots: 24 DIMM
Maximum Memory: Up to 6TB DDR4 ECC / Up to 9TB with Optane Persistent Memory
Storage: 8 x SATA III 6Gb/s
Graphics: ASPEED AST2500 BMC
Management: IPMI 2.0 / KVM-over-LAN
USB: 2 x USB 3.0
Video Output: VGA
Form Factor: Proprietary Twin Board
Dimensions: 7.62" x 18.86"

Ideal For

• Cloud Computing
• Virtualization
• Hyper-Converged Infrastructure
• Enterprise Data Centers
• High Performance Computing (HPC)
• Artificial Intelligence Workloads
• Big Data Analytics
• Software-Defined Storage Environments
• Private & Hybrid Cloud Deployments
• Mission-Critical Enterprise Applications