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Home Networking Servers & Storage Supermicro BigTwin 2U 2-Node Intel Xeon Server

Supermicro BigTwin 2U 2-Node Intel Xeon Server

Supermicro BigTwin 2U 2-Node Intel Xeon Server

Brand:

Supermicro

High-density 2U 2-node BigTwin server platform for Intel Xeon Scalable compute, NVMe/SATA storage, HPC, AI, analytics, and scale-out infrastructure.

OVERVIEW

Supermicro SYS-221BT-DNTR is a 2U 2-node BigTwin server platform built for compute-intensive, storage-rich enterprise workloads where rack efficiency matters. Each node supports dual 5th/4th Gen Intel Xeon Scalable processors, up to 4TB DDR5 ECC RDIMM, 12 hot-swap NVMe/SATA bays, and PCIe 5.0 expansion. Its 2-node 2U design provides higher node density than conventional single-node rack configurations, while the 12-drive-per-node architecture offers substantially more local storage flexibility than the 6-bay BigTwin HN series. Redundant 2200W Titanium-level power, AIOM networking, liquid-cooling support, and broad OS compatibility make it a practical platform for HPC, AI, analytics, virtualization, and infrastructure modernization.

USE CASES

High-performance computing clusters requiring dense dual-socket compute nodes
Diskless HPC environments using external or centralized storage
Scale-out all-flash NVMe storage infrastructure
Big data analytics platforms handling compute-intensive datasets
AI and machine-learning infrastructure requiring high-memory server nodes
Virtualization and private-cloud environments requiring efficient rack utilization
High-performance file systems with demanding local storage requirements
Enterprise database and analytics platforms using NVMe/SATA storage tiers
Research, engineering, financial, and scientific computing environments
Infrastructure refresh projects replacing legacy rack servers with dense multi-node platforms

KEY FEATURES

2U chassis integrates two hot-pluggable server nodes for rack-density optimization
Dual Socket E LGA-4677 processor architecture per node
Supports 5th and 4th Gen Intel Xeon Scalable processors
Supports Intel Xeon CPU Max Series with high-bandwidth memory
Up to 4TB ECC DDR5 RDIMM memory per node
16 DIMM slots per node support memory expansion for demanding workloads
12 hot-swap 2.5-inch NVMe/SATA drive bays per node
Storage mix includes 2 PCIe 5.0 and 10 PCIe 4.0 NVMe/SATA bays per node
Two M.2 PCIe 4.0 x4 NVMe slots per node support internal boot or storage configurations
PCIe 5.0 expansion provides one x16 LP and two x8 LP slots per node
AIOM networking uses an OCP 3.0-compliant network expansion architecture
Optional direct-to-chip liquid cooling supports demanding processor configurations
Shared cooling design uses up to four 16.5K RPM heavy-duty fans per 2U enclosure
Redundant 2200W Titanium-level power supplies provide 1+1 power redundancy
TPM 2.0, Secure Boot, signed firmware, secure updates, runtime BMC protection, and system lockdown support enterprise security requirements

TECHNICAL SPECIFICATIONS

Brand: Supermicro
Part Number: SYS-221BT-DNTR
Product Family: BigTwin
Form Factor: 2U rackmount
Node Configuration: 2 nodes
Motherboard: Super X13DET-B
Processor Socket: Dual Socket E (LGA-4677) per node
Processor Support: 5th Gen Intel Xeon / 4th Gen Intel Xeon Scalable processors
CPU Support: Intel Xeon CPU Max Series with high-bandwidth memory
Maximum CPU Capability: Up to 64 cores / 128 threads and up to 320MB cache per CPU
Maximum CPU TDP: Up to 350W, subject to specified cooling conditions
Memory Slots: 16 DIMM slots per node
Maximum Memory: Up to 4TB ECC DDR5 RDIMM per node
Memory Speed: Up to 5600MT/s
Drive Bays: 12 hot-swap 2.5-inch NVMe/SATA bays per node
Drive Configuration: 2 PCIe 5.0 NVMe/SATA + 10 PCIe 4.0 NVMe/SATA bays per node
M.2 Storage: 2 M.2 PCIe 4.0 x4 NVMe slots per node
Expansion Slots: 1 PCIe 5.0 x16 LP + 2 PCIe 5.0 x8 LP per node
Network Expansion: AIOM, OCP 3.0 compliant
Management LAN: 1 RJ45 1GbE dedicated BMC LAN port per node
USB: 2 USB 3.0 Gen2 Type-A ports per node
Video: 1 VGA port per node
GPU Support: Up to 1 double-width or 1 single-width GPU per node
Cooling: Up to 4 x 16.5K RPM heavy-duty 8cm fans per 2U enclosure
Liquid Cooling: Direct-to-chip cold plate support
Power Supply: 2 x 2200W redundant 1+1 Titanium-level power supplies
Power Efficiency: 96%+
Security: TPM 2.0, Secure Boot, cryptographically signed firmware, secure firmware updates, automatic firmware recovery, remote attestation, runtime BMC protections, system lockdown
Operating Systems: ESXi 7.0 U3, ESXi 8.0, Hypervisor 8.2.1, Oracle Linux 9.0, RHEL 8.8, RHEL 9.0, SLES 15 SP4, SLES 15 SP5, Windows Server 2022, Windows Server 2025
Chassis: CSE-217BD2-R2K22P
Dimensions: 449 x 88 x 730 mm
Operating Temperature: 10°C to 35°C
Operating Relative Humidity: 8% to 80%, non-condensing

Why Choose This Product?

Organizations choose the SYS-221BT-DNTR when they need two enterprise compute nodes in a compact 2U footprint without sacrificing processor, memory, storage, or expansion flexibility. Its 12 hot-swap NVMe/SATA bays per node distinguish it from lower-density BigTwin configurations, while PCIe 5.0 expansion, up to 4TB DDR5 memory per node, AIOM networking, and dual-socket Xeon support provide room for workload growth. Redundant Titanium-level power and shared cooling help simplify dense data-center deployment, while enterprise security controls and broad certified operating-system support improve platform standardization. For procurement teams, it is particularly well suited to HPC refreshes, AI and analytics infrastructure, virtualization, scale-out storage, and high-density server consolidation where rack space, expansion capability, and lifecycle flexibility directly affect infrastructure ROI.

CUSTOMER REVIEW

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