Supermicro BigTwin SuperServer SYS-621BT-HNC8R 4-Node
Brand: Supermicro | Category: Servers
SKU: SYS-621BT-HNC8R | Part #: SYS-621BT-HNC8R | MPN: SYS-621BT-HNC8R
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About the Supermicro BigTwin SuperServer SYS-621BT-HNC8R 4-Node
The Supermicro BigTwin SuperServer SYS-621BT-HNC8R is a compact 2U, 4-node multi-socket platform engineered for high-density datacenter deployments. Each node supports dual 3rd Gen Intel Xeon Scalable processors, delivering 64 cores per node and 256 cores across the entire system in minimal rack space. The architecture combines independent node management with shared power and cooling infrastructure, enabling flexible resource allocation and simplified operations in hyperconverged and cloud environments.
Designed for storage-intensive and compute-dense workloads, the BigTwin platform supports up to 12 x 3.5" hot-swap drive bays per 2U enclosure with dedicated SAS/SATA controllers. Each node features redundant 1GbE management ports and multiple PCIe Gen4 slots for accelerator or network interface expansion, supporting modern cloud-native and AI inference architectures at scale.
The system delivers enterprise-grade reliability through redundant power supplies, comprehensive remote management via IPMI 2.0 and Supermicro's SUM tools, and support for standard operating systems including Red Hat Enterprise Linux, Ubuntu, VMware ESXi, and Microsoft Windows Server. The 4-node configuration maximizes compute and storage density while maintaining individual node independence for flexible workload placement and failure isolation.
Ideal for
- Hyperconverged infrastructure (HCI) deployments combining compute, storage, and virtualization in minimal rack units
- Private cloud and OpenStack environments requiring dense multi-tenant node configurations
- AI model inference and batch processing with GPU or accelerator support per node
- Edge datacenter and distributed computing clusters prioritizing space and power efficiency
- High-performance database clusters and in-memory analytics platforms
- VMware vSAN and software-defined storage fabric implementations
Technical specifications
| Manufacturer | Supermicro |
| Model | SYS-621BT-HNC8R |
| Product Type | Multi-Node Server |
| Form Factor | 2U, 4-Node |
| Processor per Node | 2x 3rd Gen Intel Xeon Scalable (up to 28 cores each) |
| Total Cores | Up to 224 cores (4 nodes × 2 sockets × 28 cores) |
| Memory Capacity per Node | Up to 2.048 TB (16 x 128GB RDIMM/LRDIMM) |
| Memory Technology | DDR4-3200 ECC Registered DIMM |
| Storage Bays | 12 x 3.5" hot-swap SATA/SAS (shared across 4 nodes) |
| Expansion Slots | Multiple PCIe Gen4 slots per node for accelerators/NICs |
| Management | IPMI 2.0, Supermicro SUM, Redfish support |
| Network | Dual 1GbE dedicated management ports per node |
| Power Supply | Redundant modular PSUs (2400W or 2800W options) |
| Cooling | Tool-free hot-swap fans, redundant thermal zones |
| Operating Systems | Red Hat Enterprise Linux, Ubuntu, VMware ESXi, Windows Server |
| Launch Quarter | 2024-Q1 |
| Dimensions | 2U height, standard 19" rack mount |
Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.
Technical Specifications
| Brand | Supermicro |
| Category | Servers |
| SKU | SYS-621BT-HNC8R |
| Part Number | SYS-621BT-HNC8R |
| Condition | New |
| Model | SYS-621BT-HNC8R |
| Product Type | Multi-Node Server |
| Form Factor | 2U, 4-Node |
| Processor per Node | 2x 3rd Gen Intel Xeon Scalable (up to 28 cores each) |
| Total Cores | Up to 224 cores (4 nodes × 2 sockets × 28 cores) |
| Memory Capacity per Node | Up to 2.048 TB (16 x 128GB RDIMM/LRDIMM) |
| Memory Technology | DDR4-3200 ECC Registered DIMM |
| Storage Bays | 12 x 3.5" hot-swap SATA/SAS (shared across 4 nodes) |
| Expansion Slots | Multiple PCIe Gen4 slots per node for accelerators/NICs |
| Management | IPMI 2.0, Supermicro SUM, Redfish support |
| Network | Dual 1GbE dedicated management ports per node |
| Power Supply | Redundant modular PSUs (2400W or 2800W options) |
| Cooling | Tool-free hot-swap fans, redundant thermal zones |
| Operating Systems | Red Hat Enterprise Linux, Ubuntu, VMware ESXi, Windows Server |
| Launch Quarter | 2024-Q1 |
| Dimensions | 2U height, standard 19" rack mount |
Frequently Asked Questions about Supermicro BigTwin SuperServer SYS-621BT-HNC8R 4-Node
What does the Supermicro BigTwin SuperServer SYS-621BT-HNC8R 4-Node do?
The Supermicro BigTwin SuperServer SYS-621BT-HNC8R 4-Node is built for enterprise data-center workloads — virtualization (VMware, Proxmox, Nutanix), private cloud, database hosting, and AI/ML training. It fits standard EIA-310 server racks and supports redundant PSUs and hot-swap drives common in production environments.
What are the headline specs of the Supermicro BigTwin SuperServer SYS-621BT-HNC8R 4-Node?
Key specifications for the Supermicro BigTwin SuperServer SYS-621BT-HNC8R 4-Node: new condition; manufacturer Supermicro; model SYS-621BT-HNC8R; product type Multi-Node Server; form factor 2U, 4-Node; processor per node 2x 3rd Gen Intel Xeon Scalable (up to 28 cores each); total cores Up to 224 cores (4 nodes × 2 sockets × 28 cores). Manufacturer part number SYS-621BT-HNC8R. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.