Supermicro H12DSI-N6

P/N: MBD-H12DSI-N6

990 (inc. VAT (Spain))

  • Delivery is made within 3-7 days

  • Warranty 2 year

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Supermicro

Supermicro H12DSI-N6 workstation motherboard with fast EU delivery and worldwide shipping. Best price in the European Union. Includes official warranty.

Categories: Motherboards

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Technical Specifications Product

Weight 3,2 kg
Dimensions 44 × 35 × 9 cm
Country of manufacture

China, Taiwan

Manufacturer's warranty (years)

1

Model

H12DSI-N6

Memory type

DDR4 ECC

Maximum memory capacity

4TB

Processors on a motherboard

2

Length (cm)

44

Width (cm)

35

Weight (kg)

3.2

Socket

SP3

Chipset

System on Chip

Max Supported CPU TDP (W)

280

Number of DIMM Slots

16

Number of LAN Ports

2

Integrated LAN Controller

2x 1Gb/s (Broadcom BCM5720L)

Form Factor

E-ATX

Integrated RAID Controller

ASPEED AST2600

Product description

Supermicro H12DSi-N6 – Dual-Socket E-ATX Server Board for AMD EPYC 7003 featuring Direct NVMe Connectivity

The Supermicro H12DSi-N6 is a robust enterprise platform engineered to harness the parallel processing density of dual AMD EPYC 7003 (Milan) and 7002 (Rome) processors. Designed in the expansive E-ATX form factor (12″ x 13.05″), this motherboard serves as a versatile foundation for virtualization clusters and data-intensive compute nodes. Uniquely, it bridges the gap between massive storage throughput and compute power by integrating dedicated internal NVMe ports alongside standard storage interfaces, making it ideal for hyper-converged infrastructure (HCI) deployments.

Maximize Core Density and Memory Footprint

At the heart of the system is a dual-socket SP3 architecture capable of hosting two flagship processors with Thermal Design Power (TDP) envelopes of up to 280W. This configuration unlocks up to 128 physical cores per node. To feed this immense compute potential, the board activates a 16-slot memory topology. System architects can populate these slots with up to 4TB of DDR4 ECC RDIMM or LRDIMM memory operating at 3200 MT/s, ensuring that memory-bound applications like large-scale databases or scientific simulations run without bottlenecks.

Advanced Storage Ecosystem: SATA and NVMe

The H12DSi-N6 distinguishes itself with a hybrid storage architecture designed for speed and capacity:

  • NVMe Acceleration: The board features four internal PCIe 4.0 x4 NVMe ports. These allow for the direct connection of high-performance U.2 SSDs without consuming expansion slots, perfect for caching layers or fast data ingestion.
  • System Boot: A dedicated M.2 interface (PCIe 4.0 x4) is provided for the operating system, supporting 2280 and 22110 form factors.
  • Bulk Archiving: Extensive local storage is supported via 10 SATA 6Gb/s ports (delivered through eight SlimSAS-derived lanes and two onboard SATA DOM connectors), enabling massive data retention arrays.

PCIe 4.0 Expansion and Connectivity

The I/O landscape utilizes the PCIe 4.0 standard to double the bandwidth for peripherals. The expansion layout includes three PCIe 4.0 x16 slots and three PCIe 4.0 x8 slots, offering balanced connectivity for GPUs, RAID controllers, or Fibre Channel adapters. Network traffic is managed by the reliable Broadcom BCM5720L controller, providing dual Gigabit Ethernet ports for rock-solid utility connectivity and broad OS compatibility.

Remote Management and Control

Built for “lights-out” data centers, the platform integrates the ASPEED AST2600 BMC. This silicon enables secure, out-of-band management via IPMI 2.0 and KVM-over-LAN through a dedicated RJ45 port. Administrators can monitor thermal metrics, manage power states, and update firmware remotely, significantly lowering the Total Cost of Ownership (TCO) by reducing the need for physical maintenance.

Technical Specifications Summary

  • Processing Core: Dual AMD EPYC 7003/7002 (Socket SP3) / 280W TDP
  • Memory Topology: 16 DIMM Slots, 8-Channel per CPU, DDR4 ECC (3200 MT/s)
  • Expansion Slots: 3x PCIe 4.0 x16 + 3x PCIe 4.0 x8
  • Storage I/O: 4x Internal NVMe Ports (PCIe 4.0 x4), 10x SATA 3.0, 1x M.2 Gen4
  • Networking: 2x 1GbE (Broadcom BCM5720L) + Dedicated IPMI LAN
  • Management: ASPEED AST2600 (IPMI / KVM)
  • Form Factor: E-ATX (12″ x 13.05″)

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Product Berchmark

Overview and Analysis of the Supermicro H12DSI-N6 Motherboard

The Supermicro H12DSI-N6 is a powerful dual-socket server motherboard in the E-ATX form factor, designed for AMD EPYC 7002 (Rome) and 7003 (Milan) processors based on the SP3 socket. This solution is oriented towards creating scalable computing systems where maximum core density and immense RAM capacity within a single node are required.

The board is designed for the most demanding scenarios:

  • Large-Scale Virtualization (VDI): Support for two processors (up to 128 cores in total) allows serving hundreds of virtual desktops.
  • In-Memory Databases: The ability to install up to 4 TB of RAM makes it an ideal platform for SAP HANA, Redis, and other memory-critical systems.
  • High-Performance Computing (HPC): High memory bandwidth and PCIe 4.0 support ensure fast data exchange between CPUs and accelerators.
  • Hyper-Converged Infrastructure (HCI): A balance of computing power and storage connectivity options (NVMe) for building vSAN clusters.

Comparative Table of Technical Specifications

Below is a comparison of the Supermicro H12DSI-N6 with its main competitors on the SP3 platform.

Model Form Factor Max Number of Processors Chipset Memory Type Max RAM* LAN Ports TDP (W)
Supermicro H12DSI-N6 E-ATX 2 System on Chip 16x DDR4 ECC RDIMM / LRDIMM 4TB 2x 1Gb/s 280
Supermicro H12SSL-I ATX 1 System on Chip 8x DDR4 ECC RDIMM / LRDIMM 2TB 2x 1Gb/s 280
Gigabyte MZ32-AR0 E-ATX 1 System on Chip 16x DDR4 RDIMM / LRDIMM 2TB|4TB 2x 1Gb/s 280
Gigabyte MZ72-HB2 E-ATX 2 System on Chip 16x DDR4 RDIMM / LRDIMM 2TB|4TB 2x 10Gb/s 280

*RAM — Random Access Memory.


Analysis of the Strengths of Supermicro H12DSI-N6

The Supermicro H12DSI-N6 demonstrates clear leadership in the scalable dual-processor solution segment:

  • Maximum Computational Density: The main advantage over single-processor models (H12SSL-I, MZ32-AR0) is support for two CPUs. This doubles the number of available cores (up to 128 cores per board), which is critical for highly loaded virtualization environments and HPC clusters.
  • Ultimate Memory Support: The board supports up to 4 TB of RAM (16 slots), placing it above single-socket solutions limited to 2 TB. This allows running “heavy” databases that do not fit into the memory of standard servers.
  • PCIe 4.0 Interface Optimization: Thanks to the presence of two processors, the board provides more PCIe 4.0 lanes than single-socket counterparts. This allows connecting more NVMe drives and expansion cards without using PLX switches, reducing latency.
  • Network Configuration Flexibility: Unlike the Gigabyte MZ72-HB2 with hard-wired 10GbE ports, the H12DSI-N6 model offers basic 1GbE ports. This allows integrators to independently choose the necessary network adapter (25/40/100GbE) for specific tasks without overpaying for unnecessary built-in functionality, reducing the initial platform cost.

Conclusion

The Supermicro H12DSI-N6 is the “heavy artillery” of the SP3 platform. It is designed for tasks where performance compromises are unacceptable. The board is ideally suited for building the most powerful virtualization and database nodes, offering maximum scalability in terms of processors and memory while maintaining I/O configuration flexibility.

Product FAQ

This motherboard is a dual-socket (2S) board. It features two SP3 sockets and supports the simultaneous operation of two AMD EPYC 7002 (Rome) and 7003 (Milan) series processors, enabling impressive performance and core density.

The board has 16 DIMM slots (8 per processor) and supports up to 4 TB of DDR4 ECC Registered memory (RDIMM or LRDIMM) with frequencies up to 3200 MHz. This makes it ideal for memory-intensive tasks, such as In-Memory databases.

Yes, the Supermicro H12DSI-N6 fully supports the PCIe 4.0 standard. This ensures high bandwidth for modern NVMe drives, network adapters, and GPU accelerators, doubling the speed compared to PCIe 3.0.

The board features an E-ATX form factor (12″ x 13.05″). Installation requires a server chassis that supports boards of this size, as it is wider than a standard ATX board.

The H12DSI-N6 model is equipped with two Gigabit RJ45 ports (1GbE), powered by the Intel i350-AM2 controller. If higher speeds (10/25/100GbE) are required, it is recommended to use a discrete network card in a PCIe slot.

Yes, the board can operate with a single installed processor. However, in this case, only the memory slots and PCIe lanes connected to the installed CPU will be available. To utilize the board’s full capabilities (all DIMM and PCIe slots), installing two processors is necessary.

The board features an ASPEED AST2600 BMC controller. It provides remote administration functions via a dedicated IPMI port (RJ45), including KVM-over-IP, Virtual Media, and hardware status monitoring.

The board is equipped with 10 SATA3 (6 Gbps) ports and supports M.2 NVMe drives (via adapters or add-on cards, as the on-board M.2 slot may be occupied or absent depending on the specific revision, but NVMe support is implemented via SlimSAS connectors).

Given the support for two processors with a TDP of up to 280W each, the use of a high-efficiency cooling system is mandatory. It is recommended to use server-grade heatsinks and fans certified for the SP3 platform to avoid overheating.

Payment & Shipping methods

Fast and reliable delivery across the European Union
Estimated transit time: 3–7 days from order confirmation. Worldwide shipping is available for customers outside the EU.
All orders are processed within 24 hours after confirmation. Tracking information is provided as soon as the parcel leaves our logistics center.

Multiple Secure Payment Methods
We accept: Visa, MasterCard, PayPal, Bank Transfer, Klarna, Stripe, Revolut Pay, Google Pay, Apple Pay, and USDT (TRC20) cryptocurrency payments.
All transactions are encrypted and processed via certified payment gateways for your security.

Additional Notes

  • Delivery times may vary depending on customs clearance and carrier schedules.
  • Large or custom-built items may require additional handling time.
  • Shipments are insured until delivered to the customer.
  • We do not deliver to P.O. boxes or military addresses.

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