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Overview
The Supermicro SSG-121E-NES24R is a 1U all-flash storage server purpose-built for high-performance NVMe workloads, software-defined storage, in-memory databases, and NVMe-over-Fabrics applications. It features a dense NVMe layout with 24 hot-swappable E1.S drive bays, dual socket support for the latest Intel Xeon Scalable processors, and PCIe 5.0 and OCP connectivity. Its architecture balances compute, memory, and I/O to support demanding workloads in a compact rack footprint.
With support for large memory capacity, redundant power infrastructure, and advanced management capabilities, this system is ideal for data centers, high-density storage deployments, HPC, and cloud/edge integration.
Key Features
- Dual socket support with Intel® Xeon® Scalable processors (4th / 5th Gen) supporting up to 270W TDP per CPU
- Memory support for up to 32 DIMMs, enabling large in-system memory capacity (up to 8 TB)
- 24 front hot-swappable NVMe drive bays (E1.S form factor, 9.5 mm or 15 mm)
- Two PCIe 5.0 x16 full-height/full-length expansion slots plus two AIOM / OCP 3.0 connectors
- Dual redundant Titanium-level 2,000W power supplies for high efficiency and fault tolerance
- Advanced security and firmware protections: TPM 2.0, secure boot, firmware signing, supply chain attestation, system lockdown
- Integrated system management: Supermicro Server Manager, SuperDoctor®, BIOS / firmware update tools, health monitoring
- Compact 1U rack form factor, optimized for dense deployment
- High cooling and thermal design with multiple heavy duty fans and airflow management
Specifications
Specification
Detail
Processor / CPU
Dual Socket E (LGA-4677), supports 4th / 5th Gen Intel® Xeon® Scalable CPUs; 145W–270W TDP range
Memory / DIMMs
32 DIMM slots (2 DIMMs per channel), up to 8 TB DDR5 ECC RDIMM/LRDIMM
Drive Bays / Storage
24 hot-swappable NVMe drive bays (E1.S, 9.5 mm or 15 mm)
Expansion / I/O Slots
2 × PCIe 5.0 ×16 full-height slots, 2 × AIOM (OCP 3.0 compatible) connectors
On-board / Additional Storage
2 × M.2 slots (M-key, 2280 / 22110) for NVMe or SATA boot drives
Network / Connectivity
Network connectivity via AIOM / OCP modules (user-selectable), plus management LAN port (BMC)
Power / Redundancy
Dual 2,000W Titanium-level redundant hot-plug power supplies
Chassis / Form Factor
1U rackmount, model CSE-126ES2-R2K08P chassis
Dimensions (W × H × D)
≈ 438.4 mm × 43.6 mm × 773.25 mm (17.2" × 1.7" × 30.4")
Weight
Net: ~ 21.8 kg (48 lbs) ; Gross: ~ 31.2 kg (68.74 lbs)
Cooling / Fans
Up to 8 heavy-duty 40 mm fans, PWM control, airflow shrouds
Operating Environment
Temperature: 10 °C to 35 °C; Non-operating: –40 °C to 60 °C; Humidity (non-condensing) 8%–90% operating
Security / Firmware Protections
TPM 2.0, secure boot, firmware authentication, system lock-down, BMC protections
Management / Monitoring
IPMI 2.0, remote KVM/virtual media, firmware update tools, health metrics, diagnostics
Use Cases
NVMe storage servers, software-defined storage, NVMe-over-Fabrics, caching layers, database, AI / analytics
Warranty & Service
Standard warranty (e.g. 1 year); optional extended support and service contract options
