Name: Supermicro CloudDC SuperServer SYS-121C-TN - SunSpike
SKU: SYS-121C-TN

Supermicro CloudDC SuperServer SYS-121C-TN Product Specifications

The Supermicro CloudDC SuperServer SYS-121C-TN is a high-density 1U dual-socket rackmount server designed for cloud computing, virtualization, web hosting, and enterprise IT infrastructure. Built on the Supermicro X13 architecture, it supports dual 5th and 4th Gen Intel® Xeon® Scalable Processors, DDR5 memory, PCIe 5.0, and flexible AIOM (OCP 3.0) networking.

System Architecture & Specifications

1. Processor & Chipset

Feature	Specification
System Model	SYS-121C-TN
Form Factor	1U Rackmount
Motherboard	Super X13DEM
CPU Socket	Dual Socket LGA 4677
CPU Support	• 5th Gen Intel® Xeon® Scalable Processors • 4th Gen Intel® Xeon® Scalable Processors
Thermal Design Power (TDP)	Supports up to 350W TDP per socket
Core Count	Up to 64 cores / 128 threads per processor

2. Memory & System Storage

Feature	Specification
Memory Capacity	16 DIMM slots (8 DIMMs per CPU)
Memory Type	DDR5 ECC Registered RDIMM / 3DS RDIMM
Max Memory Speed	Up to 5600 MT/s (5th Gen) / 4800 MT/s (4th Gen)
Hot-Swap Drive Bays	10 x 2.5″ Hot-swap NVMe / SATA3 / SAS3 hybrid drive bays
M.2 Expansion	2 x PCIe 5.0 x4 M.2 NVMe slots (M-Key, Form Factor 2280/22100)
RAID Controller	Intel® VROC NVMe/SATA RAID support

3. Expansion Slots & Connectivity

Feature	Specification
PCIe Slots	• 2 x PCIe 5.0 x16 FHHL (Full-Height Half-Length) slots • 2 x PCIe 5.0 x16 AIOM (Advanced I/O Module / OCP 3.0) slots
Network Interface	Flexible networking via AIOM cards (1GbE / 10GbE / 25GbE / 100GbE options)
Dedicated Management Port	1 x Dedicated RJ45 Gigabit Ethernet port for IPMI 2.0
I/O Interfaces	• 2 x Rear USB 3.0 ports • 1 x VGA video output • 1 x Serial COM port (rear)

4. Power Supply, Thermal & Management

Feature	Specification
Power Supplies	Dual 860W / 1200W Redundant Power Supplies (80 Plus Titanium / Platinum Level)
Cooling System	6 x 40mm heavy-duty counter-rotating PWM cooling fans
BMC Controller	ASPEED AST2600 BMC
Management Tools	IPMI 2.0, KVM over IP, Redfish API, Supermicro Server Manager (SSM), SPM, SUM
Security Features	Trusted Platform Module (TPM 2.0 header), Hardware Root of Trust, Signed Firmware

5. Physical Dimensions & Environmental

Feature	Specification
Dimensions (H x W x D)	1.7″ (43 mm) x 17.2″ (437 mm) x 28.2″ (716 mm)
Gross Weight	~42 lbs (19.05 kg)
Operating Temperature	10°C to 35°C (50°F to 95°F)
Non-Operating Temperature	-40°C to 60°C (-40°F to 140°F)