Supermicro SYS-621C-TN12R 2U CloudDC Server
2U DP CloudDC with 12 hot-swap 3.5″ NVMe/SAS/SATA bays and 4 PCIe 5.0 x16 slots + 2 PCIe 5.0 x16 AIOM slots
Description
Product overview
2U DP CloudDC with 12 hot-swap 3.5" NVMe/SAS/SATA bays and 4 PCIe 5.0 x16 slots + 2 PCIe 5.0 x16 AIOM slots
Key capabilities
- Form Factor: 2U Rackmount Enclosure: 437 x 89 x 648mm (17.2" x 3.5" x 25.5") Package: 679 x 296 x 876mm (26.7" x 11.4" x 34.5")
- Processor: Dual Socket E (LGA-4677) 5th Gen Intel® Xeon®4th Gen Intel® Xeon® Scalable processors Up to 64C/128T; Up to 112.5MB Cache per CPU GPU Max GPU Count: Up to 2 double-width or 6 single-width GPUs Supported GPU: NVIDIA PCIe: H100, H100 NVL, A2, L4, L40, L40S, RTX A4000, RTX A4500, RTX A5000, RTX A6000 Intel PCIe: Intel Data Center GPU Flex 140, Intel Data Center GPU Flex 170
- System Memory: Slot Count: 16 DIMM slots Max Memory (1DPC): Up to 4TB 5600MT/s ECC DDR5 RDIMM
- Drive Bays Configuration: Default: Total 12 bays 12 front hot-swap 3.5" NVMe*/SAS*/SATA* drive bays Option A: Total 12 bays 12 front hot-swap 2.5" NVMe*/SAS*/SATA* drive bays (*NVMe/SAS/SATA support may require additional storage controller and/or cables, please see the optional parts list for details) M.2: 2 M.2 PCIe 5.0 x4 NVMe slots (M-key 2280(default); VROC required for RAID)
- Expansion Slots: PCI-Express (PCIe) Configuration: Default 4 PCIe 5.0 x8 (in x16) FHFL slots 2 PCIe 5.0 x16 (in x16) FHHL slots 2 PCIe 5.0 x16 (in x16) AIOM slots (OCP 3.0 compatible) Option A 2 PCIe 5.0 x16 (in x16) FHFL slots 2 PCIe 5.0 x16 (in x16) FHHL slots 2 PCIe 5.0 x16 (in x16) AIOM slots (OCP 3.0 compatible) Option B 4 PCIe 5.0 x16 (in x16) FHFL slots 2 PCIe 5.0 x16 (in x16) FHHL slots 2 PCIe 5.0 x16 (in x16) AIOM slots (OCP 3.0 compatible) Option C 2 PCIe 5.0 x16 (in x16) FHFL double-width slots 2 PCIe 5.0 x16 (in x16) FHHL slots 2 PCIe 5.0 x16 (in x16) AIOM slots (OCP 3.0 compatible) DATASHEET More details here CXL Support: Up to 2 CXL 1.1 x16/x8 Type 2/Type 3 devices
Technical specifications
| Form Factor | 2U Rackmount Enclosure: 437 x 89 x 648mm (17.2" x 3.5" x 25.5") Package: 679 x 296 x 876mm (26.7" x 11.4" x 34.5") |
|---|---|
| Processor | Dual Socket E (LGA-4677) 5th Gen Intel® Xeon®4th Gen Intel® Xeon® Scalable processors Up to 64C/128T; Up to 112.5MB Cache per CPU GPU Max GPU Count: Up to 2 double-width or 6 single-width GPUs Supported GPU: NVIDIA PCIe: H100, H100 NVL, A2, L4, L40, L40S, RTX A4000, RTX A4500, RTX A5000, RTX A6000 Intel PCIe: Intel Data Center GPU Flex 140, Intel Data Center GPU Flex 170 |
| System Memory | Slot Count: 16 DIMM slots Max Memory (1DPC): Up to 4TB 5600MT/s ECC DDR5 RDIMM |
| Drive Bays Configuration | Default: Total 12 bays 12 front hot-swap 3.5" NVMe*/SAS*/SATA* drive bays Option A: Total 12 bays 12 front hot-swap 2.5" NVMe*/SAS*/SATA* drive bays (*NVMe/SAS/SATA support may require additional storage controller and/or cables, please see the optional parts list for details) M.2: 2 M.2 PCIe 5.0 x4 NVMe slots (M-key 2280(default); VROC required for RAID) |
| Expansion Slots | PCI-Express (PCIe) Configuration: Default 4 PCIe 5.0 x8 (in x16) FHFL slots 2 PCIe 5.0 x16 (in x16) FHHL slots 2 PCIe 5.0 x16 (in x16) AIOM slots (OCP 3.0 compatible) Option A 2 PCIe 5.0 x16 (in x16) FHFL slots 2 PCIe 5.0 x16 (in x16) FHHL slots 2 PCIe 5.0 x16 (in x16) AIOM slots (OCP 3.0 compatible) Option B 4 PCIe 5.0 x16 (in x16) FHFL slots 2 PCIe 5.0 x16 (in x16) FHHL slots 2 PCIe 5.0 x16 (in x16) AIOM slots (OCP 3.0 compatible) Option C 2 PCIe 5.0 x16 (in x16) FHFL double-width slots 2 PCIe 5.0 x16 (in x16) FHHL slots 2 PCIe 5.0 x16 (in x16) AIOM slots (OCP 3.0 compatible) DATASHEET More details here CXL Support: Up to 2 CXL 1.1 x16/x8 Type 2/Type 3 devices |
| On-Board Devices | SATA: SATA (6Gbps); RAID 0/1/5/10 support NVMe: NVMe; RAID 0/1/5/10 support(VROC HW key required) Network Connectivity: Via AIOM |
| Input / Output | LAN: 1 RJ45 1 GbE Dedicated BMC LAN port USB: 2 USB 3.2 Gen1 Type-A ports (rear) Video: 1 VGA port Serial: 1 COM port (rear) TPM: 1 TPM header ©2026 Copyright Super Micro Computer, Inc. All rights reserved. |
| System Cooling | Fans: Up to 3x 8cm heavy duty fans with optimal fan speed control Air Shroud: 1 Air Shroud |
| Power Supply | 2x 1200W Redundant Titanium Level (96%) Hot-plug power supplies |
| System BIOS | BIOS Type: AMI 32MB SPI FLASH ROM |
| Management | SuperCloud Composer® (SCC); Supermicro Server Manager (SSM); Supermicro Update Manager (SUM); Supermicro SuperDoctor® 5 (SD5); Super Diagnostics Offline (SDO); Supermicro Thin-Agent Service (TAS); SuperServer Automation Assistant (SAA) New! PC Health Monitoring CPU: 8 Phase-switching voltage regulator Monitors for CPU Cores, Chipset Voltages, Memory. Fan: Fans with tachometer monitoring Pulse Width Modulated (PWM) fan connectors Status monitor for speed control Temperature: Monitoring for CPU and chassis environment Thermal Control for fan connectors |
| Dimensions and Weight | Weight: Gross Weight: 59 lbs (26.76 kg) Net Weight: 33 lbs (15 kg) Available Color: Black front & sliver body |
| Operating Environment | RoHS Compliant Name: A2 Operating Temperature: 10°C to 35°C (50°F to 95°F) Non-operating Temperature: -30°C to 60°C (-40°F to 140°F) Operating Relative Humidity: 8% to 80% (max 21° DP; non-condensing) Non-operating Relative Humidity: 8% to 90% (max 38° DP; non-condensing) |
| Motherboard | Super X13DDW-A |
| Chassis | CSE-LA26TS-R1K23AWP1 |
Configuration note
Processor, memory, storage, networking, accelerator, power, cooling and regional order codes may vary by configuration. GPULoom confirms the exact bill of materials and compatibility for each inquiry.
