Supermicro DC 2U SYS-621C-TN12R 4th/5th Gen Intel Xeon (350W) 2x Socket E (LGA-4677) 16x DDR5 12x 3.5 '' NMVe Gen5/SATA/SAS-4 2xM.2(Gen5 x4) 1x1G 1xIPMI 2xAIOM 1200W (1+1) 4xGPU Platform

Product SKUs
SuperServer SYS-621C-TN12R
Motherboard
Super X13DDW-A
Processor
CPU
Dual Socket E (LGA-4677)
5th Gen Intel® Xeon® / 4th Gen Intel® Xeon® Scalable processors
Core Count
Up to 64C/128T; Up to 112.5MB Cache per CPU
Note
Supports up to 350W TDP CPUs (Air Cooled)*
*Air Cooled CPUs with TDP over 270W only supported under specific conditions. Contact a Supermicro representative for details.
GPU
Max GPU Count
Up to 2 double-width or 6 single-width GPU(s)
Supported GPU
NVIDIA PCIe: H100, L40, RTX A6000, L40S
Intel PCIe: Intel Data Center GPU Flex 140
View GPU Options
System Memory
Memory
Slot Count: 16 DIMM slots
Max Memory (1DPC): Up to 4TB 5600MT/s ECC DDR5 RDIMM
View Memory Options
Memory Voltage
1.1V
On-Board Devices
SATA
SATA (6Gbps) ; RAID 0/1/5/10 support
NVMe
NVMe; RAID 0/1/5/10 support(VROC HW key required)
View NVMe Options
Chipset
Intel® C741
Network Connectivity
Via Slim-AIOM
View AIOM Options
View AOC Options
IPMI
Support for Intelligent Platform Management Interface v.2.0
IPMI 2.0 with virtual media over LAN and KVM-over-LAN support
Input / Output
LAN
1 RJ45 1 GbE Dedicated IPMI LAN port(s)
USB
2 USB 3.0 port(s) (rear)
Video
1 VGA port(s)
Serial
1 COM port(s) (Rear)
TPM
1 TPM header
System BIOS
BIOS Type
AMI 32MB SPI FLASH ROM
Management
Software
SuperCloud Composer
Supermicro Server Manager (SSM)
Supermicro Update Manager (SUM)
SuperDoctor® 5
Super Diagnostics Offline 
TAS: Supermicro Thin-Agent Service (TAS)
SAA(new!)
IPMICFG
SMCIPMITool
IPMIView
Power configurations
ACPI/APM Power Management
Security
Hardware
Trusted Platform Module (TPM) 2.0
Silicon Root of Trust (RoT) – NIST 800-193 Compliant
Features
Cryptographically Signed Firmware
Secure Boot
Secure Firmware Updates
Automatic Firmware Recovery
Supply Chain Security: Remote Attestation
Runtime BMC Protections
System Lockdown
PC Health Monitoring
FAN
Fans with tachometer monitoring
Status monitor for speed control
Pulse Width Modulated (PWM) fan connectors
Temperature
Monitoring for CPU and chassis environment
Thermal Control for fan connectors
CPU
Monitors for CPU Cores, Chipset Voltages, Memory.
8 Phase-switching voltage regulator

Chassis
Form Factor
2U Rackmount
Model
CSE-LA26TS-R1K23AWP1
chassisWeight
Net Weight: 33 lbs (15 kg)
Gross Weight: 59 lbs (26.76 kg)
Dimensions and Weight
Height
3.5" (89 mm)
Width
17.2" (437 mm)
Depth
25.5" (648 mm)
Package
11.4" (H) x 26.7" (W) x 34.5" (D)
Weight
Gross Weight: 59 lbs (26.76 kg)
Net Weight: 33 lbs (15 kg)
Available Color
Black front & sliver body
Front Panel
LED
Drive activity
Network activity
Power status
Universal Information (UID)
Buttons
Power On/Off
Universal Information (UID)
Expansion Slots
PCI-Express (PCIe) Configuration
Default
4 PCIe 5.0 x8 (in x16) FHFL double-width slot(s)
2 PCIe 5.0 x16 FHHL slot(s)
2 PCIe 5.0 x16 AIOM slot(s) (OCP 3.0 compatible)
Option A
2 PCIe 5.0 x16 FHFL double-width slot(s)
2 PCIe 5.0 x16 FHHL slot(s)
2 PCIe 5.0 x16 AIOM slot(s) (OCP 3.0 compatible)
Option B
4 PCIe 5.0 x16 FHFL double-width slot(s)
2 PCIe 5.0 x16 FHHL slot(s)
2 PCIe 5.0 x16 AIOM slot(s) (OCP 3.0 compatible)
View AOC Options
CXL Support
Up to 2 CXL 2.0 x16 Type 2 devices
Drive Bays / Storage
Drive Bays Configuration
Default: Total 12 bay(s)12 front hot-swap 3.5" NVMe*/SAS*/SATA* drive bay(s)
Option A: Total 12 bay(s)12 front hot-swap 2.5" NVMe*/SAS*/SATA* drive bay(s)
(*NVMe/SAS/SATA support may require additional storage controller and/or cables, please see the optional parts list for details)
View Drive Options
M.2
2 M.2 PCIe 5.0 x4 NVMe slot(s) (M-key 2280(default); VROC required for RAID)
View M.2 Options
System Cooling
Fans
3x 8cm heavy duty fans with optimal fan speed control
Air Shroud
1 Air Shroud(s)
Power Supply
2x 1200W Redundant Titanium Level Hot-plug power supplies
Dimension (WxHxL)
76 x 40 x 336 mm
+12V
Max: 83A / Min: 0A (100Vac-127Vac)
Max: 100A / Min: 0A (200Vdc-240Vdc)
Max: 100A / Min: 0A (200Vac-240Vac)
5V SB
Max: 4A / Min: 0A
AC Input
1000W: 100-127Vac / 50-60Hz
1200W: 200-240Vac / 50-60Hz
1200W: 200-240Vdc / 50-60Hz (for CCC only)
Output Type
Backplanes (gold finger)
Operating Environment
ROHS
RoHS Compliant
Environmental Spec.
Operating Temperature: 10°C ~ 35°C (50°F ~ 95°F)
Non-operating Temperature: -40°C to 60°C (-40°F to 140°F)
Operating Relative Humidity: 8% to 90% (Non-Condensing)
Non-operating Relative Humidity: 5% to 95% (Non-Condensing)