Name: Supermicro SuperServer SYS-621E-LTR - SunSpike
SKU: SYS-621E-LTR

Product Overview: Supermicro SuperServer SYS-621E-LTR

The Supermicro SYS-621E-LTR is a high-density, dual-socket 2U rackmount enterprise server engineered for mainstream data center workloads, enterprise virtualization, cloud computing, storage expansion, and database management. Powered by 4th and 5th Generation Intel® Xeon® Scalable processors, it offers high memory bandwidth via DDR5, PCIe 5.0 expansion capabilities, and versatile hot-swap storage options.

Key Features & Highlights

Processor Support: Dual Socket E (LGA-4677) supporting 4th and 5th Gen Intel® Xeon® Scalable Processors with TDP up to 350W per socket.
Memory Architecture: 16x DDR5 DIMM slots supporting up to 4TB ECC Registered RDIMM modules with speeds up to 5600MHz.
High-Speed I/O: Next-generation PCIe 5.0 slots delivering double the I/O throughput compared to PCIe 4.0.
Flexible Storage: 12x 3.5″ hot-swap drive bays supporting SAS/SATA/NVMe configurations, plus onboard M.2 NVMe slots for OS boot drives.
Network Versatility: Advanced I/O Module (AIOM) / OCP 3.0 networking slot allowing tailored networking configurations (1GbE, 10GbE, 25GbE, 100GbE).
Power & Thermal: High-efficiency Redundant Titanium/Platinum level power supplies with optimized cooling subsystem.

Detailed Technical Specifications

Feature / Category	Technical Specification
System Model	Supermicro SuperServer SYS-621E-LTR
Form Factor	2U Rackmount
Motherboard	Supermicro X13DEI-T / Dual Socket Motherboard
Processor (CPU)	Dual Socket E (LGA 4677) • Supports 4th & 5th Gen Intel® Xeon® Scalable Processors • Supports up to 350W TDP per CPU (Air Cooled)
Chipset	Intel® C741 Chipset
System Memory	16x DIMM Slots (8 Channel per CPU) • Memory Type: DDR5 4800MHz / 5600MHz ECC RDIMM • Maximum Capacity: Up to 4TB ECC RDIMM
Drive Bays	Front: 12x 3.5″ Hot-swap SAS/SATA/NVMe Drive Bays Internal / Boot: 2x PCIe 4.0 x4 M.2 NVMe (2280/22110) slots onboard
SAS/SATA Controller	Onboard Intel® C741 SATA3 (6Gbps); RAID 0, 1, 5, 10 support. (Broadcom 12Gb/s SAS HW/SW RAID controller options via Add-on Cards)
Expansion Slots	PCIe 5.0 Flexibility: • 4x PCIe 5.0 x16 Full-Height, Full-Length (FHFL) slots • 2x PCIe 5.0 x8 Full-Height, Half-Length (FHHL) slots • 1x PCIe 5.0 x8 AIOM / OCP 3.0 Mezzanine slot
Network Interface	Dual 10GbE RJ45 ports (Intel® X550) or flexible AIOM / OCP 3.0 mezzanine options
Management & Remote Control	• IPMI 2.0 with dedicated LAN port • KVM over IP / Virtual Media • Supermicro Out-of-Band (OOB) / Redfish / SPM / SUM
Power Supply	Redundant 1200W / 1600W Titanium Level (96% Efficiency) Power Supplies
Cooling System	4x High-performance 8cm PWM middle cooling fans with smart fan speed control
Dimensions (W × H × D)	17.2 in (437 mm) × 3.5 in (88.9 mm) × 25.5 in (648 mm)
System Weight	Net Weight: ~36 lbs (16.3 kg) / Gross Weight: ~58 lbs (26.3 kg)

Operating System & Virtualization Support

Microsoft Windows Server: Windows Server 2019, Windows Server 2022
Linux Distributions: Red Hat Enterprise Linux (RHEL) 8 / 9, SUSE Linux Enterprise Server (SLES) 15, Ubuntu Server 20.04 / 22.04 LTS
Hypervisors / Cloud: VMware ESXi 7.0 / 8.0, Proxmox VE, Citrix Hypervisor, Microsoft Hyper-V