Supermicro SuperServer SYS-521E-EBTR

Key Features & Overview

The Supermicro SuperServer SYS-521E-EBTR is a high-performance single-socket 5U/Tower enterprise server supporting 5th and 4th Generation Intel® Xeon® Scalable Processors. Designed for enterprise edge workloads, cloud computing, database administration, corporate workstation tasks, and SMB infrastructure, it offers exceptional I/O expandability, high-efficiency redundant power, and flexible storage options.

• Processor Support: Single 5th/4th Gen Intel® Xeon® Scalable Processor (Socket LGA-4677), TDP up to 350W.

• Memory Capacity: 8x DIMM slots supporting up to 2TB ECC DDR5-5600MHz RDIMM.

• Storage Options: 8x 3.5″ hot-swap SAS/SATA drive bays, plus dual onboard M.2 NVMe slots.

• PCIe Expansion: Multiple full-height PCIe 5.0 expansion slots for add-on cards and enterprise GPUs.

• Power Redundancy: 1+1 Redundant Titanium/Platinum Level Power Supplies.

• Remote Management: Integrated IPMI 2.0 with dedicated LAN port, Redfish API, and KVM-over-IP support.

Technical Specifications

System & Architecture

Feature	Details
Model Name	SuperServer SYS-521E-EBTR
Motherboard	Super X13SEI-TF
Form Factor	5U Tower (Rackmountable via optional rail kit)
Chassis Dimensions (WxHxD)	7.0″ (178 mm) × 18.2″ (462 mm) × 25.5″ (648 mm)
Gross Weight	Approx. 58 lbs (26.3 kg)

Processor & Chipset

Component	Supported Specifications
CPU	Single Socket LGA-4677 Supports 5th Gen Intel® Xeon® & 4th Gen Intel® Xeon® Scalable Processors
CPU TDP	Supports up to 350W TDP
Chipset	Intel® C741 Chipset

System Memory

Feature	Details
Memory Capacity	Up to 2TB ECC Registered RDIMM DDR5
DIMM Slots	8x DIMM slots (8-channel memory architecture)
Memory Speed	Up to 5600 MT/s (5th Gen Xeon) / 4800 MT/s (4th Gen Xeon)
Memory Voltage	1.1V

Expansion Slots & Storage

Component	Specifications
PCIe Slots	4x PCIe 5.0 x16 slots 2x PCIe 5.0 x8 slots
Drive Bays	8x 3.5″ Hot-swap SAS/SATA drive bays (SAS controller required for SAS drives)
M.2 NVMe	2x M.2 PCIe 4.0 x4 M-Key slots (Form factors: 2280 / 22110)
RAID Support	Onboard Intel® C741 SATA RAID 0, 1, 5, 10 support

On-Board Devices & Networking

Feature	Specifications
Network Controller	Dual 10GbE RJ45 ports via Intel® X550-AT2
Management LAN	1x Dedicated 1GbE RJ45 IPMI management port
Graphics	ASPEED AST2600 BMC graphics
Serial Ports	1x COM port (rear), 1x COM header

Input / Output (I/O) Interfaces

Interface	Description & Quantity
LAN Ports	2x 10GbE RJ45 LAN ports 1x Dedicated IPMI LAN port
USB Ports	4x USB 3.2 Gen 1 ports (2 rear, 2 front) 2x USB 2.0 ports (rear)
Video Output	1x VGA port
DOM Ports	2x SuperDOM (Disk on Module) ports with built-in power

Power Supply & Cooling

Component	Specifications
Power Supply	1200W / 800W Redundant Titanium Level (96% Efficiency) Power Supplies
AC Input	100–240V AC, 50–60Hz
Cooling System	3x 80mm high-performance middle chassis fans 1x 80mm rear exhaust fan

Management & Security

Feature	Details
Software Suite	Supermicro Out-Of-Band (OOB) License, Supermicro Server Manager (SSM), Supermicro Power Manager (SPM), SuperDoctor® 5
Hardware Security	Trusted Platform Module (TPM 2.0) header, Hardware Root of Trust
Remote Access	KVM with dedicated LAN, IPMI 2.0, Redfish API, Virtual Media

Operating Environment

Parameter	Operating Range
Operating Temperature	10°C to 35°C (50°F to 95°F)
Non-operating Temperature	-40°C to 70°C (-40°F to 158°F)
Operating Relative Humidity	8% to 90% (non-condensing)