Name: Supermicro SuperServer SYS-2028U-E1CNR4+ / SYS-2028U-E1CNR4T+ - SunSpike
SKU: SYS-2028U-E1CNR4+

The Supermicro SuperServer SYS-2028U-E1CNR4+ / SYS-2028U-E1CNR4T+ is a high-density, enterprise-class 2U Ultra SuperServer built on the Intel C612 chipset. Designed for high-performance computing (HPC), virtualization, database management, and cloud infrastructure, it features dual-socket Intel Xeon E5-2600 v4/v3 processing, massive memory expandable up to 3TB DDR4, flexible hybrid storage (NVMe/SAS3/SATA3), and high-efficiency redundant Titanium Level power supplies.

Dual Processor Sockets: Socket R3 (LGA 2011) supporting Intel® Xeon® E5-2600 v4/v3 series (up to 160W TDP, 22 cores per CPU).
Massive Memory Capacity: 24x DDR4 DIMM slots supporting up to 3TB 3DS LRDIMM at 2400MHz.
Flexible Storage Hybrid Architecture: 24x 2.5″ Hot-swap drive bays supporting 4x direct NVMe drives and 24x SAS3/SATA3 drives via expander.
High-Speed Networking: 4x 10GbE (10GBase-T) ports via Ultra Add-on Card + 1x Dedicated IPMI Management port.
Titanium Efficiency: 1000W Redundant Power Supplies with 96% energy efficiency (80 PLUS Titanium Level).

System Specifications Summary

Specification Category	Technical Details
Motherboard	Super X10DRU-i+
Chassis Form Factor	2U Rackmount (Model: CSE-219UE1C4-R1K02)
Processor Sockets	Dual Socket R3 (LGA 2011)
Supported CPUs	Intel® Xeon® processor E5-2600 v4/v3 family (up to 160W TDP, up to 22 cores)
System Memory	24x 288-pin DDR4 DIMM slots Up to 3TB ECC 3DS LRDIMM / 1.5TB ECC RDIMM Speeds: 2400/2133/1866/1600MHz ECC DDR4 SDRAM
Chipset	Intel® C612 Express Chipset
Drive Bays	24x 2.5″ Hot-swap drive bays • Default 4x NVMe ports • 24x SAS3 ports support via SAS Expander & Add-on Card
Network Expansion Card	4x 10GBase-T RJ45 LAN ports (AOC-2URN4-i4XT)
Remote Management	Integrated IPMI 2.0 with Dedicated LAN port & ASPEED AST2400 BMC
PCI-E Expansion Slots	Up to 6x PCI-E 3.0 x8 slots (4x FH 10.5″ L, 1x LP, 1x Internal LP)
SATA Controller	SATA3 (6Gbps); RAID 0, 1, 5, 10 support
Power Supply	1000W Redundant Titanium Level Power Supplies (PWS-1K02A-1R, 96% Efficiency)
System Cooling	4x heavy-duty PWM internal cooling fans + 1x Air Shroud
Dimensions (W x H x D)	17.2″ (437 mm) x 3.5″ (89 mm) x 27.76″ (705.3 mm)
System Weight	Net Weight: 36 lbs (16.4 kg) \| Gross Weight: 72 lbs (32.7 kg)

Subsystem Details

1. Storage & Backplane Configuration

Backplane: BPN-SAS3-216EL1-N4 high-density SAS3/NVMe hybrid backplane.
NVMe Connectivity: Direct onboard header connections supporting 4x U.2 NVMe PCIe SSDs for ultra-low latency caching/tiering.
SAS3 Connectivity: Requires a 12Gb/s Storage Add-on Card (such as AOC-S3108L-H8iR Hardware RAID, AOC-S3008L-L8i RAID, or AOC-S3008L-L8e HBA).
DOM Ports: 2x SuperDOM (Disk-on-Module) headers for embedded OS boot.

2. Input / Output & Management Ports

LAN Ports: 4x RJ45 10GbE network interfaces + 1x Dedicated RJ45 IPMI management port.
USB Ports: 5x USB 3.0 ports (2 rear, 2 onboard headers, 1 Type-A internal port).
Video & Serial: 1x VGA port, 1x Serial Header.
Management Utilities: SuperDoctor® 5, Intel® Node Manager 3.0, SUM, SSM, and IPMI 2.0 with virtual media and KVM-over-LAN.

3. Power Supply Specifications

Module Model: PWS-1K02A-1R
AC Input:
- 100–127 Vac / 9.8–7A / 50–60Hz (Output: 800W)
- 200–240 Vac / 7–5A / 50–60Hz (Output: 1000W)
DC Output: +12V (up to 83A @ 200–240V) and +12Vsb standby (2.1A).
Efficiency Certification: 80 PLUS Titanium Level (up to 96% conversion efficiency).