Supermicro SYS-531R-I is a mini tower workstation barebone. It features an AMI BIOS type and supports DDR5-SDRAM memory with four slots, allowing a maximum RAM of 128 GB. The storage drive interface is SATA, supporting up to four 3.5" drives. It includes three Ethernet LAN ports and has active cooling with a 400 W internal power supply.

Memory specifications include:

• Memory type: DIMM
• Maximum RAM: 128 GB
• Memory voltage: 1.1 V
• ECC feature

Network features include:

• Ethernet/LAN with Intel I210 and Realtek RTL8211F PHY controllers.

Ports and interfaces consist of:

• Two USB 2.0 ports
• Four USB 3.2 Gen 1 type A ports
• One VGA (D-Sub) port
• Three Ethernet LAN ports

Expansion slots include:

• PCI Express slots version 4.0 and 5.0
• Two PCI Express x4 slots
• Two PCI Express x8 slots

The case design is a mini tower in black, featuring active cooling, an on/off switch, and LED indicators. It supports one processor and has a Trusted Platform Module (TPM) version 2.0.

Power supply specifications:

• Type: Internal power supply unit
• Power: 400 W
• AC input voltage: 100 - 240 V
• AC input frequency: 50/60 Hz

Operating conditions:

• Operating temperature: 10 - 35 °C
• Storage temperature range: -40 - 60 °C
• Relative humidity during operation: 8 - 90%
• Relative humidity during storage: 5 - 95%

Dimensions and weight:

• Width: 184 mm
• Depth: 425 mm
• Height: 362 mm
• Weight: 7.26 kg
• Packaging width: 279 mm
• Packaging depth: 533 mm
• Packaging height: 508 mm
• Package weight: 9.07 kg.