Lenovo ThinkSystem ST550 Tower Server

The Lenovo ThinkSystem ST550 is a versatile 4U tower server designed for small to medium-sized businesses, remote offices, and branch environments. It combines enterprise-grade performance with a compact form factor and quiet operation, making it suitable for office settings.

---

🔧 Processor & Performance

• CPU Support: Up to 2x Intel® Xeon® Scalable processors (1st or 2nd Gen), each with up to 22 cores and a thermal design power (TDP) of up to 125W.
• Features: Supports Intel® Hyper-Threading, Turbo Boost, and Virtualization technologies for enhanced performance and efficiency.

---

🧠 Memory

• DIMM Slots: 12x DDR4 DIMM slots.
• Capacity: Up to 768GB using Lenovo TruDDR4 RDIMMs or LRDIMMs at speeds up to 2933 MHz.

---

💾 Storage

• Drive Bays: Configurable with:
  • Up to 20x 2.5" hot-swap SAS/SATA/NVMe drives.
  • Up to 8x 3.5" hot-swap or simple-swap SAS/SATA drives.
• Maximum Storage: Up to 154TB using 2.5" drives or up to 144TB with 3.5" drives.
• Boot Options: Supports up to 2x M.2 drives with optional RAID 0/1 configurations.

---

🎮 Expansion & GPU Support

• PCIe Slots: Up to 6x PCIe 3.0 slots for expansion cards.
• GPU Support: Accommodates up to 2x double-width GPUs for workloads requiring enhanced graphics processing.

---

🌐 Networking & Connectivity

• Integrated Networking: 2x Gigabit Ethernet ports.
• Management Ports: Dedicated RJ-45 port for Lenovo XClarity Controller (XCC) management.
• USB Ports: Multiple USB 2.0 and 3.0 ports on front and rear panels for peripheral connectivity.

---

🔒 Security & Management

• Security Features: Includes Trusted Platform Module (TPM) 2.0 for hardware-based security.
• Management Tools: Lenovo XClarity Controller for system monitoring and management; Lenovo XClarity Administrator for centralized infrastructure management.

⚙️ Power & Cooling

• Power Supplies: Supports up to two redundant hot-swap power supplies with options of 550W, 750W, or 1100W Platinum, and 750W Titanium efficiency ratings.
• Cooling: Equipped with up to four simple-swap fans, designed for quiet operation suitable for office environments.

---

📏 Physical Specifications

• Form Factor: 4U tower server, rack-mountable with optional kit
• Dimensions: Height: 42.55 cm; Width: 17.58 cm; Depth: 66.64 cm.
• Weight: Up to 36.9 kg, depending on configuration.

---

🖥️ Operating System Support

• Compatible OS: Supports major operating systems including Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, and VMware ESXi.

Data Sheet