Product Specification of Lenovo ThinkSystem ST550 Tower Server
- Type: Tower Server
- Form Factor: 4U rackable tower
- Socket: Dual socket (supports 2nd Gen Intel Xeon Scalable Platinum/Silver up to 125 W per CPU)
- Supported CPUs: Up to two 2nd Generation Intel Xeon Scalable processors (Platinum/Silver up to 125 W)
- Memory Type: TruDDR4 ECC Registered
- DIMM Slots: 12 slots total (6 per CPU)
- Max Capacity: Up to 768 GB with 64 GB DIMMs
- Speed: Up to 2933 MT/s (2666 MT/s also supported)
- Drive Bay Options:
- Up to 16 × 2.5 SAS/SATA hot swap bays (including up to 4 NVMe)
- Or up to 8 × 3.5 hot swap bays
- Plus up to 4 × 2.5 internal bays + 2 × M.2 boot drives
- Controllers: Software RAID standard; optional hardware RAID and up to 16 port HBAs available
- PCIe Slots: Up to 6 × PCIe 3.0 slots (with 2 CPUs installed)
- Networking: 2 × 1 GbE LOM standard; optional NICs via PCIe
- Power Supplies: 1 × fixed 450 W Gold PSU; or 2 × hot swap redundant PSUs (550 W/750 W/1100 W Platinum, or 750 W Titanium)
- Cooling: Hot swap chassis fans, chassis intrusion switch; drive/tray redundancy
- Microsoft Windows Server
- Red Hat Enterprise Linux
- SUSE Linux Enterprise Server
- VMware vSphere / ESXi
- Lenovo ThinkShield (lockable bezel, Kensington lock slot, chassis intrusion)
- TPM 1.2 and TPM 2.0 supported
- Predictive Failure Analysis, hot swap redundant drives and PSUs
- Lenovo XClarity Controller (embedded) with XClarity Administrator support
- Includes Redfish API support and XClarity Integrator and Energy Manager plugins
- Standard Warranty: 3 Years Warranty
- Support Options: Warranty extensions available via Lenovo service offerings
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Server Type / Form Factor
- Type: Tower Server
- Form Factor: 4U rackable tower
- Socket: Dual socket (supports 2nd Gen Intel Xeon Scalable Platinum/Silver up to 125 W per CPU)
-
Processor (CPU)
- Supported CPUs: Up to two 2nd Generation Intel Xeon Scalable processors (Platinum/Silver up to 125 W)
-
Memory (RAM)
- Memory Type: TruDDR4 ECC Registered
- DIMM Slots: 12 slots total (6 per CPU)
- Max Capacity: Up to 768 GB with 64 GB DIMMs
- Speed: Up to 2933 MT/s (2666 MT/s also supported)
-
Storage
- Drive Bay Options:
- Up to 16 × 2.5 SAS/SATA hot swap bays (including up to 4 NVMe)
- Or up to 8 × 3.5 hot swap bays
- Plus up to 4 × 2.5 internal bays + 2 × M.2 boot drives
- Controllers: Software RAID standard; optional hardware RAID and up to 16 port HBAs available
- Drive Bay Options:
-
Expansion / Connectivity
- PCIe Slots: Up to 6 × PCIe 3.0 slots (with 2 CPUs installed)
- Networking: 2 × 1 GbE LOM standard; optional NICs via PCIe
-
Redundancy & Reliability
- Power Supplies: 1 × fixed 450 W Gold PSU; or 2 × hot swap redundant PSUs (550 W/750 W/1100 W Platinum, or 750 W Titanium)
- Cooling: Hot swap chassis fans, chassis intrusion switch; drive/tray redundancy
-
Operating System Support
- Microsoft Windows Server
- Red Hat Enterprise Linux
- SUSE Linux Enterprise Server
- VMware vSphere / ESXi
-
Security Features
- Lenovo ThinkShield (lockable bezel, Kensington lock slot, chassis intrusion)
- TPM 1.2 and TPM 2.0 supported
- Predictive Failure Analysis, hot swap redundant drives and PSUs
-
Management & Monitoring
- Lenovo XClarity Controller (embedded) with XClarity Administrator support
- Includes Redfish API support and XClarity Integrator and Energy Manager plugins
-
Warranty & Support
- Standard Warranty: 3 Years Warranty
- Support Options: Warranty extensions available via Lenovo service offerings



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