4U rackable tower	Form Factor/Height
Up to 2 second-generation Intel® Xeon® Platinum processors, up to 125W	Processor
Up to 768GB in 12x DIMM slots using 64GB DIMMs; 2666 and 2933MHz TruDDR4	Memory
Up to 6x PCIe 3.0 (with 2x processors)	Expansion Slots
Up to 16x 2.5" (including 4 NVMe) or 8x 3.5" bays; Plus up to 4x 2.5" and 2x internal M.2 boot	Drive Bays
Software RAID (4x ports) standard; optional hardware RAID (up to 24x ports); up to 16-port HBAs	HBA/RAID Support
Lenovo ThinkShield, lockable security bezel, Kensington lock slot, chassis intrusion switch, TPM 1.2/2.0, Predict Failure Analysis, hot-swap/redundant drives, redundant PSUs	Security and Reliailability Features
2x 1GbE ports standard; See ST550 product guide for more options	Network Interface
1x 450W 80 PLUS Gold (fixed); or 2x 550W/750W/1100W 80 PLUS Platinum (hot-swap/redundant N+1); or 2x 750W 80 PLUS Titanium (hot-swap/redundant)	Power (Energy Star 2.1 compliant)
XClarity Controller embedded management, XClarity Administrator centralized infrastructure delivery, XClarity Integrator plugins, and XClarity Energy Manager centralized server power management	Systems Management
Microsoft Windows Server, SUSE, Red Hat, VMware vSphere. Visit lenovopress.com/osig for details.	Operating Systems Supported
1-year and 3-year customer replaceable unit and onsite service, next business day 9×5	Limited Warranty

* נפח האיחסון הפנוי לשימוש- נמוך מנפח האחסון הכולל של המכשיר, עקב התקנת מערכת ההפעלה, תוכנות וכדומה