Quick Comparison of Lenovo ThinkSystem ST550 Tower Server vs HPE ProLiant ML350 Gen11 Server at a Glance

The server comparison table provides a quick overview of the key specifications and key features for Lenovo ThinkSystem ST550 Tower Server and HPE ProLiant ML350 Gen11 Server Let’s take a look at the comparison table below.

Features	Lenovo ThinkSystem ST550 Tower Server View Check the Price	HPE ProLiant ML350 Gen11 Server View Check the Price
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)	Type: Tower Server (convertible to rack) Form Factor: 4U Tower (Rack-mountable with optional kit) Socket: Dual-socket (supports up to 2 processors)
Processor (CPU)	Supported CPUs: Up to two 2nd Generation Intel Xeon Scalable processors (Platinum/Silver up to 125 W)	Processor Family: 4th and 5th Gen Intel® Xeon® Scalable Processors Max Supported: Up to 60 cores per CPU (e.g., Intel Xeon Gold 6490N) Architecture: Intel 7 (10nm Enhanced SuperFin) Max TDP: Up to 350W per processor
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)	Type: DDR5 Registered DIMMs (RDIMMs) DIMM Slots: 32 DIMM slots (16 per CPU) Max Capacity: Up to 8TB (with Intel Optane Persistent Memory) Speed: Up to 5600 MT/s Protection: ECC, Advanced Memory Mirroring, Lockstep
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 Bays: Up to 12x LFF or 24x SFF (hot-plug front bays) Optional: Rear and NVMe options available Supported Types: SAS, SATA, NVMe RAID: HPE Smart Array Controllers (RAID 0, 1, 5, 6, 10, 50, 60) Max Capacity: Over 400TB+ depending on configuration
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	PCIe Slots: Up to 8x PCIe Gen5 slots (dependent on riser config) Networking: OCP 3.0 Slot (1/10/25/100GbE options) GPU Support: Supports up to 2x double-width or 4x single-width GPUs
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	Power: Redundant Hot-Plug Power Supplies (800W, 1600W, 2400W) Cooling: Redundant Hot-Plug Fans Drive Redundancy: RAID configuration via Smart Array Security: HPE Silicon Root of Trust
Operating System Support	Microsoft Windows Server Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware vSphere / ESXi	Microsoft Windows Server Red Hat Enterprise Linux (RHEL) SUSE Linux Enterprise Server (SLES) VMware ESXi Canonical Ubuntu, Oracle Linux
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	Silicon Root of Trust TPM 2.0 (Standard or FIPS-certified optional) Secure Boot & Secure Erase Firmware Runtime Verification Chassis Intrusion Detection
Management & Monitoring	Lenovo XClarity Controller (embedded) with XClarity Administrator support Includes Redfish API support and XClarity Integrator and Energy Manager plugins	iLO 6: HPE Integrated Lights-Out for remote server management Management Tools: HPE OneView, HPE InfoSight Predictive Analytics API Support: Redfish and RESTful API
Warranty & Support	Standard Warranty: 3 Years Warranty Support Options: Warranty extensions available via Lenovo service offerings	Standard Warranty: 3 Years Parts, 3 Years Labor, 3 Years Onsite (Next Business Day) Optional Services: HPE Pointnext Tech Care, Foundation Care, and Proactive Care

Key Features Comparison

High Performance and Scalability

The ST550 supports Intel Xeon Scalable processors and provides flexible storage options, making it suitable for demanding applications and workloads as your business grows.

Advanced Storage Flexibility

With support for multiple storage configurations, including up to 12 3.5-inch drives, businesses can scale their storage capacity as needed

Enhanced Virtualization Support

Optimized for virtualization workloads, the ST550 offers significant performance enhancements for running virtualized environments, increasing operational efficiency

Energy-Efficient Design

Lenovo’s energy-efficient architecture ensures the ST550 delivers performance without excessive power consumption, helping to reduce operational costs

Remote Management Capabilities

Integrated with Lenovo XClarity Controller for remote management, providing streamlined deployment and proactive monitoring, even in remote or distributed environments

Security Features

Built-in security features, including TPM 2.0 and secure boot, protect your sensitive data and ensure the integrity of your server

High-Performance Processing

The HPE ProLiant ML350 Gen11 Server features a powerful Intel Xeon processor, which delivers exceptional performance for complex workloads. Whether you’re running complex applications or dealing with intense data processing, the Intel Xeon processor ensures high performance and efficiency.

Scalability and Flexibility

This server supports a memory size of up to 3TB of DDR4 memory and various storage options including SSDs and HDDs. This scalability ensures that the server can grow with your business, adapting to growing data and resource needs without compromising performance.

Advanced Security Features

Equipped with HPE Silicon Root of Trust technology, the ML350 Gen11 Server offers strong protection against firmware attacks to protect your data. This feature instantly ensures the integrity and security of your system.

Energy Efficiency

Designed with energy efficient materials, the HPE ProLiant ML350 Gen11 helps reduce operating costs by reducing power consumption. Its intelligent maintenance system maximizes energy efficiency, making it an environmentally friendly option for businesses

Versatile Storage Options

The ML350 Gen11 supports a variety of storage configurations, including NVMe, SAS, and SATA drives. This flexibility allows enterprises to choose the storage solutions they need, whether it’s high-speed data transfers or large-scale storage

High Availability and Reliability

With power saving and cooling fans, HPE ProLiant ML350 Gen11 ensures high availability and reliability. These features are designed to keep the server running smoothly even in the event of hardware failure, reducing the risk of downtime.

Lenovo ThinkSystem ST550 Tower Server vs HPE ProLiant ML350 Gen11 Server : Which should I choose?

Choosing the right server is a critical decision for any business, and comparing Lenovo ThinkSystem ST550 Tower Server and HPE ProLiant ML350 Gen11 Server gives you clear insights into which solution aligns best with your IT requirements. These servers are built for high performance, but they may differ in areas such as processor capacity, memory, storage, and scalability, making a side-by-side comparison easy.

This direct comparison helps you quickly identify the strengths and limitations of each server, which helps you determine which model best supports your workloads, applications, and long-term IT goals. By evaluating them together, you can make a smarter investment that ensures reliability and efficiency for your business.

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