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Quick Comparison of Dell PowerEdge R650xs Rack Server vs Dell PowerEdge R550 Rack Server at a Glance

The server comparison table provides a quick overview of the key specifications and key features for Dell PowerEdge R650xs Rack Server and Dell PowerEdge R550 Rack Server Let’s take a look at the comparison table below.

Features
Dell PowerEdge R650xs Rack Server

Dell PowerEdge R650xs Rack Server

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Dell PowerEdge R550 Rack Server

Dell PowerEdge R550 Rack Server

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Server Type / Form Factor

  • Type: Rack Server

  • Form Factor: 1U Rackmount

  • Socket: Dual socket (supports up to two 3rd Generation Intel Xeon Scalable processors, up to 32 cores/socket)

  • Type: Rack Server

  • Form Factor: 2U Rackmount

  • Socket: Dual socket (supports up to two 3rd Generation Intel Xeon Scalable processors, up to 24 cores/socket)
Processor (CPU)

  • Supported CPUs: Up to two 3rd Generation Intel Xeon Scalable processors (up to 32 cores per socket)

  • Max TDP: ~220 W per processor

  • Supported CPUs: Up to two 3rd Generation Intel Xeon Scalable processors (up to 24 cores per socket)
Memory (RAM)

  • Memory Type: DDR4 RDIMM ECC

  • DIMM Slots: 16 slots total

  • Max Capacity: Up to 1 TB

  • Speed: Up to 3200 MT/s

  • Memory Type: DDR4 RDIMM ECC

  • DIMM Slots: 16 slots total

  • Max Capacity: Up to 1 TB

  • Speed: Up to 2933 MT/s
Storage

  • Drive Bay Options:

    • Up to 4 × 3.5 SAS/SATA HDD/SSD (max ~64 TB)

    • Up to 8 × 2.5 SAS/SATA/NVMe (max ~61.44 TB)

    • Up to 10 × 2.5 SAS/SATA/NVMe (max ~76.8 TB)



  • Rear Bays: Up to 2 × 2.5 SAS/SATA/NVMe (max ~15.36 TB)

  • Controllers: Internal: PERC H345, H355, H745, H755, H755N; HBA355i; S150; Boot: BOSSS1 dual M.2; External: PERC H840, HBA355e

  • Drive Bay Options:

    • Up to 16 × 2.5 SAS/SATA HDD/SSD (max ~122.88 TB)

    • Up to 8 × 3.5 SAS/SATA HDD/SSD (max ~128 TB)

    • Up to 8 × 2.5 SAS/SATA HDD (max ~61.44 TB)



  • Controllers: PERC H345, PERC H355, PERC H745, PERC H755, S150; HBA355i; Boot: BOSS S2 dual M.2; External: PERC H840 or HBA355e
Expansion / Connectivity

  • PCIe Slots: Up to 3 PCIe Gen 4 slots (config dependent)

  • Networking: Embedded dual 1 GbE LOM; optional OCP 3.0 mezzanine slot

  • PCIe Slots: Up to three PCIe Gen 4 slots and one PCIe Gen 3 slot (config dependent)

  • Networking: Embedded dual 1 GbE LOM; optional OCP 3.0 mezzanine card
Redundancy & Reliability

  • Power Supplies: Hot plug redundant PSUs: 600 W, 700 W, 800 W, 1100 W, 1400 W, 1800 W (Platinum/Titanium options AC/DC)

  • Cooling: Air cooled; up to 7 cabled fans; standard, high performance (SLVR/GOLD) options

  • Power Supplies: Hot plug redundant PSUs: 600 W or 800 W Platinum Mixed Mode, or 1100 W Titanium (AC or DC options)

  • Cooling: Air cooled with up to five cabled fans
Operating System Support

  • Microsoft Windows Server with Hyper V

  • Red Hat Enterprise Linux

  • SUSE Linux Enterprise Server

  • VMware ESXi / vSAN

  • Canonical Ubuntu Server LTS

  • Citrix Hypervisor

  • Microsoft Windows Server with Hyper V

  • Red Hat Enterprise Linux

  • SUSE Linux Enterprise Server

  • VMware ESXi / vSAN

  • Canonical Ubuntu Server LTS

  • Citrix Hypervisor
Security Features

  • Cryptographically signed firmware; Silicon Root of Trust

  • Secure Boot, Secure Erase, System Lockdown (requires iDRAC9 Enterprise or Datacenter)

  • TPM 1.2/2.0 (FIPS, CC TCG certified; TCM 2.0 optional)

  • Cryptographically signed firmware; Silicon Root of Trust

  • Secure Boot, Secure Erase, System Lockdown (requires iDRAC9 Enterprise/Datacenter)

  • TPM 2.0 (FIPS, CC TCG certified; includes China NationZ support)
Management & Monitoring

  • iDRAC9 with Lifecycle Controller; iDRAC Direct USB port; RESTful Redfish API; iDRAC Service Module

  • Tools: Dell OpenManage Enterprise; Power Manager, SupportAssist, Update Manager plugins; CloudIQ; OpenManage Mobile; integrations with VMware vCenter, Microsoft System Center; Ansible, Terraform support

  • iDRAC9 with Lifecycle Controller; iDRAC Direct USB port; RESTful Redfish API; iDRAC Service Module

  • Tools: Dell OpenManage Enterprise; Power Manager, SupportAssist, Update Manager plugins; CloudIQ; OpenManage Mobile; integrations with VMware vCenter, Microsoft System Center, Ansible, Terraform
Warranty & Support

  • Standard Warranty: 3 Year Dell Basic Hardware Warranty with 5×10 Next Business Day Onsite Service

  • Optional Extended Support: Dell ProSupport or ProSupport Plus available beyond 3 years

  • Standard Warranty: 3 Year Dell Basic Hardware Warranty with 5×10 Next Business Day Onsite Service

  • Optional Extended Support: Dell ProSupport or ProSupport Plus available beyond 3 years

Key Features Comparison

High Performance Processing
Supports up to two 3rd Generation Intel® Xeon® Scalable processors with up to 32 cores per processor for powerful performance.
Fast and Scalable Memory
Equipped with 16 DDR4 DIMM slots supporting up to 1TB of ECC RDIMM memory at speeds up to 3200 MT/s.
Flexible Storage Options
Supports a mix of up to 10 x 2.5" SAS/SATA/NVMe drives for a maximum of 76.8TB storage capacity, ideal for diverse workload demands.
Advanced Management
Integrated with iDRAC9 and Dell OpenManage tools for simplified monitoring, deployment, and lifecycle management.
Optimized for Efficiency
Compact 1U form factor with efficient air cooling and multiple power supply options including Platinum and Titanium-rated units.
Robust Security Features
Offers enterprise-grade protection with Silicon Root of Trust, Secure Boot, TPM 2.0, and System Lockdown capabilities.
Dual 3rd Gen Intel Xeon Scalable CPUs
Supports up to 2 processors with up to 24 cores each for powerful performance.
High-Capacity DDR4 Memory
Up to 1TB RAM with ECC support and speeds up to 2933 MT/s for enhanced reliability.
Flexible Storage Options
Accommodates up to 128TB with 3.5" drives or 122.88TB with 2.5" drives, plus NVMe boot support.
Advanced Management Tools
Comes with iDRAC9, OpenManage Enterprise, and RESTful API for simplified server management.
Redundant Power & Cooling
Multiple hot-swappable power supply and fan options ensure high availability and efficiency.
Enhanced Security
Features like Secure Boot, TPM 2.0, and Silicon Root of Trust safeguard your server infrastructure.

Dell PowerEdge R650xs Rack Server vs Dell PowerEdge R550 Rack Server : Which should I choose?

Choosing the right server is a critical decision for any business, and comparing Dell PowerEdge R650xs Rack Server and Dell PowerEdge R550 Rack 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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