Dell PowerEdge Server Comparison Guide
Choosing the right Dell PowerEdge server can be challenging. With multiple generations, chassis sizes, processor families, storage configurations, and expansion options available, two PowerEdge servers that look similar can be designed for very different workloads.
Our Dell PowerEdge Server Comparison Guide is designed to make that decision easier.
Whether you're building a server for virtualization, a homelab, storage, databases, GPU computing, or general business applications, use the comparison below to find the PowerEdge platform that best fits your requirements and budget.
Compare Dell PowerEdge Servers
Our comparison includes popular refurbished PowerEdge models across several generations, including:
- Dell PowerEdge R630, R640, and R650
- Dell PowerEdge R730 and R730xd
- Dell PowerEdge R740 and R740xd
- Dell PowerEdge R750
- Dell PowerEdge R930
- Dell PowerEdge R940
Compare important features including server generation, chassis size, processor platform, memory, storage options, expansion capabilities, GPU potential, and recommended workloads.
1U vs. 2U vs. Larger PowerEdge Servers
One of the first decisions to make is how much expansion you need.
1U servers such as the R630, R640, and R650 prioritize compute density. They're an excellent choice when rack space is limited and you need significant processing power in a compact chassis.
2U servers such as the R730, R740, and R750 provide considerably more room for storage, PCIe expansion, and GPU configurations. They're among the most versatile PowerEdge platforms for virtualization, business applications, and compute-intensive workloads.
Storage-focused models such as the R730xd and R740xd provide additional drive capacity and storage flexibility for applications where local storage is a priority.
Larger multi-socket systems such as the R930 and R940 are designed for workloads requiring exceptionally high CPU and memory capacity.
Which Dell PowerEdge Server Is Right for You?
There isn't one PowerEdge model that's best for everyone.
The right server depends on what you're trying to accomplish.
For example, a business building a virtualization cluster may prioritize CPU cores and memory capacity, while a storage server may require significantly more drive bays. A GPU server may need additional PCIe expansion, power, and cooling capability.
Your budget matters too. Previous-generation enterprise servers can provide tremendous performance for the money when the workload doesn't require the newest hardware.
That's one of the biggest advantages of refurbished enterprise equipment: you can choose the generation that provides the features you actually need without paying for capabilities you don't.
Need Help Choosing a Server?
Use our PowerEdge comparison guide below to narrow down your options.
Consider your:
- Application or workload
- CPU requirements
- Memory requirements
- Storage capacity
- Drive type
- GPU requirements
- PCIe expansion needs
- Rack space
- Power requirements
- Budget
If you're still unsure which PowerEdge model is right for your application, contact us and tell us what you're trying to build.
We can help you choose a server and configuration that fits your workload instead of simply recommending the newest or most expensive system.
| Server | Generation | Size | CPU Platform | Max CPUs | Memory | Drive Options | GPU Potential | Best For |
|---|---|---|---|---|---|---|---|---|
| Dell PowerEdge R630 | 13th Gen | 1U | Xeon E5-2600 v3/v4 | 2 | DDR4 | 2.5" SFF | Limited | Dense compute, virtualization, homelab |
| Dell PowerEdge R640 | 14th Gen | 1U | 1st / 2nd Gen Xeon Scalable | 2 | DDR4 | 2.5" SFF / NVMe options | Limited | Dense compute, virtualization, business applications |
| Dell PowerEdge R650 | 15th Gen | 1U | 3rd Gen Xeon Scalable | 2 | DDR4 | 2.5" SFF / NVMe options | Limited | Modern dense compute and virtualization |
| Dell PowerEdge R730 | 13th Gen | 2U | Xeon E5-2600 v3/v4 | 2 | DDR4 | 2.5" SFF / 3.5" LFF | Good | Budget virtualization, GPU, general-purpose workloads |
| Dell PowerEdge R730xd | 13th Gen | 2U | Xeon E5-2600 v3/v4 | 2 | DDR4 | High-density SFF / LFF | Good | Storage, virtualization, data-heavy workloads |
| Dell PowerEdge R740 | 14th Gen | 2U | 1st / 2nd Gen Xeon Scalable | 2 | DDR4 | SFF / LFF / NVMe options | Excellent | Virtualization, GPU, business applications, compute |
| Dell PowerEdge R740xd | 14th Gen | 2U | 1st / 2nd Gen Xeon Scalable | 2 | DDR4 | High-density SFF / LFF / NVMe | Excellent | Storage, virtualization, databases, data-intensive workloads |
| Dell PowerEdge R750 | 15th Gen | 2U | 3rd Gen Xeon Scalable | 2 | DDR4 | SFF / NVMe options | Excellent | Modern virtualization, GPU, AI and enterprise workloads |
| Dell PowerEdge R930 | 13th Gen | 4U | Xeon E7-4800/8800 v3/v4 | 4 | DDR4 | 2.5" SFF | Specialized | Large databases, high memory capacity, high core counts |
| Dell PowerEdge R940 | 14th Gen | 3U | Xeon Scalable | 4 | DDR4 | 2.5" SFF / NVMe options | Specialized | Databases, analytics, high-memory and high-core workloads |
Specifications and available configurations vary by chassis and system configuration. Always verify the exact configuration required for your workload.
Which Dell PowerEdge Server Should You Choose?
The newest server isn't automatically the best choice. Your workload, expansion requirements and budget should determine which PowerEdge platform makes the most sense.
Dell PowerEdge R730
An excellent value for virtualization, homelabs, general-purpose applications and budget GPU configurations.
Dell PowerEdge R740
A versatile refurbished platform offering an excellent balance of CPU performance, memory, storage, PCIe expansion and GPU capability.
Dell PowerEdge R750
A strong choice when newer processors, storage technologies and accelerator support are priorities.
Dell PowerEdge R640
Provides substantial compute and memory capability in a compact 1U chassis when rack density matters.
Dell PowerEdge R740xd
Combines strong compute capability with greater local storage density and flexible drive configurations.
Dell PowerEdge R930 / R940
Four-socket platforms designed for applications that can take advantage of very large memory configurations and high CPU core counts.
Popular Dell PowerEdge Comparisons
Some PowerEdge models are frequently compared because they occupy similar roles but belong to different generations or prioritize different capabilities.
Dell R730 vs. R740
Choose the R730 when acquisition cost is the priority. Its Xeon E5 v3/v4 platform still provides excellent value for many virtualization and homelab workloads.
Choose the R740 when you want a newer Xeon Scalable platform, greater expansion flexibility and stronger overall support for newer storage and GPU configurations.
Dell R740 vs. R750
Choose the R740 when refurbished price-to-performance is the priority. It remains an extremely versatile enterprise platform.
Choose the R750 when you need a newer processor generation and more modern platform capabilities.
Dell R630 vs. R730
Choose the R630 when rack density is important and you don't need extensive PCIe or GPU expansion.
Choose the R730 when you need the additional room provided by a 2U chassis for storage, PCIe expansion or GPUs.
Dell R640 vs. R740
Both belong to Dell's 14th-generation PowerEdge family and use the Xeon Scalable platform.
Choose the R640 for 1U compute density. Choose the R740 for greater storage, PCIe and GPU expansion flexibility.
Dell R730 vs. R730xd
Choose the R730 as a flexible general-purpose 2U server.
Choose the R730xd when local storage capacity and drive density are major priorities.
Dell R740 vs. R740xd
Choose the R740 for a versatile general-purpose virtualization, compute or GPU platform.
Choose the R740xd when you need greater storage density or more advanced local storage configurations.
Choose a PowerEdge Server by Workload
Start with what you're trying to accomplish. The table below provides general starting points for common server workloads.
| Workload | Recommended Platform | Alternative |
|---|---|---|
| Virtualization | R740 | R730 / R750 |
| Proxmox Homelab | R730 / R740 | R630 / R640 |
| VMware | R740 | R730 / R750 |
| GPU Compute / AI | R740 / R750 | R730 |
| Storage Server | R740xd | R730xd |
| Database | R740 / R940 | R930 / R750 |
| High Core Count / Memory | R940 | R930 |
| Dense 1U Compute | R640 | R630 / R650 |
| Newer Enterprise Deployment | R750 | R740 |
| Budget General-Purpose Server | R730 | R630 |
Understanding Dell PowerEdge Generations
PowerEdge model numbers become much easier to understand once you know which server generation you're looking at.
13th Generation
Primarily based on Intel Xeon E5 v3/v4 or E7 v3/v4 processors. These systems remain popular when maximum refurbished value is the priority.
14th Generation
Introduced Intel Xeon Scalable processors across many mainstream PowerEdge platforms and provides a strong balance of modern capability and refurbished pricing.
15th Generation
Moves to 3rd Generation Intel Xeon Scalable processors with newer platform, storage and expansion capabilities for more modern deployments.
Remember: Configuration Matters
Two servers with the same PowerEdge model number can be configured very differently. Processor selection, memory capacity, RAID controller, drive backplane, PCIe risers, power supplies, network adapters and GPU hardware can all affect what a server can do.
When comparing systems, consider the complete configuration rather than the server model alone.
