Comparing Solid State Drives (SSD) and Hard Disk Drives (HDD) in HPE Server Systems

Posted by HPE Storage Specialist on Jun 28, 2023

Comparing Solid State Drives (SSD) and Hard Disk Drives (HDD) in HPE Server Systems

As technology continues to evolve, the debate between Solid State Drives (SSD) and Hard Disk Drives (HDD) becomes ever more pertinent, especially in the context of server systems. Today, we will focus on a comparison of these storage technologies within HPE server drives, considering factors such as performance, durability, capacity, and cost.

Performance

When it comes to performance, SSDs have a clear edge over HDDs. SSDs do not have moving parts, making their read/write speeds significantly faster. HPE SSDs, like the HPE Value SAS SSDs, offer high-performance storage with an excellent price/performance ratio, ideal for mixed-use, high-performance computing, and virtualization workloads.

HDDs, on the other hand, utilize a mechanical arm with a read/write head that moves around the disk to read information. This mechanism slows the overall performance compared to SSDs. However, HPE HDDs like the HPE Server Midline Hard Drives still provide decent performance and are designed for applications requiring high-capacity storage and moderate workload performance.

Durability

SSDs are generally more durable and reliable than HDDs. As they lack moving parts, they are less susceptible to physical shock and wear, making them ideal for mobile devices and high-uptime server environments. HPE SSDs provide high durability with features such as end-to-end data path protection, power loss protection, and SmartSSD Wear Gauge management.

HDDs, with their mechanical design, are more prone to physical damage, especially when moved while operating. However, HPE's hard drives are designed with robustness in mind and deliver excellent reliability for server storage.

Capacity

HDDs have traditionally held the advantage in storage capacity, with HPE offering drives like the HPE Server Midline Hard Drives with capacities up to 16TB. This makes HDDs suitable for applications and servers requiring high-capacity storage at a lower cost.

However, SSDs have been rapidly closing the gap. Modern HPE SSDs like the HPE NVMe Mixed Use SFF SCC SSDs are available in capacities up to 15.36TB, nearly matching the top end of HDD capacities.

Cost

In terms of cost, HDDs have an advantage. Per gigabyte, HDDs are cheaper to produce and, consequently, cheaper to buy. HPE HDDs offer excellent cost-effective solutions for high-capacity storage needs.

While SSDs are still more expensive on a per gigabyte basis, the gap is narrowing. Moreover, the total cost of ownership should also factor in their superior performance and durability. Thus, HPE SSDs may offer better value in scenarios requiring high performance, high durability, and lower power consumption.

Conclusion

The decision between HDDs and SSDs in an HPE server environment depends on the specific needs of the server. If you require high-performance, high-durability, and power-efficient storage and are willing to pay a premium, HPE SSDs are the way to go. However, if you need cost