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NVMe vs SSD vs HDD: Storage Performance for Self-Hosted Apps

Storage speed directly impacts application performance. Here's how NVMe, SSD, and HDD compare for self-hosting.

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Why Storage Speed Matters


Database queries, file operations, container image pulls — storage speed affects everything. The difference between NVMe and HDD can be 100x in random I/O performance.


The Three Types


HDD (Hard Disk Drive)

  • Sequential read: 100-200 MB/s
  • Random IOPS: 100-200
  • Latency: 5-10ms
  • Cost: $0.02-0.03/GB
  • Best for: Cold storage, backups, archives

    • SATA SSD

  • Sequential read: 500-550 MB/s
  • Random IOPS: 50,000-100,000
  • Latency: 0.1-0.5ms
  • Cost: $0.05-0.10/GB
  • Best for: General workloads, web servers

    • NVMe SSD

  • Sequential read: 3,000-7,000 MB/s
  • Random IOPS: 100,000-1,000,000
  • Latency: 0.02-0.05ms
  • Cost: $0.08-0.15/GB
  • Best for: Databases, high-performance applications

    • Real-World Impact


    Database Queries

    A complex PostgreSQL query that reads 10,000 random pages:

  • HDD: 50-100 seconds
  • SSD: 0.1-0.2 seconds
  • NVMe: 0.01-0.02 seconds

    • NVMe makes databases feel instantaneous.


    Container Startup

    Pulling and starting a 500 MB container image:

  • HDD: 10-15 seconds
  • SSD: 2-3 seconds
  • NVMe: <1 second

    • File Operations

    Serving 1,000 small files (images, assets):

  • HDD: 5-10 seconds (seeks dominate)
  • SSD: 0.02 seconds
  • NVMe: 0.01 seconds

    • Recommendations


    Always NVMe for Databases

    Database performance is heavily I/O bound. NVMe storage is the single biggest performance improvement you can make.


    SSD Minimum for Everything

    Never run self-hosted applications on HDD. The performance difference is night and day.


    HDD for Backups Only

    Use HDD for long-term backup storage where sequential read/write is sufficient.


    TinyPod's Storage


    Every TinyPod server uses NVMe storage. Your databases, file uploads, and applications all benefit from the fastest storage tier available. 75 GB per server at $5/month.