This comparison used to have nuance. At current prices it doesn't. SSDs are faster, more reliable, more energy efficient, and have dropped to the point where the cost difference for most use cases is negligible. If someone is selling you a new computer with a spinning drive, that's a red flag about the entire build.
THE PERFORMANCE REALITY
Sequential read speeds: modern SATA SSD — 500-550 MB/s. NVMe SSD — 3,000-7,000 MB/s. 7200 RPM hard drive — 80-160 MB/s. For the operations that define everyday computer feel — boot time, application launch, file open — an SSD is between 3x and 50x faster. The difference isn't just measurable. It's immediately obvious in daily use.
💡 A well-spec'd machine from 2018 with an SSD installed feels faster for office work than a 2023 machine with a spinning drive. The storage is the bottleneck — not the CPU, not the RAM.
THE PRICE REALITY
1TB SATA SSDs are available for $50-70. 1TB HDDs are $30-40. The $20-30 premium for dramatically better performance and reliability makes spinning drives a poor value for anything except high-capacity archival storage where cost-per-terabyte is the primary concern.
Samsung 870 EVO 1TB SATA SSD
The benchmark for reliable SATA SSDs. Consistent performance, excellent long-term reliability data, and Samsung's manufacturing track record.
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