AMD RYZEN 9 3950X ---------------------------------- disk-bench.sh ---------------------------------- Benchmark summary of local NVMe and SATA SSD performance for VPS hosting ----------------------------------------------------------------------------------- Version : v2025.06.27 Node Location : [DALLAS] Hostname : amd3950x.local Benchmark Duration : 30 seconds per test (per disk) ----------------------------------------------------------------------------------- NVMe Benchmark – Sequential Read (1MB Blocks) ----------------------------------------------------------------------------------- Disk : /dev/nvme0n1 (Samsung 970 EVO Plus) Read Speed : 1673 MiB/s (≈1754 MB/s) IOPS : 1673 Avg Latency : 597 μs Disk Utilization : 97.51 % Disk : /dev/nvme1n1 (Samsung 970 EVO Plus) Read Speed : 1697 MiB/s (≈1779 MB/s) IOPS : 1697 Avg Latency : 589 μs Disk Utilization : 97.75 % ----------------------------------------------------------------------------------- NVMe Benchmark – Random Read (4K Blocks, 4 Threads) ----------------------------------------------------------------------------------- Disk : /dev/nvme0n1 Read Speed : 702 MiB/s (≈736 MB/s) IOPS : 180,000 Avg Latency : 21.9 μs Disk Utilization : 99.63 % Disk : /dev/nvme1n1 Read Speed : 771 MiB/s (≈808 MB/s) IOPS : 197,000 Avg Latency : 19.9 μs Disk Utilization : 99.63 % ----------------------------------------------------------------------------------- SATA SSD Benchmark – Sequential Read (1MB Blocks) ----------------------------------------------------------------------------------- Disk : /dev/sdb (Crucial MX500 1TB) Read Speed : 523 MiB/s (≈548 MB/s) IOPS : 522 Avg Latency : 1.91 ms Disk Utilization : 99.25 % Disk : /dev/sdc (Crucial MX500 1TB) Read Speed : 514 MiB/s (≈539 MB/s) IOPS : 513 Avg Latency : 1.94 ms Disk Utilization : 98.20 % Disk : /dev/sdd (Crucial MX500 1TB) Read Speed : 517 MiB/s (≈542 MB/s) IOPS : 517 Avg Latency : 1.93 ms Disk Utilization : 97.83 % ----------------------------------------------------------------------------------- Summary ----------------------------------------------------------------------------------- • NVMe drives deliver outstanding IOPS and ultra-low latency, ideal for high I/O workloads. • SATA SSDs perform near maximum SATA3 throughput, excellent for standard VPS usage. • All disks tested under load with `fio`, using direct raw access (no filesystem). ----------------------------------------------------------------------------------- Benchmark Tool : fio v3.35 Test Engine : psync Test Mode : Direct Read (non-destructive) Node Purpose : KVM VPS Hosting (VirtFusion) -----------------------------------------------------------------------------------