r5dn.12xlarge by Amazon Web Services


Bandwidth testing are conducted with local and block storages attached to the instance. We use the well-known open-source tool FIO. To express bandwidth the following parameters are used:

  • 1M block
  • Sequential access
  • No filesystem (except for write access with root volume)
  • Avoidance of cache and buffer
Specifications:
CPU
48
RAM
384.0 GB
Extra
2x 900 GB NVMe SSD
Net
50000 Mbps

r5dn.12xlarge NVMe SSD

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Read Write
Max 12394 12395
Average 12369 12381
Deviation 19.97 14.10
Min 12334 12342