The X8-2 is sold in modular "racks" to allow for elastic scaling:

This tiering is transparent and adaptive. oracle exadata x82 datasheet

Manageability and Software Features

| Workload | X8M (X8-2) vs Previous Gen (X7) | |----------|----------------------------------| | OLTP I/O latency | ~19 µs (down from ~1 ms) | | Write latency | ~27 µs (with PMEM write-back) | | SQL throughput (OLTP) | Up to 2.5x higher | | Analytics scans | 4x faster (due to PMEM + flash) | | Log file sync waits | Nearly eliminated | The X8-2 is sold in modular "racks" to

Below are the official hardware specifications for a standard rack configuration. Oracle primarily offers two building blocks: the Database Server and the Storage Server . : Capable of up to 350 GB/second per full rack

: Capable of up to 350 GB/second per full rack.