Oracle Exadata X82 Datasheet [ 2026 Update ]

A: HC uses spinning disk for cold data and flash for cache (cheap for archiving). EF uses all NVMe flash for hot data (faster, but more expensive per TB).

| Feature | X7 (previous gen) | X8M (X8-2) | X9M (later) | |---------|------------------|------------|-------------| | Network | 100Gb InfiniBand | 100Gb RoCE | 100Gb RoCE | | PMEM support | No | Yes (Optane) | Yes (faster) | | Max DRAM per DB server | 768 GB | 1.5 TB | 3 TB | | Max NVMe flash per storage server | 6.4 TB | 51.2 TB | 102 TB | | Write latency | ~300 µs | ~27 µs | ~19 µs | oracle exadata x82 datasheet

A: Not recommended. Oracle requires homogeneous cells and servers for full support, though staged upgrades exist. A: HC uses spinning disk for cold data

| Model | DB Servers | Storage Servers | Usable Flash (after mirror) | Max PMEM | |-------|------------|----------------|----------------------------|----------| | Eighth Rack | 2 | 3 | ~19 TB | 13.5 TB | | Quarter Rack | 2 | 3 | ~19 TB | 13.5 TB | | Half Rack | 4 | 6 | ~38 TB | 27 TB | | Full Rack | 8 | 12 | ~76 TB | 54 TB | | Multi-rack | 8n | 12n | scales linearly | linear | A: Not recommended

PMEM is optional and requires Oracle Linux 8+