Compare Storage
Share Comparison
| Storage |  $79499 |  $79399 |
|---|---|---|
Capacity Gb | 18000 | 4000 |
Capacity | 18 TB | 4 TB |
Form Factor | 3.5" | M.2 2280 |
Disk RPM | 7200 RPM | - |
Heatsink | No | Yes |
Bus | SATA Gen 3 | M.2 PCIe 4.0 x4 |
NVMe | No | Yes |
PCIe Standard | N/A | PCIe 4.0 |
Random I/O per Second (Read) | - | 1,400,000 |
Random I/O per Second (Write) | - | 1,550,000 |
SATA Speed | 6 Gb/s | - |
Sequential Read Speed | - | 7,450 MB/s |
Sequential Write Speed | - | 6,900 MB/s |
Storage Type | Mechanical Disk | Solid State Disk |
Part Number | WD181PURP | MZ-V9P4T0CW |
Comparison Analysis
Comparing the WD Purple Pro vs 990 PRO reveals distinct differences in their targeted use cases.
Both components are priced similarly, making the choice dependent on specific features rather than budget.