Pure Storage FlashArray //C90 R4
The Pure Storage FlashArray //C90 R4 is the high-capacity premier system of the FlashArray //C family, scaling up to 8.9PB of effective all-flash storage in enterprise data centers. Operating on Purity//FA and utilizing 75TB DirectFlash QLC modules, it enables complete disk elimination for secondary databases and unstructured workloads.
Specifications
| Brand | Pure Storage |
|---|---|
| Family | FlashArray //C |
| Form factor | 3U rack |
| Released | Jun 2023 |
| Controller configuration | Dual active-active controllers in 3U enclosure |
| Processor | Dual Intel Xeon Scalable processors per controller (PCIe Gen 4) |
| Operating system | Pure Storage Purity//FA |
| Raw capacity | Up to 2.7PB raw with expansion shelves |
| Effective capacity | Up to 8.9PB effective with data reduction |
| Drive media | NVMe DirectFlash QLC Modules (DFMs: 24.7TB, 49TB, 75TB) |
| Connectivity | 64Gb/32Gb FC, 100GbE/25GbE/10GbE iSCSI, and NVMe-oF |
| Data reduction | Inline deduplication and compression |
| Management | Pure1 AI-powered management |
Generations
- Previous generation: Pure Storage FlashArray //C60
Check compatibility with Pure Storage
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Pure Storage has tested with the Pure Storage FlashArray //C90 R4.
- Compatibility Pure Storage compatibility matrix (free vendor sign-in)
- Support Pure Storage Support
Equivalent models from other brands
FAQ
What maximum effective capacity does the //C90 R4 provide?
The //C90 R4 scales up to 8.9PB effective capacity using high-density 75TB QLC DirectFlash Modules.
Can the //C90 R4 replace spinning disk arrays?
Yes, it delivers all-flash reliability and power savings at price points comparable to hybrid and disk arrays.
Buying or selling FlashArray //C90 R4?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Pure Storage FlashArray //C Specifications, checked 2026-10-28
- Pure Storage Documentation - //C R4 Generation, checked 2026-10-28