Dell Compellent SC4020 vs Pure Storage FlashArray //FA-450
Side-by-side specifications from the vendors' own documents. The Dell Storage SC4020, from the Compellent line, is a 2U array with two storage controllers and up to 24 internal 2.5-inch SAS drives. The Pure Storage FlashArray //FA-450 was the high-end model of the FA-400 series, delivering up to 200,000 IOPS and sub-millisecond response times for large database consolidation.
| Dell Compellent SC4020 | Pure Storage FlashArray //FA-450 | |
|---|---|---|
| Brand | Dell | Pure Storage |
| Status | unknown | end-of-support |
| Released | — | May 2014 |
| Form factor | 2U rack | 2U rack |
| Controller configuration | Two hot-swappable storage controllers | Dual controllers in 2U enclosure with external flash shelves |
| Drive bays | 7 to 24 internal 2.5-inch hot-swappable 6Gbps SAS drives | — |
| Expansion | Up to 14 SC200 or 7 SC220 expansion enclosures, up to 192 drives in one redundant SAS chain; up to two SC280 enclosures per the owner manual | — |
| Host connectivity | Per controller: two 16Gb Fibre Channel, four 8Gb Fibre Channel, two 10Gb iSCSI or four 12Gb SAS ports | — |
| Management | Dell Storage Manager Client, Storage Center OS | Purity GUI and CLI |
| Power supply | Two redundant 580W power supply and cooling fan modules | — |
| Operating system | — | Pure Storage Purity//FA 4.x |
| Raw capacity | — | Up to 70TB raw |
| Effective capacity | — | Up to 250TB effective |
| Drive media | — | 6Gb SAS SSDs |
| Connectivity | — | 16Gb/8Gb FC, 10GbE iSCSI |
| Data reduction | — | Inline deduplication and compression |
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