Caldera SN-5399 Ultra 1TB SATA 2.5-inch SSD
SSDs · Caldera · SKU SN5399-ULTRA · Released 2023 · Updated 2026-10-20
Key facts
| Benchmark index | 4,522 (SSDs scale) |
|---|---|
| Category rank | #47,947 |
| Street price | $49 |
| Power | 3 W (active) |
| Performance per dollar | 92.29 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5399 Ultra |
| Capacity | 1 TB |
| Form factor | 2.5" SATA (7 mm) |
| Interface | SATA 6 Gb/s (AHCI) |
| Sequential read | 550 MB/s |
| Sequential write | 520 MB/s |
| Random 4K read | 98K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (SLC cache) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 years |
| Heatsink | Heatsink edition available |
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Cite this page: Hardware Spec Index, “Caldera SN-5399 Ultra 1TB SATA 2.5-inch SSD”, https://vextor7.com/item/1554471 (accessed 2026-10-20).