Caldera SN-1991 Edge 1TB SATA 2.5-inch SSD
SSDs · Caldera · SKU SN1991-EDGE · Released 2023 · Updated 2026-10-21
Key facts
| Benchmark index | 3,420 (SSDs scale) |
|---|---|
| Category rank | #3,259 |
| Street price | $39 |
| Power | 3 W (active) |
| Performance per dollar | 87.69 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1991 Edge |
| 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 TLC, 176-layer |
| Cache | DRAM-less (SLC cache) |
| Endurance | 600 TBW (0.55 DWPD) |
| Warranty | 3 years |
| Heatsink | None |
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Cite this page: Hardware Spec Index, “Caldera SN-1991 Edge 1TB SATA 2.5-inch SSD”, https://vextor7.com/item/894766 (accessed 2026-10-21).