Caldera SN-1976 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1976-PRO · Released 2025 · Updated 2026-10-21
Key facts
| Benchmark index | 10,946 (SSDs scale) |
|---|---|
| Category rank | #26,071 |
| Street price | $339 |
| Power | 11 W (active) |
| Performance per dollar | 32.29 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1976 Pro |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 10,900 MB/s |
| Sequential write | 8,000 MB/s |
| Random 4K read | 2,620K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | LPDDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Included (recommended for sustained loads) |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0
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| Strivon SN-2442 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,192 | $379 | Compare |
| Caldera SN-2196 Max 1TB SATA 2.5-inch SSD | 4,258 | $39 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-1976 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3487637 (accessed 2026-10-21).