Caldera SN-5991 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5991-SE · Released 2026 · Updated 2026-10-21
Key facts
| Benchmark index | 12,328 (SSDs scale) |
|---|---|
| Category rank | #43,401 |
| Street price | $399 |
| Power | 11 W (active) |
| Performance per dollar | 30.90 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5991 SE |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 10,400 MB/s |
| Sequential write | 8,300 MB/s |
| Random 4K read | 1,400K IOPS |
| NAND | 3D TLC, 218-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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix SN-1684 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,532 | $189 | Compare |
| Strivon SN-7764 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,107 | $309 | Compare |
| Mirenta SN-7046 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,250 | $339 | Compare |
| Altrix SN-2600 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,184 | $379 | Compare |
| Mirenta SN-6742 Max 500GB SATA 2.5-inch SSD | 3,037 | $39 | Compare |
| Caldera SN-9665 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,873 | $429 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-5991 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4090580 (accessed 2026-10-21).