Caldera SN-3931 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN3931-ULTRA · Released 2026 · Updated 2026-10-19
Key facts
| Benchmark index | 11,819 (SSDs scale) |
|---|---|
| Category rank | #11,575 |
| Street price | $349 |
| Power | 9 W (active) |
| Performance per dollar | 33.87 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-3931 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 12,600 MB/s |
| Sequential write | 10,300 MB/s |
| Random 4K read | 1,660K 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 |
|---|---|---|---|
| Strivon SN-6461 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,288 | $199 | Compare |
| Strivon SN-8989 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD | 10,886 | $259 | Compare |
| Caldera SN-6287 Ti 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,627 | $439 | Compare |
| Mirenta SN-7327 Pro 1TB SATA 2.5-inch SSD | 3,814 | $29 | Compare |
| Strivon SN-3041 Max 2TB PCIe 3.0 NVMe M.2 2280 SSD | 10,654 | $329 | Compare |
| Strivon SN-4980 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-3931 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/89178070 (accessed 2026-10-19).