Caldera SN-7849 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7849-ULTRA · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 13,550 (SSDs scale) |
|---|---|
| Category rank | #49,087 |
| Street price | $569 |
| Power | 11 W (active) |
| Performance per dollar | 23.81 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7849 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 11,900 MB/s |
| Sequential write | 11,400 MB/s |
| Random 4K read | 2,440K IOPS |
| NAND | 3D TLC, 238-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 |
|---|---|---|---|
| Caldera SN-7168 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,085 | $379 | Compare |
| Strivon SN-8257 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,120 | $209 | Compare |
| Altrix SN-2735 Ti 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,687 | $379 | Compare |
| Altrix SN-9549 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,603 | $399 | Compare |
| Novexa SN-7978 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,297 | $289 | Compare |
| Caldera SN-3144 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,161 | $109 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7849 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/500487 (accessed 2026-10-19).