Caldera SN-8258 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN8258-XT · Released 2023 · Updated 2026-10-25
Key facts
| Benchmark index | 11,306 (SSDs scale) |
|---|---|
| Category rank | #8,816 |
| Street price | $329 |
| Power | 7 W (active) |
| Performance per dollar | 34.36 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-8258 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,600 MB/s |
| Sequential write | 4,100 MB/s |
| Random 4K read | 1,390K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Heatsink edition available |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Mirenta SN-3611 Edge 2TB PCIe 5.0 NVMe M.2 2280 SSD | 12,250 | $379 | Compare |
| Altrix SN-9601 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,224 | $479 | Compare |
| Mirenta SN-9594 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,124 | $459 | Compare |
| Novexa SN-4566 SE 500GB SATA 2.5-inch SSD | 3,981 | $39 | Compare |
| Altrix SN-1691 Ultra 1TB SATA 2.5-inch SSD | 3,609 | $29 | Compare |
| Caldera SN-1969 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,692 | $339 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-8258 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/33704645 (accessed 2026-10-25).