Caldera SN-6858 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6858-PRIME · Released 2026 · Updated 2026-10-25
Key facts
| Benchmark index | 6,919 (SSDs scale) |
|---|---|
| Category rank | #922 |
| Street price | $119 |
| Power | 6 W (active) |
| Performance per dollar | 58.14 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6858 Prime |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,200 MB/s |
| Sequential write | 5,000 MB/s |
| Random 4K read | 1,290K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 1,200 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | None |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0
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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-7811 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,390 | $449 | Compare |
| Altrix SN-9263 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,556 | $289 | Compare |
| Altrix SN-4997 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD | 9,892 | $289 | Compare |
| Mirenta SN-2340 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,877 | $269 | Compare |
| Strivon SN-7834 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,662 | $469 | Compare |
| Novexa SN-1205 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,588 | $509 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6858 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3344613 (accessed 2026-10-25).