Caldera SN-9858 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN9858-XT · Released 2019 · Updated 2026-10-20
Key facts
| Benchmark index | 7,174 (SSDs scale) |
|---|---|
| Category rank | #28,101 |
| Street price | $129 |
| Power | 5 W (active) |
| Performance per dollar | 55.61 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-9858 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,400 MB/s |
| Sequential write | 1,900 MB/s |
| Random 4K read | 540K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix SN-2911 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,154 | $179 | Compare |
| Strivon SN-4672 Core 500GB SATA 2.5-inch SSD | 4,649 | $49 | Compare |
| Altrix SN-6939 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,371 | $469 | Compare |
| Novexa SN-9497 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,014 | $329 | Compare |
| Novexa SN-3685 Core 2TB PCIe 3.0 NVMe M.2 2280 SSD | 8,037 | $169 | Compare |
| Caldera SN-6189 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,753 | $469 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-9858 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3974759 (accessed 2026-10-20).