Caldera SN-8439 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN8439-XT · Released 2019 · Updated 2026-10-27
Key facts
| Benchmark index | 8,048 (SSDs scale) |
|---|---|
| Category rank | #47,890 |
| Street price | $179 |
| Power | 5 W (active) |
| Performance per dollar | 44.96 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-8439 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,800 MB/s |
| Sequential write | 2,300 MB/s |
| Random 4K read | 600K 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 |
|---|---|---|---|
| Caldera SN-9279 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,278 | $389 | Compare |
| Caldera SN-9832 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,370 | $549 | Compare |
| Altrix SN-8290 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,586 | $169 | Compare |
| Caldera SN-5968 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,370 | $189 | Compare |
| Caldera SN-5091 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,495 | $379 | Compare |
| Strivon SN-1959 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,781 | $589 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-8439 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/71757889 (accessed 2026-10-27).