Caldera SN-6459 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6459-XT · Released 2023 · Updated 2026-10-21
Key facts
| Benchmark index | 14,900 (SSDs scale) |
|---|---|
| Category rank | #29,504 |
| Street price | $589 |
| Power | 6 W (active) |
| Performance per dollar | 25.30 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6459 XT |
| Capacity | 8 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,300 MB/s |
| Sequential write | 4,200 MB/s |
| Random 4K read | 1,140K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DDR4 DRAM, 8 GB |
| Endurance | 4,800 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 |
|---|---|---|---|
| Novexa SN-7946 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,909 | $189 | Compare |
| Strivon SN-4877 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,860 | $179 | Compare |
| Altrix SN-5183 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,899 | $309 | Compare |
| Novexa SN-4627 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,465 | $559 | Compare |
| Altrix SN-3544 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,631 | $429 | Compare |
| Novexa SN-8101 Ti 500GB SATA 2.5-inch SSD | 3,979 | $39 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6459 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1362519 (accessed 2026-10-21).