Caldera SN-9451 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN9451-XT · Released 2025 · Updated 2026-10-20
Key facts
| Benchmark index | 7,508 (SSDs scale) |
|---|---|
| Category rank | #5,216 |
| Street price | $119 |
| Power | 6 W (active) |
| Performance per dollar | 63.09 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-9451 XT |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,900 MB/s |
| Sequential write | 5,000 MB/s |
| Random 4K read | 740K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 1,200 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
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| Novexa SN-8650 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,480 | $469 | Compare |
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| Caldera SN-3482 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,406 | $289 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-9451 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20149445 (accessed 2026-10-20).