Caldera SN-6403 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6403-MAX · Released 2021 · Updated 2026-10-23
Key facts
| Benchmark index | 7,356 (SSDs scale) |
|---|---|
| Category rank | #17,368 |
| Street price | $119 |
| Power | 8 W (active) |
| Performance per dollar | 61.82 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6403 Max |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,400 MB/s |
| Sequential write | 4,100 MB/s |
| Random 4K read | 750K IOPS |
| NAND | 3D QLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 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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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-1199 XT 500GB SATA 2.5-inch SSD | 3,806 | $39 | Compare |
| Novexa SN-6014 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,600 | $199 | Compare |
| Caldera SN-9002 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,553 | $359 | Compare |
| Caldera SN-1209 Core 500GB SATA 2.5-inch SSD | 4,284 | $39 | Compare |
| Novexa SN-1460 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,779 | $419 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-6403 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7543124 (accessed 2026-10-23).