Caldera SN-4556 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4556-MAX · Released 2025 · Updated 2026-10-21
Key facts
| Benchmark index | 8,204 (SSDs scale) |
|---|---|
| Category rank | #8,923 |
| Street price | $199 |
| Power | 5 W (active) |
| Performance per dollar | 41.23 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4556 Max |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,300 MB/s |
| Sequential write | 5,000 MB/s |
| Random 4K read | 1,100K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 2 GB |
| 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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| Caldera SN-1879 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,146 | $279 | Compare |
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| Novexa SN-8544 XT 500GB SATA 2.5-inch SSD | 3,784 | $29 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-4556 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/13474355 (accessed 2026-10-21).