Caldera SN-5477 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5477-SE · Released 2020 · Updated 2026-10-19
Key facts
| Benchmark index | 7,383 (SSDs scale) |
|---|---|
| Category rank | #23,755 |
| Street price | $129 |
| Power | 5 W (active) |
| Performance per dollar | 57.23 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5477 SE |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 4,900 MB/s |
| Sequential write | 4,100 MB/s |
| Random 4K read | 780K IOPS |
| NAND | 3D QLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 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-7715 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,883 | $199 | Compare |
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| Caldera SN-9515 Ti 500GB SATA 2.5-inch SSD | 4,337 | $39 | Compare |
| Altrix SN-4171 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD | 10,916 | $329 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-5477 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41677508 (accessed 2026-10-19).