Caldera SN-4393 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4393-ULTRA · Released 2024 · Updated 2026-10-26
Key facts
| Benchmark index | 7,496 (SSDs scale) |
|---|---|
| Category rank | #32,749 |
| Street price | $139 |
| Power | 6 W (active) |
| Performance per dollar | 53.93 |
| Released | 2024 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4393 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,400 MB/s |
| Sequential write | 5,400 MB/s |
| Random 4K read | 1,000K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 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 |
|---|---|---|---|
| Caldera SN-4274 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD | 9,256 | $229 | Compare |
| Mirenta SN-9389 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,752 | $239 | Compare |
| Novexa SN-1104 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,490 | $489 | Compare |
| Novexa SN-8359 Ti 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,686 | $479 | Compare |
| Strivon SN-2258 Pro 500GB SATA 2.5-inch SSD | 3,918 | $39 | Compare |
| Mirenta SN-6316 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,707 | $499 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4393 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/43032919 (accessed 2026-10-26).