Caldera SN-6457 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6457-ULTRA · Released 2023 · Updated 2026-10-23
Key facts
| Benchmark index | 7,378 (SSDs scale) |
|---|---|
| Category rank | #46,490 |
| Street price | $139 |
| Power | 5 W (active) |
| Performance per dollar | 53.08 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6457 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 5,800 MB/s |
| Random 4K read | 1,150K IOPS |
| NAND | 3D QLC, 218-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 |
|---|---|---|---|
| Caldera SN-5350 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,708 | $359 | Compare |
| Strivon SN-9528 SE 4TB PCIe 3.0 NVMe M.2 2280 SSD | 13,148 | $499 | Compare |
| Mirenta SN-5285 Max 500GB SATA 2.5-inch SSD | 3,405 | $29 | Compare |
| Novexa SN-6206 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,631 | $539 | Compare |
| Caldera SN-4581 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,557 | $479 | Compare |
| Mirenta SN-6361 SE 500GB SATA 2.5-inch SSD | 4,621 | $49 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6457 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/533838 (accessed 2026-10-23).