Caldera SN-4021 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4021-PRO · Released 2026 · Updated 2026-10-21
Key facts
| Benchmark index | 6,033 (SSDs scale) |
|---|---|
| Category rank | #3,640 |
| Street price | $89 |
| Power | 7 W (active) |
| Performance per dollar | 67.79 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4021 Pro |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,600 MB/s |
| Sequential write | 5,300 MB/s |
| Random 4K read | 1,090K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 200 TBW (0.18 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-1192 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,167 | $579 | Compare |
| Caldera SN-2636 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,111 | $439 | Compare |
| Altrix SN-7547 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,026 | $489 | Compare |
| Mirenta SN-9382 Edge 1TB SATA 2.5-inch SSD | 3,765 | $39 | Compare |
| Caldera SN-5432 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,517 | $229 | Compare |
| Caldera SN-1099 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,852 | $399 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4021 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3346730 (accessed 2026-10-21).