Caldera SN-5221 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5221-XT · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 12,470 (SSDs scale) |
|---|---|
| Category rank | #31,929 |
| Street price | $389 |
| Power | 10 W (active) |
| Performance per dollar | 32.06 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5221 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 14,900 MB/s |
| Sequential write | 11,900 MB/s |
| Random 4K read | 2,200K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | LPDDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Included (recommended for sustained loads) |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Caldera SN-6117 Max 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,744 | $379 | Compare |
| Altrix SN-6157 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,238 | $359 | Compare |
| Caldera SN-6367 SE 500GB SATA 2.5-inch SSD | 3,313 | $39 | Compare |
| Novexa SN-3307 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,758 | $419 | Compare |
| Strivon SN-5807 Plus 500GB SATA 2.5-inch SSD | 3,388 | $39 | Compare |
| Novexa SN-8765 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,426 | $419 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-5221 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/618040 (accessed 2026-10-19).