Caldera SN-5921 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5921-PRIME · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 9,194 (SSDs scale) |
|---|---|
| Category rank | #22,261 |
| Street price | $189 |
| Power | 7 W (active) |
| Performance per dollar | 48.65 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5921 Prime |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,300 MB/s |
| Sequential write | 5,900 MB/s |
| Random 4K read | 1,090K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DDR4 DRAM, 1 GB |
| 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-1823 Prime 8TB PCIe 3.0 NVMe M.2 2280 SSD | 13,599 | $429 | Compare |
| Altrix SN-8844 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,163 | $459 | Compare |
| Altrix SN-5392 Max 500GB SATA 2.5-inch SSD | 4,511 | $49 | Compare |
| Strivon SN-4468 Ti 2TB PCIe 4.0 NVMe M.2 2230 SSD | 9,435 | $219 | Compare |
| Novexa SN-6064 Core 2TB PCIe 3.0 NVMe M.2 2280 SSD | 7,166 | $109 | Compare |
| Altrix SN-4354 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,530 | $339 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-5921 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/30032976 (accessed 2026-10-19).