Caldera SN-2521 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN2521-PRIME · Released 2020 · Updated 2026-10-23
Key facts
| Benchmark index | 7,439 (SSDs scale) |
|---|---|
| Category rank | #30,110 |
| Street price | $169 |
| Power | 8 W (active) |
| Performance per dollar | 44.02 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-2521 Prime |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,200 MB/s |
| Sequential write | 4,400 MB/s |
| Random 4K read | 930K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Heatsink edition available |
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 |
|---|---|---|---|
| Altrix SN-7905 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,527 | $369 | Compare |
| Novexa SN-7960 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,837 | $409 | Compare |
| Novexa SN-9020 SE 500GB SATA 2.5-inch SSD | 3,430 | $39 | Compare |
| Novexa SN-2641 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,663 | $349 | Compare |
| Novexa SN-9689 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD | 11,646 | $379 | Compare |
| Caldera SN-6144 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,222 | $149 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-2521 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/19680041 (accessed 2026-10-23).