Caldera SN-2946 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN2946-PRIME · Released 2020 · Updated 2026-10-20
Key facts
| Benchmark index | 14,900 (SSDs scale) |
|---|---|
| Category rank | #15,547 |
| Street price | $559 |
| Power | 7 W (active) |
| Performance per dollar | 26.65 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-2946 Prime |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,700 MB/s |
| Sequential write | 4,700 MB/s |
| Random 4K read | 810K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 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-1125 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,230 | $319 | Compare |
| Altrix SN-8762 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,785 | $289 | Compare |
| Altrix SN-8525 Ti 1TB SATA 2.5-inch SSD | 3,937 | $39 | Compare |
| Caldera SN-6935 SE 500GB SATA 2.5-inch SSD | 4,454 | $39 | Compare |
| Caldera SN-9970 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,625 | $299 | Compare |
| Novexa SN-9278 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,175 | $569 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-2946 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4155255 (accessed 2026-10-20).