Caldera SN-9946 Prime 4TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN9946-PRIME · Released 2019 · Updated 2026-10-20
Key facts
| Benchmark index | 10,547 (SSDs scale) |
|---|---|
| Category rank | #35,443 |
| Street price | $289 |
| Power | 6 W (active) |
| Performance per dollar | 36.49 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-9946 Prime |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,900 MB/s |
| Sequential write | 2,700 MB/s |
| Random 4K read | 590K IOPS |
| NAND | 3D TLC, 176-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-1568 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,731 | $519 | Compare |
| Strivon SN-3476 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,239 | $129 | Compare |
| Caldera SN-9735 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,430 | $239 | Compare |
| Novexa SN-5687 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,495 | $529 | Compare |
| Altrix SN-6229 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,777 | $429 | Compare |
| Strivon SN-6499 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,592 | $459 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-9946 Prime 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20087440 (accessed 2026-10-20).