Caldera SN-4966 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4966-ULTRA · Released 2021 · Updated 2026-10-23
Key facts
| Benchmark index | 12,221 (SSDs scale) |
|---|---|
| Category rank | #33,621 |
| Street price | $439 |
| Power | 5 W (active) |
| Performance per dollar | 27.84 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4966 Ultra |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,200 MB/s |
| Sequential write | 6,800 MB/s |
| Random 4K read | 1,140K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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 |
|---|---|---|---|
| Mirenta SN-6738 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,374 | $289 | Compare |
| Mirenta SN-1536 Ti 8TB PCIe 3.0 NVMe M.2 2280 SSD | 12,816 | $449 | Compare |
| Novexa SN-2661 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,373 | $329 | Compare |
| Caldera SN-1327 XT 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,593 | $349 | Compare |
| Mirenta SN-4912 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD | 9,390 | $239 | Compare |
| Novexa SN-6707 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD | 9,566 | $229 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4966 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6604827 (accessed 2026-10-23).