Caldera SN-2639 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN2639-ULTRA · Released 2020 · Updated 2026-10-18
Key facts
| Benchmark index | 11,764 (SSDs scale) |
|---|---|
| Category rank | #27,860 |
| Street price | $329 |
| Power | 6 W (active) |
| Performance per dollar | 35.76 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-2639 Ultra |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 6,900 MB/s |
| Random 4K read | 1,380K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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 |
|---|---|---|---|
| Mirenta SN-1577 XT 500GB SATA 2.5-inch SSD | 3,618 | $39 | Compare |
| Strivon SN-3396 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,837 | $449 | Compare |
| Altrix SN-4801 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,496 | $349 | Compare |
| Altrix SN-4424 Ultra 1TB SATA 2.5-inch SSD | 4,478 | $49 | Compare |
| Altrix SN-3904 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,285 | $269 | Compare |
| Strivon SN-9275 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 7,879 | $159 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-2639 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/498239 (accessed 2026-10-18).