Caldera SN-8429 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN8429-ULTRA · Released 2021 · Updated 2026-10-19
Key facts
| Benchmark index | 14,868 (SSDs scale) |
|---|---|
| Category rank | #10,796 |
| Street price | $529 |
| Power | 6 W (active) |
| Performance per dollar | 28.11 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-8429 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,900 MB/s |
| Sequential write | 6,600 MB/s |
| Random 4K read | 1,390K IOPS |
| NAND | 3D TLC, 232-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 |
|---|---|---|---|
| Mirenta SN-1058 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD | 5,939 | $79 | Compare |
| Altrix SN-7340 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,447 | $469 | Compare |
| Novexa SN-1831 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,179 | $499 | Compare |
| Caldera SN-6343 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,524 | $349 | Compare |
| Strivon SN-6035 Pro 1TB SATA 2.5-inch SSD | 3,896 | $39 | Compare |
| Novexa SN-2321 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,724 | $449 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-8429 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5489641 (accessed 2026-10-19).