Caldera SN-8121 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN8121-ULTRA · Released 2025 · Updated 2026-10-21
Key facts
| Benchmark index | 12,107 (SSDs scale) |
|---|---|
| Category rank | #39,873 |
| Street price | $409 |
| Power | 8 W (active) |
| Performance per dollar | 29.60 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-8121 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 14,500 MB/s |
| Sequential write | 12,800 MB/s |
| Random 4K read | 2,140K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | LPDDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Included (recommended for sustained loads) |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Caldera SN-5363 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 13,456 | $439 | Compare |
| Caldera SN-6754 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,368 | $499 | Compare |
| Mirenta SN-5270 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,777 | $489 | Compare |
| Strivon SN-6520 Ti 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,488 | $449 | Compare |
| Novexa SN-3380 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,736 | $229 | Compare |
| Mirenta SN-4773 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,923 | $439 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-8121 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/82944852 (accessed 2026-10-21).