Caldera SN-7841 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7841-ULTRA · Released 2020 · Updated 2026-10-26
Key facts
| Benchmark index | 7,743 (SSDs scale) |
|---|---|
| Category rank | #49,965 |
| Street price | $159 |
| Power | 8 W (active) |
| Performance per dollar | 48.70 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7841 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,300 MB/s |
| Sequential write | 5,900 MB/s |
| Random 4K read | 1,280K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 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 |
|---|---|---|---|
| Strivon SN-6618 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,738 | $449 | Compare |
| Mirenta SN-1176 Prime 1TB SATA 2.5-inch SSD | 4,048 | $39 | Compare |
| Altrix SN-3028 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,387 | $409 | Compare |
| Altrix SN-8126 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,178 | $319 | Compare |
| Novexa SN-3915 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,605 | $439 | Compare |
| Caldera SN-8918 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,507 | $329 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7841 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3467454 (accessed 2026-10-26).