Caldera SN-1891 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1891-EDGE · Released 2022 · Updated 2026-10-20
Key facts
| Benchmark index | 5,435 (SSDs scale) |
|---|---|
| Category rank | #27,792 |
| Street price | $59 |
| Power | 7 W (active) |
| Performance per dollar | 92.12 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1891 Edge |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,300 MB/s |
| Sequential write | 4,800 MB/s |
| Random 4K read | 720K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 360 TBW (0.33 DWPD) |
| Warranty | 3 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-1038 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,846 | $389 | Compare |
| Altrix SN-7727 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,309 | $209 | Compare |
| Caldera SN-2934 Max 2TB PCIe 3.0 NVMe M.2 2280 SSD | 10,150 | $229 | Compare |
| Altrix SN-3473 Max 8TB PCIe 3.0 NVMe M.2 2280 SSD | 13,622 | $499 | Compare |
| Altrix SN-8599 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,366 | $399 | Compare |
| Altrix SN-1392 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,130 | $439 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1891 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4744286 (accessed 2026-10-20).