Caldera SN-1840 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1840-PLUS · Released 2019 · Updated 2026-10-26
Key facts
| Benchmark index | 5,793 (SSDs scale) |
|---|---|
| Category rank | #48,974 |
| Street price | $79 |
| Power | 5 W (active) |
| Performance per dollar | 73.33 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1840 Plus |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,800 MB/s |
| Sequential write | 2,400 MB/s |
| Random 4K read | 360K IOPS |
| NAND | 3D QLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 DWPD) |
| Warranty | 3 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 |
|---|---|---|---|
| Altrix SN-2052 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD | 8,966 | $199 | Compare |
| Caldera SN-3217 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,299 | $359 | Compare |
| Strivon SN-4656 Core 4TB PCIe 3.0 NVMe M.2 2280 SSD | 11,452 | $379 | Compare |
| Strivon SN-6303 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD | 6,666 | $119 | Compare |
| Novexa SN-7987 Ti 1TB SATA 2.5-inch SSD | 3,727 | $29 | Compare |
| Caldera SN-2996 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,466 | $369 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1840 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/76793209 (accessed 2026-10-26).