Caldera SN-1903 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN1903-PRIME · Released 2022 · Updated 2026-10-21
Key facts
| Benchmark index | 14,317 (SSDs scale) |
|---|---|
| Category rank | #6,487 |
| Street price | $539 |
| Power | 8 W (active) |
| Performance per dollar | 26.56 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-1903 Prime |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,300 MB/s |
| Sequential write | 5,300 MB/s |
| Random 4K read | 1,170K IOPS |
| NAND | 3D TLC, 238-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 |
|---|---|---|---|
| Strivon SN-7682 SE 1TB SATA 2.5-inch SSD | 3,077 | $39 | Compare |
| Caldera SN-3698 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,267 | $289 | Compare |
| Altrix SN-1919 Pro 500GB SATA 2.5-inch SSD | 3,817 | $39 | Compare |
| Caldera SN-5521 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,742 | $379 | Compare |
| Altrix SN-5653 XT 2TB PCIe 3.0 NVMe M.2 2280 SSD | 8,844 | $209 | Compare |
| Strivon SN-9365 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,836 | $489 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-1903 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4133822 (accessed 2026-10-21).