Caldera SN-3191 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN3191-PRIME · Released 2019 · Updated 2026-10-25
Key facts
| Benchmark index | 7,326 (SSDs scale) |
|---|---|
| Category rank | #36,549 |
| Street price | $129 |
| Power | 4 W (active) |
| Performance per dollar | 56.79 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-3191 Prime |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 3,200 MB/s |
| Sequential write | 2,600 MB/s |
| Random 4K read | 460K IOPS |
| NAND | 3D QLC, 218-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 |
|---|---|---|---|
| Altrix SN-8139 Edge 2TB PCIe 3.0 NVMe M.2 2280 SSD | 10,740 | $319 | Compare |
| Novexa SN-4349 XT 500GB SATA 2.5-inch SSD | 3,297 | $29 | Compare |
| Strivon SN-5536 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
| Strivon SN-6032 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,808 | $479 | Compare |
| Strivon SN-8176 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,306 | $399 | Compare |
| Strivon SN-6650 Plus 4TB PCIe 3.0 NVMe M.2 2280 SSD | 13,392 | $549 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-3191 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9738193 (accessed 2026-10-25).