Caldera SN-3218 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN3218-ULTRA · Released 2019 · Updated 2026-10-26
Key facts
| Benchmark index | 8,035 (SSDs scale) |
|---|---|
| Category rank | #21,498 |
| Street price | $139 |
| Power | 5 W (active) |
| Performance per dollar | 57.81 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-3218 Ultra |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 3,400 MB/s |
| Sequential write | 3,200 MB/s |
| Random 4K read | 560K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 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
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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Strivon SN-6166 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,554 | $519 | Compare |
| Mirenta SN-4623 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD | 6,181 | $109 | Compare |
| Mirenta SN-9592 Plus 1TB SATA 2.5-inch SSD | 4,183 | $39 | Compare |
| Novexa SN-2043 Edge 1TB PCIe 3.0 NVMe M.2 2280 SSD | 6,542 | $109 | Compare |
| Altrix SN-5272 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,809 | $519 | Compare |
| Caldera SN-6381 Ti 4TB PCIe 3.0 NVMe M.2 2280 SSD | 10,394 | $299 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-3218 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/46431889 (accessed 2026-10-26).