Caldera SN-6189 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6189-XT · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 7,401 (SSDs scale) |
|---|---|
| Category rank | #22,667 |
| Street price | $139 |
| Power | 6 W (active) |
| Performance per dollar | 53.24 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6189 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,000 MB/s |
| Sequential write | 5,200 MB/s |
| Random 4K read | 1,330K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 240 TBW (0.22 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-4634 SE 2TB PCIe 4.0 NVMe M.2 2230 SSD | 6,869 | $119 | Compare |
| Novexa SN-6011 Ultra 2TB PCIe 3.0 NVMe M.2 2280 SSD | 11,387 | $359 | Compare |
| Mirenta SN-4654 Plus 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,811 | $399 | Compare |
| Altrix SN-1277 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD | 7,387 | $109 | Compare |
| Strivon SN-4407 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $519 | Compare |
| Altrix SN-7652 Plus 2TB PCIe 5.0 NVMe M.2 2280 SSD | 10,983 | $289 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6189 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/314159 (accessed 2026-10-19).