Caldera SN-6591 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6591-PRIME · Released 2023 · Updated 2026-10-26
Key facts
| Benchmark index | 11,874 (SSDs scale) |
|---|---|
| Category rank | #3,013 |
| Street price | $379 |
| Power | 5 W (active) |
| Performance per dollar | 31.33 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6591 Prime |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,100 MB/s |
| Sequential write | 5,300 MB/s |
| Random 4K read | 1,350K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 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 |
|---|---|---|---|
| Strivon SN-9450 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,638 | $419 | Compare |
| Novexa SN-5413 Pro 500GB SATA 2.5-inch SSD | 3,327 | $39 | Compare |
| Strivon SN-2927 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,313 | $259 | Compare |
| Novexa SN-9300 Edge 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,530 | $399 | Compare |
| Caldera SN-9851 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,905 | $439 | Compare |
| Strivon SN-9343 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,448 | $549 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6591 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/71754903 (accessed 2026-10-26).