Caldera SN-9891 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN9891-ULTRA · Released 2021 · Updated 2026-10-21
Key facts
| Benchmark index | 9,887 (SSDs scale) |
|---|---|
| Category rank | #38,674 |
| Street price | $259 |
| Power | 8 W (active) |
| Performance per dollar | 38.17 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-9891 Ultra |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,100 MB/s |
| Sequential write | 5,900 MB/s |
| Random 4K read | 1,150K 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 |
|---|---|---|---|
| Caldera SN-4383 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,940 | $549 | Compare |
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| Novexa SN-5813 Max 8TB PCIe 3.0 NVMe M.2 2280 SSD | 12,155 | $409 | Compare |
| Strivon SN-1017 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,895 | $509 | Compare |
| Strivon SN-9238 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,526 | $179 | Compare |
| Strivon SN-7165 Ultra 1TB SATA 2.5-inch SSD | 3,509 | $39 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-9891 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/53663540 (accessed 2026-10-21).