Caldera SN-7281 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7281-TI · Released 2023 · Updated 2026-10-23
Key facts
| Benchmark index | 12,861 (SSDs scale) |
|---|---|
| Category rank | #15,763 |
| Street price | $499 |
| Power | 7 W (active) |
| Performance per dollar | 25.77 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7281 Ti |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,500 MB/s |
| Sequential write | 4,900 MB/s |
| Random 4K read | 830K IOPS |
| NAND | 3D TLC, 232-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
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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-9510 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
| Caldera SN-2683 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,133 | $369 | Compare |
| Altrix SN-7491 Max 500GB SATA 2.5-inch SSD | 3,516 | $39 | Compare |
| Altrix SN-5586 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,455 | $599 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-7281 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/96566601 (accessed 2026-10-23).