Caldera SN-4256 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4256-XT · Released 2024 · Updated 2026-10-22
Key facts
| Benchmark index | 11,700 (SSDs scale) |
|---|---|
| Category rank | #25,727 |
| Street price | $329 |
| Power | 9 W (active) |
| Performance per dollar | 35.56 |
| Released | 2024 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4256 XT |
| Capacity | 4 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 10,100 MB/s |
| Sequential write | 9,800 MB/s |
| Random 4K read | 2,540K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | LPDDR4 DRAM, 4 GB |
| Endurance | 2,400 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | Included (recommended for sustained loads) |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-3658 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 6,924 | $119 | Compare |
| Strivon SN-9108 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,293 | $499 | Compare |
| Novexa SN-1397 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD | 14,363 | $579 | Compare |
| Altrix SN-9222 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,413 | $599 | Compare |
| Strivon SN-3702 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,698 | $349 | Compare |
| Altrix SN-9218 Pro 1TB SATA 2.5-inch SSD | 3,613 | $39 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4256 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2560428 (accessed 2026-10-22).