Caldera SN-4551 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4551-PRO · Released 2026 · Updated 2026-10-24
Key facts
| Benchmark index | 6,304 (SSDs scale) |
|---|---|
| Category rank | #27,893 |
| Street price | $89 |
| Power | 6 W (active) |
| Performance per dollar | 70.83 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4551 Pro |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,200 MB/s |
| Sequential write | 6,000 MB/s |
| Random 4K read | 770K IOPS |
| NAND | 3D QLC, 232-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-9479 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,362 | $279 | Compare |
| Altrix SN-6362 Ultra 500GB SATA 2.5-inch SSD | 4,386 | $49 | Compare |
| Caldera SN-2599 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,045 | $569 | Compare |
| Mirenta SN-4049 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,157 | $329 | Compare |
| Novexa SN-8393 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD | 10,034 | $249 | Compare |
| Mirenta SN-4871 Max 2TB PCIe 5.0 NVMe M.2 2280 SSD | 11,338 | $319 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4551 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9430261 (accessed 2026-10-24).