Caldera SN-4678 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4678-PLUS · Released 2023 · Updated 2026-10-22
Key facts
| Benchmark index | 10,514 (SSDs scale) |
|---|---|
| Category rank | #27,443 |
| Street price | $289 |
| Power | 6 W (active) |
| Performance per dollar | 36.38 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4678 Plus |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,400 MB/s |
| Sequential write | 4,400 MB/s |
| Random 4K read | 1,050K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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 |
|---|---|---|---|
| Strivon SN-5250 Ti 4TB PCIe 3.0 NVMe M.2 2280 SSD | 13,774 | $539 | Compare |
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| Mirenta SN-9111 SE 500GB SATA 2.5-inch SSD | 4,272 | $49 | Compare |
| Altrix SN-7409 Max 1TB SATA 2.5-inch SSD | 4,134 | $49 | Compare |
| Caldera SN-4553 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD | 11,425 | $399 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-4678 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4335764 (accessed 2026-10-22).