Caldera SN-4628 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD
SSDs · Caldera · SKU SN4628-ULTRA · Released 2020 · Updated 2026-10-20
Key facts
| Benchmark index | 10,413 (SSDs scale) |
|---|---|
| Category rank | #15,130 |
| Street price | $269 |
| Power | 7 W (active) |
| Performance per dollar | 38.71 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4628 Ultra |
| Capacity | 2 TB |
| Form factor | M.2 2230 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,100 MB/s |
| Sequential write | 5,900 MB/s |
| Random 4K read | 1,400K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 2 GB |
| Endurance | 1,200 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
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| Caldera SN-1861 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD | 10,797 | $329 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-4628 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/53318395 (accessed 2026-10-20).