Caldera SN-4640 Max 1TB PCIe 4.0 NVMe M.2 2230 SSD
SSDs · Caldera · SKU SN4640-MAX · Released 2026 · Updated 2026-10-25
Key facts
| Benchmark index | 6,995 (SSDs scale) |
|---|---|
| Category rank | #41,263 |
| Street price | $139 |
| Power | 5 W (active) |
| Performance per dollar | 50.32 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4640 Max |
| Capacity | 1 TB |
| Form factor | M.2 2230 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,900 MB/s |
| Sequential write | 6,200 MB/s |
| Random 4K read | 1,240K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 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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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Mirenta SN-1239 Pro 500GB SATA 2.5-inch SSD | 4,288 | $39 | Compare |
| Caldera SN-2102 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,000 | $399 | Compare |
| Strivon SN-2751 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD | 13,057 | $529 | Compare |
| Strivon SN-4717 Edge 500GB SATA 2.5-inch SSD | 4,279 | $39 | Compare |
| Caldera SN-6581 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,452 | $349 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-4640 Max 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/7614140 (accessed 2026-10-25).