Caldera SN-6640 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6640-PLUS · Released 2026 · Updated 2026-10-25
Key facts
| Benchmark index | 13,364 (SSDs scale) |
|---|---|
| Category rank | #34,753 |
| Street price | $479 |
| Power | 8 W (active) |
| Performance per dollar | 27.90 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6640 Plus |
| Capacity | 8 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4, NVMe 2.0 |
| Sequential read | 11,400 MB/s |
| Sequential write | 8,900 MB/s |
| Random 4K read | 2,530K IOPS |
| NAND | 3D TLC, 232-layer |
| Cache | LPDDR4 DRAM, 8 GB |
| Endurance | 4,800 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 |
|---|---|---|---|
| Altrix SN-9883 Prime 1TB SATA 2.5-inch SSD | 3,143 | $29 | Compare |
| Caldera SN-1151 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,312 | $319 | Compare |
| Novexa SN-4757 Prime 500GB SATA 2.5-inch SSD | 3,869 | $39 | Compare |
| Mirenta SN-1380 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,595 | $399 | Compare |
| Caldera SN-8912 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD | 14,531 | $539 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-6640 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9030846 (accessed 2026-10-25).