Caldera SN-7643 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7643-PRO · Released 2024 · Updated 2026-10-26
Key facts
| Benchmark index | 5,158 (SSDs scale) |
|---|---|
| Category rank | #43,806 |
| Street price | $59 |
| Power | 8 W (active) |
| Performance per dollar | 87.42 |
| Released | 2024 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7643 Pro |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,600 MB/s |
| Sequential write | 3,700 MB/s |
| Random 4K read | 1,000K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 300 TBW (0.55 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 |
|---|---|---|---|
| Caldera SN-3280 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,498 | $299 | Compare |
| Caldera SN-2301 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD | 7,653 | $119 | Compare |
| Altrix SN-6452 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD | 12,570 | $359 | Compare |
| Novexa SN-4458 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 13,137 | $439 | Compare |
| Strivon SN-8456 Ultra 500GB SATA 2.5-inch SSD | 4,644 | $49 | Compare |
| Strivon SN-7544 Max 1TB SATA 2.5-inch SSD | 3,318 | $39 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-7643 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3081374 (accessed 2026-10-26).