Caldera SN-6521 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6521-CORE · Released 2023 · Updated 2026-10-25
Key facts
| Benchmark index | 6,837 (SSDs scale) |
|---|---|
| Category rank | #19,998 |
| Street price | $89 |
| Power | 6 W (active) |
| Performance per dollar | 76.82 |
| Released | 2023 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6521 Core |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,300 MB/s |
| Sequential write | 5,200 MB/s |
| Random 4K read | 720K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 360 TBW (0.33 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 |
|---|---|---|---|
| Strivon SN-8538 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD | 10,382 | $289 | Compare |
| Caldera SN-1712 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD | 9,599 | $239 | Compare |
| Strivon SN-2566 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,477 | $359 | Compare |
| Altrix SN-9069 SE 500GB SATA 2.5-inch SSD | 4,286 | $49 | Compare |
| Novexa SN-8063 Prime 1TB SATA 2.5-inch SSD | 4,492 | $49 | Compare |
| Caldera SN-4439 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,922 | $539 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6521 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/87724729 (accessed 2026-10-25).