Caldera SN-6641 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6641-SE · Released 2022 · Updated 2026-10-23
Key facts
| Benchmark index | 7,035 (SSDs scale) |
|---|---|
| Category rank | #6,596 |
| Street price | $109 |
| Power | 6 W (active) |
| Performance per dollar | 64.54 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6641 SE |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,100 MB/s |
| Sequential write | 5,800 MB/s |
| Random 4K read | 1,130K IOPS |
| NAND | 3D TLC, 238-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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Mirenta SN-5271 Max 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,890 | $379 | Compare |
| Strivon SN-1502 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD | 14,404 | $589 | Compare |
| Novexa SN-1849 XT 1TB SATA 2.5-inch SSD | 3,621 | $29 | Compare |
| Caldera SN-9038 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,784 | $209 | Compare |
| Caldera SN-2455 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,391 | $539 | Compare |
| Caldera SN-6102 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,359 | $289 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6641 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9702700 (accessed 2026-10-23).