Caldera SN-6649 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN6649-CORE · Released 2022 · Updated 2026-10-20
Key facts
| Benchmark index | 7,552 (SSDs scale) |
|---|---|
| Category rank | #39,471 |
| Street price | $149 |
| Power | 5 W (active) |
| Performance per dollar | 50.68 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6649 Core |
| Capacity | 2 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,100 MB/s |
| Sequential write | 4,600 MB/s |
| Random 4K read | 770K IOPS |
| NAND | 3D QLC, 238-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 480 TBW (0.22 DWPD) |
| Warranty | 3 years |
| Heatsink | Heatsink edition available |
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-6636 Ti 500GB SATA 2.5-inch SSD | 3,833 | $39 | Compare |
| Altrix SN-4094 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD | 5,630 | $69 | Compare |
| Mirenta SN-8680 Ti 2TB PCIe 4.0 NVMe M.2 2230 SSD | 13,084 | $489 | Compare |
| Altrix SN-7399 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 12,436 | $369 | Compare |
| Caldera SN-5289 XT 1TB SATA 2.5-inch SSD | 3,613 | $39 | Compare |
| Novexa SN-4268 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 8,671 | $219 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6649 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20070067 (accessed 2026-10-20).