Caldera SN-8663 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN8663-XT · Released 2025 · Updated 2026-10-25
Key facts
| Benchmark index | 7,039 (SSDs scale) |
|---|---|
| Category rank | #16,145 |
| Street price | $129 |
| Power | 7 W (active) |
| Performance per dollar | 54.57 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-8663 XT |
| Capacity | 1 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 6,300 MB/s |
| Sequential write | 6,000 MB/s |
| Random 4K read | 760K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 600 TBW (0.33 DWPD) |
| Warranty | 5 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-1656 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD | 12,094 | $459 | Compare |
| Novexa SN-3789 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 9,413 | $219 | Compare |
| Novexa SN-6583 Plus 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,753 | $509 | Compare |
| Caldera SN-6951 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD | 11,074 | $309 | Compare |
| Altrix SN-2391 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD | 11,092 | $329 | Compare |
| Caldera SN-1524 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,900 | $599 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-8663 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/21917378 (accessed 2026-10-25).