Caldera SN-6659 XT 500GB SATA 2.5-inch SSD
SSDs · Caldera · SKU SN6659-XT · Released 2019 · Updated 2026-10-20
Key facts
| Benchmark index | 3,149 (SSDs scale) |
|---|---|
| Category rank | #6,862 |
| Street price | $39 |
| Power | 3 W (active) |
| Performance per dollar | 80.74 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-6659 XT |
| Capacity | 500 GB |
| Form factor | 2.5" SATA (7 mm) |
| Interface | SATA 6 Gb/s (AHCI) |
| Sequential read | 550 MB/s |
| Sequential write | 520 MB/s |
| Random 4K read | 98K IOPS |
| NAND | 3D TLC, 176-layer |
| Cache | DRAM-less (SLC cache) |
| Endurance | 300 TBW (0.55 DWPD) |
| Warranty | 3 years |
| Heatsink | Heatsink edition available |
Related guides
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Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Caldera SN-5644 Ultra 2TB PCIe 3.0 NVMe M.2 2280 SSD | 11,605 | $379 | Compare |
| Novexa SN-8995 Pro 8TB PCIe 3.0 NVMe M.2 2280 SSD | 13,346 | $479 | Compare |
| Mirenta SN-5390 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,663 | $459 | Compare |
| Novexa SN-4375 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD | 11,467 | $329 | Compare |
| Caldera SN-1369 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,229 | $459 | Compare |
| Caldera SN-1108 Ti 2TB PCIe 3.0 NVMe M.2 2280 SSD | 11,074 | $309 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-6659 XT 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/5705669 (accessed 2026-10-20).