Minimum Requirements: Thinkorswim

| Storage Type | Startup Time (cold) | Chart Loading (10 charts) | Notes | |--------------|---------------------|----------------------------|-------| | HDD (5400 rpm) | 3–5 minutes | 45+ seconds | Unacceptable for active trading | | SATA SSD | 45 seconds | 10 seconds | Acceptable | | NVMe PCIe 4.0 | 20 seconds | 3 seconds | Ideal |

If you plan to use Thinkorswim on a mobile device, you'll need to meet the following requirements: thinkorswim minimum requirements

The desktop application is the most resource-intensive version of the platform. For 2026, the official requirements emphasize modern operating systems and sufficient memory allocation. Minimum Requirement Recommended for "Power Users" Windows 11+ or macOS 14 (Sonoma)+ Windows 11 Pro or macOS 15+ Processor (CPU) Intel Core i3 or equivalent dual-core Intel Core i7/i9 or Apple M2/M3 chips Memory (RAM) 8GB (4GB dedicated to TOS) 16GB to 32GB+ Hard Drive 500MB free space (SSD preferred) 1GB+ available on NVMe SSD Internet 5 Mbps stable connection 25 Mbps+ wired connection | Storage Type | Startup Time (cold) |

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