|
|
You can select a test file size (e.g., 1GB to 5GB) to determine how the drive handles larger data transfers. Start the Benchmark: Click the large
Slight variances are completely normal. Your Mac runs background tasks, indexing services, and system updates that randomly read or write small amounts of data to the disk while the test is running. Can I test network-attached storage (NAS) with this tool?
If you are searching specifically for a standalone file, you need to know how Blackmagic Design distributes its software. 1. The Official App Store Version (Recommended)
Because the official app is 100% free, any third-party website offering a standalone DMG file is highly suspicious. These files frequently contain bundled malware, adware, or outdated versions that can compromise your macOS security. Stick exclusively to the Mac App Store or BlackmagicDesign.com. How to Run Your First Speed Test blackmagic disk speed test mac download dmg
If you are troubleshooting a specific drive issue, let me know: Is the drive you are testing ? What brand and model is the drive? What exact read/write speeds are you currently getting? Share public link
When you first open Disk Speed Test from your Applications folder, macOS may show a warning: “Disk Speed Test cannot be opened because it is from an unidentified developer.”
Whether you are a video editor working with high-resolution 4K or 8K footage, a gamer looking to optimize loading times, or a general user troubleshooting a sluggish system, knowing your drive's actual performance is essential. Blackmagic Disk Speed Test is the industry-standard tool for measuring storage performance on macOS. You can select a test file size (e
If you work with high-bitrate video, large RAW photo files, or any data-intensive workflow on macOS, you know that storage speed matters. A slow drive means dropped frames, long render times, and constant frustration.
Often register incredibly high speeds, ranging anywhere from 3,000 MB/s to over 7,000 MB/s. 2. The "Will It Work?" Panel
There are two primary ways to get this software on your Mac. While the Mac App Store is common, many users prefer the standalone installation. Method 1: The Mac App Store (Recommended) Open the on your Mac. Search for "Blackmagic Disk Speed Test." Click Get and then Install. This version is automatically updated by Apple. Method 2: Blackmagic Design Support Page Can I test network-attached storage (NAS) with this tool
The results are displayed in simple tables: and Read speed (MB/s) , followed by which video formats your drive can handle (e.g., “1080p60” or “4K DCI 25”).
: Use APFS (Apple File System) for modern macOS environments to ensure optimal speed. To help tailor this information, tell me: What specific drive model are you trying to test? What video format or resolution are you planning to edit? Are you experiencing performance issues or lag right now?
Avoid testing through cheap USB hubs, which often bottle-neck speeds. Frequently Asked Questions
The interface is divided into two main sections: performance numbers and format checkmarks. The Speed Gauges
: Use the gear icon to select a dummy file size (1GB to 5GB). Larger sizes test sustained performance better.
