When installing Red Orchestra 2 77 the WD Black 4GB took just 168 seconds, making it 6% faster than the WD Red 3TB and 11% faster than the WD RE 1TB. When compared to the Velociraptor 1TB it was 11% slower and 72% slower than the Samsung SSD.
When it comes to virus scans the WD Black 4TB is pretty fast, taking just 58 seconds to complete a scan on the System32 folder using MSE. In comparison this made it 5% faster than the WD RE 1TB and Red 3TB drives, while it was 21% faster than the WD Green 2TB. Then when compared to the Velociraptor 1TB it was 21% slower and 35% slower than the SSD.