![]() ![]() However, the transfer speed will remain slow if you use USB port 3.0 on your Mac and have a USB 2.0 flash drive. ![]() USB 2.0 is an older technology with slower data transfer rate, while USB 3.0 adapters provide higher data transfer speeds and better performance. Change the Adapter to a USB 3.0Ĭhanging the adapter from a USB 2.0 to a USB 3.0 can speed up the USB transfer speed. Here are some practical methods to speed up USB transfers on your Mac: 1. However, there are various ways to fix your Mac’s slow USB transfer speed. It’s natural to be frustrated with sluggish USB transfers, especially with the M1 or M2 power. If none of these work, clean the USB port and cable with a can of compressed air. To fix USB transfer speed on a Mac, use USB 3.0, disable low-power mode, turn off Spotlight indexing, defragment USB, convert USB storage format to APFS, or restore Finder preferences to its default settings. How Do I Fix USB Transfer Speed on My Mac? As a result, it can slow down read-and-write speeds and make file transfers tedious. When you add, delete, or modify files on your USB drive, they scatter across different memory sections. The files on your USB drive often become fragmented. Also, moving or copying certain file types, such as MKV, MP4, etc., requires more processing power, causing slower USB transfers to the external drives on a Mac. Large files, such as high-resolution photos and videos, take longer to transfer than smaller ones. A poor-quality or damaged USB cable can result in much slower transfer speeds and may even cause connection failures. If you use a cable to connect your USB device to your Mac, its physical condition and compatibility can also impact the file transfer speed. So, if this process runs in the background during the file transfers from or to the USB drive on your Mac, it can slow it down or cause interruptions. This background process creates an index of each file on your Mac to expedite the search operations. For example, if your USB is formatted as FAT32 or exFAT, it can result in slow USB transfers to the external drives. The storage formats also affect the USB transfer speed some are slower at writing and reading data. It may also damage these files permanently. So, if a file on your USB, external drive, or system is infected, it can slow down the USB transfer speed. Virus or MalwareĬertain viruses and malware may cause performance issues and interrupt your system’s running programs. Your Mac struggles due to corrupt files, becoming slow while copying or moving them from your USB drive to the external drives. These files refer to the ones with incomplete downloads or containing a file system error. USB transfers on a Mac may slow down or even fail due to corrupt files. Let’s look closely at some other possible causes of slow USB transfers on a Mac: 1. This is because the USB with a 2.0 port supports 480 Mbps, while the 3.0 or 3.1 port can transfer files at up to 5 Gbps speed.īut there are other reasons behind slow USB transfers. ![]() A 2.0 port USB transfers data slower than a USB with a 3.0 or 3.1 port. Transferring files via USB on a Mac takes too long due to USB port speed. Why Does It Take So Long to Transfer Files to a USB via Mac? Delete Problematic Finder Preferences Files Convert the USB File System from FAT32 to APFS How Do I Fix USB Transfer Speed on My Mac?.Why Does It Take So Long to Transfer Files to a USB via Mac?. ![]()
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