One example of the latter is the current Paragon NTFS driver which slows down to 20 mb/s for UNcached writes over FW800 compared to eSATA even when the FW800 connection obviously has plenty of headroom left.on a dedicated machine with nothing else on the bus and only test software running (needs to be appended to all test results there). That is because the HD always keeps spinning, so if the connection is bottlenecking the HD might have to do extra rounds in order to reach the position where transfer stopped before. Transfer speed not only varries between USB and FW, but also based on the combination of file-system driver, connection and HD. Using the same drive in an enclosure with an Oxford bridge chipset gives the following rough results for single large files writes using Apple HFS+ (reads are usually 5-10 mb/s faster):ĮSATA: 100-110 mb/s (near the physical limit of the drive, bridge chip slows that down a bit) HD performance of USB 2.0 is *not* only one tenth of Firewire. But according to RME Windows limits the minimum latency to 1 ms because of some USB driver limitations.Įven though it is nonsense to even compare HD transfer performance of USB and FW with Audio performance there are wrong numbers being spread on top of that. RME has proven with its Fireface UC that an USB (2.0!) device can have lower latencies than Firewire and PCI devices if implemented properly. In isochronous transfer USB offers packet synchronisation of 1 ms and even down to 125 us (1000 microseconds = 1 ms) for single packets. USB Audio interfaces use isochronous transfer which is what FW uses, too! USB Harddrives use asynchronous bulk transfer. External drives can prove very valuable for traveling professionals who need to transport information from boardroom to boardroom without lugging around a particular computer.Geez, don't you folks at least do some Wikipedia before posting all wrong non-facts?īoth USB and Firewire transfer data in packets, the size of the packets depend on the transfer mode being used.īoth offer several different transfer modes. Take files on-the-go: External hard drives are easy to transport, so they can provide you with a large amount of extra storage whenever and wherever you need it. And, besides, creative files are typically very large and take up a ton of space on your internal drive, so in many cases it’s better to store them on an external drive. Your computer will be far better organized. You can use an external hard drive to separate work files and creative files from your personal files. Organize your files: This point is especially relevant if you’re a businessperson or creative professional.Make backups of your hard drive in case something happens to your computer: Computer crashes are an unfortunate fact of digital life, so make sure your important files are backed up on an external drive to ensure that important information is never permanently lost.
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March 2023
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