There’s no such thing as a stupid question in MT—everyone’s here to help, and science and IT are so complex that no one can know everything about every aspect. Write speeds are usually minimal, but Bitdefender has been known to cause issues due to its large updates and SSD usage; others are generally minimal. To go deeper, many antivirus programs like G Data use the Bitdefender engine, and most offer good offline protection because the entire database is stored locally but they somehow act like bitdefender . The only AV that delivers strong offline protection without putting heavy strain on the PC or SSD is ESET—their DNA technology seems genuinely effective and not just marketing, as proven in real-world tests.
