This is a great question. I couldn't find any data that I liked either, so I ran the numbers myself. For this test I created a 4GB disk in RAM (to eliminate variables due to hardware see details below regarding CPUs), and formatted it for Mac OS X.I then wrote a zero to every single bit, repeated this ten times, and got steady results averaging 1015615798 bytes/sec.
FileVault is a disk encryption program in Mac OS X 10.3 (2003) and later. It performs on-the-fly encryption with volumes on Mac computers. With FileVault 2, your data is safe and secure — even if your Mac falls into the wrong hands. FileVault 2 encrypts the entire drive on your Mac, protecting your data with XTS-AES 128 encryption. And on Mac systems with an Apple T2 Security Chip, FileVault 2 keys are created and protected by the Secure Enclave for even more security. FileVault 2 protects a Mac computer by encrypting the entire hard drive when a FileVault-authorized user (the “Managed By” user) logs out. To set up FileVault 2 for the first time, you must log on to the Mac computer as the “Managed By” user, then log out, as explained in the following procedure. You can enable FileVault 2 with an existing Mac, but starting with 10.10 Yosemite, OS X now encourages turning on FileVault 2 during setup of a laptop. This has made some law-enforcement officials
OS X: Configuring FileVault – The Mac Observer
With FileVault 2, your data is safe and secure — even if your Mac falls into the wrong hands. FileVault 2 encrypts the entire drive on your Mac, protecting your data with XTS-AES 128 encryption. And on Mac systems with an Apple T2 Security Chip, FileVault 2 keys are created and protected by the Secure Enclave for even more security.
Apple FileVault 2: Full disk encryption software overview
How Secure Is Filevault on Mac | MacBlogWeb It’s been around in its present incarnation since OS X 10.7 “Lion” delivered in 2011. FileVault secures your Mac’s hard disk utilizing XTS-AES 128 piece figure innovation. At the point when FileVault is turned on, you are required to include a secret key at whatever point your Mac begins up. Nov 30, 2018 · Turn on and set up FileVault. FileVault 2 is available in OS X Lion or later . When FileVault is turned on, your Mac always requires that you log in with your account password. Choose Apple menu ( ) > System Preferences, then click Security & Privacy. Click the FileVault tab. Click , then enter an administrator name and password. You can enable FileVault in the Security preference panel in all versions of Mac OS X system software: From the Apple menu, choose “System Preferences” Go to “Security” and to the ‘Filevault’ tab and choose to Enable FileVault