Superb 5K retina display with 4x the pixel density of the standard 27″ iMac 4GHz Intel Core i7 processor with over 3.5 teraflops of computing power Optional Fusion drive combines large storage capacity of a traditional hard drive with flash storage perfor. This is a simple guide for you to backup your “Gravity” Blu-ray movies to .m2ts streams for free playback on common media players with high quality through 27 inch” Retina iMac.
Editor Notes: “I have bought the new “Gladiator” and “Gravity” and I am beginning to build up a blu ray library and wanted competent back up software. I think M2ts is preferred format to be played back on my 27” retina iMac. So, I have googled key words “Blu ray copier for Mac” via MacOS Sierra and find this link and Choose Pavtube BDMagic for Mac. In actually, both of my Blu-ray Discs are successfully ripped. They are stored only on my iMac hd for my personal and no one else’s use. Below, I will share the steps guide for who have the same “rippping “Gravity” Blu-ray to M2TS on 27 inch” Retina iMac” issues. “ 
Top Solution: Ripping Blu-ray on Late 27 inch” Retina iMac with Blu-ray Ripper to MP4, MOV, M4V then viewing the Blu-ray movies with QuickTime on 27 inch” Retina iMac. This not only can let you enjoy Blu-ray movies on 27 inch” Retina iMac, but also can avoid your expensive Blu-ray discs to be scratched by overtime insert-eject. Moreover, after ripped Blu-ray to MP4 on 27 inch” Retina iMac, you can stream the Blu-ray MP4 rips stored on 27 inch” Retina iMac to HD TV via Apple TV 4.
Here, I would recommend you Pavtube BDMagic for Mac to help you rip Blu-ray on iMac. It can rip any commercial Blu-ray to H.265/HEVC encoding 4K video files losslessly on your 27 inch” Retina iMac, and also can backup 2D &3D 4K/HD/MKB 58 Blu-ray disc, Blu-ray folder and Blu-ray ISO image files on 27 inch” Retina iMac with wonderful image and sound quality. Besides, It also can allow users to adjust video resolution, like compressing 4K Blu-ray to 1080p, or change video codec to H.264 so that you can transfer the Blu-ray rips to iPhone 5se, iPad Air 3. If you want to extract FLAC, WMA, MP3 audio from Blu-ray on 27 inch” Retina iMac, this app still can help you.
More highlights in ByteCopy for Mac:
- Full Disc Copy will help to 1:1 backup the whole Blu-ray with original structure;
- Rip latest Blu-ray/DVD including 3D/2D Blu-ray;
- Backup Blu-ray/DVD main movie with original quality;
- Support rip Blu-ray/DVD to multitracks MKV, MOV, MP4 and Apple ProRes(only for Mac);
- Convert Blu-ray/DVD movies for Android, iOS, Windows 8/10 devices;
- Blu-ray/DVD movie before conversion, like trim, crop, add watermark, add subtitles, etc.
- Supported OS: MacOS 10.12 Sierra, Mac OS X 10.11 El Capitan, Mac OS X 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion, 10.7 Lion, 10.6 Snow Leopard, 10.5 Leopar or later.
Free download and install: 
Other Download:
- Pavtube old official address: http://www.pavtube.cn/blu-ray-ripper-mac/
- Cnet Download: http://download.cnet.com/Pavtube-BDMagic/3000-7970_4-76177782.html
Method One: Steps to Backup “Gravity” Blu-ray to M2TS on 27 inch” Retina iMac
1.Launch the Blu-ray copying software. Click the BD disc button to load your hot Blu-ray releases. The Blu-ray titles and chapters will be listed on the program within a few seconds.
2. Click “Browse” button to select a destination folder for the output files. And click “Copy the entire disc” button in the main interface to starts copying the Bluray disc on Mac OS X maintaining the original structure menu. 
As soon as the copying task finished, you can click “Open” button to locate the Blu-ray directory. The decrypted Blu-ray folder contains all information and contents in the original disc. Among them, the BDMV folder is the most important one with audio and video files in it.
Open BDMV -> STREAM folder and you will find all the .m2ts movie clips. You can play these M2TS videos on MacOS Sierra or have a further conversion and transfer to other devices for playback.
What’s more, if you want to find a good solution to rip hot Blu-ray releases to your desired format MacOS Sierra effortlessly, here is the reference.
Note: Please keep in mind that as Blu-ray rips typically are between 20GB and 50GB in size, you will need the ugh free disk space on your computer. For the sake of safety, you’d better prepare as much as 50GB free space for the target M2TS movie files, depending on how much data you Blu-ray disc holds. Alternatively, you can choose to use an external hard drive if you’re going to work with multiple Blu-ray discs you want to copy to M2TS.
Method Two: Copy/Rip “Gravity” Blu-ray on 27 inch” Retina iMac
Step 1. Load Blu-ray Files
Click “Load from Disc” or “Add from folder” button on the top menu to browse and choose the Blu-ray you want to convert to the program. 
Step 2. Choose output format
In “Format” pane, from the drop-down format available from the software, to make the output format better playback on your 27 inch” Retina iMac, you can select “Common Video > H.265 video(*.mp4) ” as the output format. Or for wifer usage, you also can choose HD MP4.if you plan to play the Blu-ray movies with QuickTime, you also can choose QuickTime MOV format in “QuickTime” profile. 
Tip: Click “Settings” to open a new window, then you can preview your output video parameters. If you are not satisfied with them, you can change them on the corresponding boxes.
Step 3. Begin the Conversion
Hit “Convert” button in the bottom part of the program to start ripping Blu-ray on 27 inch” Retina iMac. And You can easily find the output files in the output folders once the conversion is done.
If you ripped Blu-ray to H.265, you can play it on VLC. Or you can play the Blu-ray movies with Quicktime when you converted Blu-ray to HD MP4 or MOV on 27 inch” Retina iMac.
Read More:
- Two Ways to Play VIDEO_TS Files on PC/iMac
- Convert DVD to QuickTime Player on Mac, iMac, Mac Pro
- Play 4K Videos on 21.5-inch iMac 4K (Mac El Capitan)
- Play Christmas DVDs to iMac With VLC Media Player
- Play Any 4K & 1080p HD Movies on 5K Retina iMac Display
