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WD Purple WD42PURZ 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - Hardware Nation
![Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD60EFRX : Electronics Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD60EFRX : Electronics](https://m.media-amazon.com/images/I/51zLUo5fFBS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD60EFRX : Electronics
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NAS Compares - SMR, CMR and PMR NAS Hard Drives- A Buyers Guide 2021 | SynoForum.com - The Unofficial Synology Forum
![Real-time bandwidth of SMR vs. CMR disks when performing random writes. | Download Scientific Diagram Real-time bandwidth of SMR vs. CMR disks when performing random writes. | Download Scientific Diagram](https://www.researchgate.net/publication/339923370/figure/fig1/AS:944375282561032@1602168021918/Real-time-bandwidth-of-SMR-vs-CMR-disks-when-performing-random-writes.png)
Real-time bandwidth of SMR vs. CMR disks when performing random writes. | Download Scientific Diagram
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Amazon.com: WP Expanse 12TB 7200 RPM 512e SATA Gen3 3.5-inch HDD | ECC PLP CMR | Enterprise Data Center SAN Hard Disk Drive - WESA5SLC0120D (Renewed) : Electronics
![Differences between SMR, CMR, LMR and PMR hard disk: does it have something to do with Linux? | Linux Addicts Differences between SMR, CMR, LMR and PMR hard disk: does it have something to do with Linux? | Linux Addicts](https://www.linuxadictos.com/wp-content/uploads/perpendicular-vs-longitudinal.png)