… Drive installation with four Seagate IronWolf 4TB drives is tool-free; pop out the caddy, insert the drive, and slide it back. …
… CMR reliability at 8TB is proven, the compatibility list with NAS vendors is extensive, and Seagate's IHM integration is now embedded across most major platforms, including Synology and QNAP. …
… Synology has also had well-publicised issues with its drive compatibility policies recently. It rolled back on the SATA drive limitations, but you must use Synology-branded M.2 drives in the DS925+. …
… That said, it’s $20 less than the Seagate IronWolf 4TB. …