QNAP TS-431K 8TB 4 Bay Desktop NAS Solution | Installed with 4 x 2TB Western Digital Red Drives

£668.26

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File Station allows centralized file management on the NAS, connected devices and the connected cloud, making data management easier and more time saving
HBS (Hybrid Backup Sync) can back up your data and sync to other NAS, servers, and cloud storage for comprehensive backup and disaster recovery

Synology DS218J 8 TB 2 Bay NAS Solution | Installed with 2 x 4 TB Seagate IronWolf Drives

Price range: £157.88 through £1,261.23

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A versatile entry-level 2-bay NAS for home and personal cloud storage
Over 113 MB/s reading, 112 MB/s writing