Synology DX517 5 Bay Desktop Network Attached Storage Expansion Enclosure, Black

Price range: £565.84 through £1,839.06

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Online volume expansion
Dedicated local backup solution

Synology DS1817 8 Bay Desktop Network Attached Storage Enclosure

Price range: £887.29 through £3,720.00

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Scalable quad-core 8-bay storage solution with upgradable memory of up to 8GB
Outstanding throughput at over 1,577 MB/s reading and 739 MB/s writing

Synology RS217 2 Bay NAS Rack Enclosure

Price range: £448.43 through £1,546.79

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Compact 2-bay rackmount NAS for your small office or business
Encryption performance improved by 214%

Synology DS718+ 8 TB (2 x 4 TB) 2 Bay Desktop Network Attached Storage Unit

Price range: £612.47 through £1,614.60

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Powerful and scalable 2-bay NAS for growing businesses
Encrypted sequential throughput performance at over 226 MB/s reading and 184 MB/s writing

QNAP TS-251B-4G, 2bay, 4GB RAM, Intel Dual-core CPU, PCIe slot x1, ideal NAS (Network-attached Storage) Enclosure…

Price range: £546.11 through £904.83

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The PCIe port supports installing a 10GbE network card, a QM2 dual-port M.2 SSD/10GbE card, a USB 3.1 Gen 2 (10Gbps) card, or a wireless network card.
4K media playback and online transcoding; cross-device multimedia viewing via HDMI output or streaming applications.