Synology Internal NAS HDD 4TB SATA 7200rpm 3.5"

Name: Synology Internal NAS HDD 4TB SATA 7200rpm 3.5"
Brand: Synology
SKU: B09YDG79JR
Price: 229.99 GBP
Availability: OutOfStock
Rating: 4.3 (12 reviews)

4.3(12)

£229.99

Synology Internal NAS HDD 4TB SATA 7200rpm 3.5" is priced at £229.99 — stable over the last 30 days.

Price last checked: 18 Apr 2026, 16:58

Form Factor: 3.5-inch

Interface: Serial ATA-600

Designed for demanding and 24/7 operated environments, for a medium life (MTTF) of up to 2.5 million hours and workloads of up to 550 TB per year
Persistent Write Cache Technology: Minimize the possibility of data damage in the event of a sudden power failure
Firmware and DiskStation Manager (DSM) optimizations improve sequential reading performance by up to 23% on multiple clients
Automatic firmware updates are performed together with DSM updates and thus minimise additional maintenance
Strict validations and up to 300,000 hours of tests ensure maximum reliability in synology systems

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About This Product

The Synology Internal NAS HDD 4TB SATA 7200rpm 3.5" is a 4TB, 3.5-inch hard drive designed for demanding environments, offering a high level of reliability with a mean time to failure of up to 2.5 million hours. It features Persistent Write Cache Technology to minimise data damage in the event of a power failure and optimised firmware for improved sequential reading performance. This drive is suitable for use in Synology NAS systems, particularly for users requiring a reliable storage solutio...