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  5. Synology Inc.

  6. Item#: N82E16822108833

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    Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)

    (28) Write a Review
    • 20TB
    • 16TB
    • 12TB
    • 8TB
    • 6TB
    • 4TB
    • Reliable Always-On Operation - Backed by up to a 1.2 million hours MTBF1 and 180 TB/year workload rating
    • Tested for Maximum Reliability - Stringent validation and over 500,000 hours of testing ensure reliability in Synology systems
    • Seamless Firmware Updates - Firmware updates can be performed directly in Synology DSM
    • Reliable Recording Technology - Conventional magnetic recording (CMR) technology offers consistent performance
    • Retail or OEM packing may vary
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    Overview
    Specs
    Reviews (28)
    Plus Series 3.5-inch SATA HDD
    Plus Series 3.5-inch SATA HDD

    Plus Series 3.5" SATA HDD

    Reliable hard drives purpose-built for Synology systems in home and small office environments.

    The Synology advantage

    Plus Series 3.5-inch SATA HDD

    Durability

    Designed for 24/7 operation

    Plus Series 3.5-inch SATA HDD

    Updates

    Seamless firmware updates through DSM

    Plus Series 3.5-inch SATA HDD

    One-stop support

    Fast troubleshooting from Synology

    Hard drives designed for Synology systems

    AG274QG Gaming Monitors

    Superior dependability

    Using 100% conventional magnetic recording (CMR) technology, Plus Series disk drives ensure consistent write performance throughout their lifespans.

    Workload1 rating

    180 TB /year

    MTBF2

    1 million hours

    Easy firmware updates

    Firmware updates can be performed directly through DSM, ensuring drives benefit from the latest patches while eliminating the need for disk removal.

    AG274QG Gaming Monitors

    Comprehensive testing

    Synology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads.

    300,000+ hours

    of testing

    Notes:

    1. Workload is defined as the amount of data written, read, or verified by commands from a host system.

    2. Mean time between failures (MTBF) is not an estimate or guarantee of product life. It is a statistical value related to mean failure rates for a large number of products and may not accurately reflect actual operation. Actual operating life of the product may be different from the MTBF.

    Reliable hard drives purpose-built for Synology systems in home and small office environments.
    The Synology advantage Durability: Designed for 24/7 operation
    Updates: Seamless firmware updates through
    DSM One-stop support: Fast troubleshooting from SynologyHard drives designed for Synology systemsSee how Synology hard drives deliver reliability, consistent performance, and simplified system management through deep hardware-software integration. Superior dependabilityUsing 100% conventional magnetic recording (CMR) technology, Plus Series disk drives ensure consistent write performance throughout their lifespans. Comprehensive testingSynology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads. 500K+ hours of testingEasy firmware updatesFirmware updates can be performed directly through DSM, ensuring drives benefit from the latest patches while eliminating the need for disk removal. Tuned for performanceFirmware and operating system - level optimizations enable up to 27% faster sequential writes compared to similar-class third-party drives

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

    • Return for refund until: January 31, 2027
    • Return for replacement until: January 31, 2027
    • This item is covered by Newegg.ca's Extended Holiday Return Policy.
    • Read full return policy for details.

    Manufacturer Contact Info

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    The Synology HAT3300-6T is a 6TB, 3.5-inch SATA NAS hard drive with CMR recording, designed for always-on use in Synology systems. It suits home and small-office NAS owners who need dependable storage for shared files and backups.

    Recommended For

    • Home and small-office Synology NAS owners who want a drive for always-on shared files, backups, and other everyday network storage; Synology positions the Plus series for these systems.
    • Synology NAS users who want to manage drive firmware updates through DSM rather than handle updates with separate tools; confirm that the specific NAS model supports this drive.
    • Synology NAS owners adding a 6TB drive to a storage pool for media libraries, backups, or shared folders who prefer a NAS-oriented CMR drive over a portable or desktop external drive.
    • NAS users with moderate write workloads who want a drive rated for sustained NAS use; Synology specifies a 180TB-per-year workload rating for the HAT3300 series.

    Spec Summary

    AttributeValue
    Best ForNAS systems needing a 6 TB, 3.5-inch internal drive
    Capacity And Drive Type6 TB mechanical hard drive
    Interface And Form Factor3.5-inch SATA drive with a 6 Gb/s interface (listed transfer rate: 600 MB/s)
    Drive Performance5,400 RPM, 256 MB cache, and listed read speed of 202 MB/s
    Model IdentifiersSynology HAT3300-6T
    Weight1.37 lb