What are the benefits of using Synology branded drives with a Synology NAS device?

Name: Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)
Uploaded: 2026-11-02
Description: Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)

Synology branded drives, such as the Plus Series SATA HDD, are purpose-built for Synology systems, ensuring seamless firmware updates through DSM, superior dependability using CMR technology for consistent performance, and compatibility tested for 24/7 multi-user workloads.

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

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Package:

Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)
$319.99
1 x Synology 2-bay DiskStation DS225+ (Diskless)
2 x Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)
$983.97Combo Savings $21.00
1 x Network - Storage
4 x Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)
See price in cart
1 x Network - Storage
4 x Synology 6TB HAT3300 Plus Series SATA III 3.5" Internal NAS HDD (HAT3300-6T)
$2,099.95Combo Savings $70.00

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

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews (28)

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Plus Series 3.5" SATA HDD

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 Synology

Hard drives designed for Synology systems

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.

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.

Be assured of superior storage solutions with the HAT3300 6TB Plus Series 3.5" SATA III Internal Hard Drive, a reliable and high-capacity product from the trusted brand, Synology. This internal hard drive is specifically engineered to meet the demanding needs of home and small office systems, offering unparalleled performance and endurance for 24/7 storage requirements. Synology's Plus Series SATA HDDs are meticulously designed to deliver consistent performance in high-uptime and multi-user environments. These drives undergo stringent validation testing, ensuring NAS-class reliability that you can count on. With a remarkable 1 million hour mean time between failures (MTBF) rating and a 180 TB per year workload rating, these hard drives outperform conventional desktop drives by up to three times.

The HAT3300 6TB Plus Series 3.5" SATA III Internal Hard Drive is not just about capacity and speed, it's also about efficiency and durability. Over 300, 000 hours of compatibility and stress testing guarantee smooth operation even under intense multi-user workloads. Synology also simplifies firmware updates for users. With automatic notifications about firmware updates for Synology Plus Series HDDs, users can seamlessly update their drives directly from the DiskStation Manager (DSM) on their Synology storage system. This eliminates the need for third-party tools and the hassle of disk removal for firmware updates.

Experience the difference with the HAT3300 6TB Plus Series 3.5" SATA III Internal Hard Drive, a perfect blend of high-capacity storage, fast data transfer speeds, and the trusted reliability of the Synology brand. This hard drive is compatible with both Windows and Mac operating systems, making it a versatile choice for all your data storage needs.

Best Seller Ranking	#19 in Desktop Internal Hard Drives

Model
Brand	Synology
Model	HAT3300-6T

Performance
Interface	SATA 6.0Gb/s
Capacity	6TB
RPM	5400 RPM
Cache	256MB

Features
Usage	For NAS systems

Dimensions
Form Factor	3.5"
Height (maximum)	146.99mm
Width (maximum)	101.85mm
Length (maximum)	146.99mm

Additional Information
First Listed on Newegg	June 06, 2023

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 3 years
Limited Warranty period (labor): 3 years
Read full details

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, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

Return for refund until: January 31, 2026
Return for replacement until: January 31, 2026
This item is covered by Newegg.com's Extended Holiday Return Policy.
Read full return policy for details.

Manufacturer Contact Info

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.

Real-World Use Scenarios

In a compatible Synology NAS, a household can use the drive as shared storage for documents and other files; family members can access and sync files across computers and phones instead of keeping separate copies on each device.
For home PC backups, the drive can provide NAS storage for scheduled or ongoing file backups; files are centralized on the NAS and can be restored if a computer’s local copy is lost or deleted.
A family can use the NAS to store phone photos and videos in one library; automatic mobile uploads reduce dependence on each phone’s limited local storage and make the collection accessible through the NAS.
For a home media library, the drive can hold video, music, and photo files on a Synology NAS for playback on compatible devices on the home network; streaming experience also depends on the NAS and playback device.
In a small office, several people can use the NAS for shared work files and collaboration; the drive supplies always-on storage, while access and syncing are managed through Synology software.

Spec Summary

Attribute	Value
Best For	NAS systems needing a 6 TB, 3.5-inch internal drive
Capacity And Drive Type	6 TB mechanical hard drive
Interface And Form Factor	3.5-inch SATA drive with a 6 Gb/s interface (listed transfer rate: 600 MB/s)
Drive Performance	5,400 RPM, 256 MB cache, and listed read speed of 202 MB/s
Model Identifiers	Synology HAT3300-6T
Weight	1.37 lb

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