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Synology 6TB HAT3300 Plus 5400 rpm SATA III 3.5" Internal NAS HDD

BH #SYHAT33006T • MFR #HAT3300-6T
32 reviews
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Synology 6TB HAT3300 Plus 5400 rpm SATA III 3.5" Internal NAS HDD
Key Features
  • 6TB Storage Capacity
  • 3.5" Form Factor
  • SATA III 6 Gb/s Interface
  • 256MB Cache
Designed to meet the reliability, endurance, and performance requirements of 24/7 storage in small and medium-sized business storage systems, the 6TB HAT3300 Plus 5400 rpm SATA III 3.5" Internal NAS HDD from Synology delivers NAS-class reliability to ensure consistent performance in high-uptime and multi-user environments. The HAT3300 Plus has passed 300,000 hours of testing, has a Mean Time to Failure (MTTF) rating of 1 million hours, and a yearly workload rating of 180TB. Also featured is a storage capacity of 6TB, a SATA III 6 Gb/s interface, a 256MB cache, and a rotational speed of 5400 rpm, all of which help to ensure uninterrupted data transfers with sustained speeds of up to 202 MB/s.
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$309.99
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Synology HAT3300 Plus Internal HDD Overview

Designed to meet the reliability, endurance, and performance requirements of 24/7 storage in small and medium-sized business storage systems, the 6TB HAT3300 Plus 5400 rpm SATA III 3.5" Internal NAS HDD from Synology delivers NAS-class reliability to ensure consistent performance in high-uptime and multi-user environments. The HAT3300 Plus has passed 300,000 hours of testing, has a Mean Time to Failure (MTTF) rating of 1 million hours, and a yearly workload rating of 180TB. Also featured is a storage capacity of 6TB, a SATA III 6 Gb/s interface, a 256MB cache, and a rotational speed of 5400 rpm, all of which help to ensure uninterrupted data transfers with sustained speeds of up to 202 MB/s.

Please check Synology's compatibility list, as this drive is not compatible with all storage systems.

Reliable Always-On Operation
Backed by 1 million hours MTBF and 180 TB/year workload rating.
Tested for Maximum Reliability
Stringent validation and up to 300,000 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.
Engineered for Endurance
Synology Plus Series HDDs are backed by a 1 million hour Mean Time Between Failures (MTBF) rating and 180TB per year workload rating, which is up to three times the limit of conventional desktop hard drives. Over 300,000 hours of compatibility and stress testing ensure smooth operation even under multi-user workloads.
Convenient Firmware Updates
Users are automatically notified when firmware updates become available for Synology Plus Series HDDs and can update drives seamlessly from DiskStation Manager (DSM) on their Synology storage system, eliminating the need for third-party tools and disk removal for firmware updates.
UPC: 846504005130

Synology HAT3300 Plus Internal HDD Specs

Key Specs
Total Capacity
6 TB
Drive Type
SATA III / 3.5" HDD (5400 rpm)
Read Speed
Maximum: 202 MB/s
Write Speed
Maximum: 202 MB/s
Total Capacity
6 TB
Drive Type
SATA III / 3.5" HDD (5400 rpm)
Performance
Read Speed
Maximum: 202 MB/s
Write Speed
Maximum: 202 MB/s
Encryption Support
No
Mean Time Between Failures (MTBF)
1.0 Million Hours
Endurance (Total Bytes Written)
180 TB
Electrical
Power Draw
5.3 W (Active)
3.4 W (Idle)
General
Operating Conditions
32 to 149°F / 0 to 65°C at 5 to 95% Humidity
Operating Shock
70 G / 2.0 ms
Storage Conditions
-40 to 158°F / -40 to 70°C at 5 to 95% Humidity
Dimensions
5.8 x 4.01 x 1.03" / 147 x 101.75 x 26.11 mm
Weight
1.3 lb / 610 g
Packaging Info
Package Weight
1.675 lb
Box Dimensions (LxWxH)
8.8 x 6.5 x 3"

Synology HAT3300 Plus Internal HDD Reviews

Well needed HDD

By Alexander
Rated 5 out of 5
Date: 2026-05-12

Love this product. I use this to backup all of my raw videos for myself and clients. It is easy to install and works exactly as needed. I also got a 16TB version of this. They all work great together. Love this brand and I know my clients work is in good hands.

Easy installation

By larry
Rated 5 out of 5
Date: 2026-03-26

One of my hard drives on my Synology NAS 4 bay was done. I was able to replace it with this by following a Synology instructional video online and things have been up an working great since.

See any errors on this page?

Will this drive be pre-configured as a 4Kn (4K ...

Will this drive be pre-configured as a 4Kn (4K native) hard drive instead of a 512e? If not, how do I configure it to be so?
Asked by: Doug
The Synology 4TB HAT3300 Plus 5400 rpm SATA III 3.5" Internal NAS HDD is pre-configured as 512e, and there is no supported method to reformat it in 4Kn.
Answered by: Michael S
Date published: 2025-06-18
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