Designed to meet the reliability, endurance, and performance requirements of 24/7 storage in small and medium-sized business storage systems, the 16TB HAT3310 Plus Series 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 HAT3310 Plus has passed 500,000 hours of testing, has a Mean Time Between Failure (MTBF) rating of 1.2 million hours, a yearly workload rating of 180TB, and is filled with helium instead of regular air. Also featured is a storage capacity of 16TB, a SATA III 6 Gb/s interface, a 512MB cache, and a rotational speed of 7200 rpm, all of which help to ensure uninterrupted data transfers with sustained speeds of up to 281 MB/s.
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Key Features
- 16TB Storage Capacity
- 3.5" Form Factor
- SATA III 6 Gb/s Interface
- 512MB Cache
Designed to meet the reliability, endurance, and performance requirements of 24/7 storage in small and medium-sized business storage systems, the 16TB HAT3310 Plus Series 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 HAT3310 Plus has passed 500,000 hours of testing, has a Mean Time Between Failure (MTBF) rating of 1.2 million hours, a yearly workload rating of 180TB, and is filled with helium instead of regular air. Also featured is a storage capacity of 16TB, a SATA III 6 Gb/s interface, a 512MB cache, and a rotational speed of 7200 rpm, all of which help to ensure uninterrupted data transfers with sustained speeds of up to 281 MB/s.
More DetailsSynology HAT3310 Plus Internal HDD Overview
Reliable Always-On Operation
Backed by a 1.2 million hours MTBF and 180TB per year workload rating.
Tested for Maximum Reliability
Stringent validation and up to 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.
Engineered for Endurance
Synology Plus Series HDDs are backed by a 1.2 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 500,000 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: 846504005598
Synology HAT3310 Plus Internal HDD Specs
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Synology HAT3310 Plus Internal HDD Reviews
Forced to buy these.
By Marc
Rated 3 out of 5
Date: 2026-04-13
I bought these synology (Hitachi) drives because Synolgy won't support other drives, inlcuding my Seagate Exos which are much better than these. Oh, well.
A great option for your Synology NAS
By Chris
Rated 5 out of 5
Date: 2026-01-28
We recently bought a Synology RS2423+ NAS for our small business content team and these drives were the top choice. Very reliable, reasonably priced, and you can't beat B and H fast shipping!
See any errors on this page?
Are these CMR drives?
Are these CMR drives?
Yes, this Synology 16TB HAT3310 Plus Series SATA III 3.5" Internal NAS HDD is CMR.
Date published: 2024-05-31
Is this drive compatible with the DS218+?
Is this drive compatible with the DS218+?
Yes, this Synology 16TB HAT3310 Plus Series SATA III 3.5" Internal NAS HDD will be compatible with the DS218+ NAS enclosure. HAT3310-16T is listed as a compatible drive in Synology's list here: https://bit.ly/4os70on.
Date published: 2025-10-31
Can I do 2 of these with 2 4 TB Synology Drives ...
Can I do 2 of these with 2 4 TB Synology Drives at 5400 RPMS?
Yes, the Synology Plus Series Drive can be used alongside two 4TB Synology drives at 5400 RPM.
Date published: 2025-11-24
Is this compatible with my Synology DS223 2 bay sy
Is this compatible with my Synology DS223 2 bay system that I bought from you?
The Synology 12TB HAT3310 Plus Series SATA III 3.5" Internal NAS HDD (B&H # SYHAT3310122) is compatible with the Synology NAS DS223.
Date published: 2026-05-17
Are these compatible with UGREEN NAS systems?
Are these compatible with UGREEN NAS systems?
Yes, the Synology 12TB HAT3310 Plus Series SATA III 3.5" Internal NAS HDD will be supported by UGREEN NAS enclosures.
Date published: 2026-04-15
can I use 4 of these with my sinology ds418 4 bay ...
can I use 4 of these with my sinology ds418 4 bay ?
The Synology 12TB HAT3310 Plus Series SATA III 3.5" Internal NAS HDD (2-Pack) is compatible with the Synology DS418 NAS enclosure.
Date published: 2025-05-20