Name: Synology 12TB HAT3310-12T Plus 3.5" SATA 7200rpm 256MB Cache HDD (HD-HA33112)
SKU: 841570

Product Details ＋

Reliable hard drives for Synology systems

3.5" SATA HDD

HAT5310 Plus Series drives are backed by up to a 1.2 million hour mean time between failures (MTBF) rating and 180 TB per year workload rating, over three times the limit of desktop drives. Over 500,000 hours of testing ensure smooth operation under multi-user workloads.

Effortless firmware updates

Be notified when firmware updates become available and update drives seamlessly from storage manager in DSM, eliminating the need to remove the drive or use third party software to install security and firmware updates.

Built for Synology NAS

All Plus Series drives use conventional magnetic recording (CMR), offering better performance, reliability, consistency, and a longer lifespan than standard shingled magnetic recording (SMR) drives.

Available in 8 TB and 12 TB
500,000 hours of stress testing to ensure reliability
29% lower power consumption than Enterprise Series HDDs
Seamless one-click firmware updates through DSM
Built for use with Value, J-Series, and Plus Series NAS


Comprehensively tested Synology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads.	Rated for excellence Synology Plus Series HDDs are backed by a workload rating of 180 TB per year — which is up to three times the limit of conventional desktop hard drives.	Built for dependability Mean Time Between Failure (MTBF) is a statistical value related to mean failure ratees demonstrated by this product. Actual operating life may vary.

hardware		HAT3300-4T	HAT3300-6T	HAT3310-8T	HAT3310-12T	HAT3310-16T
generally	capacity	4TB	6TB	8TB	12TB	16TB
	Appearance specifications	3.5"	3.5"	3.5"	3.5"	3.5"
	Transmission interface	SATA 6Gb/s	SATA 6Gb/s	SATA 6Gb/s	SATA 6Gb/s	SATA 6Gb/s
efficacy	Motor speed	5,400 rpm	5,400 rpm	7,200 rpm	7,200 rpm	7,200 rpm
efficacy	Sustained data transfer speed limit	202MB/s	202MB/s	260MB/s	281MB/s	281MB/s
Reliability	Warranty	3 years	3 years	3 years	3 years	3 years
Reliability	Remark	The warranty period begins on the purchase date stated on the purchase receipt.
Power consumption of power supply	Idle power consumption	3.96 W	3.4W	5.61 W	3.30W	4.14W
	Random read/write (4KB Q1)	4.85W	5.3 W	8.41W	6.85W	7.48 W
	Remark	Power consumption may vary depending on settings and platforms.
temperature	Running	0°C to 65°C (32°F to 149°F)	0°C to 65°C (32°F to 149°F)	5°C to 65°C (41°F to 149°F)	5°C to 60°C (41°F to 140°F)	5°C to 60°C (41°F to 140°F)
temperature	Not running	-40°C to 70°C (-40°F to 158°F)	-40°C to 70°C (-40°F to 158°F)	-40°C to 70°C (-40°F to 158°F)	-40°C to 70°C (-40°F to 158°F)	-40°C to 70°C (-40°F to 158°F)