Synology HAS5310-12T

12 TB, 3.5"
CHF65.50/1TB
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Delivered between Wed, 10.6. and Fri, 12.6.
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Memory Size2

Product details

The Synology HAS5310-12T is a powerful 12 TB HDD specifically designed for use in server environments. With a rotational speed of 7200 RPM, it offers a high data transfer rate of up to 281 MiB/s, making it ideal for demanding applications. The hard drive utilizes the SAS3 interface, which allows for a maximum transfer rate of 12 Gbit/s, and is equipped with a 512 MB cache that enhances data processing efficiency. The HDD is suitable for operation in a temperature range of 5 to 60 °C and can be operated in a relative humidity of 5 to 90%. With a mean time between failures (MTBF) of 2,500,000 hours, it delivers reliable performance for long-term data storage.

  • SAS3 interface with 12 Gbit/s transfer rate
  • High data transfer rate of up to 281 MiB/s
  • Robust MTBF of 2,500,000 hours
  • Optimized for server applications
  • 512 MB cache for improved efficiency.

Key specifications

Scope of application
NAS
Interface
SAS
Interface version
SAS 3.0
Cache
512 MB
Sustained Speed HDD
281 MB/s
Max. Speed
7200 RPM

General information

Item number
66390661
Manufacturer
Synology
Category
Hard drives
Manufacturer No.
HAS5310-12T
Release date
18.1.2026
External links
Manufacturer's site (de)

Data storage properties

Scope of application
NAS
Interface
SAS
Interface version
SAS 3.0
Form factor
3.5"
Storage capacity
12 TB
Cache
512 MB
Sustained Speed HDD
281 MB/s
Max. Speed
7200 RPM
Max. Workload Rate
550 TB/J
MTBF
2500000 h

Operating conditions

Maximum operating temperature
60 °C

Power

Power consumption
7.95 W
Power consumption (standby)
3.76 W

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂ emissions
82.93 kg
Climate contribution
CHF 1.98

Scope of delivery

Scope of delivery
HDD

Product dimensions

Length
14.70 cm
Width
10.19 cm
Height
2.61 cm
Weight
690 g

30-day right of return
24 Months Warranty (Bring-in)
3 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Hard drives» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Ubiquiti
    0.4 %
  • 2.HPE
    0.8 %
  • 2.Synology
    0.8 %
  • 4.Dell
    1.6 %
  • 4.WD
    1.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 2.HPE
    1 day
  • 3.Seagate
    2 days
  • 3.Synology
    2 days
  • 3.WD
    2 days
  • 6.Toshiba
    3 days

Return rate

How often is a product of this brand in the «Hard drives» category returned?

Source: Digitec Galaxus
  • 1.Synology
    1.5 %
  • 2.Ubiquiti
    2 %
  • 3.WD
    2.6 %
  • 4.Seagate
    3 %
  • 5.Toshiba
    3.7 %
Source: Digitec Galaxus