Hardware Specifications

Compatible NAS Models (sold separately)

• FS series: FS1018
• 19 series: DS2419+, DS2419+II
• 18 series: DS3018xs
• 17 series: DS3617xs, DS3617xsII
• 15 series: DS3615xs, DS2415+, DS2015xs
• 13 series: DS2413+
• 12 series: DS3612xs
• 11 series: DS3611xs, DS2411+

Notes

• For better performance, Synology recommends creating storage volumes physically located within the same NAS or Expansion Unit, rather than creating volumes across your NAS and Expansion Unit.

Storage

Drive Bays

• 12 (un-populated)

Compatible Drive Type

• 3.5″ SATA HDD
• 2.5″ SATA HDD
• 2.5″ SATA SSD

Maximum Internal Raw Capacity

• 192 TB (16 TB drive x 12) (Capacity may vary by RAID types)

Hot Swappable Drive

• Yes

RAID Management through Synology DSM

• Yes

Notes

• It is strongly recommended that you only install drives listed on your device’s compatibility list. Storage pool and volume creation processes may fail when using unverified drives. Synology is unable to provide technical support for devices using unsupported components.

External Ports

Expansion Port

• 1

Appearance

Dimensions (H x W x D)

• 270 x 300 x 340 mm

Weight

• 9.02 kg

Power

Power Recovery

• Synchronized with the Synology DiskStation

Power Supply Unit / Adapter

• 550 W

AC Input Power Voltage

• 100 V to 240 V AC

Power Frequency

• 50/60 Hz, Single Phase

Power Consumption

• 51.23 W (Access)
• 21.71 W (HDD Hibernation)

British Thermal Unit

• 174.69 BTU/hr (Access)
• 74.03 BTU/hr (HDD Hibernation)

Notes

• Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s) (sold separately).

Temperature

Operating Temperature

• 5°C to 35°C (40°F to 95°F)

Storage Temperature

• -20°C to 60°C (-5°F to 140°F)

Relative Humidity

• 5% to 95% RH

Others

System Fan

• 120 mm x 120 mm x 2 pcs

Easy Replacement System Fan

• Yes

Noise Level

• 27.2 dB(A)

Notes

• Noise Level Testing Environment: Fully loaded with Seagate ST2000VN000 hard drive(s) (sold separately) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 metre away from the Synology expansion unit at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25°C-25.75°C; Humidity: 58.2%-61.8%.

Certification

• FCC
• CE
• BSMI
• EAC
• RCM
• KC

Environment

• RoHS Compliant

Package Contents

• 1 x Synology DX1215II Enclosure
• 1 x User’s Guide
• 1 x Accessory Pack
• 1 x AC Power Cord
• 1 x Expansion Cable: Infiniband