Specifications

processor
Processor model	Intel Celeron J4125
Processor architecture	64-bit
Processor clock	4-core 2.0 (base frequency) / 2.7 (burst frequency) GHz
Hardware encryption engine (AES-NI)
Memory
System memory	4 GB DDR4 non-ECC
Total number of memory slots	1
Memory can be expanded to	8 GB (4 GB + 4 GB)
Remarks	Please purchase original Synology memory modules for best compatibility and reliability. If you do not use Synology memory modules when expanding memory capacity, Synology will not be able to provide full product warranty or technical support. Synology reserves the right to replace memory components of the same or higher frequency depending on the availability of the supplier's products. Its compatibility and stability have passed the same rigorous testing and inspection, so please use it with confidence.
Storage device
Number of disk slots	4
Maximum number of disk slots for installing expansion devices	9
M.2 drive bay	2 (NVMe)
Compatible disk types * (see all supported disks)	3.5 "SATA HDD 2.5 "SATA HDD 2.5 "SATA SSD M.2 2280 NVMe SSD
Maximum internal net total storage capacity	64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
Maximum total net storage capacity with expansion device	144 TB (64 TB + 16 TB drive x 5) (Capacity may vary by RAID types)
Maximum single storage space capacity *	108 TB
Disk hot swap support
Remarks	Compatible disk type refers to the type of hard drive that is confirmed to be compatible with the product after the actual measurement. The maximum net total storage capacity is not limited by the maximum single storage space capacity. Synology NAS can use the capacity beyond the maximum single storage space to create other storage spaces, the maximum capacity of which depends on the support of each model. (See more content) The internal storage space can be expanded, but the expanded single storage space cannot exceed 108 TB.
External port
RJ-45 1GbE network port	2 (Support Link Aggregation / Failover)
USB 3.0 port	2
eSATA port	1
File system
Internal disk	Btrfs EXT4
External disk	Btrfs EXT4 EXT3 FAT NTFS HFS + exFAT *
Remarks	exFAT Access must be purchased separately from the package center.
Exterior
Size (Height X Width X Depth)	166 mm x 199 mm x 223 mm
weight	2.24 kg
other projects
System fan	92 mm x 92 mm x 2 pcs
Fan mode	Full speed mode Low temperature mode Silent mode
Front panel LED indicator can adjust brightness
Automatic power supply recovery
Noise value*	19.8 dB (A)
Timer switch
Wake on LAN
Power supply / transformer	100 W
AC input voltage	100 V to 240 V AC
Current frequency	50/60 Hz, single frequency
Power consumption *	32.17 W (Access) 9.69 W (HDD Hibernation)
British Thermal Unit	109.84 BTU / hr (Access) 33.09 BTU / hr (HDD Hibernation)
Remarks	The power consumption test data is obtained by testing the Western Digital 1TB WD10EFRX hard drive. Noise test environment: Seagate 2TB ST2000VN000 hard drive is in standby mode, with two GRAS Type 40AE microphones installed at a distance of 1 meter in front and back of the Synology NAS; background noise value: 16.49-17.51 ​​dB (A); temperature: Celsius 24.25-25.75 degrees; humidity: 58.2-61.8%.
temperature
Operating temperature	0 ° C to 40 ° C (32 ° F to 104 ° F)
Storage temperature	-20 ° C to 60 ° C (-5 ° F to 140 ° F)
Relative humidity	5% to 95% RH
Certification body
EAC VCCI CCC RCM KC FCC CE BSMI
Warranty
3 year hardware warranty, extendable to 5 year coverage- EW201
Remarks	The warranty period begins on the purchase date indicated on the purchase receipt. (See more content)
surroundings
RoHS Compliant
Package contents
Host X 1 Accessory Pack X 1 Transformer X 1 Power cord X 1 RJ-45 network cable X 2 Quick Installation Guide X 1
Optional accessories
D4NESO-2666-4G DDR4 non-ECC SO-DIMM * Expansion unit: DX517 X 1 VS360HD VS960HD Monitoring device authorization
Remarks	The memory module will operate at the maximum frequency set by the CPU manufacturer.