Specifications

processor	Processor model	Intel Celeron J4025
	Processor architecture	64-bit
	Processor clock	2-core 2.0 (base frequency) / 2.9 (burst frequency) GHz
	Hardware encryption engine (AES-NI)
Memory	System memory	2 GB DDR4 non-ECC
	Total number of memory slots	1
	Memory can be expanded to	6 GB (2 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
	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 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 single storage space does not directly equal the maximum net total storage capacity. (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
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	2.18 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	90 W
	AC input voltage	100 V to 240 V AC
	Current frequency	50/60 Hz, single frequency
	Power consumption *	28.30 W (Access)8.45 W (HDD Hibernation)
	British Thermal Unit	96.63 BTU / hr (Access)72.11 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 * VS360HD VS960HD Monitoring device authorization
	Remarks	The memory module will operate at the maximum frequency set by the CPU manufacturer.