CPU	CPU Model	Realtek RTD1296
	CPU Architecture	64-bit
	CPU Frequency	Quad Core 1.4 GHz
	Hardware Encryption Engine
Memory	System Memory	1 GB DDR4
	Notes	Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Storage	Drive Bays	4
	Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
	Maximum Internal Raw Capacity	64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
	Maximum Single Volume Size*	108 TB
	Hot Swappable Drive	-
	Notes	"Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. The maximum single volume size is not directly related to the maximum raw capacity. (Learn more)
External Ports	RJ-45 1GbE LAN Port	1
	USB 3.0 Port	2
File System	Internal Drives	EXT4
	External Drives	EXT4 EXT3 FAT NTFS HFS+ exFAT*
	Notes	exFAT Access is purchased separately in Package Center.
Appearance	Size (Height x Width x Depth)	184 mm x 168 mm x 230 mm
	Weight	2.21 kg

4-bay home NAS with over 60 TB raw capacity support, suitable for data backup and file sharing 64-bit 4-core 1.4 GHz processor and 1 GB DDR4 memory Over 112 MB/s encrypted sequential reading and writing throughput Easy-to-deploy surveillance solution that supports up to 16 IP cameras Energy-saving design with only 7.88 W consumed in hibernation mode Backed by Synology 2-year limited warranty