Hardware Specifications
CPU
CPU Model	Intel Atom C3538
CPU Architecture	64-bit
CPU Frequency	Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory	4 GB DDR4
Memory Module Pre-installed	4GB (1 x 4GB)
Total Memory Slots	4
Memory Expandable up to	64 GB (16 GB x 4)
Storage
Drive Bays	12
Maximum Drive Bays with Expansion Unit	24
Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
Maximum Internal Raw Capacity	144 TB (12 TB drive x 12) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units	288 TB (144 TB + 12 TB drive x 12) (Capacity may vary by RAID types)
Maximum Single Volume Size	108 TB
Hot Swappable Drive
Notes	"Compatible drive type" indicates the 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 raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
External Ports
RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
USB 3.0 Port	2
Expansion Port	1
PCIe
PCIe Expansion	1 x Gen3 x8 slot (black, x4 link)
Add-in-card support	M2D17 - Dual M.2 SSD adapter card for SSD cache PCIe Network Interface Card (Learn more)
Notes	RS2418+/RS2418RP+ with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
File System
Internal Drives	Btrfs EXT4
External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT*
Notes	exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth)	88 mm x 482 mm x 696 mm 88 mm x 482 mm x 724 mm (for RP model)
Weight	13.22 kg 13.85 kg (for RP model)
Others
System Fan	80 mm x 80 mm x 4 pcs
Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
Easy Replacement System Fan
Power Recovery
Noise Level*	54 dB(A) 54.1 dB(A) (for RP model)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter	500W 2 X 500W (for RP model)
AC Input Power Voltage	100V to 240V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption*	109 W (Access) 52.4 W (System Hibernation) 119.6 W (Access, for RP model) 55.9 W (System Hibernation, for RP model)
British Thermal Unit	371.92 BTU/hr (Access) 178.8 BTU/hr (System Hibernation) 408.09 BTU/hr (Access, for RP model) 190.74 BTU/hr (System Hibernation, for RP model)
Redundant Power Supply (for xs+ and RP model)
Environment 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
Certification	EAC VCCI CCC RCM FCC CE BSMI
Warranty	3 Year Hardware Warranty, Extendable to 5 Year Coverage - EW202
Notes	Support for Wake on WAN needs switch and routers which recognize Magic Packet. Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

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