Hardware Specifications
CPU
CPU Model	Realtek RTD1296
CPU Architecture	64-bit
CPU Frequency	Quad Core 1.4 GHz
Hardware Encryption Engine
Hardware Transcoding Engine	10-bit H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
Memory
System Memory	1 GB DDR4
Storage
Drive Bays	1
Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD (with optional 2.5" Disk Holder) 2.5" SATA SSD (with optional 2.5" Disk Holder)
Maximum Internal Raw Capacity	12 TB (12 TB drive x 1) (Capacity may vary by RAID types)
Maximum Single Volume Size	108 TB
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 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)	166 mm x 71 mm x 224 mm
Weight	0.7 kg
Others
System Fan	60 mm x 60 mm x 1 pcs
Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode Low-power Mode
Brightness adjustable front LED indicators
Power Recovery
Noise Level*	16.7 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter	36W
AC Input Power Voltage	100V to 240V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption*	9.4 W (Access)  4.22 W (HDD Hibernation)
British Thermal Unit	32.1 BTU/hr (Access)  14.41 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature	5°C to 40°C (40°F to 104°F)
Storage Temperature	-20°C to 60°C (-5°F to 140°F)
Relative Humidity	5% to 95% RH
Certification	FCC Class B CE Class B BSMI Class B
Warranty	2 Years
Notes	Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number	1
Maximum iSCSI Target Number	10
Maximum iSCSI LUN	10
SSD TRIM
Supported RAID Type	Basic
File Sharing Capacity
Maximum Local User Accounts	2048
Maximum Local Groups	256
Maximum Shared Folder	256
Maximum Shared Folder Sync Tasks	2
Maximum Concurrent CIFS/AFP/FTP Connections	200
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Log Center
Syslog Events per Second	100
Add-on Packages (learn more about the complete add-on package list)
Chat
Maximum Users	500
Notes	The number of concurrent HTTP connections for Chat was configured to the maximum. CPU and RAM usage were both under 80% when the number of maximum users was reached.
Cloud Station Server
Maximum Number of Concurrently Connected Devices	200
Maximum Number of Synced Files (ext4)	100,000 / single file reaction time 617 ms
Notes	The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing. File reaction time refers to the preparation time required for other devices to start downloading a 1KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing. Non-encrypted shared folders were used during the aforementioned testing.
Download Station
Maximum Concurrent Download Tasks	30
exFAT Access (optional)
Media Server
DLNA Compliance
Office
Maximum Users	100
Maximum Simultaneous Editing Users	30
Notes	CPU and RAM usage were both under 80% when the number of maximum users was reached. For tested models with expandable memory, the maximum amount of RAM was installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Surveillance Station
Maximum IP cam (Licenses required)	15 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)*	450 FPS @ 720p (1280x720)  180 FPS @ 1080p (1920×1080)  110 FPS @ 3M (2048x1536)  80 FPS @ 5M (2591x1944)  40 FPS @ 4K (3840x2160)
Total FPS (H.265)*	450 FPS @ 720p (1280x720)  450 FPS @ 1080p (1920×1080)  210 FPS @ 3M (2048x1536)  120 FPS @ 5M (2591x1944)  60 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*	210 FPS @ 720p (1280x720)  70 FPS @ 1080p (1920×1080)  50 FPS @ 3M (2048x1536)  30 FPS @ 5M (2591x1944)
Notes	Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Video Station
Video Transcoding	4K Group 3 (See more)
Maximum Transcoding Channel Number	1 channel, 30 FPS @ 4K (4096 x 2160), H.265 (HEVC), 10-bit or  1 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
VPN Server
Maximum Connections	5
Environment & Packaging
Environment	RoHS Compliant
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 RJ-45 LAN Cable X 1 Quick Installation Guide X 1
Optional Accessories	Surveillance Device License Pack Disk Holder: Type C VS360HD VS960HD

Synology DiskStation DS118 is a high-performance and compact 1-bay NAS, specifically designed for offices and home users to effectively manage, protect, and share data. Its new 64-bit quad-core processor supports 10-bit 4K H.265 video transcoding to enrich multimedia entertainment. Synology DS118 isbacked by Synology's 2-year limited warranty.
⚫Compact & quiet, blending into your small offices and home
⚫Dual-core CPU with hardware encryption engine
⚫Over 113 MB/s reading, 112 MB/s writing
⚫Dual USB 3.0 ports for external storages and printers
⚫Multimedia streaming via DLNA-certified media server
⚫Optional accessories Camera License Pack, 2.5 Disk Holder Type C, VS360HD
⚫Maximum IP camera: 16 (total of 480 FPS at 720p, H.264) (Including two free camera licenses. Procurement of additional licenses is required.)