User manual
Synology DiskStation 12TB DS218j 2-Bay NAS

User Manual for Synology DiskStation 12TB DS218j 2-Bay NAS Enclosure Kit with WD NAS Drives

• Product category: Network Attached Storage Drives Synology
• Brand: Synology
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Synology Network Attached Storage Drives

Product description

• Synology DiskStation DS218j 2-Bay NAS Enclosure Designed for home users who need to back up digital assets with low power consumption, the DiskStation DS218j 2-Bay NAS Enclosure from Synology is an entry-level NAS for personal cloud storage that delivers rapid data transmission, with sequential read speeds of up to 113 MB/s and sequential write speeds of up to 112 MB/s. It is equipped with two drive bays that are capable of natively supporting 3.5" SATA hard drives, as well as 2.5" SATA hard drives and SSDs with a drive bay adapter. Using its dual drive bays, this NAS will allow you to store and share a large number of files, including videos, music, photos, and documents with up to 1024 user accounts.
  
  The DS218j runs on Synology DiskStation Manager (DSM) OS, which is a browser-based operating system which helps to simplify managing your Synology NAS. Its CPU is a 1.3 GHz Marvell Armada 385 88F6820 Dual-Core and its 512MB of DDR3 RAM allows frequently-used files and applications to be quickly accessed. Also featured are two USB 3.0 Type-A ports which allow it to be connected to your Windows or Mac system, and network connectivity is achieved via the integrated Gigabit Ethernet port, allowing your stored data to be shared with users throughout the network. Data may also be made remotely available through the free iOS and Android applications. The DS218j is also able to function as a multimedia solution for management, streaming, and playback.
  
  For those who require RAID support, the DS218 supports RAID 0 and 1, as well Synology Hybrid RAID and Basic RAID, each of which offers performance, data redundancy, or a combination of both. For those who do not require a RAID, JBOD is also available, allowing each drive bay to be individually utilized.
  
  The DS218j is engineered to be energy efficient. Not only does it offer a 92 x 92mm fan to help keep the system running cool at all times, its noise dampening design of 18.2 dB(A) makes for quiet operations. The server supports numerous scheduled power on / off cycles and hard drive hibernation to further minimize power consumption and operation expenses.
  
  The Synology DiskStation DS218j 2-Bay NAS Enclosure operates on 100-240 VAC at 50/60 Hz and includes an accessory pack, a 60W AC power adapter, a power cord, and an RJ45 LAN cable. It is protected by a limited 2-year warranty.

  General Features

  Cost-Effective Home Storage Server
  • Back up your digital assets with the Synology DS218j, a 2-bay NAS with sequential reads up to 113 MB/s and sequential writes up to 112 MB/s, power efficiency of 17.48W in HDD access and 7.03W in HDD hibernation, all of which is made for home users.
  Cloud Station Backup for PC Protection
  • Back up virtually any computer or mobile device with Synology's comprehensive multi-versioning backup solution. You can protect your computer and NAS against malicious attacks including the rising encryption-based ransomware threats.
  Synchronize Files Across Your Devices
  • Cloud Station Suite provides real-time data synchronization across all your devices and other Synology NAS. "Intelliversioning" keeps the most important file versions to better utilize storage space.
  User-Friendly File Access with QuickConnect
  • Access files on your Synology NAS over the Internet without the hassle of setting up port forwarding rules, DDNS, or other complicated network settings. QuickConnect allows you to connect via a secure, customizable address, so that you can instantly access media and work files on most Internet-connected devices with no additional charge.
  Seamless Integration with Your Mobile Devices
  • Synology mobile applications, such as DS audio, DS Photo, and DS video, are designed to allow quick and secure access to your data.
  Powered by Synology DSM
  • Surveillance Station
    Complete surveillance solution for recording, monitoring, and management.
    
    Desktop Backup
    Simplified backup solution for your Windows, Mac, and mobile devices.
    
    File Server/Management
    Powerful built-in file management and sharing services..
    
    DSM UI
    Synology's DSM operating system has an intuitive user interface and powerful capabilities.
    
    Security
    Comprehensive built-in security tools and constantly updated to tackle evolving threats and protect your devices.
    
    Multimedia
    Complete multimedia solution for management, streaming, and playback.
  UPC: 846504002818
• 2 x WD 6TB Red 5400 rpm SATA III 3.5" Internal NAS HDD (OEM) Designed with home and small office/business customers in mind, the 6TB Red 5400 rpm SATA III 3.5" Internal NAS HDD from WD is well-suited for NAS environments with up to eight 3.5" drive bays. Engineered to handle increased workloads, this 6TB drive operates using a SATA III 6 Gb/s interface, a 64MB cache, and a rotational speed of 5400 rpm, all of which help to ensure uninterrupted data transfers with a sustained rate of up to 175 MB/s. This drive also features high levels of reliability, with 600,000 load/unload cycles, <10 in 10¹⁴ non-recoverable read errors per bits read, error recovery controls, and 1,000,000 hours MTBF for 1-8 bay NAS systems. Also built into this drive are noise and vibration protection and WD's NASware 3.0 helps increase system compatibility, allowing WD Red drives to be more easily integrated with your existing network infrastructure.

  General Features

  Fill Your NAS with WD Red
  • Built for 1 to 8-bay NAS systems, WD Red lets users store their data in one unit
  NASware 3.0 Technology
  • Built into every WD Red hard drive, NASware 3.0's technology helps improves your system's storage performance by increasing compatibility, integration, upgradeability, and reliability
  Built for NAS Compatibility
  • Desktop drives aren't purpose-built for NAS, but WD Red drives with NASware are. WD's technology helps takes the guesswork out of selecting a drive. WD Red is for small NAS systems and WD's algorithm balances performance and reliability in NAS and RAID environments
  Desktop Drives vs. WD Red
  • Desktop hard drives are not designed for NAS environments. Do right by your NAS and choose a drive with an array of features to help preserve your data and maintain optimum performance. Take the following into consideration when choosing a hard drive for your NAS:
    
  • Compatibility: Without being tested for compatibility with your NAS system, improved performance is not guaranteed
  • Reliability: The always-on environment of a NAS or RAID is a hot one and desktop drives aren't typically tested in those conditions. WD Red is
  • Error Recovery Controls: WD Red NAS hard drives are specifically designed with RAID error recovery control to help reduce failures within the NAS system. Desktop drives are not typically designed for RAID environments where this can be an issue
  • Noise and Vibration Protection: Designed to operate solo, desktop drives offer little or no protection from the noise and vibration faced in a multi-drive system. WD Red drives are designed for multi-bay NAS systems
  WD Red for Home
  • Stream, backup, share, and organize your digital content at home with a NAS and WD Red drives designed to share content to the devices in your home. Red NASware helps increase your drives' compatibility with your devices, TV, stereo, and more
  WD Red for Small Business
  • WD Red is a good hard drive choice for 1 to 8 bay systems. NASware 3.0 allows for integration with your existing network so WD Red can share and backup files at the speed of your business. For larger businesses with up to 16 bays, use WD Red Pro
  3D Active Balance Plus
  • This helps ensure your data is protected from excessive vibration and noise in a NAS or RAID environment. This dual-plane balance control helps reduce the degradation of your drive over time
  Reliability
  • Since your NAS system is always on, a reliable drive is essential. With an MTBF of up to 1 million hours, the WD Red drive with NASware 3.0 is designed for 24x7 environments
  Cooler Operations
  • By reducing power consumption, the operating temperature of your NAS stays cooler. With a lower temperature in your system, you can create a more reliable solution for your NAS
  UPC: 718037827582

• DiskStation DS218j 2-Bay NAS Enclosure ztuwfwecrqbdwevyqerfexssezsrawcv
• Accessory Pack
• 60W AC Power Adapter
• AC Power Cord
• RJ45 LAN Cable
• Limited 2-Year Warranty

• 2 x WD - 6TB Red 5400 rpm SATA III 3.5" Internal NAS HDD (OEM) ztuwfwecrqbdwevyqerfexssezsrawcv

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Technical parameters

• Synology DiskStation DS218j 2-Bay NAS Enclosure

  Number of Bays	2 x 3.5"
  Media Card Slots	None
  Maximum Filled Capacity	24 TB
  Connections	2 x USB Type-A (USB 3.1 Gen 1 (5 Gb/s)) 1 x RJ45 (Gigabit Ethernet)
  Compatible Drive Interface	SATA

  Total Raw Capacity	None
  Type	None
  Flash Memory	None

  Processor	Marvell Armada 385 88F6820 Dual-Core
  Clock Speed	Base: 1.33GHz
  Total Installed Memory	512 MB DDR3

  Supported Protocols	AFP CIFS/SMB CalDAV FTP NFS OpenVPN PPTP SNMP SSH Telnet WebDAV iSCSI

  OS Compatibility	Windows 7 Windows 8.1 Windows 10 macOS 10.11 or Later
  File System Formats Supported	External: EXT3, EXT4, FAT, HFS+, NTFS Internal: EXT4
  Supported Browsers	Chrome, Firefox, Internet Explorer, Safari
  Supported Languages	Brazilian Portuguese Czech Danish Dutch English French Hungarian Italian Japanese Korean Norwegian Polish Portuguese Russian Simplified Chinese Spanish Swedish Traditional Chinese Turkish

  Power Consumption	17.48 W (Typical) 7.03 W (Standby)
  Power Source	AC Adapter
  AC Input Power	100 to 240 VAC, 50 / 60 Hz
  DC Input Power	60 VDC

  VPN Server Connections	5

  Operating Temperature	40 to 104°F / 5 to 40°C
  Operating Humidity	5 to 95%
  Storage Temperature	-5 to 140°F / -21 to 60°C
  Certifications	BSMI, CE, EAC, FCC, RCM, as per Manufacturer

  Cooling	1 x 92 mm Fan
  Noise Level	18.2 dBA
  Status Monitoring	LED Indicator
  Dimensions	6.5 x 3.9 x 8.8" / 165.0 x 100.0 x 222.5 mm
  Weight	1.9 lb / 0.9 kg

  Box Dimensions (LxWxH)	11.4 x 10.5 x 4.8"

• 2 x WD 6TB Red 5400 rpm SATA III 3.5" Internal NAS HDD (OEM)

  Drive Capacity	6.0 TB
  Cache Memory	64 MB

  Interface	SATA III (6 Gb/s)
  Sequential Read Speed	175 MB/s

  Drive Type	HDD
  Form Factor	3.5"
  Noise Level	28.0 dB (Active) 25.0 dB (Idle)

  Spindle Speed (RPM)	5400 RPM

  Load/Unload Cycles	600,000
  Mean Time Between Failures (MTBF)	1.0 Million Hours
  Non-Recoverable Read Errors per Bits Read	< 1 in 1014

  Power Draw	5.3 W (Active) 3.4 W (Idle) 0.4 W (Standby)
  Supported Voltage	12 VDC
  Current	1.75 A at 12 VDC

  Operating Shock	30 G / 2.0 ms
  Storage Shock	250 G / 2.0 ms
  Operating Temperature	32 to 149°F / 0 to 65°C
  Storage Temperature	-40 to 158°F / -40 to 70°C

  Certifications	RoHS, as per Manufacturer
  Dimensions (W x H x D)	4.0 x 5.8 x 1.0" / 101.6 x 147.3 x 25.4 mm
  Weight	1.6 lb / 0.8 kg

  Box Dimensions (LxWxH)	9.0 x 6.1 x 2.8"

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