{"product_id":"synology-network-attached-storage-ds918-4-bay-diskstation-1-5ghz-4gb-brown-box","title":"Synology Network Attached Storage DS918+ 4 bay DiskStation 1.5GHz 4GB Brown Box","description":"Synology Network Attached Storage DS918+ 4 bay DiskStation 1.5GHz 4GB Brown Box\u003cbr\u003e \u003cb\u003eHigh-speed scalable storage server\u003c\/b\u003e\u003cbr\u003eSynology DS918+ is designed for small and medium-sized businesses and IT enthusiasts. With a powerful built-in AES-NI hardware encryption engine, DS918+ provides exceptional encrypted file transmission. Also capable of transcoding up to two channels of H.265\/H.264 4K videos at the same time, DS918+ is ideal for sharing and storing ultra-high definition media content. \u003cbr\u003e\u003cb\u003eSatisfy your need for performance and capacity\u003c\/b\u003e\u003cbr\u003eDS918+ supports up to two M.2 NVMe 2280 SSDs, allowing fast system cache creation without occupying internal drive bays. Scalable up to 9 drives with a Synology Expansion Unit DX517, DS918+ answers the need for flexible storage capacity. \u003cbr\u003e\u003cb\u003eBtrfs: Next generation storage efficiency\u003c\/b\u003e\u003cbr\u003eBtrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:\u003cbr\u003e \u003cb\u003eHardware Specifications\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eCPU\u003c\/b\u003e\u003cbr\u003eCPU Model:Intel Celeron J3455\u003cbr\u003eCPU Architecture:64-bit\u003cbr\u003eCPU Frequency:Quad Core 1.5 burst up to 2.3 GHz\u003cbr\u003eHardware Encryption Engine (AES-NI):Yes\u003cbr\u003eHardware Transcoding Engine:H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1 maximum resolution: 4K (4096 x 2160) maximum frame rate per second (FPS): 30\u003cbr\u003e\u003cbr\u003e \u003cb\u003eMemory\u003c\/b\u003e\u003cbr\u003eSystem Memory:4 GB DDR3L\u003cbr\u003eMemory Module Pre-installed:4GB (1 x 4GB) \u003cbr\u003eTotal Memory Slots:2\u003cbr\u003eMemory Expandable up to:8 GB (4 GB x 2) \u003cbr\u003e\u003cbr\u003e \u003cb\u003eStorage\u003c\/b\u003e\u003cbr\u003eDrive Bays:4\u003cbr\u003eMaximum Drive Bays with Expansion Unit:9\u003cbr\u003eM.2 Drive Slots:2\u003cbr\u003eCompatible Drive Type :3.5\" SATA HDD\u003cbr\u003e2.5\" SATA HDD\u003cbr\u003e2.5\" SATA SSD\u003cbr\u003eM.2 NVMe 2280 SSD\u003cbr\u003eMaximum Internal Raw Capacity:48 TB (12 TB drive x 4) (Capacity may vary by RAID types) \u003cbr\u003eMaximum Raw Capacity with Expansion Units:108 TB (12 TB drive x 9) (Capacity may vary by RAID types) \u003cbr\u003eMaximum Single Volume Size:108 TB\u003cbr\u003eHot Swappable Drive:Yes\u003cbr\u003eNotes:\"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. \u003cbr\u003eThe maximum single volume size is not directly related to the maximum raw capacity. \u003cbr\u003e Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eFile System\u003c\/b\u003e\u003cbr\u003eInternal Drives:Btrfs\u003cbr\u003eEXT4\u003cbr\u003eExternal Drives:Btrfs\u003cbr\u003eEXT4\u003cbr\u003eEXT3\u003cbr\u003eFAT\u003cbr\u003eNTFS\u003cbr\u003eHFS+\u003cbr\u003eexFAT\u003cbr\u003eNotes:exFAT Access is purchased separately in Package Center. \u003cbr\u003e\u003cbr\u003e \u003cb\u003eOthers\u003c\/b\u003e\u003cbr\u003eSystem Fan:92 mm x 92 mm x 2 pcs\u003cbr\u003eFan Speed Mode:Full-Speed Mode\u003cbr\u003eCool Mode\u003cbr\u003eQuiet Mode\u003cbr\u003eBrightness adjustable front LED indicators:Yes\u003cbr\u003ePower Recovery:Yes\u003cbr\u003eNoise Level:19.8 dB(A) \u003cbr\u003eScheduled Power On\/Off:Yes\u003cbr\u003eWake on LAN\/WAN:Yes\u003cbr\u003ePower Supply Unit \/ Adapter:100W \u003cbr\u003eAC Input Power Voltage:100V to 240V AC\u003cbr\u003ePower Frequency:50\/60 Hz, Single Phase\u003cbr\u003ePower Consumption:28.8 W (Access) \u003cbr\u003e12.6 W (HDD Hibernation) \u003cbr\u003eBritish Thermal Unit:98.27 BTU\/hr (Access) \u003cbr\u003e42.99 BTU\/hr (HDD Hibernation) \u003cbr\u003e\u003cbr\u003e \u003cb\u003eEnvironment Temperature\u003c\/b\u003e\u003cbr\u003eOperating Temperature:5 \u003csup\u003eo\u003c\/sup\u003e C to 40 \u003csup\u003eo\u003c\/sup\u003e C (40 \u003csup\u003eo\u003c\/sup\u003e F to 104 \u003csup\u003eo\u003c\/sup\u003e F) \u003cbr\u003eStorage Temperature:-20 \u003csup\u003eo\u003c\/sup\u003e C to 60 \u003csup\u003eo\u003c\/sup\u003e C (-5 \u003csup\u003eo\u003c\/sup\u003e F to 140 \u003csup\u003eo\u003c\/sup\u003e F) \u003cbr\u003eRelative Humidity:5% to 95% RH\u003cbr\u003eCertification:FCC Class B\u003cbr\u003eCE Class B\u003cbr\u003eBSMI Class B\u003cbr\u003eWarranty:3 Years\u003cbr\u003eNotes:Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s). \u003cbr\u003e\u003cbr\u003e \u003cb\u003eDSM Specifications\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eStorage Management\u003c\/b\u003e\u003cbr\u003eMaximum Internal Volume Number:512\u003cbr\u003eMaximum iSCSI Target Number:32\u003cbr\u003eMaximum iSCSI LUN:256\u003cbr\u003eiSCSI LUN Clone\/Snapshot, Windows ODX:Yes\u003cbr\u003eSupported RAID Type:Synology Hybrid RAID\u003cbr\u003eBasic\u003cbr\u003eJBOD\u003cbr\u003eRAID 0\u003cbr\u003eRAID 1\u003cbr\u003eRAID 5\u003cbr\u003eRAID 6\u003cbr\u003eRAID 10\u003cbr\u003eRAID Migration:Basic to RAID 1\u003cbr\u003eBasic to RAID 5\u003cbr\u003eRAID 1 to RAID 5\u003cbr\u003eRAID 5 to RAID 6\u003cbr\u003eVolume Expansion with Larger HDDs:Synology Hybrid RAID\u003cbr\u003eRAID 1\u003cbr\u003eRAID 5\u003cbr\u003eRAID 6\u003cbr\u003eVolume Expansion by Adding a HDD:Synology Hybrid RAID\u003cbr\u003eRAID 5\u003cbr\u003eJBOD\u003cbr\u003eRAID 6 (with Expansion Unit) \u003cbr\u003eGlobal Hot Spare Supported RAID Type:Synology Hybrid RAID\u003cbr\u003eRAID 1\u003cbr\u003eRAID 5\u003cbr\u003eRAID 6 (with Expansion Unit) \u003cbr\u003eRAID 10 (with Expansion Unit) \u003cbr\u003e\u003cbr\u003e \u003cb\u003eSSD Support\u003c\/b\u003e\u003cbr\u003eSSD Read\/Write Cache (White Paper):Yes\u003cbr\u003eSSD TRIM:Yes\u003cbr\u003e\u003cbr\u003e \u003cb\u003eFile Sharing Capacity\u003c\/b\u003e\u003cbr\u003eMaximum Local User Accounts:2048\u003cbr\u003eMaximum Local Groups:256\u003cbr\u003eMaximum Shared Folder:512\u003cbr\u003eMaximum Shared Folder Sync Tasks8\u003cbr\u003eMaximum Concurrent CIFS\/AFP\/FTP Connections:1000\u003cbr\u003eWindows Access Control List (ACL) Integration:Yes\u003cbr\u003eNFS Kerberos Authentication:Yes\u003cbr\u003eHigh Availability Manager:Yes\u003cbr\u003eLog Center:Yes\u003cbr\u003eSyslog Events per Second:800\u003cbr\u003e\u003cbr\u003e \u003cb\u003eVirtualization\u003c\/b\u003e\u003cbr\u003eVMware vSphere 6 with VAAI:Yes\u003cbr\u003eWindows Server 2012:Yes\u003cbr\u003eWindows Server 2012 R2:Yes\u003cbr\u003eCitrix Ready:Yes\u003cbr\u003eOpenStack:Yes\u003cbr\u003e\u003cbr\u003e \u003cb\u003eAdd-on Packages\u003c\/b\u003e\u003cbr\u003eAntivirus by McAfee (Trial):Yes\u003cbr\u003eCentral Management System:Yes\u003cbr\u003eChat:Yes\u003cbr\u003eMaximum Users:1500\u003cbr\u003eNotes:The number of concurrent HTTP connections for Chat was configured to the maximum. \u003cbr\u003eCPU and RAM usage were both under 80% when the number of maximum users was reached. \u003cbr\u003eFor tested models with expandable memory, the maximum amount of RAM was installed. \u003cbr\u003eCloud Station Server:Yes\u003cbr\u003eMaximum Number of Concurrently Connected Devices:1000\u003cbr\u003eMaximum Number of Concurrently Connected Devices (with RAM expansion):2000\u003cbr\u003eMaximum Number of Synced Files (btrfs):1,000,000 \/ single file reaction time 744 ms\u003cbr\u003eMaximum Number of Synced Files (ext4):1,000,000 \/ single file reaction time 630 ms\u003cbr\u003eNotes: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. \u003cbr\u003eFile 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. \u003cbr\u003eNon-encrypted shared folders were used during the aforementioned testing. \u003cbr\u003eDocument Viewer:Yes\u003cbr\u003eDownload Station:Yes\u003cbr\u003eMaximum Concurrent Download Tasks:80\u003cbr\u003eexFAT Access (optional):Yes\u003cbr\u003eMailPlus \/ MailPlus Server:Yes\u003cbr\u003eFree Email Accounts:5 (Licenses required for additional accounts) \u003cbr\u003eRecommended MailPlus Client Number:Up to 90 (Btrfs) \/ 90 (ext4) \u003cbr\u003eMaximum Server Performance:840,000 (Btrfs) \/ 1,014,000 (ext4) emails per day, approx. 25.6 GB (Btrfs) \/ 30.9 GB (ext4) \u003cbr\u003eNotes:The CPU and RAM usages were both under 80% when testing recommended client numbers. \u003cbr\u003eFor tested models with expandable memory, the maximum amount of RAM was installed. \u003cbr\u003e\u003cbr\u003e Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed. \u003cbr\u003eThe performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. \u003cbr\u003eFunctions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only). \u003cbr\u003eMedia Server:Yes\u003cbr\u003eDLNA Compliance:Yes\u003cbr\u003eOffice:Yes\u003cbr\u003eMaximum Users:200\u003cbr\u003eMaximum Simultaneous Editing Users:80\u003cbr\u003eNotes:CPU and RAM usage were both under 80% when the number of maximum users was reached. \u003cbr\u003eFor tested models with expandable memory, the maximum amount of RAM was installed. \u003cbr\u003eClient performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 \/ 8GB RAM\u003cbr\u003eSnapshot Replication:Yes\u003cbr\u003eMaximum Snapshots per Shared Folder:1024\u003cbr\u003eMaximum Snapshots of all Shared Folder:65536\u003cbr\u003eSurveillance Station:Yes\u003cbr\u003eMaximum IP cam (Licenses required):40 (including 2 Free License) \u003cbr\u003eTotal FPS (H.264):1200 FPS at 720p (1280x720) \u003cbr\u003e840 FPS at 1080p (19201080) \u003cbr\u003e550 FPS at 3M (2048x1536) \u003cbr\u003e300 FPS at 5M (2591x1944) \u003cbr\u003e180 FPS at 4K (3840x2160) \u003cbr\u003eTotal FPS (H.265):1200 FPS at 720p (1280x720) \u003cbr\u003e1200 FPS at 1080p (19201080) \u003cbr\u003e900 FPS at 3M (2048x1536) \u003cbr\u003e550 FPS at 5M (2591x1944) \u003cbr\u003e300 FPS at 4K (3840x2160) \u003cbr\u003eTotal FPS (MJPEG):720 FPS at 720p (1280x720) \u003cbr\u003e500 FPS at 1080p (19201080) \u003cbr\u003e330 FPS at 3M (2048x1536) \u003cbr\u003e200 FPS at 5M (2591x1944)\u003cbr\u003e 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. \u003cbr\u003eVideo Station:Yes\u003cbr\u003eVideo Transcoding:4K Group 1 \u003cbr\u003eMaximum Transcoding Channel Number:2 channel, 30 FPS at 4K (4096 x 2160), H.264 (AVC)\/H.265 (HEVC) or 2 channel, 30 FPS  1080p (19201080), H.264 (AVC)\/H.265 (HEVC)\/MPEG-2\/VC-1\u003cbr\u003eVPN Server:Yes\u003cbr\u003eMaximum Connections:20\u003cbr\u003e\u003cbr\u003e \u003cb\u003eEnvironment  Packaging\u003c\/b\u003e\u003cbr\u003eEnvironment:RoHS Compliant\u003cbr\u003ePackaging Content:Main Unit X 1\u003cbr\u003eAccessory Pack X 1\u003cbr\u003eAC Power Adapter X 1\u003cbr\u003eAC Power Cord X 1\u003cbr\u003eRJ-45 LAN Cable X 2\u003cbr\u003eQuick Installation Guide X 1\u003cbr\u003eOptional Accessories:Surveillance Device License Pack\u003cbr\u003eD3NS1866L-4G RAM Module\u003cbr\u003eExpansion Unit: DX517 X 1\u003cbr\u003eVS360HD\u003cbr\u003eVS960HD\u003cbr\u003e\u003cbr\u003e \u003cb\u003eItem Dimension (L inchxW inchxH inch)\u003c\/b\u003e\u003cbr\u003e18 x 16 x 10\u003cbr\u003e \u003cb\u003eDIM Weight\u003c\/b\u003e\u003cbr\u003e 21.00lbs\u003cbr\u003e \u003cb\u003eWarranty Information\u003c\/b\u003e\u003cbr\u003e3 Years\u003cbr\u003e \u003cbr\u003e ","brand":"Synology","offers":[{"title":"Default Title","offer_id":7934236950575,"sku":"ASC207030","price":820.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0059\/4247\/6847\/products\/ASC207030_4065324d-3ccf-416e-a552-0af5cf04c3d1.jpg?v=1526563339","url":"https:\/\/demo-asicanada.myshopify.com\/products\/synology-network-attached-storage-ds918-4-bay-diskstation-1-5ghz-4gb-brown-box","provider":"demo-ASICanada","version":"1.0","type":"link"}