DS918+
- Параметри: 4-bay (up to 9-bay) Synology NAS server for Small and Medium Business DS918+
- Други: Intel Celeron J3455 Quad Core 1.5GHz up to 2,3 GHz CPU, 4 GB DDR3L RAM (up to 8GB), 2x Gbit LAN, 1x eSATAport, 2x USB 3.0, 2x M.2 drive slot, HDD 4x 14TB (not incl.) / max 9x 12TB with extension DX513,RAID 0,1,5,6,10, hotswap HDD, File/Mail/FTP/Print/DHCP
- Гаранция: 36m
- стар продукт, не се предлага
Технически данни
CPU | |
CPU Model | Intel Celeron J3455 |
CPU Architecture | 64-bit |
CPU Frequency | Quad Core 1.5 burst up to 2.3 GHz |
Hardware Encryption Engine (AES-NI) | V |
Hardware 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 |
Memory | |
System Memory | 4 GB DDR3L |
Memory Module Pre-installed | 4GB (1 x 4GB) |
Total Memory Slots | 2 |
Memory Expandable up to | 8 GB (4 GB x 2) |
Storage | |
Drive Bays | 4 |
Maximum Drive Bays with Expansion Unit | 9 |
M.2 NVMe Drive Slots | 2 |
Compatible Drive Type* (See all supported drives) |
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Maximum Internal Raw Capacity | 48 TB (12 TB drive x 4) (Capacity may vary by RAID types) |
Maximum Raw Capacity with Expansion Units | 108 TB (48 TB + 12 TB drive x 5) (Capacity may vary by RAID types) |
Maximum Single Volume Size | 108 TB |
Hot Swappable Drive | V |
Notes |
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External Ports | |
RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) |
USB 3.0 Port | 2 |
eSATA Port | 1 |
File System | |
Internal Drives |
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External Drives |
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Notes | exFAT Access is purchased separately in Package Center. |
Appearance | |
Size (Height x Width x Depth) | 166 mm x 199 mm x 223 mm |
Weight | 2.28 kg |
Others | |
System Fan | 92 mm x 92 mm x 2 pcs |
Fan Speed Mode |
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Brightness adjustable front LED indicators | V |
Power Recovery | V |
Noise Level* | 19.8 dB(A) |
Scheduled Power On/Off | V |
Wake on LAN/WAN | V |
Power Supply Unit / Adapter | 100W |
AC Input Power Voltage | 100V to 240V AC |
Power Frequency | 50/60 Hz, Single Phase |
Power Consumption* | 28.8 W (Access) 12.6 W (HDD Hibernation) |
British Thermal Unit | 98.27 BTU/hr (Access) 42.99 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 |
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Warranty | 3 Years |
Notes |
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DSM Specifications ( See more ) | |
Storage Management | |
Maximum Internal Volume Number | 512 |
Maximum iSCSI Target Number | 32 |
Maximum iSCSI LUN | 256 |
iSCSI LUN Clone/Snapshot, Windows ODX | V |
SSD Read/Write Cache (White Paper) | V |
SSD TRIM | V |
Supported RAID Type |
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RAID Migration |
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Volume Expansion with Larger HDDs |
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Volume Expansion by Adding a HDD |
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Global Hot Spare Supported RAID Type |
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File Sharing Capacity | |
Maximum Local User Accounts | 2048 |
Maximum Local Groups | 256 |
Maximum Shared Folder | 512 |
Maximum Shared Folder Sync Tasks | 8 |
Maximum Concurrent CIFS/AFP/FTP Connections | 1000 |
Windows Access Control List (ACL) Integration | V |
NFS Kerberos Authentication | V |
High Availability Manager | V |
Log Center | V |
Syslog Events per Second | 800 |
Virtualization | |
VMware vSphere 6 with VAAI | V |
Windows Server 2012 | V |
Windows Server 2012 R2 | V |
Citrix Ready | V |
OpenStack | V |
Add-on Packages (learn more about the complete add-on package list) | |
Antivirus by McAfee (Trial) | V |
Central Management System | V |
Chat | V |
Maximum Users | 1500 |
Notes |
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Cloud Station Server | V |
Maximum Number of Concurrently Connected Devices | 1000 |
Maximum Number of Concurrently Connected Devices (with RAM expansion) | 2000 |
Maximum Number of Synced Files (btrfs) | 1,000,000 / single file reaction time 744 ms |
Maximum Number of Synced Files (ext4) | 1,000,000 / single file reaction time 630 ms |
Notes |
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Document Viewer | V |
Download Station | V |
Maximum Concurrent Download Tasks | 80 |
Drive | V |
Maximum Number of Synced Files | 500,000 / single file reaction time 362 ms |
Maximum Number of Concurrent Connections for PC Clients | 450 |
Notes |
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exFAT Access (optional) | V |
MailPlus / MailPlus Server | V |
Free Email Accounts | 5 (Licenses required for additional accounts) |
Recommended MailPlus Client Number | Up to 90 (Btrfs) / 90 (ext4) |
Maximum Server Performance | 840,000 (Btrfs) / 1,014,000 (ext4) emails per day, approx. 25.6 GB (Btrfs) / 30.9 GB (ext4) |
Notes |
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Media Server | V |
DLNA Compliance | V |
Moments | V |
Facial recognition | V |
Subject recognition | V |
Office | V |
Maximum Users | 1800 |
Notes |
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Snapshot Replication | V |
Maximum Snapshots per Shared Folder | 1024 |
Maximum Snapshots of all Shared Folder | 65536 |
Surveillance Station | V |
Maximum IP cam (Licenses required) | 40 (including 2 Free License) (See All Supported IP Cameras) |
Total FPS (H.264)* | 1200 FPS @ 720p (1280x720) 840 FPS @ 1080p (1920×1080) 550 FPS @ 3M (2048x1536) 300 FPS @ 5M (2591x1944) 180 FPS @ 4K (3840x2160) |
Total FPS (H.265)* | 1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920×1080) 900 FPS @ 3M (2048x1536) 550 FPS @ 5M (2591x1944) 300 FPS @ 4K (3840x2160) |
Total FPS (MJPEG)* | 720 FPS @ 720p (1280x720) 500 FPS @ 1080p (1920×1080) 330 FPS @ 3M (2048x1536) 200 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 | V |
Video Transcoding | 4K Group 1 (See more) |
Maximum Transcoding Channel Number | 2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or 2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1 |
Virtual Machine Manager | V |
Maximum Virtual DSM Number (Licenses required) | 4 (including 1 Free License) (Learn more) |
Notes | Virtual Machine Manager is not supported on hosts running Synology High Availability. |
VPN Server | V |
Maximum Connections | 20 |
Environment & Packaging | |
Environment | RoHS Compliant |
Packaging Content |
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Optional Accessories |
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