Synology DS420j 4 bay (Diskless) NAS / 1GB DDR4 / USB 3.0 RJ45 Network Attached Storage
$425.63
Was: $510.76
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In Stock
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Product Code:
13934
Brand:
Synology
Mfg Sku:
DS420J
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Specification
Synology DS420j 4 bay (Diskless) NAS / 1GB DDR4 / USB 3.0 RJ45 Network Attached Storage
UPC: 846504003723
Detail Specifications
| Hardware Specifications CPU CPU Model Intel Atom C3538 CPU Architecture 64-bit CPU Frequency Quad Core 2.1 GHz Hardware Encryption Engine (AES-NI) Yes |
| Memory System Memory 4 GB DDR4 Memory Module Pre-installed 4 GB (4 GB x 1) Total Memory Slots 2 Memory Expandable up to 32 GB (16 GB x 2) Notes Synology reserves the right to replace memory modules with the same or higher frequency based on suppliers product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. |
| Storage Drive Bays 12 Maximum Drive Bays with Expansion Unit 24 Compatible Drive Type 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD Maximum Internal Raw Capacity 168 TB (14 TB drive x 12) (Capacity may vary by RAID types) Maximum Raw Capacity with Expansion Units 336 TB (168 TB + 14 TB drive x 12) (Capacity may vary by RAID types) Maximum Single Volume Size 108 TB Hot Swappable Drive Yes 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. Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB. |
| 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 M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache PCIe Network Interface Card |
| File System Internal Drives Btrfs EXT4 External Drives Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT Notes exFAT Access is purchased separately in Package Center. |
| Others System Fan 120 mm x 120 mm x 2 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Easy Replacement System Fan Yes Power Recovery Yes Noise Level 22.3 dB(A) Scheduled Power On/Off Yes Wake on LAN/WAN Yes Power Supply Unit / Adapter 500W AC Input Power Voltage 100V to 240V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 101.6 W (Access) 43.96 W (System Hibernation) British Thermal Unit 346.9 BTU/hr (Access) 150.09 BTU/hr (System Hibernation) |
| Environment Temperature Operating Temperature 0oC to 40oC (32oF to 104oF) Storage Temperature -20oC to 60oC (-5oF to 140oF) Relative Humidity 5% to 95% RH |
| Certification FCC CE BSMI EAC VCCI CCC RCM |
| Notes Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s). 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: 24.25-25.75oC, Humidity: 58.2-61.8% |
| DSM Specifications Storage Management Maximum Internal Volume Number 512 Maximum iSCSI Target Number 128 Maximum iSCSI LUN 256 iSCSI LUN Clone/Snapshot, Windows ODX Yes SSD Read/Write Cache Yes SSD TRIM Yes Supported RAID Type Synology Hybrid RAID Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10 RAID Migration Basic to RAID 1 Basic to RAID 5 RAID 1 to RAID 5 RAID 5 to RAID 6 Volume Expansion with Larger HDDs Synology Hybrid RAID RAID 1 RAID 5 RAID 6 RAID 10 Volume Expansion by Adding a HDD Synology Hybrid RAID JBOD RAID 5 RAID 6 Global Hot Spare Supported RAID Type Synology Hybrid RAID RAID 1 RAID 5 RAID 6 RAID 10 |
| File Services File Protocol CIFS/AFP/NFS/FTP/WebDAV Maximum Concurrent CIFS/AFP/FTP Connections 1,000 Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2,000 Windows Access Control List (ACL) Integration Yes NFS Kerberos Authentication Yes |
| Account and Shared Folder Maximum Local User Accounts 2,048 Maximum Local Groups 256 Maximum Shared Folder 512 Maximum Shared Folder Sync Tasks 16 |
| High Availability Manager Yes |
| Log Center Yes Syslog Events per Second 800 |
| Virtualization VMware vSphere 6 with VAAI Yes Windows Server 2016 Yes Citrix Ready Yes OpenStack Yes |
| Add-on Packages Antivirus by McAfee (Trial) Yes |
| Central Management System Yes |
| Chat Yes Maximum Users 1,500 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. For tested models with expandable memory, the maximum amount of RAM was installed. |
| Cloud Station Server Yes Maximum Number of Concurrently Connected Devices 1,000 Maximum Number of Concurrently Connected Devices (with RAM expansion) 2,000 Maximum Number of Hosted Files (btrfs) 1,000,000 Maximum Number of Hosted Files (ext4) 1,000,000 Notes The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing. Non-encrypted shared folders were used during the aforementioned testing. |
| Document Viewer Yes |
| Download Station Yes Maximum Concurrent Download Tasks 80 |
| exFAT Access (optional) Yes |
| MailPlus / MailPlus Server Yes Free Email Accounts 5 Maximum number of concurrent users Up to 150 Maximum Server Performance 1,484,000 emails per day, approx. 45 GB Notes The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users. For tested models with expandable memory, the maximum amount of RAM was installed. Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed. The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only). |
| Media Server Yes DLNA Compliance Yes |
| Moments Yes Facial recognition Yes Subject recognition Yes Auto Color and Rotate Yes Moments Select Yes |
| Snapshot Replication Yes Maximum Snapshots per Shared Folder 1024 Maximum of system snapshots 65536 |
| Surveillance Station Yes Maximum IP cam 40 (including 2 Free License) Total FPS (H.264) 1200 FPS at 720p (1280x720) 960 FPS at 1080p (19201080) 520 FPS at 3M (2048x1536) 320 FPS at 5M (2591x1944) 240 FPS at 4K (3840x2160) Total FPS (H.265) 1200 FPS at 720p (1280x720) 1200 FPS at 1080p (19201080) 880 FPS at 3M (2048x1536) 520 FPS at 5M (2591x1944) 400 FPS at 4K (3840x2160) Total FPS (MJPEG) 560 FPS at 720p (1280x720) 270 FPS at 1080p (19201080) 190 FPS at 3M (2048x1536) 110 FPS at 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. |
| Synology Drive Recommended Number of Hosted Files 1,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) Recommended Number of Concurrent Connections for PC Clients 550 (the number of connections that can be maintained when the recommended number of hosted files was reached) Notes For tested models with expandable memory, the maximum amount of RAM was installed. Exceeding the limits above may result in longer response time in file operations. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing. |
| Synology Office Yes Maximum Users 1,800 Notes Multiple files were opened for testing and each file was edited by 30 users simultaneously. 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 |
| Video Station Yes Video Transcoding Group 1 - Type 1 Maximum Transcoding Channel Number 1 channel, 30 FPS at 1080p(19201080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 |
| Virtual Machine Manager Yes Recommended Virtual Machine Instances 4 Recommended Virtual DSM Number 4 (including 1 Free License) Notes Virtual Machine Manager is not supported on hosts running Synology High Availability. |
| VPN Server Yes Maximum Connections 30 |
| Environment and Packaging Environment RoHS Compliant |
| Packaging Content Main Unit X 1 Accessory Pack X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1 |
| Optional Accessories Surveillance Device License Pack D4NS2133-4G DDR4 non-ECC SO-DIMM RAMEC2133DDR4SO-16G DDR4 ECC SO-DIMM Expansion Unit: DX1215 X 1 VS360HD VS960HD Synology Ethernet Adapter E10G18-T1 Synology Ethernet Adapter E10G18-T2 Synology Ethernet Adapter E10G17-F2 Synology M2D18 M.2 SSD adapter card Notes If multiple memory modules of different frequency are installed in the same system, all memory modules will be operated at the lowest frequency available. |
| Item Dimension (L"xW"xH") 14 x 12 x 11 Weight 20.94LB Warranty Information 3 Years Manufacture Warranty |