Мрежови диск (NAS) Synology RS820+_EW, четириядрен Intel Atom C3538 2.1 GHz, без твърд диск, 2GB DDR4, 4x 1GbE port, 2x USB 3.0

Synology RS820+_EW

Спецификации:


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: 2 GB DDR4
Total Memory Slots: 1
Memory Expandable up to 18 GB (2GB + 16 GB)
Notes

Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.

This model does not support the ECC feature, regardless of whether the expansion memory is ECC or non-ECC.

Storage
Drive Bays: 4
Maximum Drive Bays with Expansion Unit: 8

Compatible Drive Type*
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD

Maximum Internal Raw Capacity: 64 TB (16 TB drive x 4) (Capacity may vary by RAID types)

Maximum Raw Capacity with Expansion Units: 128 TB (64 TB + 16 TB drive x 4) (Capacity may vary by RAID types)

Maximum Single Volume Size*: 108 TB

Hot Swappable Drive: Yes

External Ports
RJ-45 1GbE LAN Port: 4 (with Link Aggregation / Failover support)
USB 3.0 Port: 2
eSATA Port: 1

PCIe
PCIe Expansion 1 x Gen3 x8 slot (black, x4 link)
Add-In-Card Support
PCIe Network Interface Card (Learn more)
M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache

File System
Internal Drives
Btrfs
EXT4

External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT*

Notes exFAT Access is purchased separately in Package Center.

Appearance
Form Factor (RU): 1U

Size (Height x Width x Depth)
44 mm x 480 mm x 492.6 mm
44 mm x 480 mm x 518.6 mm (for RP model)

Weight
6.4 kg
7.96 kg (for RP model)

Rack Installation Support*: 4-post 19" rack (Synology Rail Kit - RKM114/RKS1317)

Notes: The rail kit is sold separately

Others
System Fan: 40 mm x 40 mm x 3 pcs
40 mm x 40 mm x 2 pcs (for RP model)

Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode

Power Recovery: yes

Noise Level*: 27 dB(A)
39.9 dB(A) (for RP model)

Power Supply Unit / Adapter: 150 W
Redundant Power Supply: yes (for RP model)
AC Input Power Voltage 100 V to 240 V AC
Power Frequency 50/60 Hz, Single Phase

Power Consumption*:
37.94 W (Access)
20.96 W (HDD Hibernation)
38.88 W (Access) (for RP model)
22.17 W (HDD Hibernation) (for RP model)

British Thermal Unit
129.54 BTU/hr (Access)
71.57 BTU/hr (HDD Hibernation)
132.75 BTU/hr (Access) (for RP model)
75.70 BTU/hr (HDD Hibernation) (for RP model)

Temperature
Operating Temperature 0°C to 35°C (32°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH

Certification
EAC
VCCI
CCC
RCM
KC
FCC
CE
BSMI

DSM Specifications
Storage Management
Maximum Internal Volume Number: 64
Maximum iSCSI Target Number: 128
Maximum iSCSI LUN: 256
SCSI LUN Clone/Snapshot, Windows ODX: V
SSD Read / Write Cache: V
SSD TRIM: V

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 (with Expansion Unit)

Global Hot Spare Supported RAID Type
Synology Hybrid RAID
RAID 1
RAID 5
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)

File Services
File Protocol CIFS/AFP/NFS/FTP/WebDAV

Maximum Concurrent CIFS/AFP/FTP Connections: 500
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion): 2,000

Windows Access Control List (ACL) Integration: V
NFS Kerberos Authentication: V

Account & Shared Folder
Maximum Local User Accounts: 2,048

Maximum Local Groups: 256
Maximum Shared Folder: 512
Maximum Shared Folder Sync Tasks: 8

High Availability
Synology High Availability: V

Log Center
Syslog Events per Second: 800

Virtualization
VMware vSphere 6 with VAAI: V
Windows Server 2016: V
Citrix Ready: V
OpenStack: V

General Specifications
Networking Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV

Supported Browsers
Chrome
Firefox
Edge
Internet Explorer 10 onwards
Safari 10 onwards
Safari (iOS 10 onwards)
Chrome (Android 6.0 onwards)

Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文

Add-on Packages view the complete package list
Antivirus by McAfee (Trial)
V
Central Management System
V

Synology Chat
Maximum Users 1,500

Notes
The number of concurrent HTTP connections for Synology 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.

Document Viewer
V

Download Station
Maximum Concurrent Download Tasks 80

exFAT Access (Optional)
V

Synology MailPlus / MailPlus Server
Free Email Accounts 5 (Licenses required for additional accounts)

Maximum Number of Concurrent Users 150

Maximum Server Performance 1,484,000 emails per day, approx. 45GB

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.
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
DLNA Compliance: V

Moments
Facial Recognition: V

Subject Recognition: V
Auto Color & Rotate: V
Moments Select: V

Snapshot Replication
Maximum Snapshots per Shared Folder 1,024

Maximum of System Snapshots: 65,536

Maximum Server Performance: 1,484,000 emails per day, approx. 45GB

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.
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
DLNA Compliance V

Moments
Facial Recognition V
Subject Recognition V
Auto Color & Rotate V
Moments Select V

Snapshot Replication
Maximum Snapshots per Shared Folder 1,024
Maximum of System Snapshots 65,536

Surveillance Station
Maximum IP cam

Total FPS (H.264)*
1200 FPS @ 720p (1280x720)
800 FPS @ 1080p (1920x1080)
340 FPS @ 3M (2048x1536)
240 FPS @ 5M (2591x1944)
120 FPS @ 4K (3840x2160)

Total FPS (H.265)*
1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
880 FPS @ 3M (2048x1536)
480 FPS @ 5M (2591x1944)
280 FPS @ 4K (3840x2160)

Total FPS (MJPEG)*
380 FPS @ 720p (1280x720)
250 FPS @ 1080p (1920x1080)
190 FPS @ 3M (2048x1536)
140 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.

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 Sync 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.

Video Station
Video Transcoding: Group 1 - Type 1 (See more)
Maximum Transcoding Channel Number: 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1

Virtual Machine Manager
Recommended Virtual Machine Instances: 4

Recommended Virtual DSM Number (Licenses required) 4 (including 1 Free License)


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