Thiết bị lưu trữ NAS Synology RS819

Synology RackStation RS819 là một thiết bị NAS dạng rackmount nhỏ gọn với 4 khay và kích thước 1U. Được hỗ trợ bởi Synology DiskStation Manager và công nghệ snapshot, RS819 cung cấp cho các nhóm làm việc kinh doanh những giải pháp đơn giản nhưng toàn diện để quản lý, chia sẻ, đồng bộ hóa và sao lưu dữ liệu. **NAS Rackmount 1U Nhỏ Gọn với Hiệu Suất Tốt** Synology RackStation RS819 là giải pháp NAS dạng rackmount 1U với 4 khay, phù hợp cho các nhóm làm việc doanh nghiệp. Với thiết kế chiều sâu 12 inch, RS819 dễ dàng lắp đặt trên giá 2 cột. Thiết bị trang bị bộ xử lý quad-core 64-bit, 2 GB RAM và hai cổng LAN Gigabit, cho tốc độ đọc và ghi tuần tự lần lượt trên 225 MB/s và 169 MB/s. Khả năng truyền dữ liệu mã hóa xuất sắc giúp bảo vệ an toàn cho dữ liệu. RS819 có thể mở rộng lưu trữ lên đến 8 ổ đĩa khi kết nối với đơn vị mở rộng RX4182. **Chia Sẻ Tệp Đa Nền Tảng và Đồng Bộ Dữ Liệu** RS819 hỗ trợ nhiều giao thức mạng, cho phép chia sẻ tệp liền mạch trên Windows, Mac® và Linux®. Tích hợp Windows AD và LDAP giúp kết nối dễ dàng vào mạng hiện có. Cloud Sync và Synology Drive hỗ trợ đồng bộ hóa dữ liệu với các dịch vụ đám mây và thiết bị khác, đồng thời đảm bảo bảo mật cao với HTTPS và tường lửa tích hợp. RS819 sử dụng hệ thống tệp Btrfs, mang đến các tính năng lưu trữ tiên tiến cho doanh nghiệp hiện đại:

• Ảnh chụp nhanh: Sao lưu thư mục chia sẻ tùy chỉnh mỗi 5 phút mà không tiêu tốn nhiều tài nguyên.
• Khôi phục dữ liệu: Cho phép khôi phục dễ dàng ở cấp độ tệp và thư mục, tiết kiệm thời gian.
• Hạn ngạch linh hoạt: Kiểm soát hạn ngạch toàn diện cho tất cả tài khoản người dùng và thư mục chia sẻ.
• Phiên bản tệp: Synology Drive sử dụng chỉ một nửa dung lượng so với ext4.
• LUN iSCSI: Cung cấp khả năng tạo, khôi phục và sao chép ảnh chụp nhanh nhanh chóng.

Hardware Specifications
CPU
CPU Model	Realtek RTD1296
CPU Architecture	64-bit
CPU Frequency	Quad Core 1.4 GHz
Hardware Encryption Engine
Memory
System Memory	2 GB DDR4
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.
Storage
Drive Bays	4
Maximum Drive Bays with Expansion Unit	8
Compatible Drive Type*(See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
Maximum Internal Raw Capacity	56 TB (14 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units	112 TB (56 TB + 14 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size	108 TB
Hot Swappable Drive
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.
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	Btrfs EXT4
External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT*
Notes	exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth)	44 mm x 478 mm x 327.5 mm
Weight	4.34 kg
Rack Installation Support	2-post 19" rack (direct mounting) 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
Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
Power Recovery
Noise Level*	28.9 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter	100W
AC Input Power Voltage	100V to 240V AC
Power Frequency	50/60Hz, Single Phase
Power Consumption*	28.31 W (Access) 10.1 W (HDD Hibernation)
British Thermal Unit	96.6 BTU/hr (Access) 34.46 BTU/hr (HDD Hibernation)
Temperature
Operating Temperature	5°C to 35°C (40°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 FCC CE BSMI
Warranty	3-year hardware warranty, extendable to 5-year coverage - EW201
Notes	The warranty period starts from the purchase date as stated on your purchase receipt. Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
DSM Specifications
Storage Management
Maximum Internal Volume Number	256
Maximum iSCSI Target Number	10
Maximum iSCSI LUN	10
iSCSI LUN Clone/Snapshot, Windows ODX
SSD TRIM
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) RAID 10 (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	200
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Account & Shared Folder
Maximum Local User Accounts	2,048
Maximum Local Groups	256
Maximum Shared Folder	256
Maximum Shared Folder Sync Tasks	4
Log Center
Syslog Events per Second	400
Add-on Packages
Chat
Maximum Users	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.
Cloud Station Server
Recommended Number of Hosted Files	100,000
Recommended Number of Concurrent Sync Clients	200 (the number of connections that can be maintained when the recommended number of hosted files was reached)
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.
Download Station
Maximum Concurrent Download Tasks	80
exFAT Access (optional)
Media Server
DLNA Compliance
Moments
Facial recognition
Subject recognition
Snapshot Replication
Maximum Snapshots per Shared Folder	256
Maximum of system snapshots	4,096
Surveillance Station
Maximum IP cam	30 (including 2 Free License)
Total FPS (H.264)*	900 FPS @ 720p (1280x720) 300 FPS @ 1080p (1920x1080) 240 FPS @ 3M (2048x1536) 150 FPS @ 5M (2591x1944) 110 FPS @ 4K (3840x2160)
Total FPS (H.265)*	900 FPS @ 720p (1280x720) 450 FPS @ 1080p (1920x1080) 360 FPS @ 3M (2048x1536) 250 FPS @ 5M (2591x1944) 180 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*	300 FPS @ 720p (1280x720) 200 FPS @ 1080p (1920x1080) 130 FPS @ 3M (2048x1536) 80 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	100,000 (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	200 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes	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
Maximum Users	200
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. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station
Video Transcoding	Group 2
VPN Server
Maximum Connections	20
Environment & Packaging
Environment	RoHS Compliant
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Cord X 1 Quick Installation Guide X 1
Optional Accessories	Surveillance Device License Pack Expansion Unit: RX418 X 1 Synology Rail Kit Sliding - RKS1317 Synology Rail Kit Mounted - RKM114 VS360HD VS960HD