Thiết bị lưu trữ NAS Synology DS1819+

Synology DS1819+ là một NAS 8-bay được thiết kế cho các doanh nghiệp vừa và nhỏ, cung cấp hiệu suất vượt trội với khả năng mở rộng tuyệt vời. Với nhiều ứng dụng tích hợp và công nghệ bảo vệ dữ liệu toàn diện, DS1819+ đáp ứng các nhu cầu kinh doanh khác nhau trong khi bảo vệ tài sản số quý giá của người dùng. DS1819+ được bảo hành giới hạn 3 năm từ Synology. **Lưu Trữ Mở Rộng với Hiệu Suất Vượt Trội** DS1819+ là thiết bị lưu trữ mạng 8-bay để bàn, lý tưởng cho các doanh nghiệp đang phát triển với khả năng mở rộng và hiệu suất cao. Bạn có thể mở rộng lên đến 18 ổ đĩa với hai thiết bị DX517. Bộ chuyển đổi SSD M.2 M2D183 giúp tăng tốc IOPS ngẫu nhiên, trong khi bộ chuyển đổi Ethernet 10Gb tùy chọn nâng cao băng thông truyền dữ liệu. Với bộ xử lý tứ lõi và 4 GB bộ nhớ (nâng cấp tối đa 32 GB), DS1819+ cung cấp tốc độ truyền tải hơn 2.045 MB/s khi đọc và 656 MB/s khi ghi trong môi trường 10Gb Ethernet. Bốn cổng LAN Gigabit hỗ trợ chuyển đổi lỗi và tổng hợp liên kết, phù hợp cho môi trường ảo hóa hiện có. **Btrfs: Hiệu Quả Lưu Trữ Thế Hệ Mới** Hệ thống tệp Btrfs mang đến công nghệ lưu trữ tiên tiến: • **Chụp Ảnh Nâng Cao**: Sao lưu thư mục chia sẻ với khoảng thời gian tối thiểu 5 phút mà không tiêu tốn nhiều tài nguyên. • **Khôi Phục Dữ Liệu Linh Hoạt**: Cho phép khôi phục tệp hoặc thư mục cụ thể dễ dàng. • **Hạn Ngạch Toàn Diện**: Kiểm soát hạn ngạch cho tất cả tài khoản và thư mục chia sẻ. • **Tự Phục Hồi Tệp**: Phát hiện và khôi phục tệp bị hỏng bằng siêu dữ liệu gương và RAID hỗ trợ. • **LUN Nâng Cao**: Dịch vụ iSCSI hiện đại giúp tạo, khôi phục và nhân bản chụp ảnh nhanh chóng. [caption id="attachment_6019" align="aligncenter" width="644"] Tân Long cung cấp thiết bị lưu trữ dữ liệu Synology chính hãng.[/caption]

Hardware Specifications
CPU
CPU Model	Intel Atom C3538
CPU Architecture	64-bit
CPU Frequency	Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory	4 GB DDR4
Memory Module Pre-installed	4GB (1 x 4GB)
Total Memory Slots	2
Memory Expandable up to	32 GB (16 GB x 2)
Storage
Drive Bays	8
Maximum Drive Bays with Expansion Unit	18
Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
Maximum Internal Raw Capacity	112 TB (14 TB drive x 8) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units	252 TB (112 TB + 14 TB drive x 10) (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. (Learn more) 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	4
eSATA Port	2
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.
Appearance
Size (Height x Width x Depth)	166 mm x 343 mm x 243 mm
Weight	6 kg
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
Brightness adjustable front LED indicators
Power Recovery
Noise Level*	22.2 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter	250W
AC Input Power Voltage	100V to 240V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption*	66.96 W (Access) 29.39 W (HDD Hibernation)
British Thermal Unit	228.63 BTU/hr (Access) 100.35 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-20°C to 60°C (-5°F to 140°F)
Relative Humidity	5% to 95% RH
Certification	FCC CE BSMI EAC VCCI CCC RCM KC
Warranty	3 Year Hardware Warranty,
Notes	Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s). 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: 24.25-25.75˚C; 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
SSD Read/Write Cache
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
Volume Expansion by Adding a HDD	Synology Hybrid RAID RAID 5 RAID 6 JBOD
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
NFS Kerberos Authentication
Account & 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
Log Center
Syslog Events per Second	800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages
Antivirus by McAfee (Trial)
Central Management System
Chat
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
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
Download Station
Maximum Concurrent Download Tasks	80
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts	5
Maximum number of concurrent users	Up to 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. 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
DLNA Compliance
Moments
Facial recognition
Subject recognition
Snapshot Replication
Maximum Snapshots per Shared Folder	1024
Maximum of system snapshots	65536
Surveillance Station
Maximum IP cam (Licenses required)	40 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)*	1200 FPS @ 720p (1280x720) 960 FPS @ 1080p (1920×1080) 520 FPS @ 3M (2048x1536) 320 FPS @ 5M (2591x1944) 240 FPS @ 4K (3840x2160)
Total FPS (H.265)*	1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920×1080) 880 FPS @ 3M (2048x1536) 520 FPS @ 5M (2591x1944) 400 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*	560 FPS @ 720p (1280x720) 270 FPS @ 1080p (1920×1080) 190 FPS @ 3M (2048x1536) 110 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 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
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
Video Transcoding	Group 1 - Type 1
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 (Learn more)
Recommended Virtual DSM Number (Licenses required)	4 (including 1 Free License)
Notes	Virtual Machine Manager is not supported on hosts running The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections	30
Environment & 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: DX517 X 2 VS360HD VS960HD Synology Ethernet Adapter E10G18-T1 Synology Ethernet Adapter E10G18-T2 Synology Ethernet Adapter E10G17-F2 Synology M2D18 M.2 SSD adapter card