Synology DS918+ NAS 4-BAY RAM 4GB

Giá bán: 16,322,900₫

CPU : Intel Celeron J3455
System Memory : 4 GB DDR3L

Xuất xứ : Chính hãng
Trạng thái : Còn hàng
VAT : Đã bao gồm VAT

Mua ngay Giao tận nơi

F5 CORP - Cung cấp Dịch vụ Bán hàng toàn quốc uy tín

Hà Nội: 560 Trường Chinh, Đống Đa, Hà Nội

Đà Nẵng: 36 Kiều Oánh Mậu, Hoà Minh, Liên Chiểu, Đà Nẵng

HCM: 248 Hoàng Hoa Thám, P.12, Q.Tân Bình, TP.HCM

Synology NAS Tower DS918+ thiết bị lưu trữ Xanh với 4-BAY khả năng mở rộng tới 9-BAY với DX517. Thiết bị chuyên dụng cho doanh nghiệp vừa và nhỏ với công nghệ mã hóa AES-NI và khả năng truyền tải video với chuẩn H.264 / H.264 4K đồng thời. Thiết bị có săn 2 license camera và cung cấp khả năng ghi tới 40 camera IP.

Hardware Specifications
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)	Có
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 Drive Slots	2
Compatible Drive Type*	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD M.2 NVMe 2280 SSD
Maximum Internal Raw Capacity	40 TB (10 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units	90 TB (10 TB drive x 9) (Capacity may vary by RAID types)
Maximum Single Volume Size	108 TB
Hot Swappable Drive	Có
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 single volume size is not directly related to the maximum raw capacity. 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	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)	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	Full-Speed Mode Cool Mode Quiet Mode
Brightness adjustable front LED indicators	Có
Power Recovery	Có
Noise Level*	19.8 dB(A)
Scheduled Power On/Off	Có
Wake on LAN/WAN	Có
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	FCC Class B CE Class B BSMI Class B
Warranty	3 Years
Notes	Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
DSM Specifications
Storage Management
Maximum Internal Volume Number	512
Maximum iSCSI Target Number	32
Maximum iSCSI LUN	256
iSCSI LUN Clone/Snapshot, Windows ODX	Có
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 JBOD 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)
SSD Support
SSD Read/Write Cache	Có
SSD TRIM	Có
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	Có
NFS Kerberos Authentication	Có
High Availability Manager	Có
Log Center	Có
Syslog Events per Second	800
Virtualization
VMware vSphere 6 with VAAI	Có
Windows Server 2012	Có
Windows Server 2012 R2	Có
Citrix Ready	Có
OpenStack	Có
Add-on Packages
Antivirus by McAfee (Trial)	Có
Central Management System	Có
Chat	Có
Maximum Users	1500
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	Có
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	The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing. File reaction time refers to the preparation time required for other devices to start downloading a 1KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing. Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer	Có
Download Station	Có
Maximum Concurrent Download Tasks	80
exFAT Access (optional)	Có
MailPlus / MailPlus Server	Có
Free Email Accounts	5
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	The CPU and RAM usages were both under 80% when testing recommended client numbers. 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	Có
DLNA Compliance	Có
Office	Có
Maximum Users	200
Maximum Simultaneous Editing Users	80
Notes	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
Snapshot Replication	Có
Maximum Snapshots per Shared Folder	1024
Maximum Snapshots of all Shared Folder	65536
Surveillance Station	Có
Maximum IP cam (Licenses required)	40 (including 2 Free License)
Total FPS (H.264)*	1200 FPS @ 720p (1280x720) 840 FPS @ 1080p (1920×1080) 400 FPS @ 3M (2048x1536) 300 FPS @ 5M (2591x1944) 180 FPS @ 4K (3840x2160)
Total FPS (H.265)*	1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920×1080) 600 FPS @ 3M (2048x1536) 400 FPS @ 5M (2591x1944) 300 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*	480 FPS @ 720p (1280x720) 400 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	Có
Video Transcoding	4K Group 1
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
VPN Server	Có
Maximum Connections	20
Environment & Packaging
Environment	RoHS Compliant
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1
Optional Accessories	Surveillance Device License Pack D3NS1866L-4G RAM Module Expansion Unit: DX517 X 1 VS360HD VS960HD