Description

Synology DS1821+ 8Bay 22GHZ QC 4GB DDR4 4X GBE 4X USB 3.2 2X E-SATA (3 Years Manufacture Local Warranty In Singapore)

Designed for scalability and performance

The 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.

CPU

AMD Ryzen^{™
Quad-core 2.2 GHz}

Cache Acceleration

Dual M.2 2280 slots for NVMe Cache

Performance

113K 4K random read IOPS

Scalability

Expand up to 18 drives
with two DX517 expansion units

urbocharge and supersize it

Upgrade your DS1821+ to match your data requirements, whether it is for faster networking or for higher storage capacity.

• 2 x M.2 NVMe

  Enable ultra-fast NVMe cache to accelerate HDD arrays by 20X or more

  10GbE support

  Add in faster SFP+ or RJ-45 networking to turbocharge existing workflows

  Storage Expansion

  Supports two DX517 expansion units for a total of 18 bays

  HDD SSDs, 10GbE network adapter cards, and expansion units are sold separately.

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  • Ultimate file management and sharing

    File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1821+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.

    

    Fully certified storage virtualization solutions

    Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

       

    Ultimate Backup Solution

    DS1821+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.

     

    

    

    1. Status indicator
    3. Alert indicator
    5. Power button and indicator
    7. LAN indicator
    9. Drive status indicator
    11. Drive tray
    13. Drive tray lock
    15. USB 3.2 Gen 1 port
    17. Power port
    19. System fan
    21. PCIe expansion slot
    23. Kensington Security Slot
    25. Expansion port
    27. 1GbE RJ-45 port
    29. Reset button
    31. USB 3.2 Gen 1 port

    32. Hardware Specification

        CPU		CPU Model		AMD Ryzen V1500B
        		CPU Quantity		1
        		CPU Architecture		64-bit
        		CPU Frequency		4-core 2.2 GHz
        		Hardware Encryption Engine (AES-NI)		Yes
        Memory		System Memory		4 GB DDR4 ECC SODIMM
        		Memory Module Pre-installed		4 GB (4 GB x 1)
        		Total Memory Slots		2
        		Maximum Memory Capacity		32 GB (16 GB x 2)
        		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. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
        Storage		Drive Bays		8
        		Maximum Drive Bays with Expansion Unit		18 (DX517 x 2)
        		M.2 Drive Slots		2 (NVMe)
        		Compatible Drive Type* (See all supported drives)		3.5 SATA HDD 2.5 SATA HDD 2.5 SATA SSD M.2 2280 NVMe SSD
        		Hot Swappable Drive*		Yes
        		Notes		The hot swappable drive feature is not supported by M.2 SSD slots. Compatible drive type indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
        External Ports		RJ-45 1GbE LAN Port		4 (with Link Aggregation Failover support)
        		USB 3.2 Gen 1 Port*		4
        		eSATA Port		2
        		Notes		The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
        PCIe		PCIe Expansion		1 x Gen3 x8 slot (x4 link)
        File System		Internal Drives		Btrfs EXT4
        		External Drives		Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT
        		Notes		exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased 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		Yes
        		Brightness Adjustable Front LED Indicators		Yes
        		Power Recovery		Yes
        		Noise Level*		22.2 dB(A)
        		Scheduled Power On Off		Yes
        		Wake on LAN WAN		Yes
        		Power Supply Unit Adapter		250 W
        		AC Input Power Voltage		100V to 240V AC
        		Power Frequency		50 60 Hz, Single Phase
        		Power Consumption		59.8 W (Access) 26.18 W (HDD Hibernation)
        		British Thermal Unit		204.05 BTU hr (Access) 89.33 BTU hr (HDD Hibernation)
        		Notes		Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s). Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
        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 CCC KC VCCI RCM
        Warranty		3-year hardware warranty
        		Notes		Availability varies by region. Before purchasing, please visit the official web pages of EW201 202 and Extended Warranty Plus for a list of eligible regions. The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
        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

         

        Software Specification

        DSM Specifications
        Storage Management		Maximum Single Volume Size*		108 TB
        		Maximum Internal Volume Number		64
        		M.2 SSD Storage Pool Support*		Yes
        		SSD Read Write Cache (White Paper)		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
        		Notes		Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored. Creating M.2 storage pools requires the use of Synology-verified SSDs, which are rigorously tested under extreme temperature conditions. Thermal parameters for SSDs and NAS units are fine-tuned to ensure optimal management of thermal conditions under I O-intensive environments. (Learn more) Each internal volume (may consist of multiple drives) is expandable up to 108TB.
        File Services		File Protocol		SMB AFP NFS FTP WebDAV
        		Maximum Concurrent SMB AFP FTP Connections		1,000
        		Maximum Concurrent SMB AFP FTP Connections (with RAM expansion)		2,000
        		Windows Access Control List (ACL) Integration		Yes
        		NFS Kerberos Authentication		Yes
        		Notes		Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM. The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.
        Account & Shared Folder		Maximum Local User Accounts		2,048
        		Maximum Local Groups		256
        		Maximum Shared Folder		512
        		Maximum Shared Folder Sync Tasks		16
        Hybrid Share		Hybrid Share Folder Number		10
        High Availability		Synology High Availability		Yes
        Log Center		Syslog Events per Second		1,000
        Virtualization		VMware vSphere with VAAI		Yes
        		Windows Server 2016		Yes
        		Windows Server 2019		Yes
        		Citrix Ready		Yes
        		OpenStack		Yes
        General Specifications		Networking Protocols		SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
        		Supported Browsers		Google Chrome Firefox Microsoft Edge Safari
        		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

         

        Video Review

        Title	Default Title

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