Synology DS1821+ DiskStation 8-bay All-in-1 NAS server, 2.5"/3.5" HDD/SSD/M.2 podrška, Hot Swappable HDD, Wake on LAN/WA
- High capacity storage and data protection for anyone 
 
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 
 
A POWERHOUSE ON ALL FRONTS 
- The DS1821+ can handle demanding application workloads and a greater number of concurrent users 
- Experience faster file indexing in Synology Drive, photo organization in Moments, and more responsive web services 
 
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 VIRTUALIZATIO SOLUTIONOS 
- 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 
 
ENHINEERED FOR RELIABILITY, BACKED BY SYNOLOGY 
- DS1821+ is designed to reliably store your data and is backed by Synologys three-year hardware warranty 
- An optional two-year extended warranty is available in select regions for up to five years of coverage 
 
POWERED BY SYNOLOGY DSM 
- Central Management System: Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency 
- Synology MailPlus: Secure, reliable, and private mail server solution with an intuitive and modern mail client 
- Synology High Availability: Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications 
- Security: Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats 
- Synology Drive: A versatile solution for file management and synchronization 
- Surveillance Station: Complete surveillance solution for recording, monitoring, and management 
 
WORKS BEST WITH SYNOLOGY SOLID STATE DRIVES 
- Engineered to handle intensive 24/7 workloads, Synology SSDs are designed to provide consistent high-performance 
 
 Hardware Specifications 
CPU 
- CPU Model: AMD Ryzen V1500B 
- CPU Architecture: 64-bit 
- CPU Frequency: 4-core 2.2 GHz 
- Hardware Encryption Engine (AES-NI): Yes 
 
MEMORY 
- System Memory: 4GB DDR4 ECC SODIMM 
- Memory Module Pre-installed: 4GB (4GB ×1) 
- Total Memory Slots: 2 
- Maximum Memory Capacity: 32GB (16GB ×2) 
 
STORAGE 
- Drive Bays: 8 
- Maximum Drive Bays with Expansion Unit: 18 (DX517 ×2) 
- M.2 Drive Slots: 2 (NVMe) 
- Compatible Drive Type: 
* 3.5" SATA HDD 
* 2.5" SATA HDD 
* 2.5" SATA SSD 
* M.2 2280 NVMe SSD 
- 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: 4 
- eSATA Port: 2 
 
PCIe 
- PCIe Expansion: 1× Gen3 x8 slot (x4 link) 
 
FILE SYSTEM 
- Internal Drives: Btrfs, EXT4 
- External Drives: Btrfs, EXT4, EXT3, FAT, NTFS, HFS+, exFAT 
* exFAT Access is purchased separately in Package Center 
 
APPEARANCE 
- Size (H×W×D): 166×343×243 mm 
- Weight: 6 kg 
 
OTHERS 
- System Fan: 120×120 mm ×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: 100 V to 240 V 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) 
 
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 
 
ENVIRONMENT 
- RoHS Compliant 
 
PACKAKING CONTENT 
1× Main Unit 
1× Accessory Pack 
1× AC Power Cord 
1× RJ-45 LAN Cable 
1× Quick Installation Guide 
 
OPTIONAL ACCESSORIES 
- DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G 
- Expansion Units: DX517 
- 2.5" SATA SSD: SAT5200 
- M.2 2280 NVMe SSD: SNV3400 
- 10GbE Network Interface Card: E10G18-T2/E10G18-T1/E10G17-F2 
- VisualStation: VS960HD/VS360HD 
- Surveillance Device License Pack 
 
 DSM Specifications 
STORAGE MANAGEMENT 
- Maximum Internal Volume Number: 64 
- 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 
 
FILE SERVICES 
- File Protocol: CIFS/AFP/NFS/FTP/WebDAV 
- Maximum Concurrent CIFS/AFP/FTP Connections: 1000 
- Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion): 2000 
- Windows Access Control List (ACL) Integration: Yes 
- NFS Kerberos Authentication: Yes 
 
ACCOUNT & SHARED FOLDER 
- Maximum Local User Accounts: 2048 
- Maximum Local Groups: 256 
- Maximum Shared Folder: 512 
- Maximum Shared Folder Sync Tasks: 16 
 
HIGH AVAILABILITY 
- Synology High Availability: Yes 
 
LOG CENTER 
- Syslog Events per Second: 800 
 
VIRTUALIZATION 
- VMware vSphere 6 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 
* Internet Explorer 10 onwards 
* Safari 10 onwards 
* Safari (iOS 10 onwards) 
* Google Chrome (Android 6.0 onwards) 
 
 Add-on Packages 
- Antivirus by McAfee (Trial): Yes 
- Central Management System: Yes 
- Document Viewer: Yes 
- exFAT Access (Optional): Yes 
- Video Station: Yes 
 
SYNOLOGY CHAT 
- Maximum Users: 1500 
 
DOWNLOAD STATION 
- Maximum Concurrent Download Tasks: 80 
 
iSCSI MANAGER 
- Maximum iSCSI Target Number: 128 
- Maximum iSCSI LUN: 256 
- iSCSI LUN Clone/Snapshot, Windows ODX: Yes 
 
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 
 
MEDIA SERVER 
- DLNA Compliance: Yes 
 
MOMENTS 
- Facial Recognition: Yes 
- Subject Recognition: Yes 
- Auto Color & Rotate: Yes 
- Moments Select: Yes 
 
SNAPSHOT REPLICATION 
- Maximum Snapshots per Shared Folder: 1.024 
- Maximum of System Snapshots: 65.536 
 
SURVEILLANCE STATION 
- Maximum IP cam (Licenses required): 40 (including 2 Free License) 
- Total FPS (H.264): 
* 1200 FPS @ 720p (1280×720) 
* 1050 FPS @ 1080p (1920×1080) 
* 600 FPS @ 3M (2048×1536) 
* 440 FPS @ 5M (2591×1944) 
* 320 FPS @ 4K (3840×2160) 
- Total FPS (H.265): 
* 1200 FPS @ 720p (1280×720) 
* 1200 FPS @ 1080p (1920×1080) 
* 1120 FPS @ 3M (2048×1536) 
* 600 FPS @ 5M (2591×1944) 
* 480 FPS @ 4K (3840×2160) 
 
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) 
 
SYNOLOGY OFFICE 
- Maximum Users: 1.800 
 
VIRTUAL MACHINE MANAGER 
- Recommended Virtual Machine Instances: 8 
- Recommended Virtual DSM Number (Licenses required): 8 (including 1 Free License) 
 
VPN SERVER 
- Maximum Connections: 30