- 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
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Što se tiče najčešćih razloga odbijanja, to je zasigurno neispravna 3D secure potvrda plaćanja (3D secure verifikacija).
Dakle, da bi kupac uspješno izvršio plaćanje sa karticom, potrebno je na sučelju svoje banke unijeti lozinku koju samo on zna. Ukoliko nije siguran koja mu je lozinka, neka klikne na „Zaboravili ste zaporku“ ili neka nazove helpdesk svoje banke.
3D Secure potvrda plaćanja je obaveza koju je definirala banka izdavatelj kartice radi povećanja sigurnosti plaćanja preko weba, a sa kojom vlasnik kartice treba biti upoznat prilikom plaćanja preko weba. Kao kada u dućanu plaćanje karticom potvrđujete PIN-om kojeg zna samo vlasnik kartice, tako se i plaćanje preko weba potvrđuje preko 3D secure sučelja banke izdavatelja pomoću lozinke, šifre, PIN-a kojeg zna samo vlasnik kartice
Već duže vrijeme u Hrvatskoj za plaćanja putem MasterCard, VISA i Maestro karticama je potrebno izvršiti dodatnu autentifikaciju plaćanja.
Dodatne informacije na stranicama banaka:
PBZ kartice:
http://www.pbzcard.hr/hr/online-usluge/3-d-secure-program/domena-izdavatelja-kartica---3d-secure-issuing
http://www.pbzcard.hr/hr/online-usluge/3-d-secure-program
ZABA kartice:
https://www.zaba.hr/home/podrska/koristenje-kartica-na-internetu
Erste kartice:
https://www.erstecardclub.hr/hr/pogodnosti/visa-mastercard-pogodnosti/sigurna-i-brza-kupnja-na-internetu-zahvaljujuci-3d-standardu-mastercard-securecode
RBA kartice:
https://www.rba.hr/sigurnost-transakcije
Napominjemo da svaka banka ima neka svoja pravila:
Primjer 1: Ukoliko se traži unos PIN-a, to uglavnom nije PIN koji se koristi prilikom dizanja novca sa bankomata, već PIN koji se kreira prilikom uključivanja uređaja koji se koristi kod net-bankinga (token, čitač kartica...) ili se šalje na prijavljeni mobitel korisnika.
Primjer 2: Ukoliko se traži unos broja osobnog dokumenta, npr. osobne iskaznice - ukoliko je kupac u međuvremenu mijenjao osobnu iskaznicu, dok ne prijavi novi broj u banci neće mu biti odobrena 3D verifikacija za online plaćanje sa tom karticom
Primjer 3: neke banke odobravaju prva 3 plaćanja bez 3D verifikacije; za svako sljedeće plaćanje je potrebno unijeti traženi podatak za odobravanje plaćanja
...
NAPOMENA: Kako svaka banka ima svoje odredbe oko toga što je potrebno unijeti za 3D verifikaciju (PIN, lozinku, šifru, broj osobnog dokumenta...), uvijek preporučujemo da provjerite sa svojom bankom što je točno potrebno unijeti kako bi se odobrila 3D verifikacija.