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Synology DS1821+  
	                         
	                         
	                         
	                         	
			                       	
				                        
				                        	
				                       			
				                       			
				                       				
															
										                  	
										                  		41600.00 บาท
										                  	
										                 	
				                       			
				                       		
					                    
					                    
				                    
			                     
			                     
			                     			                     
			            
			                     
			                     	
			                     	
									
									 
									 
									 
									 
									 
									 
			                     	
			                     	
			                     	
			                     	
			                     	
			                     		
			                     			
			                     			
			                     				
				                     				
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        	Synology DS1821+ 
	CPU AMD RyzenTM V1500B quad-core 2.2 GHz  
	Hardware encryption engine Yes (AES-NI)  
	Memory 4 GB DDR4 ECC SODIMM (expandable up to 32 GB)  
	Compatible drive types8   
	
		 8 x 3.5" or 2.5" SATA HDD/SSD (drives not included)  
		 2 x M.2 2280 NVMe SSD (drives not included)  
	 
	 
	Hot swappable drives Yes  
	External ports   
	
		 4 x USB 3.2 Gen 1  
		 2 x eSATA  
	 
	 
	Size (HxWxD) 166 x 343 x 243 mm  
	Weight 6.0 kg  
	LAN ports 4 x 1GbE RJ-45  
	Wake on LAN/WAN Yes  
	PCIe 3.0 slots   
	
		 1 x 4-lane x8 slot  
		 Supports 10/25GbE network interface cards³  
	 
	 
	Scheduled power on/off Yes  
	System fans 2 (120 x 120 x 25 mm)  
	AC input power voltage 100 V to 240 V AC  
	Power consumption   
	
		 Access: 59.8 W  
		 HDD Hibernation: 26.18 W  
	 
	 
	Power frequency 50/60 Hz, single phase  
	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  
	Maximum operating altitude 5,000 m (16,400 ft)  
	Networking protocols SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP)  
	File systems   
	
		 Internal: Btrfs, ext4  
		 External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT9  
	 
	 
	Supported RAID types Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10  
	Storage management  
	
		 Maximum single volume size: 108TB  
		 Maximum system snapshots: 65,53610  
		 Maximum internal volumes: 64  
	 
	 
	SSD cache4   
	
		 Read/write cache support  
		 M.2 NVMe SSD support  
	 
	 
	File sharing capabilities  
	
		 Maximum local user accounts: 2,048  
		 Maximum local groups: 256  
		 Maximum shared folders: 512  
		 Maximum concurrent SMB/NFS/AFP/FTP connections: 1,000  
	 
	 
	Privileges Windows® Access Control List (ACL), application privileges  
	Directory services Connects with Windows® AD/LDAP servers enabling domain users to login via SMB/NFS/AFP/FTP/File Station using their existing credentials.  
	Virtualization VMware vSphere® 6.5, Microsoft Hyper-V®, Citrix®, OpenStack®  
	Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite)  
	Supported clients Windows® 7 onwards, macOS® 10.12 onwards  
	Supported browsers Chrome®, Firefox®, Edge®, Internet Explorer® 10 onwards, Safari® 10 onwards, Safari (iOS 10 onwards), Chrome (Android™ 6.0 onwards) on tablets  
 
 
 
 
Data Sheet 
https://global.download.synology.com/download/Document/Hardware/DataSheet/DiskStation/21-year/DS1821%2B/enu/Synology_DS1821%2B_Data_Sheet_enu.pdf 
 
Synology NAS DS1821+ Hardware Installation Guide
https://global.download.synology.com/download/Document/Hardware/HIG/DiskStation/21-year/DS1821%2B/enu/Syno_HIG_DS1821%2B_enu.pdf