Synology 4 Bay NAS Rackstation (Diskless)

Fast storage with outstanding computing power

RS819 is a compact and scalable 4-bay rackmount NAS in a 1U form factor. With snapshot technology support, RS819 brings business workgroups simple yet comprehensive solutions to data management, sharing, synchronization, and backup

Meet the space-saving rackmount server for deployment

RS819 supports up to 8 drives when connecting with one RX418 expansion unit. Since both RS819 and RX418 are only 12 inches in depth, they can fit perfectly in a 2-post or wall mount rack.

• Compact chassis design capable of fitting in a 2-post rack
• The 2-post rackmount is easy to assemble and space-saving, allowing you to set up anywhere
• Cost-efficient server deployment without unnecessary investment in rail kits and server facilities

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, RS819 supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.

Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders

Snapshot Replication provides schedulable and storage capacity-saving data protection with 256 shared folder backups and 4,096  system-wide snapshots

File or folder level data restoration makes data recovery fast and flexible

Automatic file self-healing detects and recovers corrupted files without user intervention

Digital asset protection

Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes.

Security Advisor

Analyze system settings, password strength, and network preferences, and remove any possible malware.

AppArmor

A kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.

AES 256-bit encryption

Encrypt shared folders and network data transmission to avoid unauthorized data access.

2-step verification

Prevent others from logging in to your DSM by generating a six-digit one-time password (OTP) on your mobile device.

Engineered for reliability, backed by Synology

RS819 is designed to reliably store your data and is backed by Synology's three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage.

Specifications

CPU	CPU Model	Realtek RTD1296
	CPU Architecture	64-bit
	CPU Frequency	4-core 1.4 GHz
	Hardware Encryption Engine
Memory	System Memory	2 GB DDR4 non-ECC
	Notes	Synology reserves the right to replace memory modules with the same or higher frequency based on the 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.
Storage	Drive Bays	4
	Maximum Drive Bays with Expansion Unit	8 (RX418 x 1)
	Compatible Drive Type*	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
	Maximum Single Volume Size*	108 TB
	Hot-Swappable Drive
	Notes	"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	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	Form Factor (RU)	1U
	Size (Height x Width x Depth)	44 mm x 478 mm x 327.5 mm
	Weight	4.34 kg
	Rack Installation Support*	2-post 19" rack (direct mounting) 4-post 19" rack (Synology Rail Kit - RKM114/RKS1317)
	Notes	The rail kit is sold separately
Others	System Fan	40 mm x 40 mm x 3 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
	Power Recovery
	Noise Level*	28.9 dB(A)
	Scheduled Power On / Off
	Wake on LAN / WAN
	Power Supply Unit / Adapter	100 W
	AC Input Power Voltage	100 V to 240 V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption*	28.31 W (Access) 10.1 W (HDD Hibernation)
	British Thermal Unit	96.6 BTU/hr (Access) 34.46 BTU/hr (HDD Hibernation)
	Notes	Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Temperature	Operating Temperature	5°C to 35°C (40°F to 95°F)
	Storage Temperature	-20°C to 60°C (-5°F to 140°F)
	Relative Humidity	5% to 95% RH
Certification	EAC VCCI CCC RCM KC FCC CE BSMI
Warranty	3-year hardware warranty,
	Notes	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 Quick Installation Guide X 1
Optional Accessories	Expansion Units: RX418 Rail Kit Sliding: RKS1317 Rail Kit Mounted: RKM114* Visual Station: VS960HD/VS360HD Surveillance Device License Pack
	Notes	Certain items may not be available in your location. Please contact your local distributors for more information.