12-bay Synology NAS Server for Small and Medium Business( 8 bays on base, expandable to 12 with RX418), redundant PSU, Rackmount RS1221RP+

Quad Core 2.2GHz AMD Ryzen CPU, 4GB DDR4 RAM (up to 32GB), 4x Gbit LAN, 2xUSB3.2, eSATA, 1x PCIe slot, AES-NI encryption, File/Mail/FTP/Print/DHCP/Directory/VPN/Syslog server,web station, Android/Windows phone app.,surveillance station, iSCSI, VMware®, Ci

CPU	CPU Model	AMD Ryzen V1500B
	CPU Architecture	64-bit
	CPU Frequency	4-core 2.2 GHz
	Hardware Encryption Engine (AES-NI)	V
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	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. 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.
Storage	Drive Bays	8
	Maximum Drive Bays with Expansion Unit	12 (RX418 x 1)
	Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
	Maximum Single Volume Size*	108 TB
	Hot Swappable Drive	V
	Notes	Storage Pool and volume creation require all drives to be listed as compatible on the device model's compatibility list. "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. Each internal volume (may consist of multiple drives) is expandable up to 108TB.
External Ports	RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
	USB 3.2 Gen 1 Port*	2
	eSATA Port	1
	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 is purchased separately in Package Center.
Appearance	Form Factor (RU)	2U
	Size (Height x Width x Depth)	RS1221+ : 88 mm x 482 mm x 306.6 mmRS1221RP+ : 88 mm x 482 mm x 407.5 mm
	Weight	RS1221+ : 6.9 kgRS1221RP+ : 11.7 kg
	Rack Installation Support*	RS1221+ : 2-post 19" rack (direct mounting) 4-post 19" rack (Synology Rail Kit - RKM114/RKS1317) RS1221RP+ : 4-post 19" rack (Synology Rail Kit - RKS1317)
	Notes	The rail kit is sold separately
Others	System Fan	80 mm x 80 mm x 2 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
	Power Recovery	V
	Noise Level*	RS1221+ : 25.2 dB(A)RS1221RP+ : 40 dB(A)
	Scheduled Power On / Off	V
	Wake on LAN / WAN	V
	Power Supply Unit / Adapter	RS1221+ : 250 WRS1221RP+ : 350 W
	Redundant Power Supply	RS1221RP+
	AC Input Power Voltage	100 V to 240 V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption*	RS1221+ : 49.89 W (Access) 22.64 W (HDD Hibernation) RS1221RP+ : 61.94 W (Access) 29.98 W (HDD Hibernation)
	British Thermal Unit	RS1221+ : 170.23 BTU/hr (Access) 77.25 BTU/hr (HDD Hibernation) RS1221RP+ : 211.35 BTU/hr (Access) 102.30 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 35°C (32°F to 95°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, extendable to 5-year coverage - EW202
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment	RoHS Compliant
Packaging Content	RS1221+ : Main Unit X 1 Accessory Pack X 1 AC Power Cord X 1 C13 to C14 power cord x 1 Quick Installation Guide X 1 RS1221RP+ : Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Quick Installation Guide X 1
Optional Accessories	RS1221+ : DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G Expansion Units: RX418 3.5" SATA HDD: HAT5300 2.5" SATA SSD: SAT5200 M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1 M.2 SSD Adapter Card: M2D20 10GbE Network Interface Card: E10G18-T2/E10G18-T1/E10G17-F2 Rail Kit Sliding: RKS1317 Rail Kit Mounted: RKM114* VisualStation: VS960HD/VS360HD Surveillance Device License Pack RS1221RP+ : DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G Expansion Units: RX418 3.5" SATA HDD: HAT5300 2.5" SATA SSD: SAT5200 M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1 M.2 SSD Adapter Card: M2D20 10GbE Network Interface Card: E10G18-T2/E10G18-T1/E10G17-F2 Rail Kit Sliding: RKS1317 VisualStation: VS960HD/VS360HD Surveillance Device License Pack
	Notes	RS1221+ : Certain items may not be available in your location. Please contact your local distributors for more information. All memory modules will operate at the maximum frequency specified by the CPU manufacturer. RS1221RP+ : All memory modules will operate at the maximum frequency specified by the CPU manufacturer.

DSM Specifications
Storage Management	Maximum Internal Volume Number	64
	SSD Read / Write Cache (White Paper)	V
	SSD TRIM	V
	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	1,000
	Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)	2,000
	Windows Access Control List (ACL) Integration	V
	NFS Kerberos Authentication	V
	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
High Availability	Synology High Availability	V
Log Center	Syslog Events per Second	800
Virtualization	VMware vSphere with VAAI	V
	Windows Server 2016	V
	Windows Server 2019	V
	Citrix Ready	V
	OpenStack	VV
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)
	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
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)	V
Central Management System	V
Synology Chat	Maximum Users	1,500
	Notes	The number of concurrent HTTP connections for Synology Chat was configured to the maximum. For tested models with expandable memory, the maximum amount of RAM was installed.
Document Viewer
Download Station	Maximum Concurrent Download Tasks	80
exFAT Access (Optional)	V
iSCSI Manager	Maximum iSCSI Target Number	128
	Maximum iSCSI LUN	256
	iSCSI LUN Clone/Snapshot, Windows ODX
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
	Notes	Models with more than 4 bays were installed with two SSDs for SSD cache. For tested models with expandable memory, the maximum amount of RAM was installed. The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server	DLNA Compliance	V
Moments	Facial Recognition	V
	Subject Recognition	V
	Auto Color & Rotate	V
	Moments Select	V
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) (See All Supported IP Cameras)
	Total FPS (H.264)	1200 FPS @ 720p (1280x720) 1050 FPS @ 1080p (1920x1080) 600 FPS @ 3M (2048x1536) 440 FPS @ 5M (2591x1944) 320 FPS @ 4K (3840x2160)
	Total FPS (H.265)	1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920x1080) 1120 FPS @ 3M (2048x1536) 600 FPS @ 5M (2591x1944) 480 FPS @ 4K (3840x2160)
	Notes	Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera. The maximum channel number also includes devices installed on Virtual DSM. Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).
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)
	Notes	Exceeding the recommended numbers above will not block application operations, but may result in longer response time. Utilizing SSD cache can significantly improve performance. For tested models with expandable memory, the maximum amount of RAM was installed. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office	Maximum Users	1,800
	Notes	Multiple files were opened for testing and each file was edited by 30 users simultaneously. For tested models with expandable memory, the maximum amount of RAM was installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station	V
Virtual Machine Manager	Recommended Virtual Machine Instances	8 (Learn more)
	Recommended Virtual DSM Number (Licenses required)	8 (including 1 Free License)
	Notes	The specifications vary depending on system configuration and memory size.
VPN Server	Maximum Connections	30