MPN
DVA3221
CPU
CPU Model
Intel Atom C3538
CPU Architecture
64-bit
CPU Frequency
Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)
Yes
GPU
GPU Model
NVIDIA GeForce GTX 1650
Notes
Display output is not supported.
Storage
Drive Bays
4
Maximum Drive Bays with Expansion Unit
14 (DX517 x 2)
Compatible Drive Type
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity
64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units
224 TB (16 TB drive x 14) (Capacity may vary by RAID types)
Maximum Single Volume Size
108 TB
Hot Swappable Drive
Yes
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.
The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit.
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 3.0 Port
3
eSATA Port
2
COM Port
1
Others
Wake on LAN / WAN
Yes
System Fan
120 mm x 120 mm x 1 pcs
Fan Speed Mode
Cool Mode
Quiet Mode
Full-Speed Mode
Power Recovery
Yes
Noise Level
28.3 dB(A)
Scheduled Power On / Off
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
43.92 W (Access)
28.43 W (HDD Hibernation)
British Thermal Unit
149.86 BTU/hr (Access)
97.01 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
0oC to 40oC (32oF to 104oF)
Storage Temperature
-20oC to 60oC (-5oF to 140oF)
Relative Humidity
5% to 95% RH
Certification
FCC
CE
BSMI
EAC
VCCI
RCM
Environment
RoHS Compliant
Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1
Optional Accessories
DDR4 ECC SODIMM: D4ECSO-2666-16G
Expansion Units: DX517
3.5" SATA HDD: HAT5300
2.5" SATA SSD: SAT5200
VisualStation: VS960HD/VS360HD
Surveillance Device License Pack
Notes
The original non-ECC memory modules must be removed before the optional ECC memory modules can be installed.
Surveillance Station
Video Analysis
Deep Video Analytics Feature
People and vehicle detection
People counting
Face recognition
Intrusion detection
Maximum Number of Deep Video Analytics Tasks
6
Maximum Number of Registrations Supported by Face Database
10,000
General Specifications
Maximum IP cam
32 (including 8 Free License)
Total FPS (H.264)
960 FPS at 720p (1280x720), 32 Channels
448 FPS at 1080p (1920x1080), 32 Channels
280 FPS at 3M (2048x1536), 28 Channels
190 FPS at 5M (2591x1944), 19 Channels
130 FPS at 4K (3840x2160), 13 Channels
Total FPS (H.265)
960 FPS at 720p (1280x720), 32 Channels
960 FPS at 1080p (1920x1080), 32 Channels
320 FPS at 3M (2048x1536), 32 Channels
200 FPS at 5M (2591x1944), 20 Channels
150 FPS at 4K (3840x2160), 15 Channels
Video Codec
H.264
H.264+
H.265
H.265+
MJPEG
MPEG-4
MxPEG (not supported by Deep Video Analytics tasks)
Audio Codec
AAC
AMR
G711
G726
PCM
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.
Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).
The maximum channel number also includes devices installed on Virtual DSM.
System Services
File System
Internal Drives
Btrfs
EXT4
Storage Management
Maximum Internal Volume Number
64
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 10
RAID 1
RAID 5
RAID 6
Volume Expansion by Adding a HDD
Synology Hybrid RAID
JBOD
RAID 5
RAID 6 (with Expansion Unit)
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
Account and Shared Folder
Maximum Local User Accounts
2,048
Maximum Local Groups
256
Maximum Shared Folder
512
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
Supported Language
English, Deutsch, Franais, Italiano, Espaol, Dansk, Norsk, Svenska, Nederlands, , Polski, Magyar, Portugus do Brasil, Portugus Europeu, Trke, esk, , , , ,
VPN Server
Maximum Connections
30
Returns for Refund
TheKeyKey.com provides a 30-day refund or replacement warranty for all products with the following exceptions listed below:
Any product not purchased from TheKeyKey.com.
Any product that is no longer in brand new, unopened condition.
Any product that has been installed or has attempted to be installed.
Any product that is returned to us without its original packaging, accessories, manuals, warranty cards, and all other items enclosed in the exact condition in which it was received.
Any product that exhibits physical damage either to the product itself or to the original packing materials and accessories.
Any product with a missing or altered serial number.
Any product that has been submitted for a promotional rebate.
Any product described as "not refundable" on the product details page.
Any custom-built systems manufactured by TheKeyKey.
Any special-order items.
Open-box and refurbished products are final-sale only and are not eligible for refund.
Please verify that your products are eligible for return before requesting an RMA number. Products not eligible for return will be shipped back to you.
Returns for Repair or Replacement
TheKeyKey.com provides a 30-day repair or replacement warranty. Please obtain an RMA number and follow the return instructions included with your number.
All defective, dead on arrival (DOA) items will be inspected and tested by our RMA department. If the item is tested to be in working condition, the RMA will be rejected and the item will be returned to you.
Some items are non-refundable and can only be exchanged for the exact same item. These items are described as "not refundable" on the product detail page.
Defective parts returned for replacement by TheKeyKey must be received within 30 days of the original invoice date. Items received by TheKeyKey after the initial 30-day period are no longer eligible for refund and will be forwarded to the original manufacturer for repair or replacement only, the choice of which will be at the discretion of the manufacturer. For repair or replacement inquiries after 30 days, please contact the manufacturer directly.
For product replacement or refund requests, please return the entire item package including all accessories. Package contents will be verified for completeness before a replacement / refund is issued.
Note that any physical damage will automatically void the product warranty and we will return any products that exhibit physical damage back to you. For example, we cannot accept CPU returns if the item is cracked, chipped, burnt, has bent pins or if the item has sustained any other type of physical damage. We highly recommend carefully reading the manufacturer's instructions before installing your product.
Please make sure that your item is actually defective and that you have ruled out other incompatibility possibilities before returning the product. When we receive the returned item, we must test it thoroughly to verify that it is actually defective because our suppliers (usually the manufacturer) will not accept returns or exchanges for working items. If we determine that the returned item is in working condition, we will ship it back to you.
Please refer to our help section for more information.
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