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Synology 32TB DiskStation DS1821+ 8-Bay NAS Enclosure Kit with Seagate IronWolf NAS Drives (8 x 4TB)

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Expand the network storage capacity for your small- to medium-business or SOHO (Small Office, Home Office) environment with the DiskStation DS1821+ 8-Bay NAS Enclosure from Synology. Useful for high-speed file sharing, backups, and surveillance, this enclosure supports up to eight 3.5″ and 2.5″ SATA drives in RAID 0, 1, 5, 6, 10, Synology Hybrid, and JBOD modes for up to 110,000 4K random read IOPS and 2300 MB/s sequential write speeds to handle demanding workloads. Installing up to two M.2 NVMe PCIe solid-state cache drives into the available slots can boost hard drive array performance by over 20x. In addition to having four Gigabit Ethernet ports with Link Aggregation and Failover support, the PCIe 3.0 x8 slot allows you to install expansion cards such as 10GbE network adapters to further enhance performance. The DiskStation DS1821+ works with Windows 7 and macOS 10.12 or later systems, and its integrated Synology DSM operating system supports a host of applications for file management, security, and more.

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Synology DS1821+ Seagate External HDD Overview

This B&H Kit combines the Synology DiskStation DS1821+ 8-Bay NAS Enclosure with eight Seagate 4TB IronWolf 5400 rpm SATA III 3.5″ Internal NAS HDDs for a storage capacity of 32TB.

Synology DiskStation DS1821+ 8-Bay NAS Enclosure

Expand the network storage capacity for your small- to medium-business or SOHO (Small Office, Home Office) environment with the DiskStation DS1821+ 8-Bay NAS Enclosure from Synology. Useful for high-speed file sharing, backups, and surveillance, this enclosure supports up to eight 3.5″ and 2.5″ SATA drives in RAID 0, 1, 5, 6, 10, Synology Hybrid, and JBOD modes for up to 110,000 4K random read IOPS and 2300 MB/s sequential write speeds to handle demanding workloads. Installing up to two M.2 NVMe PCIe solid-state cache drives into the available slots can boost hard drive array performance by over 20x. In addition to having four Gigabit Ethernet ports with Link Aggregation and Failover support, the PCIe 3.0 x8 slot allows you to install expansion cards such as 10GbE network adapters to further enhance performance. The DiskStation DS1821+ works with Windows 7 and macOS 10.12 or later systems, and its integrated Synology DSM operating system supports a host of applications for file management, security, and more.

High-Performance NAS
The Synology DiskStation DS1821+ NAS enclosure is powered by a 2.2 GHz AMD Ryzen quad-core processor with 4GB of ECC DDR4 memory. It supports up to eight 3.5″ and 2.5″ SATA drives in RAID 0, 1, 5, 6, 10, Synology Hybrid, and JBOD modes with a maximum single volume size of 108TB.
Cache Acceleration
Installing up to two M.2 NVMe PCIe solid-state cache drives can accelerate hard drive array performance by over 20x.
Connectivity
The Synology DiskStation DS1821+ includes four Gigabit Ethernet ports with Link Aggregation and Failover support. Four USB 3.1 Gen 1 ports and two eSATA ports are available for connecting external storage drives and other devices to share across the network.
Scalability
A PCIe 3.0 slot is available for expansions such as 10GbE network adapters for high-speed data transfers and backups. Connecting up to two Synology DX517 5-bay expansion units to the DiskStation DS1821+ provides you with a total of 18 drive bays. Up to 32GB of memory can be installed across two SO-DIMM slots to further boost NAS performance and efficiency.
File Management and Sharing
The web-based File Station tool is built with intuitive, drag-and-drop operations for fast and secure file management from Windows and Mac computers. Advanced search and filtering tools allow for easy organization and file sharing, and the DS1821+ supports AFP, FTP, iSCSI, NFS, SMB, and WebDAV protocols.
Certified Storage Virtualization
Synology iSCSI storage supports most virtualization solutions to enhance work efficiency. Support includes VMware vSphere 6 and VAAI integration to help offload storage operations and optimize computation efficiency. Additionally, Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate and OpenStack Cinder support turns your Synology NAS into a block-based storage component.
Versatile Backup Solutions
The Synology DiskStation DS1821+ integrates a variety of backup applications to fit your needs, including Active Backup for Business, Hyper Backup, Synology Drive, and Active Backup for Microsoft 365 / G Suite.
Synology DSM Applications
  • The Synology Central Management System allows you to simultaneously manage multiple Synology NAS servers from a centralized interface.
  • Synology MailPlus provides a secure, reliable, and private mail server solution.
  • Quickly transition between clustered servers in the event of a server failure to minimize the impact on applications.
  • Comprehensive security tools are built-in and are continually updated to protect your devices against threats.
  • The Synology Drive application offers versatile tools for file management and synchronization.
  • With the Surveillance Station application, you have a complete solution for recording, monitoring, and management.

UPC: 846504003976
Seagate 4TB IronWolf 5400 rpm SATA III 3.5″ Internal NAS HDD

Designed for use in 1-8 bay NAS systems within home, SOHO, and small business environments, the 4TB IronWolf 5400 rpm SATA III 3.5″ Internal NAS HDD from Seagate is built to withstand 24×7 operations, or up to 180TB per year / 8760 hours per year. This 4TB drive has been equipped with a SATA III 6 Gb/s interface, a rotational speed of 5400 rpm, a 3.5″ form factor, and a 256MB cache, providing users with an ample storage capacity and data transfer speeds of up to 202 MB/s. The IronWolf also has an MTBF rating of 1.0 million hours, a workload rate of up to 180TB per year, a non-recoverable read error rate of 1 per 1014, supports 600,000 load/unload cycles, and an annualized failure rate (AFR) of 0.87%. Protection is provided by a limited 3-year warranty.

General Features
Optimized for NAS with AgileArray
AgileArray enables dual-plane balancing and RAID optimization in multi-bay environments, with the efficient power management.
IronWolf Health Management
IronWolf Health Management focuses on prevention, intervention, and recovery
Rotational Vibration (RV) Sensors
Integrated RV sensors help to maintain high performance in multi-drive NAS enclosures.
Do More In Multi-User Environments
IronWolf provides a workload rate of up to 180TB per year. Multiple users can upload and download data to the NAS server, knowing IronWolf can handle the workload, whether you are a creative professional or a small business.
Designed for Always-On, 24×7 Performance
Access data on your NAS either remotely or on site at almost any time.
1 Million Hours MTBF / Limited 3-Year Warranty
This represents an improved total cost of ownership (TCO) over desktop drives with reduced maintenance costs.
Best-Fit Applications
1- to 8-bay network attached storage (NAS)
Desktop RAID and servers
Multimedia server storage
Private cloud
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Synology DiskStation DS1821+ 8-Bay NAS Enclosure Specs

Computing
Total Installed Memory 4 GB ECC DDR4
User-Replaceable Memory 1 x 4 GB
Total Memory Slots 2 x SO-DIMM
Maximum Memory Capacity 32 GB
General
Number of Bays 8 x 2.5″/3.5″
2 x M.2 (2280)
I/O 4 x RJ45 (Gigabit Ethernet)
4 x USB Type-A (USB 3.1 / USB 3.2 Gen 1 (5 Gb/s))
2 x eSATA
Compatible Drive Interface SATA (Unspecified Version)
Media Card Slots None
Maximum Filled Capacity 108 TB
Form Factor Desktop
RAID RAID 0, 1, 10, 5, 6, JBOD, Synology Hybrid
Hot-Swap Support Yes
PCI Expansion 1 x PCIe 3.0 (x8 Electrical)
Wake on LAN Yes
Link Aggregation and Failover Support Yes
Networking
Supported Protocols CalDAV
FTP
HTTP
HTTPS
NFS
SMB
SMB 2.1
SMB 3.0
SNMP
iSCSI LUN 256
iSCSI Target 128
Max Concurrent Connections 550
Max Folders 512
Max Sync Tasks 80
Max Groups 256
Max User Accounts 2048
Max Volume Number 64
Max Cameras Supported 40
Software
Installed Operating System Synology
Supported File Systems Internal: BTRFS, EXT4
External: BTRFS, EXT3, EXT4, FAT, HFS+, NTFS, exFAT
OS Compatibility Windows 7 or Later
macOS 10.12 or Later
*As of January, 2021: Check with manufacturer for the most up-to-date compatibility
Supported Browsers Chrome, Edge, Firefox, Internet Explorer, Safari
Security
Encryption AES-NI
Security Features Password Protection
VPN Client Connections 30
Electrical
AC Input Power 100 to 240 VAC, 50 / 60 Hz
Power Source AC Adapter
Power Consumption 59.8 W (Typical)
26.18 W (Idle)
PSU Wattage 1 x 250 W
Environmental
Operating Temperature 32 to 104°F / 0 to 40°C
Operating Humidity 5 to 95%
Storage Temperature -4 to 140°F / -20 to 60°C
Physical
Status Monitoring LED Indicator
Audible Alarm Yes
Cooling 2 x 120 mm Fans
Noise Level 22.2 dBA
Built-In Speakers None
IR Sensor None
Dimensions 13.5 x 9.6 x 6.5″ / 343 x 243 x 166 mm
Weight 13.2 lb / 6.0 kg
Packaging Info
Package Weight 18 lb
Box Dimensions (LxWxH) 18 x 14.6 x 12.3″

Seagate 4TB IronWolf 5400 Rpm SATA III 3.5″ Internal NAS HDD Specs

Storage Capacity 4 TB SATA III (6 Gb/s) 3.5″ HDD (5900 rpm)
Read Speed Maximum: 202 MB/s
Write Speed Maximum: 202 MB/s
Buffer 256 MB
Latency 6.0 ms
HDD Specs
Heads 4
Platters 2
Areal Density 1175 Gb/in²
Noise Level 2.5 dB (Active)
2.3 dB (Idle)
Reliability / Data Integrity
Annualized Failure Rate (AFR) 0.87 %
Encryption None
Endurance (Total Bytes Written) 180 TB
Load/Unload Cycles 600,000
Mean Time Between Failures (MTBF) 1.0 Million Hours
Non-Recoverable Read Errors per Bits Read 1 in 1014
Electrical
Power Draw 3.7 W (Active)
3.2 W (Idle)
0.25 W (Standby)
Supported Voltage 5 VDC, 12 VDC
Current 1.8 A at 12 VDC
Environmental
Operating Temperature 32 to 149°F / 0 to 65°C
Storage Temperature -40 to 158°F / -40 to 70°C
Operating Shock 80 G / 2.0 ms
Storage Shock 300 G / 2.0 ms
Operating Vibration 0.25 G / 10 to 22 Hz
Storage Vibration 3.0 G / 5 to 22 Hz
Operating Humidity 5 to 90%
Storage Humidity 5 to 95%
Operating Altitude -1,000 to 10,000′ / -304.8 to 3048 m
Storage Altitude -1,000 to 40,000′ / -304.8 to 12,192 m
General
Dimensions 5.8 x 4 x 0.8″ / 147.3 x 101.6 x 20.3 mm
Weight 1.08 lb / 0.49 kg
Packaging Info
Package Weight 1.255 lb
Box Dimensions (LxWxH) 9.6 x 6 x 2.8″

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