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Synology DiskStation DS1821+ RAM 4 GB

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Synology DiskStation DS1821+ RAM 4 GB
DiskStation (desktop)M.2mail server
Main
Mountdesktop
Drives
3.5" drive slots8
Max. storage capacity128 TB
Hot swap
SATA 2
SATA 3
M.2 connector2
PCI-E1 / 4-channel slot x8 /
RAIDRAID 0
RAID 1
RAID 5
RAID 10
JBOD
RAID 6, SHR, Basic
Connection
LAN ports4
LAN speed1 Gbps
USB 3.2 gen14
eSATA2
Features
Software featuresWeb server
FTP server
multimedia (DLNA, iTunes, uPnP)
mail server
database server
video surveillance server / up to 40 IP channels /
backup
domain integration
virtualization
Hardware
Operating systemDSM 6.3
CPUAMD RyzenTM V1500B
CPU cores4 cores (8 threads)
CPU speed2.2 GHz
RAM4 GB
Max. RAM32 GB
RAM slots2
ControlWEB-interface / app
General
Coolingactive
Noise level22.2 dB
Size343x166x243 mm
Weight6 kg
Official Websitesynology.com
Added to E-Catalogjanuary 2021
Synology Virtual Machine Manager preinstalled.

Powerful, advanced and highly scalable enterprise-class NAS storage designed for small and medium businesses and professional users who require high capacity and reliable data protection. The server has 8 drive bays, expandable to 18 bays using DX517 expansion units, allowing you to store up to 128 TB of data. Hot-swappable drives are supported to minimize downtime. The model supports 3.5" drives with SATA 2 and SATA 3 interfaces, and is also equipped with two M.2 slots for installing SSD cache.

The RAID configuration has wide storage options, including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD, SHR and Basic. Synology DiskStation DS1821+ is equipped with four Gigabit LAN ports, allowing you to set up channel aggregation and increase the overall network throughput. Additionally, four USB 3.2 Gen 1 ports are available for connecting external devices and two eSATA ports for connecting expansion modules and additional drives. The built-in quad-core AMD Ryzen V1500B processor with a frequency of 2.2 GHz is supported by 4 GB of DDR4 RAM, expandable up to 32 GB. The proprietary DSM OS includes an extensive set of server functions: from a web and FTP server to a multimedia (DLNA, iTunes, uPnP), mail server and video surveillance system with support for up to 40 IP channels.

Information in model description is for reference purposes.
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Synology 8 Bay DiskStation DS1821 Diskless 8-bay 4gb ddr4 DS1821+

Accelerated Performance - 177% higher 4K random read IOPS and 76% faster sequential write speeds compared to its predecessor... moreMaximize Performance - Turbocharge HDD arrays by 20x or more without occupying drive bays using dual built-in M.2 slots for NVMe SSD cache Expansion Made Easy - Scale-up on-demand to 18 drives with two DX517 expansion units Includes Everything to Protect Your Data - Back up critical data to and from public clouds, Windows PCs and servers, virtual machines, and data on the NAS with Synology Active Backup suite, Hyper Backup, and Snapshot Replication Ready for 10GbE - Add in a 10GbE SFP+ or RJ-45 NIC to instantly increase network bandwidth based on your existing infrastructure
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Delivery: in USA
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$1,031.17
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Synology 8 bay NAS DiskStation DS1821+ (Diskless) DS1821+

8-Bay Usage High read/write performance with RAID Diskless System AMD Ryzen V1500B 4-core 2.2 GHz Processor 4 x 10/100/1000M... more4 x USB3.2 Gen 1
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Delivery: in USA
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$999.99
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Synology DiskStation DS1821+ SAN/NAS Storage System - AMD Ryzen V1500B 2.2

RAID technology - data reliability, fault tolerance and improved overall performance Gigabit Ethernet enables higher aggrega... morete data transfer capacity which results in a better overall performance Ryzen 2.20 GHz processor for performing computational tasks effectively Robust scalability up to 8 drives to let you expand limitlessly It's diskstation manager operating system offers powerful platform to efficiently run routine applications Through RAID levels (0, 1, 5, 6, 10, basic, hybrid raid, jbod), RAID provides data reliability, fault tolerance and improves overall performance DDR4 SDRAM memory technology for fast, easy, and convenient access and retrieval of data and information Desktop form factor allows hassle-free and easy usage with increased efficiency SAN/NAS Storage System offers maximum storage productivity with added dependability
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Delivery: in USA
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$1,332.99
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Synology DiskStation DS1821+ 8-Bay NAS Enclosure w/8x N300 Pro 4TB Interna

Designed for scalability and performanceThe 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a... morepowerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.• CPU: AMD Ryzen Quad-core 2.2GHz• Cache Acceleration: Dual M.2 2280 slots for NVMe Cache• Performance: 113K 4K random read IOPS1• Scalability: Expand up to 18 drives with two DX517 expansion unitsA Powerhouse On All FrontsThe DS1821+ can handle demanding application workloads and a greater number of
Adorama.com
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$2,319.91
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Synology DiskStation DS1821+ 8-Bay NAS Enclosure w/8x N300 Pro 6TB Interna

Designed for scalability and performanceThe 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a... morepowerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.• CPU: AMD Ryzen Quad-core 2.2GHz• Cache Acceleration: Dual M.2 2280 slots for NVMe Cache• Performance: 113K 4K random read IOPS1• Scalability: Expand up to 18 drives with two DX517 expansion unitsA Powerhouse On All FrontsThe DS1821+ can handle demanding application workloads and a greater number of
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$2,799.91
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14 more offer(s)
Series Synology DiskStation (desktop)Compare using chart →
Synology DiskStation DS224+
from $227.99 
without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 2 ports, 1 Gbps, CPU: Intel Celeron J4125, cores 4 cores (4 threads), 2 GHz, TurboBoost 2.7 GHz, mail server
Synology DiskStation DS223j
from $142.99 
without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: RealtekRTD1619B, cores 4 cores (4 threads), 1.7 GHz, mail server
Synology DiskStation DS923+
from $599.99 
without drive, slots: 3.5" 4, SATA 2, SATA 3, M.2, LAN: 2 ports, 1 Gbps, CPU: AMD Ryzen R1600, cores 2 cores (4 threads), 2.6 GHz, TurboBoost 3.1 GHz, mail server, AirPlay
Synology DiskStation DS723+
from $449.99 
without drive, slots: 3.5" 2, SATA 2, SATA 3, M.2, LAN: 2 ports, 1 Gbps, CPU: AMD Ryzen R1600, cores 2 cores (4 threads), 2.6 GHz, TurboBoost 3.1 GHz, mail server
Synology DiskStation DS223
from $249.99 
without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: Realtek RTD1619B, cores 4 cores (4 threads), 1.7 GHz
Synology DiskStation DS423+
from $499.99 
without drive, slots: 3.5" 4, SATA 2, SATA 3, M.2, LAN: 2 ports, 1 Gbps, CPU: Intel Celeron J4125, cores 4 cores (4 threads), 2 GHz, TurboBoost 2.7 GHz, mail server
Synology DiskStation DS124
from $153.35 
without drive, slots: 3.5" 1, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: Realtek RTD1619B, cores 4 cores (4 threads), 1.7 GHz
Synology DiskStation DS1621+
from $764.99 
without drive, slots: 3.5" 6, SATA 2, SATA 3, M.2, LAN: 4 ports, 1 Gbps, CPU: AMD Ryzen V1500B, cores 4 cores (8 threads), 2.2 GHz, mail server
Synology DiskStation DS1823xs+
from $1,349.99 
without drive, slots: 3.5" 8, SATA 2, SATA 3, M.2, LAN: 1 Gbps, 10 Gbps, CPU: AMD Ryzen V1780B, cores 4 cores (8 threads), 3.35 GHz, TurboBoost 3.6 GHz, mail server
Synology DiskStation DS620slim
from $449.99 
without drive, slots: 2.5" 6, SATA 2, SATA 3, LAN: 2 ports, 1 Gbps, CPU: Intel Celeron J3355, cores 2 cores (2 threads), 2 GHz, TurboBoost 2.5 GHz, transcoding, mail server, AirPlay
Synology DiskStation DS220+
from $254.99 
without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 2 ports, 1 Gbps, CPU: Intel Celeron J4025, cores 2 cores (2 threads), 2 GHz, TurboBoost 2.9 GHz, mail server, AirPlay, Chromecast
Synology DiskStation DS1821+
from $999.99 
without drive, slots: 3.5" 8, SATA 2, SATA 3, M.2, LAN: 4 ports, 1 Gbps, CPU: AMD RyzenTM V1500B, cores 4 cores (8 threads), 2.2 GHz, mail server
Synology DiskStation DS118
from $196.99 
without drive, slots: 3.5" 1, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: Realtek RTD1296, cores 4 cores (4 threads), 1.4 GHz, transcoding, mail server, AirPlay, Chromecast
Synology DiskStation DS3617xs
from $9,511.13 
without drive, slots: 3.5" 12, SATA 2, SATA 3, LAN: 4 ports, 1 Gbps, CPU: Intel Xeon D-1527, cores 4 cores (8 threads), 2.2 GHz, TurboBoost 2.7 GHz, transcoding, mail server, AirPlay
Synology DiskStation DS120j
from $299.00 
without drive, slots: 3.5" 1, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: Marvell A3720, cores 2 cores (2 threads), 0.8 GHz, mail server, AirPlay
Synology DiskStation DS220j
from $161.99 
without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: Realtek RTD1296, cores 4 cores (4 threads), 1.4 GHz, mail server, AirPlay
Synology DiskStation DS1621xs+
from $1,599.99 
without drive, slots: 3.5" 6, SATA 2, SATA 3, M.2, LAN: 1 Gbps, 10 Gbps, CPU: Intel Xeon D-1527, cores 4 cores (8 threads), 2.2 GHz, TurboBoost 2.7 GHz, mail server
Synology DiskStation DS418
from $649.99 
without drive, slots: 3.5" 4, SATA 2, SATA 3, LAN: 2 ports, 1 Gbps, CPU: Realtek RTD1296, cores 4 cores (4 threads), 1.4 GHz, transcoding, mail server, AirPlay
Synology DiskStation DS718+
from $1,099.00 
without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 2 ports, 1 Gbps, CPU: Intel Celeron J3455, cores 4 cores (4 threads), 1.5 GHz, TurboBoost 2.3 GHz, transcoding, mail server, AirPlay
Synology DiskStation DS218play
from $699.00 
without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: Realtek RTD1296, cores 4 cores (4 threads), 1.4 GHz, transcoding, mail server
Video reviews
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AWESOME! Synology 8 Bay DiskStation DS1821+ (Diskless)!
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Synology DS1821+ vs QNAP TS-873A NAS Drive Comparison
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QNAP TS-473A-8G
from $725.00 
without drive, slots: 3.5" 4, SATA 2, SATA 3, LAN: 2 ports, 2.5 Gbps, CPU: AMD Ryzen Embedded V1500B, cores 4 cores (8 threads), 2.2 GHz, USB C
Synology DiskStation DS1621+
from $764.99 
without drive, slots: 3.5" 6, SATA 2, SATA 3, M.2, LAN: 4 ports, 1 Gbps, CPU: AMD Ryzen V1500B, cores 4 cores (8 threads), 2.2 GHz, mail server
Synology DiskStation DS1522+
from $699.99 
without drive, slots: 3.5" 5, SATA 2, SATA 3, M.2, LAN: 4 ports, 1 Gbps, CPU: AMD Ryzen R1600, cores 2 cores (4 threads), 2.6 GHz, TurboBoost 3.1 GHz, mail server
QNAP TS-435XEU-4G
from $595.00 
rack, without drive, slots: 3.5" 4, SATA 2, SATA 3, M.2, LAN: 2 ports, 2.5 Gbps, CPU: Marvell OCTEON TX2 CN9130 / CN9131 (ARM), cores 4 cores (4 threads), 2.2 GHz, mail server
WD My Cloud EX2 Ultra
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Synology RackStation RS3621xs+
from $3,739.99 
rack, without drive, slots: 3.5" 12, SATA 2, SATA 3, LAN: 4 ports, 1 Gbps, 10 Gbps, CPU: Intel Xeon D-1541, cores 8 cores (16 threads), 2.1 GHz, TurboBoost 2.7 GHz, mail server
WD My Cloud 2TB
from $297.00 
2 TB, slots: 3.5" 1, SATA 2, LAN: 1 port, 1 Gbps
ASUSTOR Lockerstor 4 Gen2
from $609.00 
without drive, slots: 3.5" 4, SATA 2, SATA 3, M.2, LAN: 2 ports, 2.5 Gbps, CPU: Intel Celeron N5105, cores 4 cores (4 threads), 2 GHz, TurboBoost 2.9 GHz, transcoding, mail server, HDMI
ASUSTOR Lockerstor 12R Pro
from $3,099.00 
rack, without drive, slots: 3.5" 12, SATA 2, SATA 3, M.2, LAN: 4 ports, 1 Gbps, CPU: Intel Xeon E-2224, cores 4 cores (4 threads), 3.4 GHz, TurboBoost 4.6 GHz, transcoding, mail server, USB C
QNAP TS-H973AX-8G
from $989.00 
without drive, slots: 3.5" 5, 2.5" 4, SATA 2, SATA 3, LAN: 2.5 Gbps, 10 Gbps, CPU: AMD Ryzen Embedded V1500B, cores 4 cores (8 threads), 2.2 GHz, ZFS, transcoding, mail server, Chromecast, USB C
QNAP TS-233
from $143.99 
without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: ARM Cortex-A55, cores 4 cores (4 threads), 1.8 GHz
QNAP TS-932PX-4G
from $622.90 
without drive, slots: 3.5" 5, 2.5" 4, SATA 2, SATA 3, LAN: 2 ports, 2.5 Gbps, CPU: AnnapurnaLabs Alpine AL324, cores 4 cores (4 threads), 1.7 GHz, mail server, Chromecast
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