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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.
Before buying always check characteristics and configuration of product with online store manager
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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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$1,022.43
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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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$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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$1,332.99
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Synology Diskstation DS1821+ 8-Bay NAS Enclosure, 4-Core 2.2GHz, 4GB RAM,

You can elevate your data storage and management with the Diskstation DS1821+ 8-Bay NAS Enclosure. This high-performance devi... morece, powered by a 4-Core 2.2GHz AMD Ryzen processor and 4GB RAM, is designed for IT enthusiasts and small to medium-sized businesses seeking a robust and scalable storage solution. The DS1821+ is equipped with dual M.2 2280 slots for NVMe Cache, delivering an impressive performance of 113K 4K random read IOPS1. This powerhouse device can handle demanding application workloads and accommodate a higher number of concurrent users, ensuring faster file indexing in Synology Drive and more responsive web services. The device's scalability is a standout feature, allowing you
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$999.99
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Synology Diskstation DS1821+ 8-Bay NAS Enclosure w/8x Red Plus 2TB Interna

Are you in search of a robust and scalable storage solution? The Diskstation DS1821+ 8-Bay NAS Enclosure, bundled with 8x WD... moreRed Plus 2TB 3.5" SATA III Internal NAS Hard Drives, is designed to meet the needs of IT enthusiasts and SMB customers. This powerhouse of a device is equipped with an AMD Ryzen Quad-core 2.2GHz CPU and dual M.2 2280 slots for NVMe Cache, offering superior performance and speed. The DS1821+ excels in handling demanding application workloads and supporting a high number of concurrent users. With faster file indexing in Synology Drive and more responsive web services, it ensures your workloads are completed quicker than ever. This NAS enclosure is not just about speed;
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$1,639.91
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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 DS923+
from $579.00 
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 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 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 DS223
from $187.99 
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 DS723+
from $425.00 
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 DS124
from $143.99 
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 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 $333.99 
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 DS1621+
from $899.99 
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 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 $152.99 
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 DS1819+
from $719.00 
without drive, slots: 3.5" 8, SATA 2, SATA 3, M.2, LAN: 4 ports, 1 Gbps, CPU: Intel Atom C3538, cores 4 cores (4 threads), 2.1 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 DS220+
from $299.99 
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 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 $699.99 
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
Video reviews
SYNOLOGY DS1821+ NAS OVERVIEW | Hands-On & Unboxing 8-Bay Massive Local Network File Server Storage
9 March 20222 720 view
AWESOME! Synology 8 Bay DiskStation DS1821+ (Diskless)!
4 May 2023359 view
Synology DS1821+ vs QNAP TS-873A NAS Drive Comparison
19 March 202116 504 view
Synology DS1621+ & DS1821+ NAS - How Well Does It Run DSM 7.0
16 June 20217 924 view
Synology DS1821+ 8 Bay NAS Revealed
10 November 202014 035 view
Episode 1 Synology DS1821+ NAS 8 Bay
24 November 20211 055 view
Synology DS1821+ NAS - Should You Buy It
10 December 202027 887 view
Synology DS1821+ Hands-on Review
18 March 20219 436 view
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QNAP TS-473A-8G
from $1,153.45 
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 $899.99 
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
QNAP TS-h1886XU-RP-D1622-32G
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WD My Cloud EX2 Ultra
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without drive, slots: 3.5" 2, SATA 2, SATA 3, LAN: 1 port, 1 Gbps, CPU: Marvell ARMADA 385, Chromecast
Synology RackStation RS3621xs+
from $4,399.99 
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
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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 
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