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DS420+
DiskStation DS420+ - NAS - Desktop - Intel® Celeron® - J4025...
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DS420+ is a high-performance NAS system featuring 4 drive bays that support mixed drive types including SATA HDD, SATA SSD, and NVMe SSD. It offers a maximum storage capacity of 64 TB and supports a range of RAID configurations such as RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and JBOD.
DS420+ is powered by an Intel Celeron quad-core processor with 4 GB of pre-installed DDR4 memory (upgradable to 8 GB) and provides connectivity via 1GbE LAN and USB 3.0 interfaces. Designed for SMB backup, enterprise data centers, virtualization, and media server deployments, it features active cooling, expansion support, and a single 250W power supply for reliable, continuous operation.
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| DS420+ |  RS422+ |  RS2418RP+ |  SA3200D |  DS918+ | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | NAS | SAN | NAS |
| Form Factor | Desktop | Rackmount | Rackmount | Rackmount | Desktop |
| Bay Count | 4-bay | 12-bay | 24-bay | 24-bay | 4-bay |
| Supported Drive Types | Mixed | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | SATA HDD / SATA SSD |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 64 TB | 512 TB | 192 TB | 1 PB | 64 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| CPU Type | Intel Celeron | Intel Xeon | Intel Xeon | Intel Xeon | Intel Celeron |
| CPU Cores | 4 | 8 | 4 | 8 | 4 |
| Installed RAM | 4 GB | 16 GB | 8 GB | 16 GB | 4 GB |
| Max RAM Capacity | 8 GB | 64 GB | 128 GB | 64 GB | 8 GB |
| RAM Type | DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR3 |
| Network Ports | 1GbE | 10GbE | 10GbE | 10GbE | 1GbE |
| LAN Ports | 2 | 4 | 2 | 2 | 2 |
| USB Ports | USB 3.0 | USB 3.2 | USB 3.0 | USB 3.0 | USB 3.0 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Active | Active | Redundant Fan | Active |
| Power Supply | Single | Redundant | Redundant | Redundant | Single |
| Power Supply Wattage | 250W | 500W | 750W | 500W | N/A |
| Operating System | QTS | Custom OS | QTS | Custom OS | DSM |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | No | Yes | No | Yes |
| Use Case | SMB | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center / Virtualization / Media Server | SMB |
| Product Name | DS420+ | RS422+ Enterprise Storage System | QNAP TS-RS2418RP+ | SA3200D Enterprise Storage Array | Synology DiskStation DS918+ |
| Height | 3.7 inches | 3 inches | 4.4 inches | 3.5 inches | 6.54 inches |
| Width | 8.7 inches | 17 inches | 17.3 inches | 17.5 inches | 7.84 inches |
| Depth | 10.2 inches | 25 inches | 28.9 inches | 28.0 inches | 8.78 inches |
| Weight | 12 lbs | 35 lbs | 66 lbs | 55 lbs | 6.6 lbs |
Reliable 4-bay NAS with dual NVMe cache slots. It provides the high-speed performance needed for our office storage.
Exceptional throughput and professional build. The DS420+ is a dependable workhorse for all our high-traffic network storage tasks.
Consistent performance and robust data protection. A very trustworthy solution for businesses requiring a high-performance 4-bay storage server.
Outstanding build quality and user-friendly interface. It handles our daily backups and file management with absolute system stability.
Professional grade 4-bay storage with impressive features. It offers predictable performance and excellent longevity for our office network.
Consistent and fast network-attached storage. It effectively handles our intensive file sharing and backup tasks with absolute ease.
Superior reliability and throughput for small businesses. It consistently delivers the speed and capacity our professional infrastructure demands.
The Synology DiskStation DS420+ is a 4-bay desktop NAS powered by an Intel® Celeron® J4025 CPU, designed for home and small office environments to deliver high-speed file sharing, data protection, and multimedia streaming.
The DS420+ is equipped with an Intel® Celeron® J4025 dual-core processor (2.0 GHz, burst up to 2.9 GHz) to handle multitasking, on-the-fly video transcoding, and demanding network workloads.
The DS420+ features four drive bays compatible with 3.5” or 2.5” SATA HDDs and SSDs, supporting capacities up to 108 TB raw (4 x 27 TB) in a single enclosure.
Yes. The DS420+ ships with 2 GB DDR4 memory and supports an upgrade to 6 GB by installing an additional 4 GB DDR4 SO-DIMM module for enhanced performance.
The DS420+ offers dual 1 GbE RJ-45 ports with Link Aggregation and failover support, and an optional 10 GbE network expansion card for ultra-fast connectivity.
Yes. You can install up to two M.2 NVMe SSDs in the built-in slots for read-write caching to dramatically improve I/O performance.
The DS420+ supports Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, and RAID 6 to balance performance, capacity, and redundancy.
The DS420+ runs DiskStation Manager (DSM), Synology’s intuitive web-based OS that offers file management, backup, security, and application ecosystems.
Use Synology’s Hyper Backup for multi-version backups to local disks, remote Synology NAS, public cloud services, and rsync-compatible servers.
Yes. With built-in support for DLNA, AirPlay, Chromecast, and on-the-fly H.265/H.264 transcoding, the DS420+ streams high-definition audio and video to multiple devices.
Absolutely. The DS420+ is certified for VMware®, Citrix®, Hyper-V®, and OpenStack® Cinder, offering iSCSI support and high I/O stability for virtual machine deployments.
The DS420+ supports AES-NI hardware encryption to secure shared folders and volumes without impacting system performance.
Under typical operation, the DS420+ consumes approximately 28.18 W (access) and 9.21 W (HDD hibernation), ensuring energy-efficient performance.
The DS420+ measures 166 mm x 199 mm x 223 mm (HxWxD) and weighs 1.89 kg without disks, making it a compact solution for desktop or rack-mounted setups.
Synology provides a 2-year limited hardware warranty for the DS420+, with optional extensions available for up to 5 years.
Simply install your drives, connect the DS420+ to your network, power it on, and follow the DSM web-guided installation wizard at find.synology.com or via Synology Assistant.
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