We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Network Attached Storage.
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Network Attached Storage Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Network Attached Storage Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. KSG Tokyo//IT/Telecommunications
  2. アプライド Fukuoka//Trading company/Wholesale
  3. ハギワラソリューションズ Aichi//Industrial Electrical Equipment
  4. 4 バッファロー 本社 Aichi//Consumer Electronics
  5. 4 OCH Okinawa//IT/Telecommunications
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Network Attached Storage Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Synology RS822RP+(2TBx4) KSG
  2. Applied Data Solution "D-MASTER NAS" アプライド
  3. ASUSTOR DRIVESTOR 4 AS1104T KSG
  4. ASUSTOR Nimbustor 2 AS5202T KSG
  5. 4 ASUSTOR LOCKERSTOR AS6510T KSG

Network Attached Storage Product List

16～30 item / All 30 items

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Synology DS423(2TBx4)

Synology DS423(2TBx4)

Simplifying data management

The Synology Value Series is designed for users in SOHO environments and workgroups who need cost-effective solutions, allowing them to implement comprehensive applications and services without the need for multiple network appliances or servers. CPU: Realtek RTD1619B 4-core 1.7 GHz, read speed over 223MB/s, low noise level of 22.9db ■ Multi-device access Files can be viewed, accessed, edited, and shared securely and conveniently from desktop and mobile devices, as well as web browsers. ■ On-demand synchronization Only the necessary files are synchronized from the Synology system, saving space on personal devices. Frequently accessed files can be pinned for convenient offline access. ■ Cross-platform sharing Build a private data cloud that allows for rapid synchronization and sharing of files between multiple storage servers, enabling anyone to freely access the same data.

  • Company：KSG
  • Price：100,000 yen-500,000 yen
  • Other network tools

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Synology DS1522+(2TBx5)

Synology DS1522+(2TBx5)

Flexible data management for home and small businesses.

We provide a high-performance, reliable, and scalable solution that simplifies data management for system administrators and is useful for preparing for the future. Expandable up to 15 drives, with optional 10GbE support and NVMe SSD caching available. ■ Simplified and Faster Compared to traditional systems, this product is designed to handle more demanding application workloads and simultaneous connections from many users. ■ Flexible Networking Options Reduce transfer times with the DS1522+, aimed at improving workload efficiency. Enhance performance with easily addable high-speed networking and NVMe drives. Up to 736/796 MB/s read/write speeds, maximum 10GbE networking, and 2 x M.2 NVMe cache and storage pools. *In addition to a 3-year warranty, this product also offers advance replacement, next business day onsite warranty, and 24-365 onsite warranty options.

  • Company：KSG
  • Price：100,000 yen-500,000 yen
  • Other network tools

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Synology DS2422+(4TBx12)

Synology DS2422+(4TBx12)

High-performance and large-capacity storage design.

The Synology Plus series simplifies data management for system administrators and provides a high-performance, reliable, and scalable solution that is useful for future preparedness. Large-capacity storage, file sharing, 4-core CPU ■ Enhanced Performance You can comfortably run high-load applications and processes by multiple users on the DS2422+ while maintaining smooth and fast operability. ■ Certified Virtual Machine Storage DSM is fully certified for virtualization environments such as VMware, vSphere, and Microsoft, optimizing the provisioning and management of virtual machines. With the Synology Storage Console for VMware or Storage Console for Windows platforms, your storage can be managed directly from the hypervisor. *This product also comes with a product warranty beyond the standard 3-year warranty.

  • Company：KSG
  • Price：500,000 yen-1 million yen
  • Other network tools

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Synology RS822+(2TBx4)

Synology RS822+(2TBx4)

All-in-one edge storage solution

We provide a high-performance, reliable, and scalable solution that simplifies data management for system administrators and is useful for preparing for the future. All-in-one 1U Edge Storage Solution ■ Design Pursuing Reliability Equipped with four 1GbE RJ-45 ports, it enables automatic network failover and load balancing through link aggregation. With Synology High Availability, you can form a reliable active/passive server cluster with two RS822+ units, maximizing service uptime. ■ Flexible Expandability The RS822+ can be easily adjusted to fit your environment in terms of performance, high-speed networking, and storage capacity. ■ Storage Expansion You can expand the drive bays up to 8 with the RX418 expansion unit. *This product comes with a 3-year warranty, as well as options for advance replacement, next business day onsite support, and 24-365 onsite support.

  • Company：KSG
  • Price：100,000 yen-500,000 yen
  • Other network tools

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Synology RS2423+​(4TBx12)

Synology RS2423+​(4TBx12)

Secure storage for business use

We provide a high-performance and reliable solution that simplifies data management for system administrators and is useful for preparing for the future. ■ High speed and excellent responsiveness It boasts high performance with over 155K/79K random read/write IOPS and sequential read/write throughput of 3,500/1,700MB/s. It is ideal as a cost-effective file management and sharing solution. 27% faster read* and 26% faster write* *Compared to the previous model RS2421(RP)+ ■ Excellent scalability The 2U 12-bay RS2423+ can be easily expanded to suit the usage environment, including performance, high-speed networking, and large-capacity storage. ■ Storage expansion You can add 12 drive bays with the RX1223RP expansion unit, expanding the total to 24 drive bays. AMD Ryzen V1780B 4-core 3.35 (base) / 3.6 (burst) GHz / 8GB / 4TB SATA HDD disk x12 *This product also offers advance replacement and on-site warranty options in addition to a 3-year warranty.

  • Company：KSG
  • Price：500,000 yen-1 million yen
  • Other network tools

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[Seminar Video] Introduction to QNAP with a Rich Lineup of Proposals

[Seminar Video] Introduction to QNAP with a Rich Lineup of Proposals

We will solve your NAS problems! A must-see program for those considering the introduction of NAS.

This seminar is an online seminar video held on February 24, 2022. It is currently available for free on demand. You can watch it on our website via the "Related Links" at the bottom of the page. NAS can be implemented relatively inexpensively for various purposes such as backup and data sharing, which is why many companies use it. Among them, the high-performance and feature-rich 'QNAP' is a product of particular interest that can be easily implemented. In this seminar, our group company Force Media will participate as a speaker, providing an overview of the product and allowing you to see the actual user interface, along with a more detailed introduction to its features. We hope you will watch it. [Seminar Program] ■1. Announcement of the Grouping of Force Media ■2. Introduction to QNAP ■3. Survey *For more details, please refer to the related links or feel free to contact us.

  • Technical Seminar
  • Storage Backup
  • Data Logger

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Applied Data Solution "D-MASTER NAS"

Applied Data Solution "D-MASTER NAS"

An original data management server that protects the data environment of corporations and allows for comfortable utilization!

Applied's data solution "D-MASTER NAS" is an all-in-one package that includes our unique support with high-quality NAS. We provide safe support for settings, troubles, and maintenance related to data sharing and backup for the preservation of important data. By introducing NAS into the internal network, data sharing and centralized management of data become possible, making internal data sharing and backup comfortable. Furthermore, by configuring remote work settings, file operations by multiple members can be conducted not only within the company but also outside (at home), creating an environment where business progress and information management can be carried out smoothly. 【Features】 ■ No need to carry data between the office and home, leading to smoother operations ■ Data can be shared among employees, making business progress and response during inquiries comfortable ■ Centralized management of data on NAS ensures security *For more details, please refer to the PDF document or feel free to contact us.

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  • Other embedded systems (software and hardware)

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A high-capacity NAS equipped with a highly durable HDD that excels in long-term operation!

A high-capacity NAS equipped with a highly durable HDD that excels in long-term operation!

A large-capacity NAS that standardly uses high-durability Western Digital HDDs optimized for NAS systems!!

The "D-MASTER NAS Series" is an ideal NAS system for sharing and protecting important corporate data. Based on a high-performance NAS system, it employs highly durable HDDs that excel in long-term operation. It also supports RAID technology, which allows multiple HDDs to be recognized as a single drive, enabling reliable data operations. Additionally, it offers a wide range of options tailored to different applications and environments, allowing for customization of the overall NAS capacity, types of HDDs, RAID levels, and more. At the time of factory shipment, network and access settings will be configured before delivery. For a fee, we provide a variety of services and support options, including maintenance and data recovery.

  • Storage Backup

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Synology RS1221RP+(2TBx8)

Synology RS1221RP+(2TBx8)

Compact and highly reliable

We provide a high-performance and reliable solution that simplifies data management for system administrators and is useful for preparing for the future. ■ Highly Reliable Structure Redundant Power By reducing the likelihood of power interruption through a single distribution channel or PDU, the availability of data and services can be improved. Maximum Service Availability When combined with another identical unit, Synology High Availability enables automatic failover between two cluster servers in the event of a server failure, minimizing service downtime. Data Integrity and Protection ECC memory and the Btrfs file system are equipped with higher reliability and snapshot capabilities to prevent data corruption and simplify data protection. ■ Storage Expansion Expand up to 12 drive bays with the RX418 expansion unit AMD Ryzen V1500B 4-core 2.2 GHz/4GB/2TB SATA HDD disk x8 *This product also includes options for advance replacement and next business day onsite warranty in addition to the standard 3-year warranty.

  • Company：KSG
  • Price：100,000 yen-500,000 yen
  • Other network tools

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Synology RS2423RP+​(4TBx12)

Synology RS2423RP+​(4TBx12)

Secure storage for business use

We provide a high-performance and reliable solution that simplifies data management for system administrators and is useful for preparing for the future. ■ High speed and excellent responsiveness It boasts high performance with over 155K/79K random read/write IOPS and sequential read/write throughput of 3,500/1,700MB/s. It is ideal as a cost-effective file management and sharing solution. 27% faster read* and 26% faster write* *Compared to the previous model RS2421(RP)+ ■ Excellent scalability The RS2423RP+ can be easily expanded according to the usage environment, including performance, high-speed networking, and large-capacity storage. ■ Storage expansion You can add 12 drive bays with the RX1223RP expansion unit, expanding to a total of 24 drive bays. AMD Ryzen V1780B 4-core 3.35 (base) / 3.6 (burst) GHz / 8GB / 4TB SATA HDD x12 *This product also includes options for advance replacement and onsite warranty in addition to the 3-year warranty.

  • Company：KSG
  • Price：500,000 yen-1 million yen
  • Other network tools

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Synology DS3622xs+​(4TBx12)

Synology DS3622xs+​(4TBx12)

High-performance large-capacity storage

We provide a powerful large-scale tool that supports virtualization solutions, maximizes cost performance by enhancing centralized management and efficiency, and streamlines storage while making management easier. High capacity, scalability, high processing power, VM, container storage, high-speed file sharing, NVR ■ Reliable storage that adapts to diverse scenarios This versatile storage perfectly fits file servers, block storage, and application servers that require reliability and cutting-edge storage technology. ■ Accelerated performance Smooth operation is maintained even when multiple users are running demanding applications. ■ Design to maximize uptime Designed to ensure that mission-critical data and services are always accessible, allowing business continuity even in the event of a disaster. Intel Xeon D-1531 6-core 2.2 (base) / 2.7 (burst) GHz / 16GB / 4TB SATA HDD disk x12 *This product is available with additional options such as a 3-year warranty, advance replacement warranty, and onsite warranty.

  • Company：KSG
  • Price：1 million yen-5 million yen
  • Other network tools

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Synology RS3621xs+​(4TBx12)

Synology RS3621xs+​(4TBx12)

Accelerate daily business.

We provide a high-performance and reliable solution that simplifies data management for system administrators and is useful for preparing for the future. Reliable enterprise NAS with an 8-core CPU ■ Redundant Power Supply Dual PSUs provide protection against PSU failures and sudden power cord disconnections. Additionally, the fans support hot-swapping, allowing for fan replacement without turning off the system. ■ Maximizing Service Availability Synology High Availability (SHA) creates an active/passive cluster by pairing two identical units, enabling quick failover. ■ Next-Generation File System Btrfs prevents data corruption with advanced storage technology and optimized snapshots, reducing the burden of maintenance. Intel Xeon D-1541 8-core 2.1 (base) / 2.7 (burst) GHz / 8GB / 4TB SATA HDD x12 *This product is available with additional options such as a 3-year warranty, advance replacement warranty, and on-site warranty.

  • Company：KSG
  • Price：1 million yen-5 million yen
  • Other network tools

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ASUSTOR NIMBUSTOR 2 AS5402T

ASUSTOR NIMBUSTOR 2 AS5402T

Equipped with four M.2 slots for NVMe SSDs!

2-Bay NAS for Heavy Users Compatible with Streaming Platform Distribution - Equipped with Intel Celeron N5105 Quad-Core - 2.5 Gigabit LAN x2 - 4 M.2 NVMe SSD slots - Supports PCIe 3.0 SSD - Standard 4GB DDR4-2933 x1 - 3 USB 3.2 Gen2 (x1) - ASUSTOR Live compatible for video distribution - Supports 4K 10bit hardware decoding - Supports Wake On WAN and Wake on LAN

  • Company：KSG
  • Price：10,000 yen-100,000 yen
  • Industrial PCs

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ASUSTOR LOCKERSTOR AS6508T

ASUSTOR LOCKERSTOR AS6508T

NAS with practical specifications adapted to advanced enterprise environments.

It is equipped with an Intel quad-core CPU, 8GB DDR4 memory, dual 2.5GBase-T and 10GBase-T ports, and an m.2 slot for cache.

  • Company：KSG
  • Price：100,000 yen-500,000 yen
  • Industrial PCs

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Synology RS822RP+(2TBx4)

Synology RS822RP+(2TBx4)

All-in-one edge storage solution

We provide a high-performance, reliable, and scalable solution that simplifies data management for system administrators and is useful for preparing for the future. All-in-one 1U Edge Storage Solution ■ Design Pursuing Reliability Equipped with four 1GbE RJ-45 ports, it enables automatic network failover and load balancing through link aggregation. With Synology High Availability, two RS822RP+ units can form a reliable active/passive server cluster, maximizing service uptime. ■ Flexible Scalability The RS822RP+ can be easily adjusted to fit your environment in terms of performance, high-speed networking, and storage capacity. ■ Storage Expansion You can expand the drive bays up to 8 with the RX418 expansion unit. *This product is available with additional options such as advance replacement warranty, next business day onsite warranty, and 24-365 onsite warranty.

  • Company：KSG
  • Price：100,000 yen-500,000 yen
  • Other network tools

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