4U Dual-Expander High-Availability JBOD Storage Expansion

The VS320D-RS78J is a high-density 4U JBOD designed for massive data expansion with a low total cost of ownership (TCO). Engineered for mission-critical environments, it features a dual-expander architecture to ensure zero downtime and seamless scalability for modern data centers.

Close-up of a metallic server rack ASUS VS320D-RS78J, set against a futuristic digital background with text about data storage.

Scaling Infrastructure with Uncompromised Efficiency and JBOD Cost-Effectiveness

The VS320D-RS78J features an industrial-grade JBOD design focused on maximizing data center efficiency and high-density expansion. The 4U chassis supports 78 tool-less drive bays for rapid deployment, while the dual-expander architecture integrates high-bandwidth 48Gb/s SAS wide ports and redundant modules to ensure 99.9999% availability and seamless scalability up to 7.4PB for enterprise-scale workloads.

Extreme Performance & Scale
Delivers 8x48G wide ports and scales up to 7.4PB raw capacity to meet the most demanding data growth.
Six-Nines Enterprise Reliability
Ensures 99.9999% availability with no single point of failure , Power supply, expander hub, fans, management port are redundancy designed.
A sleek, gray server rack ASUS VS320D-RS78J, set against a digital blue background with grid lines.

Where ASUS Storage Appliance with JBOD VS320D-RS78J Fits?

From enterprise applications for high performance and high-density (High capacity) data centers to massive AI factory data backup storage, ASUS VS320D unified storage appliance with JBOD VS320D-RS78J provides the ideal balance of extreme scale and cost-effective reliability.

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Mission-Critical Workloads
  • High-IOPS Performance: Optimized for ERP, virtualization, and high-transaction software.
  • Non-Stop Operations: 99.9999% availability ensures core business services stay online.

Define Your JBOD Architecture: From Intelligent Tiering to Massive Expansion

Unlock the full potential of your JBOD by choosing the architecture that fits your data strategy. Optimize performance with Intelligent Tiering to balance All-Flash SAS / NVMe SSD performance and high-capacity SAS HDD costs, or achieve Massive Expansion by daisy-chaining units for a staggering raw capacity.

Tiering Cold Storage Pool
1st Tier All Flash 2nd Tier SAS HDDs
Front Panel of ASUS VS320D-RS26 and Front Panel of ASUS VS320D-RS78J Hot Tier To Cold Tier Cold Tier To Hot Tier
Capacity Expansion
Storage Appliance Storage Server
Rear Panel of ASUS VS320D-RS26 and Rear Panel of ASUS VS320D-RS78J 12G SAS 26 Bays 104 (26+78) Bays

Reliability Driven by Performance Architecture

Combining ASUS VS320D All flash dual controller appliance, the VS320D-RS78J is built for mission-critical stability. The following panel introduction highlights how this 78-bay SAS 3.0 performance is integrated into a high-density, hot-swappable design.

Front Panel of ASUS VS320D-RS78J
1 1 1 2 3 4 5 6 7
1 Storage drive power / status LED
2 System alert mute button
3 Fan Fault LED
4 Temperature (overheating) LED
5 Power fail LED
6 Power LED
7 Power button

FAQs

The VS320D-RS78J provides a massive, high-density foundation for AI data lakes by supporting up to 78 SAS/NL-SAS bays in a 4U chassis. It scales up to 7.4PB raw capacity through daisy-chaining, while its high-throughput SAS connector for big data and AI data backup.

To fulfill mission-critical requirements, the VS320D-RS78J features a Active-Active expander design and a fully redundant architecture. This ensures 99.9999% high availability with no single point of failure.

Yes. With ASUS VS320D-All flash storage appliance , VS320D-RS78J is designed for capacity expansion and cold data tier , allowing enterprises to optimize storage costs and performance. By combining SSD Read/Write cache for hot data and JBOD for high-capacity SAS HDDs cold storage, it intelligently accelerates IO-intensive enterprise software while maintaining a low TCO.

The VS320D-RS78J offers SAS ports with each expander featuring built-in 4-SAS(12G) wide port 48G. This allows direct connection to hosts or storage appliance with SAS connect ports.

You can seamlessly expand your capacity by adding a High-Density JBOD like the ASUS VS320D-RS78J. It connects via high-bandwidth 12Gb/s SAS to your existing storage appliance or head unit, offering an immediate 78-bay expansion. This daisy-chainable architecture allows you to scale up to 7.4PB raw capacity, making it the most cost-effective way to handle massive data growth in modern data centers.

The ASUS VS320D-RS78J is a choice for high-density cold storage and backup archiving due to its 4U 78-bay industrial design. It balances high-capacity SAS HDDs and dual expander, with ASUS All-flash storage appliance ensuring your archives are not only secure but also accessible with low latency. Its low TCO and tool-less maintenance make it ideal for enterprises looking for sustainable long-term data retention.