Fujitsu ETERNUS Storage Systems: DX, AF and CS Series – Models, Features, and Refurbished Options
- server-parts.eu server-parts.eu

- Dec 29, 2024
- 4 min read
Updated: Nov 3
When it comes to enterprise storage, leading solutions like HPE, IBM, Lenovo, and Dell EMC dominate the market. However, Fujitsu's ETERNUS storage systems provide a compelling alternative, offering a wide range of hybrid and all-flash solutions designed for diverse business needs.
Fujitsu ETERNUS Storage & Parts: Save Up To 80%
✔️ 5-Year Warranty – No Risk: Pay Only After Testing
Users familiar with Fujitsu or working with a reliable IT supplier or service provider specializing in Fujitsu often choose Fujitsu ETERNUS storage over other brands for its tailored performance and support.
Fujitsu ETERNUS Storage Product Categories
Fujitsu ETERNUS storage systems are divided into three main categories, each designed for specific workloads and business environments. Whether you're looking for hybrid storage, all-flash solutions, or reliable backup systems, ETERNUS has you covered.
Fujitsu ETERNUS DX Series: Hybrid and All-Flash Storage
The Fujitsu DX series is Fujitsu’s main line, designed to balance performance and scalability. It supports hybrid SAS/SATA and SSD configurations; only some higher-end models offer NVMe options, making it versatile for a range of applications.
Model | Use Case | Max Drives | Max Capacity | Notable Features |
Fujitsu DX60 S5 | Entry-level storage for SMBs | 96 drives | 480TB | Redundant controllers, SAS and SSD support |
Fujitsu DX100 S5 | Mid-range storage for growing enterprises | 264 drives | 4.7PB | Deduplication, compression, dual-controller design |
Fujitsu DX200 S5 | High-performance storage for enterprise needs | 528 drives | 8.1PB | NVMe support, advanced data protection |
Fujitsu DX500 S5 DX600 S5 | Enterprise-class storage for mission-critical tasks | 1,536 drives | 24PB | Non-disruptive updates, NVMe and hybrid support |
Fujitsu ETERNUS AF Series: All-Flash Storage
The Fujitsu AF series focuses entirely on all-flash technology, ensuring maximum performance for latency-sensitive workloads such as real-time analytics, AI, and high-frequency trading.
Model | Use Case | Max Drives | Max Capacity | Notable Features |
Fujitsu AF250 | Small to mid-sized enterprises | 96 drives | 1PB | Ultra-low latency, NVMe-optimized |
Fujitsu AF650 | Enterprise-grade performance | 384 drives | 3.8PB | Scalable architecture, advanced QoS settings |
Fujitsu ETERNUS CS Series: Backup and Data Protection
The Fujitsu CS series focuses on secure backup, archiving, and disaster recovery. It is an essential addition for enterprises prioritizing data protection.
Model | Use Case | Notable Features |
Fujitsu CS200c | Backup for SMBs and branch offices | Integrated backup software, deduplication |
Fujitsu CS800 | Mid-sized enterprise backup and recovery | Scalable architecture, replication support |
Fujitsu CS8200 | Large-scale backup and disaster recovery | High availability, cloud-tiering integration |
Fujitsu ETERNUS Drive Compatibility and Options
Fujitsu ETERNUS systems support a variety of drive types, ensuring flexibility and adaptability for specific workloads.
Drive Type | Description | Speeds | Capacities |
Fujitsu NVMe | High-performance drives for latency-sensitive applications | Up to 6,000 MB/s read/write | 1.92TB, 3.84TB, 7.68TB, 15.36TB |
Fujitsu SAS | Enterprise-grade drives for consistent reliability | 10K RPM (up to 200 MB/s) | 300GB, 600GB, 1.2TB, 2.4TB |
Fujityu SATA | Cost-effective drives for archival storage | Up to 6Gb/s | 1TB, 2TB, 4TB, 8TB, 16TB |
Refurbished Fujitsu ETERNUS Models and Parts Availability
Refurbished ETERNUS systems, including DX, AF, and CS series models, are widely available. These options provide a cost-effective way to upgrade IT infrastructure or maintain older systems without compromising reliability.
Current Model | Refurbished Option 1 | Refurbished Option 2 |
Fujitsu ETERNUS DX600 S6 | Fujitsu ETERNUS DX60 S5 | Fujitsu ETERNUS DX60 S4 |
Fujitsu ETERNUS DX900 S6 | Fujitsu ETERNUS DX100 S5 | Fujitsu ETERNUS DX100 S4 |
Fujitsu ETERNUS AX1200 All-Flash | Fujitsu ETERNUS AF250 | Fujitsu ETERNUS AF150 |
Fujitsu ETERNUS CS800 S7 | Fujitsu ETERNUS CS8200 | Fujitsu ETERNUS CS8100 |
In addition to complete systems, refurbished HDDs, SSDs, memory modules, and other components are widely available. This ensures that older Fujitsu ETERNUS models can be maintained efficiently and affordably:
Fujitsu HDDs and SSDs: Upgrade to higher-capacity or faster drives for improved performance.
Fujitsu Memory (RAM): Expand system memory for handling larger workloads or supporting virtualization.
Fujitsu Controllers and RAID Cards: Replace or upgrade to newer RAID controllers for enhanced data protection.
Fujitsu Power Supplies: Reliable, energy-efficient refurbished units to ensure uninterrupted operations.
Advantages of Refurbished Fujitsu ETERNUS Systems and Parts:
Cost Savings: Refurbished systems and parts typically cost 50–80% less than new components.
Reliable Performance: Fully tested and certified for enterprise workloads.
Availability: Spare parts for legacy systems, including drives, memory, and controllers, are easily sourced.
Scalability: Older systems can be upgraded by replacing outdated parts with newer, more powerful components at a fraction of the cost.
Sustainability: Extends the lifecycle of existing hardware, reducing electronic waste.
By leveraging refurbished systems and parts, businesses can maintain their existing ETERNUS infrastructure, optimize performance, and reduce costs without investing in entirely new systems.
Technical Features of Fujitsu ETERNUS Storage
Unified Storage:
Block and file storage in one system for simplified management.
Advanced RAID Technology:
RAID-6 and RAID-10 configurations for robust data protection.
Non-Disruptive Updates:
Firmware updates without downtime.
Performance Optimization:
Sub-millisecond latency with NVMe drives.
Adaptive QoS ensures high-priority applications always have resources.
Management Suite:
ETERNUS SF provides centralized monitoring and provisioning tools.
Energy Efficiency:
Intelligent cooling systems reduce operational costs.
Fujitsu ETERNUS Storage & Parts: Save Up To 80%
✔️ 5-Year Warranty – No Risk: Pay Only After Testing
Sources - Fujitsu ETERNUS Storage
“ETERNUS DX – Features” (Fujitsu) — overview page
“Data Sheet FUJITSU Storage ETERNUS DX60 S4” — specifications for DX60 S4
“FUJITSU Storage ETERNUS DX200 S5” — specs for DX200 S5
“Data Sheet Fujitsu Storage ETERNUS AF650 S3 All-Flash Array” — AF series specs
“Data Sheet: ETERNUS CS (Virtual Tape / Backup Appliance)” — CS series overview
“Fujitsu Storage ETERNUS DX600 S6” — latest generation specs






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