Fujitsu ETERNUS AF250 S2

Fujitsu ETERNUS AF250 S2 All Flash Storage

All Flash Storage Array - Fujitsu AF250 S2

The Fujitsu ETERNUS AF250 S2 is an incredibly fast and flexible all-flash storage system for the next generation data centre. At an affordable price point, it makes flash the new normal for all tier-1 applications in enterprise IT. Response times are ultra-low – in fact, they set performance records. The Fujitsu ETERNUS AF250 S2 ETERNUS AF is also built to be smart, with easily configurable automated quality of service to ensure each app gets the performance it needs, plus flexible deduplication and compression that can be turned on when required – and off when not. It keeps data safe as houses, with full-fledged DR with mirroring and automated transparent failover.

Fujitsu ETERNUS AF250 S2

Fujitsu ETERNUS AF250 S2 Overview

The ETERNUS AF250 S2 is the ideal choice for application scenarios with demanding data and performance requirements. The system delivers impressive IOPS performance with lowest latency even at full load. Thus it offers a solution that resolves all performance issues in critical applications – such as real-time business analytics or VDI environments - without requiring any complicated tuning. It also fits best as general purpose storage for all Tier-1 applications in small and mid-sized companies.

The Fujitsu ETERNUS AF250 S2 provides excellent hardware redundancy along with dual hot-plug PSUs (850W), the Fujitsu ETERNUS AF250 S2 comes with dual controllers functioning in active/active mode. Data ports provide two expansion slots which now support dual-port 32Gbps FC modules, as well as 8/16Gbps FC and 10GbE copper or SFP+ iSCSI options.

Fujitsu ETERNUS AFT250 S2 features

The Fujitsu ETERNUS AF250 S2 is based on the ETERNUS DX standard architecture and is designed for world beating service and reliability.

  • Performance optimised design
  • Proven and mature technology
  • System availability of 99.9999%
  • Common management across all-flash and hybrid storage systems

Flexible and flash optimised storage

  • Ultra-low response times for all applications - Latency: Less than 1 ms (4 KB Blocks), Write 60 μs, Read 160 μs (Minimum)
  • Massive increase of IOPS - Random access performance: Up to 430,000 IOPS (4 KB Blocks),  Sequential access performance: Max. 12 GB/s (128 KB Blocks)
  • No complicated tuning measures required
  • Scalable in capacity and connectivity

Selective use of deduplication / compression

  • Decide on volume label whether to use it or not
  • Cost reduction for flash
  • Increased lifespan of flash

Automated Quality-of-Service

  • Control of applications priorities according to business needs.
  • Automation of monitoring and adjustment
  • Minimization of admin efforts
  • Guaranteed service levels

Storage Cluster Option/Transparent failover

    • Avoid planned or unplanned downtime
    • Enjoy 100% data insurance and non-stop operations

Fujitsu AF250 S2 Rear

Fujitsu AF250 S2 Specifications

No. of controllers - 2
No. of host interfaces - 4/8 ports [FC(16Gbit/s, 32Gbit/s), iSCSI(10Gbit/s)]
Maximum System Memory - 64GB
Maximum Disk Drives - 48
Max. no. of drive enclosures - 1
Supported RAID levels - 0, 1, 1+0, 5, 5+0, 6
Host Interfaces - Fibre Channel (16 Gbit/s, 32Gbit/s), iSCSI (10 Gbit/s, 10 GBASE-T), iSCSI (10 Gbit/s, 10 GBASE-SR)
Max. no. of hosts - 1,024
Maximum Storage Capacity - 737 TB
Drive Type 2.5-inch, SSD - (15.36TB / 7.68TB / 3.84 TB / 1.92 TB / 960GB / 400 GB)
2.5-inch, SSD (self-encrypting) - (3.84 TB/1.92 TB)
Drive interface - Serial Attached SCSI (12 Gbit/s)
Back-end disk connectivity - 1 pair of four-lane x 12 Gbit/s Serial Attached SCSI buses (SAS 3.0 wide)
Max. no. of LUNs - 1,536
No. of snapshots - max. 4,096
Max. no. of copy generations - 512
Deduplication for block
Compression for block

Latency - Write 60 μs, Read 160 μs (Minimum)
Sequential access performance - 760,000 IOPS (100 % Read, 4 KB Blocks)
Random access performance - 430,000 IOPS (100 % Read, 4 KB Blocks)

Performance management
Automated Storage Tiering - Yes
Quality of Service - Yes
Automated QoS - Yes
Wide striping - Yes
Note Automation options can be activated via ETERNUS SF Software

Continuity management
Storage Cluster - Yes
Remote Copy functionality - Synchronous and asynchronous
Note Options can be activated via ETERNUS SF Software

Information security management
Data confidentiality - Self-Encrypting Disk, Controller based Encryption, HTTPS (SSL), One Time Password, RADIUS, SSH
Data integrity - Cache Protection, Data Block Guard, Disk Drive Patrol

Availability management
Non-disruptive maintenance - Dedicated Hot Spare, Global Hot Spare
Non-disruptive firmware upgrade - Yes
Redundancy - RAID Controller, Power supply, Fan
Hot part replacement - Yes

Capacity management
Thin Provisioning - Yes
RAID migration - Yes
LUN online expansion w/o interruption - Yes
Reporting function - Yes
Hot part expansion - Yes

Interfaces Ethernet - (1000 Base-T / 100 Base-TX / 10 Base-T)
Supported protocols - SNMP (version1, 2C, 3), SMI-S 1.6
Administration - Web-based graphical user interface, CLI (Command Line Interface), ETERNUS SF
Remote Support - Event notification (E-mail / SNMP / Syslog), Remote maintenance

Supported OS for ETERNUS SF
Operation Management Server - Microsoft® Windows Server® 2016, Microsoft Windows Server 2012, 2012 R2, Microsoft Windows Server 2008, 2008 R2, Solaris® 11 (11/11 or later), Solaris® 10, Red Hat® Enterprise Linux® 7, 6, 5, VMware® vSphere® 6 / 5 / 5.1/ 5.5, Microsoft Windows Server 2016 Hyper-V, Microsoft Windows Server 2012 Hyper-V, 2012 R2 Hyper-V, Microsoft Windows Server 2008 Hyper-V, 2008 R2 Hyper-V Hyper-V 2.0

Operation Management Client
Internet Explorer® 9, 10, 11, FireFox® ESR 17, 24, 31, 38, 45, 52, Microsoft Edge® 25, Chrome® 60, Chrome® 47, 50 (Android®), Safari 8, 9 (iOS)

Supported configurations
All major host operating systems, servers and business applications
Detailed support matrix:

Installation specification
19” rackmount -Yes
Service Area Front: 850 mm (33.5 inch) or more
Rear: 850 mm (33.5 inch) or more
Power voltage - AC 100 - 120 V / AC 200 - 240 V
Power frequency - 50 / 60 Hz
Power supply efficiency - 92 % (80 PLUS gold)
Maximum Power Consumption - AC 100 - 120 V: 1,280 W (1,300 VA)
Maximum Power Consumption - AC 200 - 240 V: 1,280 W (1,300 VA)
Power phase - Single

ETERNUS AF250 S2 - Chassis
Dimensions (W x D x H)
482 x 645 x 88 mm
19 x 25.4 x 3.5 inch
2 U
Weight 35 kg (77 lb)
Maximum Power Consumption
(AC 100 - 120 V)
850W (860VA)

2.5-inch Drive Expansion Enclosure
Dimensions (W x D x H)
482 x 540 x 88 mm
19 x 21.3 x 3.5 inch
2 U
Weight 35 kg (77 lb)
Maximum Power Consumption
(AC 200 - 240 V)
430W (440VA)

Maximum Heat Generation - AC 100 - 120 V: 4,700: kJ/h, AC 200 - 240 V: 4,700: kJ/h
Temperature (not operating) - 0 - 50 °C
Humidity (operating) - 20 - 80 % (relative humidity, non-condensing)
Humidity (not operating) - 8 - 80 % (relative humidity, non-condensing)
Altitude - 3,000 m (10,000 ft.)
Sound pressure - (LpAm) 47dB(A)
Sound power - (LWAd; 1B = 10dB) 6.5B

Noise notes - Measured with single enclosure according to ISO 7779 and declared according to ISO 9296
Operating environment - Site Planning Guide
Operating environment link -

Product safety - UL 60950-1, CSA 60950-1, EN 60950-1, IEC 60950-1
Electromagnetic Compatibility - CNS 13438, FCC Part-15 Subpart B Class A, ICES 003 Class A, EN55032, VCCI Class A, AS/NZS CISPR 32 class A
Electromagnetic Immunity - EN 55024
CE certification - 2014/30/EU, 2014/35/EU, 2011/65/EU
Approvals - CB, CE, C-Tick, FCC, EAC, GS, VCCI
Environmental compliance - RoHS compliant, WEEE compliant

Compliance notes There is general compliance with the safety requirements of all European countries and North America. National approvals required in order to satisfy statutory regulations or for other reasons can be applied for on request.
Compliance link -

Warranty period - 3 years
Warranty type - Onsite warranty
Warranty Terms & Conditions -

Product Related Services - the perfect extension
Support Pack Options - Globally available in major business areas: 9x5, Next Business Day Onsite Response Time 9x5, 4h Onsite Response Time (depending on country), 24x7, 4h Onsite Response Time (depending on country)

Recommended Service - 24x7, Onsite Response Time: 4h
Service Lifecycle - 5 years after end of product life
Service Weblink -

If you would like a test drive the Fujitsu AF250 S2 please complete our contact form and we will arrange a 30 day trial for you.

Datasheet ¦ Reasons to invest in flash storage ¦ Fujitsu AF Storage

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