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IBM DS4400

Description -
Guaranteed for IBM Support
Tech Specs -


4 standard, up to 8 via additional mini-hubs

Controller cache

Total of 2GB, battery-backed


H: 174.5mm (6.87 in)
W: 444.5mm (18 in)
D: 609.6mm (24 in)

Drive Interface


Fans and power supplies

Dual redundant, hot-swappable

Fibre Channel Drives

IBM 146.8GB 2Gb/sec 15K Fibre Channel Disk Drive
IBM Feature Code: 1812-5233

IBM 73.4GB 2Gb/sec 15K Fibre Channel Disk Drive
IBM Feature Code: 1812-5232

IBM 300GB 2Gb/sec 10K Fibre Channel Disk Drive E-DDM

Host Interface

Fibre Channel (FC) Switched and FC Arbitrated Loop (FC-AL)

Management Software

IBM TotalStorage DS4000 Storage Manager (version 8.34, 8.4, 9.1)

Max. Disk Drives

224 (via 16 DS4000 EXP700)

Rack support

19 inch industry-standard rack

RAID Controller

Dual active RAID controllers

Raid Levels


Storage Partitions

Up to 64

Supported Drives

250GB 7,200 rpm (2Gbps SATA)
36.4GB, 73.4GB and 146.8GB 10,000 rpm (2Gbps FC)
18.2GB, 36.4GB and 73.4GB 15,000 rpm (2Gbps FC)

System Expansion

EXP710 (1740-710)
EXP700 (1740-1RU)


85 lbs. (38.6 kg.)

Reliant Technology made dealing with them a snap. They helped us configure our solution and were able to ship it out the same day. They were fast, courteous and provided us with excellent customer service..    -Steve Zajac [Systems Engineer]

Reliant Technology is our ‘go to’ vendor of choice when we need fast, responsive service and affordable storage solutions. I strongly recommend them..    -Matthew S. Barnes [Sr. Network Administrator]

Our experience with Reliant Technology has been wonderful. They are responsive and attentive to our needs. We will definitely look to them for future storage solutions..    -John Platillero [President/CEO]

  • Overview
  • Support and Warranty

Reliant Technology can help you cost-effectively design and architect your ideal IBM DS4400 SAN storage solution.

Proven Performance
The IBM DS4400 (FAStT700) is a 4U rack-mountable midrange 2 Gbps network storage array that contains dual controllers and up to 2GB of cache memory. The IBM DS4400 can attach up to 16 EXP700 or EXP100 (14 slots) Storage Expansion Units for a total of up to 224 disk drives or 112TB of physical capacity. The IBM DS4400 (FAStT700) supports RAID, 0, 1, 3, 5 and 10 and up to 64 partitions.

Used IBM & Refurbished IBM Options
Refurbished IBM DS4400 and used IBM DS4400 SAN Storage systems and upgrades (including IBM FC drives, SATA drives, and IBM disk expansions) are also available from Reliant Technology to provide IBM storage solutions to fit your budget.

Warranty and Support
Reliant Technology offers a 1 Year Next-Business-Day parts replacement warranty and 9-5 phone support on all refurbished IBM DS4400 (FASTT700) systems & upgrades. All IBM storage systems and upgrades are guaranteed for IBM support. Extended warranties and 24x7x4 onsite hardware support are available. Learn More

Contact Reliant to Get Started Today!
For more information on an IBM DS4400 systems or upgrade, fill out the form on this page or call Reliant Technology toll-free at 877.227.0828 for immediate assistance.

Support and Warranty

One-Year Warranty from Reliant Technology

Next-Business-Day Parts Replacement

Reliant Technology verifies equipment through our rigorous 8-step testing and certification process known as the “Reliant Rock-Solid Certification.” In addition to our certification program, each piece of equipment purchased through Reliant Technology comes with a one-year, next-business-day warranty.

If you require technical assistance in replacing a component, 9x5 phone support is available (Monday - Friday, excluding major holidays) from one of our storage experts.

Third-Party Maintenance and Support

Reliant Technology offers comprehensive maintenance coverage from our vast service network of internal and field engineers. Maintenance agreements can be customized to co-terminate at prices 30-70% of the OEM.

Our team works directly with you to understand your exact project requirements and design the right solutions for your organization’s challenges. And, with 5 levels of support available, ranging from 24x7x365 with 4-hour on-site response to next-business-day parts replacement, you have the flexibility to choose the right maintenance terms for your needs.

For more information about our product warranty or maintenance options, contact us by chat, email, or phone.