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IBM DS3950

Description -
Guaranteed for IBM Support
Tech Specs -

Cache memory

Model 94H: 2GB
Model 98H: 4GB


Height: 5.13 in. (130.3 mm)
Depth: 17.6 in. (447.0 mm)
Width: 22.2 in. (563.8 mm)

Disk Drive Types


Fibre Channel Drives

IBM 600GB 15K 4Gb/sec Fibre Channel E-DDM
IBM Feature Code: 1812-5417

IBM 450GB 15K 4Gb/sec Fibre Channel E-DDM
IBM Feature Code: 1812-5416

IBM 300GB 15K 4Gb/sec Fibre Channel E-DDM
IBM Feature Code: 1746-5415

Head Unit Drives



Four drive ports - FC Switched and FC-AL standard, Auto-sensing 2Gbps/4Gbps

Max. Disk Drives

112 FC or 112 SATA drives (using 6 EXP395 Expansion Units)

Max. Expansions


Max. Raw Capacity


Raid Levels

RAID 0, 1, 3, 5, 6, 10

SATA Drives

IBM Feature Code: 1812-4618

IBM Feature Code: 1812-4615

Storage Partitions

2, 4, 8, 16, 32, 64 or 128 storage partitions

System Expansion

EXP395 (1814-92H)
EXP810 (1812-81A)


Approximately 54.23lbs (24.6kg)

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 DS3950 SAN Storage solution.

Proven Performance
The IBM DS3950 is a rack-mountable midrange 8 Gbps storage array that can be upgraded to dual controllers and up to 4GB of cache memory. The IBM DS3950 has an internal capacity of 16 disk slots and can attach up to 6 EXP395 (16 slots) and the EXP810 (16 slots) storage expansion units for a total of up to 112 disk drives or 112TB of physical capacity. The IBM DS3950 supports RAID 0, 1, 3, 5, 6 and 10.

Used IBM & Refurbished IBM Options 
Refurbished IBM DS3950 and used IBM DS3950 SAN Storage systems and upgrades (including IBM Fibre Channel 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 DS3950 systems & upgrades. All refurbished 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 a refurbished IBM DS3950 systems or upgrades, 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.