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Used Refurbished IBM EXP3524 1746-E4A (1746A4E) DS3500 Storage Expansion Unit

Essential Technologies is your essential source for new, used, refurbished, and recertified IBM DS3500 Series 1746-E4A EXP3524 storage hardware. Whether it's a complete system, upgrades, drives, processors, components, or parts, you can count on Essential to provide quality equipment that meets your IT objectives - and exceeds your expectations - every time.

All products are 100% original, tested, and guaranteed for your IBM on-site, or 3rd party maintenance agreements. Whether you have a specific system in mind, or if you need alternatives, we have the solution that's right for you.

We will also buy back your new or pre-owned IT equipment.

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Refurbished IBM 1746-E4A DS3500 EXP3524 Disk Expansion Unit

  • Provides drive expansion for DS3512 and DS3524 systems
  • Includes 24 2.5" SAS drive bays and one environmental services module (ESM)
  • Feature #3680 (p/n 69Y0245) is used to upgrade a single ESM system to a dual ESM system
  • 6GB SAS Drive Options - 146GB, 300GB, 500GB, 600GB
  • Equivalent IBM Machine Type / Part Number: 1746A4E
  • Our refurbished 1746-E4A EXP3524 systems are tested, configured, and guaranteed for IBM maintenance

Drive Options

49Y1841 146GB 15K 6GB/s SAS Hot-Swap HDD
49Y1836 300GB 10K 6GB/s SAS Hot-Swap HDD
49Y1952 300GB 10K 6GB/s SAS SED Hot-Swap HDD
49Y1851 500GB 7.2K 6GB/s SAS Hot-Swap HDD
49Y2048 600GB 10K 6GB/s SAS Hot-Swap HDD
81Y9875 1TB 7.2K NL-SAS Hot-Swap HDD