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Dell DU494 PERC 5/E DC SAS 256MB RAID Controller

Dell DU494 PERC 5/E DC SAS 256MB RAID Controller
Dell DU494 PERC 5/E DC SAS 256MB RAID Controller
The Dell PERC 5/E DC SAS 256MB RAID Controller (model DU494) delivers enterprise class data protection and high performance for servers that require reliable storage management. Designed for direct current operation, this controller supports up to ei... Read More
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Direct ship item. 2-3 week lead time.

  • In Stock: 2
  • Manufacturer: Dell
  • Model or Part: DU494
  • Condition: Refurbished
  • Weight: 3.00lb
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New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview

The Dell PERC 5/E DC SAS 256MB RAID Controller (model DU494) delivers enterprise class data protection and high performance for servers that require reliable storage management. Designed for direct current operation, this controller supports up to eight internal SAS drives and provides a robust hardware based solution for mission critical applications.

Key Features

  • 256 MB DDR2 cache with battery backup ensures data integrity during power loss
  • Supports RAID levels 0, 1, 5, 10 and JBOD for flexible storage configurations
  • Up to eight SAS or SATA drives can be attached via a single 80 pin connector
  • Integrated hardware based parity calculation offloads the host CPU
  • Hot plug capable - replace drives without shutting down the system
  • Management through Dell OpenManage Server Administrator and command line utilities

Technical Specifications

  • Model/Part Number: DU494
  • Interface: PCI Express 1.0 x8 (compatible with PCIe 2.0 slots)
  • Cache Memory: 256 MB DDR2 ECC
  • Battery Backup Unit: Included, supports up to 72 hours of write cache retention
  • Supported Drive Types: SAS 3.0 Gb/s and SATA 3.0 Gb/s
  • Maximum Supported Drives: 8 (internal) plus optional external expansion via Dell RAID enclosure
  • Operating Temperature: 0 deg to 55 deg C (32 deg to 131 deg F)
  • Power Consumption: Approx 15 W typical, 20 W peak
  • Form Factor: Low profile PCIe card

Applications

This controller is ideal for a wide range of server environments where data reliability and performance are paramount. Typical use cases include:

  • Database servers that require fast, consistent I/O throughput
  • Virtualization hosts running multiple virtual machines with demanding storage needs
  • File and backup servers that need RAID protection against drive failures
  • Enterprise applications such as ERP, CRM and analytics platforms
  • High availability clusters where continuous operation is essential

By integrating the Dell PERC 5/E DC SAS 256MB RAID Controller into your server infrastructure, you gain a proven solution that safeguards data, reduces latency, and simplifies storage management.