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Upgrading Dell PERC RAID Controllers: Installing the H755 in PowerEdge 15G Servers

  • Writer: server-parts.eu server-parts.eu
    server-parts.eu server-parts.eu
  • 3 days ago
  • 2 min read

Upgrading your Dell PowerEdge 15G server with the PERC H755 RAID controller is a smart way to improve storage performance and support more demanding workloads.


Dell PowerEdge Server PERC RAID Controllers: Save Up to 80%

✔️ No Upfront Payment Required - Test First, Pay Later!


This article covers key features of the H755 and explains how to install it safely and correctly.


Dell PERC H755 RAID controller installation in a PowerEdge 15G server with PCIe Gen 4.0 slot, showing proper cable connections and supported SAS and SATA drive setup for enterprise storage upgrade. Server-parts.eu. Refurbished


Why Upgrade Dell PowerEdge Servers to the Dell PERC H755 RAID Controller?


The Dell PERC H755 is part of the 11th generation of PowerEdge RAID Controllers. It brings several improvements over older models:


  • Faster Speeds: Uses PCIe Gen 4.0 for quicker data transfer

  • Drive Compatibility: Works with 12Gbps SAS, 6Gbps SATA, and NVMe drives

  • RAID Options: Supports RAID 0, 1, 5, 6, 10, 50, and 60

  • Cache Memory: Comes with 8GB DDR4 2666 MT/s cache

  • Storage Support: Can manage up to 240 virtual disks


This makes it a good choice for tasks like virtualization, file servers, and data-heavy business apps.



Supported PowerEdge 15G Servers: Dell PERC H755 RAID Controllers


The Dell PERC PERC H755 RAID Controllers work with several PowerEdge 15th Gen servers, including:


  • PowerEdge R650

  • PowerEdge R750

  • PowerEdge R750xs

  • PowerEdge T550


Make sure your server is on the support list and that your firmware is up to date before starting the upgrade.



How to Install the Dell PERC PERC H755 Controller in Dell PowerEdge Servers


Follow these steps to install the H755 safely:


  1. Turn off the server and unplug it completely

  2. Open the chassis and find the PCIe Gen 4.0 slot

  3. Insert the H755 carefully into the slot

  4. Connect the cables for your drives (SAS, SATA, or NVMe)

  5. Secure the card using screws or latches

  6. Close the chassis and reconnect power and devices

  7. Start the server and enter the RAID setup during boot

  8. Create your RAID setup based on your needs



Tips for a Safe and Smooth Upgrade: Dell PERC H755 RAID Controllers


  • Backup your data before making any hardware changes

  • Wear ESD protection to prevent damage from static electricity

  • Double-check firmware to avoid compatibility issues

  • Use Dell parts (new or refurbished) for full support and stability



Dell PowerEdge Server PERC RAID Controllers: Save Up to 80%

✔️ No Upfront Payment Required - Test First, Pay Later!

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