HPE ProLiant DL3X0 Gen11 1U Standard Heat Sink Kit

The HPE P48904-B21 is a standard heat sink kit built for the ProLiant DL3X0 Gen11 server line. Created to sit comfortably inside a 1U chassis, it attaches to the processor area without blocking nearby memory slots or cabling, so airflow stays smooth and unimpeded.

During demanding tasks such as virtual machine hosting, analytics processing, or high-volume web services, this kit pulls heat away from the CPU and channels it toward the system fans. By keeping core temperatures steady, it helps the server avoid thermal throttling and unexpected reboots, which means your workloads keep moving and users stay productive.

The unit measures 22.2 by 25.2 by 6.5 cm and weighs just 0.43 kg. That combination offers enough thermal mass to absorb spikes in heat while adding almost no strain to rack rails or slide-out trays. Its durable materials handle round-the-clock operation in busy data centers as well as smaller edge locations where cooling resources can be limited.

Installation is straightforward. The heat sink lines up with the factory mounting points, so an administrator can swap it in during a brief maintenance window and have the server back online quickly. Once installed, it runs silently in the background, giving IT staff one less thing to worry about as workloads grow.

• Designed for HPE ProLiant DL3X0 Gen11 servers
• Low-profile kit that fits 1U rack configurations
• Removes heat from the processor during sustained workloads
• Dimensions: 22.2 cm x 25.2 cm x 6.5 cm
• Weight: 0.43 kg (0.937 lb)
• Durable build for long-term use in server environments