874632-001 HPE ProLiant XL450 CPU Heatsink

874632-001 HPE ProLiant XL450 CPU Heatsink

The 874632-001 HPE ProLiant XL450 CPU Heatsink is an essential thermal solution designed for high-performance computing environments. Specifically engineered for the HPE ProLiant XL450 Gen10 rear CPU #2, this heatsink ensures reliable heat dissipation for CPUs operating with thermal design power (TDP) of up to 150W, maintaining system stability even under heavy workloads.

Main Specifications and Features

• Brand: HPE 
• Part Number: 874632-001
• Compatibility: Rear CPU 
• HPE ProLiant XL450 Gen10 systems
• Thermal Capacity: Supports processors up to 150w
• Related Part Numbers: 880997-001 and associated replacements
• Use Case: Ideal for maintaining consistent thermal efficiency in data centers

Benefits of Using 874632-001 HPE CPU Heatsink

• Maximized processor reliability through stable thermal control
• Improved system uptime and minimized risk of CPU throttling
• Engineered for dense server deployments and scalable clusters
• Compatible with HPE thermal management solutions

Applications in Enterprise Environments

• High-performance computing (HPC) clusters
• Virtualization and containerized applications
• Database processing and real-time analytics
• Large-scale web hosting and SaaS solutions
• HPE ProLiant XL450 Gen10 servers – Rear CPU #2 position
• Configurations requiring 150W TDP support for high-end processors
• Optimized chassis airflow systems with multiple CPU nodes

Key Performance Attributes

• Thermal Efficiency: Efficient fin design promotes even heat distribution
• Durability: High-quality materials withstand continuous 24/7 operation
• Serviceability: Easy to install, replace, and maintain
• Performance Assurance: Maintains CPU temperatures within optimal range

Best Practices for Installation

• Ensure proper application of thermal paste for maximum heat transfer
• Follow HPE’s installation guidelines to maintain warranty compliance
• Regularly inspect and clean heatsink fins to prevent dust accumulation
• Monitor CPU temperature using HPE iLO for proactive maintenance

Key Attributes

• Supports CPU up to 150W TDP
• Precision-engineered for XL450 Gen10 rear CPU#2
• Durable and enterprise-grade construction
• Helps maintain peak server performance

874632-001 HPE ProLiant XL450 CPU Heatsink

The 874632-001 is a server-grade rear CPU heatsink designed by HPE for use in the ProLiant XL450 family (Gen10/XL450 CLX configurations). Built to meet data-center thermal challenges, this HPE part number appears across refurbished and new supply channels as the recommended replacement for the XL450’s rear CPU position. When your XL450 shows thermal warnings, elevated CPU temperatures under load, or a failed existing cooler, replacing the part with an exact-match heatsink such as the 874632-001 restores factory airflow dynamics and thermal transfer characteristics.

The 874632-001 Matters for ProLiant XL450 Systems

Purpose-built thermal control for high-density servers

High-density rack servers like the HPE ProLiant XL450 place multiple processors and memory channels in a compact chassis. The rear (or secondary) CPU heatsink is engineered to extract heat effectively from its assigned socket while harmonizing with front-to-rear airflow patterns. Using the OEM-specified 874632-001 helps maintain balanced airflow, minimizes hotspots, and reduces fan speed escalation that would otherwise increase acoustic noise and power draw.

Key Features & Design Highlights

Form factor and retention

The 874632-001 is built to the physical envelope and retention pattern used in the XL450 Gen10 platform. It aligns with the CPU socket and adjacent components, ensuring secure fastening and correct standoff height. This preserves motherboard clearance, allows proper ducting in the chassis, and avoids contact with neighbor components such as VRMs and DIMMs.

Thermal handling and materials

HPE’s server heatsinks typically combine a machined or stamped aluminum fin stack with a solid baseplate for direct heat conduction from the CPU lid. Several listings for the 874632-001 reference a thermal rating compatible with typical Gen10 CPU TDP ranges. In retail catalogs and server parts listings the part is described as a rear CPU heatsink for XL450 Gen10, indicating its design is matched to common Gen10 CPU power envelopes.

Mechanical notes

Product listings for Gen10 rear heatsinks in this family show practical weights near a few hundred grams—one reseller lists an XL450 Gen10 rear heatsink weight around 270 g—evidence of a compact but robust assembly sized for rack servers. Knowing the approximate mass helps technicians when swapping parts to avoid excessive force on retention points and to follow anti-static handling procedures.

Compatibility & Cross-Reference

The 874632-001 is cross-referenced primarily to the HPE ProLiant XL450 Gen10 and related CLX variants seen in HPE’s product support and reseller catalogs. When sourcing this part, confirm the target server’s generation and board layout—Gen10 mechanicals differ from Gen9 and Gen11—so verify the chassis revision and which CPU socket (front or rear) you intend to replace. For platform confirmation and service documentation, consult HPE’s official ProLiant XL450 support pages.

OEM part vs. compatible aftermarket parts

OEM 874632-001 heatsinks are the safest route for compatibility because they match the exact retention geometry and airflow ducting the platform expects. Aftermarket or generic server heatsinks may provide adequate cooling in some cases but can introduce subtle differences—like variances in base contact flatness or fin density—that change how the server’s thermal management firmware interprets sensor data. Many and parts distributors list the original HPE part number for easy cross-referencing.

Maintenance Best Practices

Regular cleaning and inspection

Dust buildup reduces heat transfer and disrupts airflow. On a recommended cadence—dependent on your environment—blow out dust from fin stacks and chassis ducts, inspect the heatsink retention for corrosion or bent fins, and verify fan assembly health. Replacement of heatsinks is often necessary only when physical damage or severe thermal degradation occurs. Using the correct replacement part number ensures long-term reliability.

Performance Considerations

How heatsink choice affects CPU performance

The heatsink’s capacity to remove heat influences CPU thermal throttling behavior. A correctly matched heatsink such as the 874632-001 helps maintain lower CPU die temperatures under sustained load, allowing the server to remain within thermal design power (TDP) tolerances and sustain higher clock rates without hitting thermal limits. Using the correct OEM part is particularly important in multi-socket configurations where local hotspots can cascade across the chassis.

Fan speed and acoustic trade-offs

With the proper heatsink installed, the platform’s fans can run at lower duty cycles for the same workload compared to a degraded or undersized cooler. That translates into lower power consumed by fans and reduced rack noise — a meaningful operational benefit for on-site engineers and for rooms with high server density.

Typical thermal ratings for Gen10 rear heatsinks

Some Gen10 rear heatsink listings in parts catalogs mention values that align with industry-standard TDP ranges for processors deployed in XL-class servers. For example, resellers' technical descriptions of rear heatsinks for this platform sometimes indicate compatibility with CPU heat loads commonly used in Gen10 deployments, helping administrators estimate cooling headroom when planning upgrades. When planning for higher-TDP CPU upgrades, verify the server vendor’s thermal allowance and whether an upgraded cooling kit is required.

Sourcing the 874632-001 New vs Markets

The 874632-001 appears across multiple channels: authorized HPE parts distributors, refurbished server parts resellers, and online marketplaces. Listings on marketplace and reseller sites confirm the part number and describe the item as a rear heatsink for XL450 Gen10. Evaluate vendor reputation, warranty, and return policy when purchasing often offer tested parts with short warranties while OEM new parts come with vendor-level coverage.

Authenticity checks

To reduce risk, compare vendor photos to known OEM references, confirm the HPE part label and part number, and when possible purchase from vendors who provide origin documentation or guarantees against DOA (dead on arrival). OEM packaging, part markings, and vendor reputation are commonly used validation cues.

Product Page Elements (for merchants)

Title and meta hints

Use a concise product title that includes the part number and platform name: e.g., “874632-001 HPE Rear CPU Heatsink — ProLiant XL450 Gen10.” This helps search engines and buyers identify compatibility immediately. Include secondary keywords such as “XL450 heatsink,” “HPE 874632-001 replacement,” and “rear CPU cooler for XL450” in product subheadings and bullet lists.

Common Use Cases & Buyer Personas

Data center operations teams

For operators maintaining racks of XL450 servers, 874632-001 is a frequent consumable spare used in swap-and-replace cycles whenever chassis-level maintenance or CPU service is required. Keeping a kit of common OEM heatsinks reduces Mean Time To Repair (MTTR) for servers experiencing thermal alerts.

System integrators and custom deployments

Integrators performing high-density node builds or cluster refreshes choose OEM heatsinks to maintain consistent acoustic and thermal performance across their deployed fleet, especially when balancing airflow with additional expansion modules or specialty cabling.

Technical Documentation & Further Reading

For installation instructions, service bulletins, and platform-specific thermal guidance, consult the HPE ProLiant XL450 product support pages and technical manuals. These documents provide official procedures and warnings that should be followed during service operations.

Reseller and parts listings for cross-checking

To validate pricing, availability, and condition, compare listings across reputable resellers and marketplaces. Several parts sellers and server supply houses list the 874632-001 as “rear heatsink for XL450 Gen10,” often with stock counts and condition notes that help with procurement planning.

Packaging, Storage Recommendations

How to pack heatsinks for transit

Heatsinks are durable but can be damaged by rough handling—bent fins and cracked baseplates diminish thermal performance. Use anti-static wrapping, firm foam padding to prevent fin deformation, and secure the part in a box with void-fill material. For shipping multiple units, individual protective sleeves reduce cross-scratching and protect labels used for inventory. Sellers who specialize in server parts often mark items with the OEM part number and batch/test records to simplify inbound verification for buyers.

Storage tips

Store heatsinks in a clean, dry environment. Avoid stacking units directly to prevent fin damage, and keep parts labeled with purchase or test-date for warranty tracking. For parts with thermal compound pre-applied, use protective film to prevent contamination of the interface surface during storage.

Note on part listings and market availability

Market availability of specific server parts like the 874632-001 varies—authorized distributors, and online marketplaces frequently list both new and refurbished units. Comparing multiple sources will help you balance cost, lead time, and warranty coverage when planning spares for a server estate.

Suggested related and accessories

When stocking spares for HPE ProLiant XL450 servers, consider also sourcing matching fan assemblies, front/rear ducting kits, and replacement fasteners or retention clips specific to the XL450 chassis. Having a small inventory of TIM and torque-controlled drivers improves service consistency and reduces the chance of rework after a heatsink swap.