733660-B21 - Mounting Kits for HPE Server
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733660-B21 Overview
HPE 2U Small Form Factor Easy Install Rail Kit S-ERVER 733660-B21
Overview
733660-B21 Overview
HPE 733660-B21, 450 g
HPE 2U Small Form Factor Easy Install Rail Kit
Quick Spec
| Category of Accessory | Racks and rack hardware |
| Width | 3.4 in |
| Depth | 35 in |
| Height | 5.5 in |
| Weight | 15.87 oz |
| Compatibility | PC |
| Manufacturer | HP CTO Server Avnet |
| Packaged Quantity | 1 |
| Product Line | HPE |
| Model | Small Form Factor Easy Install Rail Kit |
| Brand | HPE |
| Product Type | Rack rail kit |
| Height (Rack Units) | 2 |
Summary Description
HPE 733660-B21, 450 g
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Specification
733660-B21 Specification
733660-B21 Specification | |
| General | |
| Category of Accessory | Racks and rack hardware |
| Dimensions & Weight | |
| Width | 3.4 in |
| Depth | 35 in |
| Height | 5.5 in |
| Weight | 15.87 oz |
| Header | |
| Compatibility | PC |
| Manufacturer | HP CTO Server Avnet |
| Packaged Quantity | 1 |
| Product Line | HPE |
| Model | Small Form Factor Easy Install Rail Kit |
| Brand | HPE |
| Miscellaneous | |
| Product Type | Rack rail kit |
| Height (Rack Units) | 2 |
Frequently Asked Questions
Which specific HPE server chassis are compatible with the 733660-B21 rail kit? +
The 733660-B21 is designed specifically for HPE 2U Small Form Factor (SFF) servers. It provides a seamless, tool-less mounting solution for HPE ProLiant Gen8, Gen9, and Gen10 2U rack-mount models, ensuring structural integrity and precise alignment when sliding the server into your rack environment.
Does the 733660-B21 Easy Install Rail Kit require tools for server rack mounting? +
No, this kit is engineered for an 'Easy Install' deployment. It features a quick-release, snap-in mechanism that allows you to mount the rail assembly into standard square-hole racks without the need for manual screwdrivers or specialized mounting hardware, significantly reducing your installation downtime.
Can I use the 733660-B21 rails for a 1U server installation? +
These rails are specifically optimized for the depth and chassis weight distribution of HPE 2U form factor servers. They are not intended for 1U servers, as the physical dimensions and locking mechanisms will not align correctly with 1U chassis mounting points. For 1U equipment, please select the dedicated 1U rail kit variant.
How does the tool-less design of the 733660-B21 improve data center maintenance? +
The tool-less design drastically accelerates the physical deployment and maintenance of your HPE 2U servers. By eliminating the need for hardware tools, technicians can safely slide the server out for component upgrades or troubleshooting, then retract it back into the rack rack securely with minimal effort and high reliability.
Is the 733660-B21 rail kit compatible with round-hole or threaded racks? +
While the kit is primarily designed for industry-standard square-hole racks, many HPE rail solutions include universal compatibility adapters. We recommend verifying your specific rack cabinet type; however, this kit is the standard choice for most modern four-post rack environments utilizing the HPE 2U chassis profile.
What is the primary benefit of using the HPE genuine 733660-B21 over third-party mounting rails? +
Choosing the genuine HPE 733660-B21 ensures perfect mechanical compatibility and load-bearing performance. Third-party rails often lack the precise tolerances required for HPE’s proprietary cable management arms and chassis locking points, potentially compromising the physical safety of your high-value server hardware and preventing proper airflow within the rack.
What is included in the 733660-B21 package? +
The package includes the complete left and right rail assemblies, along with the necessary quick-release latches and mounting hardware tailored for HPE 2U enclosures. Everything provided in the kit is designed to work as a unified system, ensuring a stable, horizontal slide path for your server hardware.
How do I ensure the 733660-B21 kit supports my current server depth? +
The 733660-B21 is an adjustable rail system designed to accommodate the standard depth ranges of HPE 2U ProLiant rack servers. During installation, you can adjust the rail length to match your specific rack cabinet depth, ensuring the server stays level and secure during routine server maintenance or data center relocation tasks.
How can I obtain a bulk quote for the 733660-B21 rail kit for my infrastructure refresh project? +
If you are planning a large-scale data center upgrade, our sales team at BuyRouterSwitch.com is ready to assist. Please contact us directly via our website’s quote request form or through our live chat to receive competitive bulk pricing, volume discounts, and lead time estimates tailored to your project requirements.
Why should I purchase my HPE server accessories from BuyRouterSwitch.com? +
BuyRouterSwitch.com is your trusted partner for authentic HPE networking and server infrastructure. We focus on providing genuine components with transparent, professional service. By sourcing through us, you receive reliable hardware and direct support from a team that understands the critical nature of your enterprise IT deployments.

















