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Cable management arm reduced rack clutter and made maintenance far easier.
720865-B21
2U CABLE MANAGEMENT ARM GEN8 KIT PL=SI
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720865-B21
2U CABLE MANAGEMENT ARM GEN8 KIT PL=SI
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720865-B21 is an enclosed cabinet rack designed for robust use in environments such as data centers, network closets, and telecom installations. This rack features a 42U height configuration, a standard 19-inch mounting width with a depth rated between 600–800mm, and a weight capacity of 501–1000 lbs. It includes a vented door for optimal airflow, horizontal cable management to keep wiring organized, and passive ventilation to support effective cooling.
720865-B21 is engineered with practicality in mind, offering optional casters and included leveling feet to facilitate safe mobility and stability. The unit is further secured by a front door lock and removable side panels, making it perfect for sensitive AV equipment and server hosting while meeting standard mounting requirements in professional settings.
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When IT administrators perform hot-swap maintenance on HP ProLiant Gen8 2U servers, the 720865-B21-2U Cable Management Arm PL=SI keeps network and power cables organized and secured outside the rack. This reduces mean time to repair (MTTR) by up to 30%, prevents accidental cable disconnections, and ensures continuous application uptime.
In high-density virtualization environments, uncontrolled cable bundles can block airflow and drive up cooling costs. Installing the 720865-B21-2U Cable Management Arm on each 2U Gen8 chassis maintains neat cable paths, improves rack airflow by 25%, and helps data centers meet ASHRAE thermal guidelines for energy efficiency.
Global enterprises deploying HP Gen8 servers across multiple sites need consistent rack standards to simplify audits and compliance. The 720865-B21-2U Cable Management Arm PL=SI delivers a uniform cable routing solution that accelerates rack build-outs by 40%, enforces best-practice documentation, and reduces on-site installation errors.
To get the detailed certification, please go to the Compliance Center.
 720865-B21 |  BW907A |  BW903A |  Q7G16A |  P9K50A | |
|---|---|---|---|---|---|
| Product Type | Rack | Rack | Rack | Rack | Rack |
| Rack Type | Enclosed Cabinet | Enclosed Cabinet | Enclosed Cabinet | Enclosed Cabinet | Enclosed Cabinet |
| Mounting Type | Floor Standing | Floor Standing | Floor Standing | Floor Standing | Floor Standing |
| Rack Height (U) | 42U | 42U | 42U | 42U | 42U |
| Use Case | Data Center / Networking Closet / Telecom | Data Center / Networking Closet / AV Rack / Telecom | Data Center / Networking Closet / Telecom / AV Rack | Data Center | Data Center / Networking Closet / AV Rack / Telecom |
| Rack Width | 19-inch | 19-inch | 19-inch | 19-inch | 19-inch |
| Rack Depth | 600–800mm | 800–1000mm | 800–1000mm | 600–800mm | 600–800mm |
| Weight Capacity | 501–1000 lbs | 501–1000 lbs | 501–1000 lbs | 1001–2000 lbs | 501–1000 lbs |
| Material | Cold-Rolled Steel | Cold-Rolled Steel | Cold-Rolled Steel | Cold-Rolled Steel | Cold-Rolled Steel |
| Door Type | Vented Door | Vented Door | Vented Door | Vented Door | Solid Door |
| Side Panels | Removable | Removable | Removable | Removable | Removable |
| Cable Management | Horizontal | Tool-less | Included | Tool-less | Horizontal |
| Cooling Support | Passive Ventilation | Passive Ventilation | Passive Ventilation | Passive Ventilation | Passive Ventilation |
| Locking Mechanism | Front Door Lock | Front Door Lock | Front Door Lock | Front Door Lock | Front Door Lock |
| Casters | Optional | No | No | No | No |
| Leveling Feet | Included | Included | Included | Included | Included |
| Rails Included | Yes | Yes | Yes | Yes | Yes |
| Expansion Ready | Yes | Yes | Yes | Yes | Yes |
| Grounding Kit Included | Yes | Yes | Yes | Yes | Yes |
| Color | Black | Black | Black | Black | Black |
| Compliance | RoHS | EIA-310-D / RoHS / UL Listed / CE | EIA-310-D / RoHS / UL Listed / CE | UL Listed | EIA-310-D / RoHS / UL Listed / CE |
| Product Name | 720865-B21 Enclosed Data Rack Cabinet | BW907A Enclosed Data Rack | BW903A Enclosed Server Rack | Q7G16A Enclosed Network Rack | P9K50A Enclosed Server Rack |
| Height | 73.5 inches | 73.5 inches | 75 inches | 76 inches | 78 inches |
| Width | 24 inches | 19 inches | 24 inches | 24 inches | 24 inches |
| Depth | 30 inches | 39 inches | 36 inches | 30 inches | 28 inches |
| Weight | 750 lbs | 250 lbs | 250 lbs | 400 lbs | 120 lbs |
Cable management arm reduced rack clutter and made maintenance far easier.
Smooth movement and solid build quality.
Fit perfectly on Gen8 servers.
Improved airflow and cable organization.
Reliable accessory for busy racks.
The HP 720865-B21 2U Cable Management Arm Gen8 Kit is an accessory designed to organize and secure cables on HP ProLiant Gen8 2U rack servers, ensuring streamlined maintenance and improved airflow.
The 720865-B21 is fully compatible with HP ProLiant Gen8 2U rack servers, including DL380, DL360, and related G8 series models.
Key features include a robust steel construction, tool-less installation, integrated cable-routing channels, pivoting arm design, and compatibility with standard 2U rack rails.
By securing and routing cables away from hot swap drive bays, the arm enables quick server slide-out without disconnecting cables, reducing downtime and maintenance effort.