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Drive cage expanded storage without downtime.
784586-B21
HPE ML110 Gen9 8SFF Hot Plug Drv Cge Kit
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784586-B21
HPE ML110 Gen9 8SFF Hot Plug Drv Cge Kit
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784586-B21 is an enclosed cabinet rack designed for secure and efficient equipment housing. This rack offers a tall 42U configuration with a standard 19-inch mounting width and a depth categorized as 800–1000mm, making it ideal for network closets and data centers. It features a vented door design that facilitates optimal airflow and cooling support, combined with integrated cable management to keep wiring organized.
784586-B21 is engineered with robust features including casters with leveling feet for easy mobility and installation, along with a reliable front door locking mechanism for enhanced security. Its solid construction in cold-rolled steel and fixed side panels ensure durability and stability, marking it as a preferred choice for telecom racks, AV equipment, and server hosting environments.
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In enterprise data centers, IT teams install the 784586-B21-HPE ML110 Gen9 8SFF Hot Plug Drive Cage Kit to add eight hot-swappable SSD/HDD bays on-the-fly, enabling non-disruptive capacity expansion and optimized RAID configurations for high-density workloads, resulting in 99.99% uptime and streamlined growth planning.
Virtualization engineers leverage the 784586-B21-HPE ML110 Gen9 8SFF Hot Plug Drive Cage Kit to perform in-service drive replacements and upgrades without rebooting, ensuring continuous VM performance under heavy I/O loads, reducing planned maintenance windows, and boosting overall infrastructure resilience.
Backup administrators integrate the 784586-B21-HPE ML110 Gen9 8SFF Hot Plug Drive Cage Kit to provision dedicated hot-swap trays for nightly snapshots and offsite replication, accelerating full-system restores by up to 40%, ensuring enterprise-grade data protection, compliance and rapid RTO achievement.
To get the detailed certification, please go to the Compliance Center.
 784586-B21 |  H6F54A |  775167R-B21 |  P9K48A |  878576-B21 | |
|---|---|---|---|---|---|
| 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 | 48U | 42U |
| Use Case | Data Center / Networking Closet / AV Rack / Telecom | Data Center / Networking Closet / Telecom | Data Center / Networking Closet / Telecom / AV Rack | Data Center / Networking Closet / AV Rack / Telecom | Data Center / Networking Closet / AV Rack / Telecom |
| Rack Width | 19-inch | 19-inch | 19-inch | 19-inch | 19-inch |
| Rack Depth | 800–1000mm | 600–800mm | 600–800mm | 1000mm+ | 800–1000mm |
| Weight Capacity | 501–1000 lbs | 501–1000 lbs | 2000+ lbs | 2000+ lbs | 501–1000 lbs |
| Material | Cold-Rolled Steel | Steel | Cold-Rolled Steel | Cold-Rolled Steel | Cold-Rolled Steel |
| Door Type | Vented Door | Vented Door | Vented Door | Vented Door | Vented Door |
| Side Panels | Fixed | Tool-less | Removable | Removable | Fixed |
| Cable Management | Included | Included | Tool-less | Included | Included |
| 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 | Included | Included | No | No | Included |
| 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 / UL Listed / CE | UL Listed | UL Listed | UL Listed | UL Listed |
| Product Name | 784586-B21 Enclosed Cabinet Rack | H6F54A Enterprise Enclosed Cabinet | 775167R-B21 Enclosed Cabinet Rack | P9K48A Enclosed Server Cabinet | 878576-B21 Enclosed Server Rack |
| Height | 73 inches | 73.5 inches | 73.5 inches | 84 inches | 87 inches |
| Width | 24 inches | 19 inches | 24 inches | 27 inches | 24 inches |
| Depth | 38 inches | 28 inches | 29 inches | 47 inches | 32 inches |
| Weight | 350 lbs | 850 lbs | 150 lbs | 600 lbs | 450 lbs |
Drive cage expanded storage without downtime.
Hot plug functionality worked perfectly.
OEM cage fit cleanly inside the chassis.
Solid build and easy installation.
Reliable storage expansion kit.
The HPE 784586-B21 is an 8 Small Form Factor hot-plug drive cage kit for ProLiant ML110 Gen9 servers, enabling installation and hot swapping of up to eight 2.5-inch SAS or SATA drives.
This drive cage kit is fully compatible with HPE ProLiant ML110 Gen9 tower servers equipped with the appropriate drive backplane connector.
You can install up to eight 2.5-inch small form factor SAS or SATA hot-plug drives in the 784586-B21 cage.
The kit supports both SAS and SATA 2.5-inch hot-plug drives, including enterprise HDDs and SSDs certified for HPE servers.