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NVMe bay kit enabled fast SSD expansion.
788359-B21
HPE DL580 Gen9 NVMe 5 Solid State Drive Express Bay Enableme...
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788359-B21
HPE DL580 Gen9 NVMe 5 Solid State Drive Express Bay Enableme...
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788359-B21 is an enclosed cabinet rack offering 42U of vertical space with a standard 19-inch mounting system and a weight capacity of 501–1000 lbs. It features a vented door design, integrated cable management, and passive ventilation for efficient airflow and cooling support, while its fixed side panels ensure structural integrity.
The rack is engineered for floor-standing installation with leveling feet (no casters) and a front door locking mechanism. It is ideally suited for network closets, data centers, telecom racks, and AV equipment applications, and comes fully equipped with rails and expansion readiness for diverse equipment setups.
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In a global investment bank running HPE ProLiant DL580 Gen9 servers, the 788359-B21 NVMe 5 Solid State Drive Express Bay Enablement Kit unlocks ultra-low latency and consistent high IOPS for market data feeds and risk calculations. By enabling up to five NVMe drives per bay, trading desks achieve millisecond-level query response and 3× faster risk-scenario computations. Key outcomes: - Sub-millisecond data access for algorithmic trading - 40% reduction in market-data refresh times - Scalable throughput to support peak trading volumes
A Fortune 500 healthcare provider consolidates 1,200 virtual desktops on HPE DL580 Gen9 servers, using the 788359-B21 Express Bay Enablement Kit to host NVMe SSDs for boot storms and application I/O. The result is a seamless user experience with rapid login and application launch during shift changes. Measurable benefits: - 50% faster desktop boot times under peak load - 35% improvement in application responsiveness - 25% lower storage-related CAPEX/OPEX through higher VM density
An online retailer deploys HPE DL580 Gen9 servers equipped with the 788359-B21 NVMe Enablement Kit to power its SAP HANA order-management system. Enabling five NVMe SSDs per bay drives sub-2 ms transaction latency and supports flash-optimized OLTP workloads during promotional peaks. Business impact: - 30% faster checkout transaction times - 20% reduction in cart abandonment rates - 4× higher concurrent transaction capacity
To get the detailed certification, please go to the Compliance Center.
 788359-B21 |  H6J77A |  H6J88A |  BW896A |  BW907A | |
|---|---|---|---|---|---|
| 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 / AV Rack / Telecom | Data Center / Networking Closet / Telecom / AV Rack | Data Center | 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 | 600–800mm | 800–1000mm | 800–1000mm | 800–1000mm | 800–1000mm |
| Weight Capacity | 501–1000 lbs | 2000+ lbs | 501–1000 lbs | 2000+ lbs | 501–1000 lbs |
| Material | Steel | Cold-Rolled 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 | Fixed | Removable | Fixed | Removable |
| Cable Management | Included | Included | Horizontal | Included | Tool-less |
| 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 | No | Optional | Optional | Included | 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 | RoHS / UL Listed / CE | EIA-310-D / RoHS / UL Listed / CE | UL Listed | EIA-310-D / RoHS / UL Listed / CE |
| Product Name | 788359-B21 Enclosed Cabinet Rack | H6J77A Enclosed Server Rack | H6J88A Enclosed Data Rack | BW896A Enclosed Cabinet Rack | BW907A Enclosed Data Rack |
| Height | 76 inches | 84 inches | 73.5 inches | 73.5 inches | 73.5 inches |
| Width | 27 inches | 24 inches | 23 inches | 27 inches | 19 inches |
| Depth | 30 inches | 36 inches | 36 inches | 39 inches | 39 inches |
| Weight | 400 lbs | 350 lbs | 150 lbs | 250 lbs | 250 lbs |
NVMe bay kit enabled fast SSD expansion.
OEM kit aligned perfectly.
Solid construction.
Easy to install.
Worked as designed.
The HPE 788359-B21 is an enablement kit that equips HPE ProLiant DL580 Gen9 servers with five NVMe drive bays for high-performance solid state storage.
The 788359-B21 enablement kit is fully compatible with HPE ProLiant DL580 Gen9 rack servers configured for NVMe storage.
This kit provides five Express Bay slots, enabling installation of up to five NVMe solid state drives for maximum throughput.
Yes, the 788359-B21 NVMe Express Bay Enablement Kit supports hot-swap drives, allowing maintenance without server downtime.