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Name:
J9805A
- Description:
- Aruba 640 Redundant/External PS Shelf
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3 Year Extended Warranty
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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
J9805A Overview
J9805A is a high-performance network switch designed with a robust architecture that supports advanced stacking capabilities, ensuring smooth scalability and reliable performance. It offers multiple power options, including an AC power supply configuration, and a comprehensive port setup that facilitates both data connectivity and network management in demanding enterprise environments.
J9805A integrates high-density Ethernet ports with built-in POE support, enabling versatile use cases ranging from small to medium-sized network deployments to large-scale data centers. Its design emphasizes secure stacking and rapid data throughput, making it suitable for mission-critical applications that require dependable, scalable, and efficient connectivity.
What is the price of J9805A?
Pricing for J9805A is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for J9805A.
Explore more options from Switches or explore other Hpe products.
J9805A Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 24 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | J9805A |
| Uplink Configuration | 1G |
| IOS | LAN Base |
| POE Support | POE |
| SFP Ports | 4 SFP Ports |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | N/A |
| Flash Memory | 64 MB |
| Switching Capacity | 128 Gbps |
| Switching Capacity With Stacking | 256 Gbps |
| Product Name | J9805A Gigabit Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 12 inches |
| Weight | 15 lbs |
J9805A Use Case
High-Availability Campus Core Deployment with J9805A-Aruba 640 Redundant Power Shelf
In a global financial institution’s data center, network architects integrate the J9805A-Aruba 640 Redundant/External PS Shelf with Aruba 6400 core switches to achieve 1+1 power redundancy. This configuration maintains uninterrupted connectivity for trading applications and real-time analytics, eliminating single points of failure and delivering 99.999% uptime SLAs.
Retail Chain Edge Consolidation Using J9805A-Aruba 640 External Power Shelf
A 500-store retail retailer deploys Aruba 6400 aggregation switches at each location and centralizes power modules via the J9805A-Redundant PS Shelf. This approach simplifies field service, reduces on-site hardware spares by 40%, and ensures continuous operation of POS terminals, Wi-Fi customer access and IoT sensors during utility fluctuations.
Healthcare Network Resilience with J9805A-Aruba 640 Redundant Power Shelf
In a multi-facility hospital network, IT teams install Aruba 6400 distribution switches backed by the J9805A external power shelf to support critical EHR systems and VoIP nurse call services. This redundant power design guarantees seamless failover during maintenance or grid outages, securing patient data access and clinical communication without disruption.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 11 inches | N/A | 10 inches | 20 inches | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | N/A | 1.75 inches | 1.75 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Services | IP Services | IP Services | IP Services | LAN Base |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | J9729A | J9726A | J9727A | J9732A | J9805A |
| Media Type Supported | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Combo | Combo | Twisted Pair |
| Memory | 512 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | POE+ | POE+ | POE |
| Port/Expansion Slot Details | 2 expansion slots for additional modules | N/A | N/A | N/A | N/A |
| Power Consumption | 150 W | N/A | 250 W | N/A | N/A |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | J9729A Enterprise Modular Switch | J9726A Network Switch | J9727A 24-Port Stackable Managed Gigabit Switch | J9732A High Performance Network Switch | J9805A Gigabit Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 320 Gbps | N/A | 128 Gbps | 320 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 640 Gbps | N/A | 256 Gbps | 640 Gbps | 256 Gbps |
| Uplink Configuration | 1G / 10G | 1G / 10G / 40G | 10G | 10G | 1G |
| Weight | 15 lbs | N/A | 10 lbs | 15 lbs | 15 lbs |
| Width | 17.5 inches | N/A | 17 inches | 17.5 inches | 17.5 inches |
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Questions & Answers
Q
What is the Aruba 640 Redundant/External PS Shelf (SKU J9805A)?
A
The Aruba 640 Redundant/External Power Shelf (J9805A) is a 19″ rack-mountable chassis that houses up to four hot-swappable power supplies, delivering redundant power protection for Aruba 6400 series switches.
Q
Which Aruba switches are compatible with the J9805A power shelf?
A
The J9805A is fully compatible with all Aruba 6400 series switches, including 6405, 6410, and 6420 models, providing seamless power integration and redundancy.
Q
How many power modules can the Aruba 640 shelf support?
A
The Aruba 640 power shelf accepts up to four HPE PS-KA1 or PS-EA1 power modules, enabling N+1 power redundancy or full load balancing across modules.
Q
What are the dimensions and rack-mount requirements?
A
The J9805A measures 2U height, 438 mm depth and 445 mm width, requiring a standard 19″ rack and 2U of rack space for installation.
Q
How does the redundant power design work?
A
The redundant design ensures continuous operation by using N+1 power modules: if one PSU fails, the remaining modules immediately take over without disruption.
Q
What voltage and input range does the J9805A support?
A
The J9805A supports a universal AC input range of 100–240 VAC at 47–63 Hz, accommodating global power standards without manual reboot or reconfiguration.
Q
What safety and compliance certifications does it carry?
A
The Aruba 640 power shelf is UL, CE, RCM and CCC certified, meeting global safety, EMI/EMC and environmental compliance standards.
Q
What operating temperature and humidity ranges are supported?
A
The shelf operates between 0°C and 45°C at up to 90% non-condensing relative humidity, ensuring reliable performance in standard data-center environments.
Q
How do I install the Aruba 640 power shelf?
A
Mount the shelf in a 19″ rack, slide in power modules, connect AC power cords to each module, and link the shelf’s power bus to the Aruba 6400 switch per the Quick Install Guide.
Q
What diagnostic and management features are available?
A
The J9805A provides front-panel LEDs for power-good, fan-fail and module status, plus remote SNMP monitoring via the attached Aruba 6400 switch.
Q
What is included in the J9805A package?
A
Each J9805A shipment includes the 2U chassis, mounting brackets, power bus cables, rack screws and a quick-start installation guide.
Q
Is there a warranty for Aruba 640 redundant power shelves?
A
Yes, HPE offers a limited lifetime warranty on the J9805A chassis and a one-year warranty on individual power modules, backed by worldwide support.
Q
How do I purchase spare power modules for the shelf?
A
Spare PS-KA1 or PS-EA1 modules can be ordered through Aruba/HPE resellers or the HPE Parts Locator using the corresponding spare part numbers.
Q
Can I mix PS-KA1 and PS-EA1 modules in the same shelf?
A
Yes, you can mix PS-KA1 (460 W) and PS-EA1 (875 W) modules to match power requirements and optimize redundancy without compatibility issues.
Q
What is the average lead time for J9805A orders?
A
Lead times vary by region and distributor but typically range from 2–4 weeks; contact your Aruba reseller for exact availability and expedited options.
Q
How does the Aruba 640 power shelf improve network uptime?
A
By providing redundant and hot-swappable power modules, the J9805A eliminates single points of failure and ensures continuous switch operation during maintenance or PSU replacement.
