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641146-B21
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- HP BLc Cisco B22HP Fabric Ext Module
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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641146-B21 Overview
641146-B21 is a high-performance switch engineered with a robust architecture ideal for scalable network infrastructures. It features an efficient AC power supply with support for redundant configurations, ensuring continuity in mission-critical environments and versatile stacking capabilities for easy expansion.
Designed for demanding applications, 641146-B21 offers comprehensive port options including 24 Gigabit Ethernet ports and 4 SFP uplink ports, delivering reliable connectivity and exceptional throughput. Its advanced performance and streamlined management make it perfect for data centers, branch offices, and high-density network deployments.
What is the price of 641146-B21?
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Explore more options from Switches or explore other Hpe products.
641146-B21 Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 |
| Form Factor | Rack-mount |
| Power Consumption | 60 W |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 24 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Combo |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | 641146-B21 |
| Uplink Configuration | 10G |
| 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 | 24 Gigabit Ethernet ports, 4 SFP uplink ports |
| Flash Memory | 64 MB |
| Switching Capacity | 128 Gbps |
| Switching Capacity With Stacking | 256 Gbps |
| Product Name | Enterprise 24-Port Stackable Gigabit Switch |
| Height | 1.75 inches |
| Width | 19 inches |
| Depth | 10 inches |
| Weight | 12 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 8.5 inches | 11 inches | 18 inches | 10 inches | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 32 MB | 32 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Desktop / Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1 inches | 1.75 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | LAN Lite | LAN Lite | LAN Base | LAN Base | LAN Base |
| Layer Supported | Layer 2 | Layer 2 | Layer 3 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SG200-18 | SF500-48MP | JL319A | 641146-B21 | EX4400-24P |
| Media Type Supported | Combo | Twisted Pair / Combo | Combo | Combo | Combo |
| Memory | 64 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 16 Ports | 48 Ports | 16 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports |
| POE Support | Non POE | POE+ | POE+ | POE | POE+ |
| Port/Expansion Slot Details | N/A | N/A | N/A | 24 Gigabit Ethernet ports, 4 SFP uplink ports | 24 PoE ports, 4 SFP uplink ports |
| Power Consumption | N/A | 250W | 150W | 60 W | N/A |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Small Business SG200-18 18-Port Gigabit Smart Switch | Cisco SF500-48MP | JL319A Enterprise Switching Platform | Enterprise 24-Port Stackable Gigabit Switch | EX4400-24P PoE Edge Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | Yes | Yes | Yes |
| SFP Ports | Combo | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 28 Gbps | 9.6 Gbps | 320 Gbps | 128 Gbps | 104 Gbps |
| Switching Capacity with Stacking | N/A | 19.2 Gbps | 640 Gbps | 256 Gbps | 208 Gbps |
| Uplink Configuration | 1G | 1G | 10G | 10G | 1G |
| Weight | 13 lbs | 17 lbs | 15 lbs | 12 lbs | 9 lbs |
| Width | 19 inches | 17 inches | 17 inches | 19 inches | 17 inches |
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Questions & Answers
Q
What is the HP BLc Cisco B22HP Fabric Ext Module?
A
The HP BLc Cisco B22HP Fabric Ext Module is a half-height passive Fibre Channel pass-thru interconnect designed for HP BladeSystem c-Class enclosures, delivering direct SAN connectivity from blade server adapters to external switches.
Q
What are the key features of the HP BLc Cisco B22HP Fabric Ext Module?
A
The B22HP offers 16 Fibre Channel ports at up to 4 Gbps each, hot-swappable design, low latency, no active switching, and transparent signal pass-through for predictable SAN performance.
Q
How many ports does the HP BLc Cisco B22HP Fabric Ext Module provide?
A
The B22HP provides 16 external Fibre Channel ports, supporting up to eight server mezzanine adapters per module and direct connections to external SAN switches.
Q
What bandwidth does each port of the B22HP support?
A
Each port of the B22HP supports up to 4 Gbps full-duplex Fibre Channel, enabling up to 64 Gbps aggregate bandwidth per module.
Q
Which HP BladeSystem c-Class enclosures are compatible with the B22HP Fabric Ext Module?
A
The B22HP is compatible with HP BladeSystem c7000 and c3000 enclosures and can be installed in any interconnect bay designated for Fibre Channel pass-thru modules.
Q
Is the B22HP module hot-swappable?
A
Yes. The B22HP is fully hot-swappable, allowing installation or removal without powering down the blade enclosure or disrupting other fabrics.
Q
How do I install the HP BLc Cisco B22HP Fabric Ext Module?
A
To install, power off the interconnect bay, slide the B22HP into the designated fabric bay until it clicks, secure the latch, power on the enclosure, and connect external Fibre Channel cables.
Q
What external cables are required for the B22HP Fabric Ext Module?
A
The B22HP requires standard SFP-equipped Fibre Channel cables (LC to LC) or Cisco compatible dual-LC cables rated for 4 Gbps operations.
Q
Does the B22HP module support both Fibre Channel and Ethernet?
A
No. The B22HP is strictly a Fibre Channel pass-thru module. For Ethernet connectivity, you must use an Ethernet or converged network adapter interconnect module.
Q
Can I mix the B22HP with other HP c-Class interconnect modules?
A
Yes. You can mix the B22HP with other HP c-Class Ethernet, LAN-on-Motherboard, or Fibre Channel switch modules, provided you adhere to bay-mapping and fabric pairing rules.
Q
What is the SKU and part number of the HP BLc Cisco B22HP Fabric Ext Module?
A
The SKU is 641146-B21 and the HP part number is PN 641146-B21 for the Cisco B22HP Fabric Ext Module.
Q
What is the power consumption of the B22HP Fabric Ext Module?
A
The typical power consumption of the B22HP is 8 W per module, with no additional cooling requirements beyond standard c-Class enclosure fan support.
Q
Does the B22HP require any software licensing or firmware updates?
A
No licensing is required. The B22HP operates as a passive pass-thru; firmware upgrades are unnecessary since it contains no active switching components.
Q
How does the B22HP Fabric Ext Module differ from the Cisco 2224/2248 Fibre Channel switches?
A
Unlike active Cisco 2224/2248 switches, the B22HP is a passive pass-thru device with no in-module buffering or zoning, offering direct server-to-switch connectivity and lower latency.
Q
What management and monitoring options are available for the B22HP module?
A
Since the B22HP is passive, management and monitoring are handled upstream on the connected SAN switches or through the HP Onboard Administrator for port mapping visibility.
Q
What warranty and support are included with the HP BLc Cisco B22HP Fabric Ext Module?
A
The B22HP is covered by HP’s standard 3-year parts, labor, and onsite support warranty when installed in an HP BladeSystem c-Class enclosure.
Q
Where can I purchase or order the HP BLc Cisco B22HP Fabric Ext Module?
A
You can order the B22HP from authorized HP resellers, the HPE online store, or contact HP sales directly using SKU 641146-B21 for availability and pricing.
