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657787-B21
HPE BLC CISCO B22HP FABRIC EXT W/16 FET PL-MV
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
657787-B21 is a robust network switch featuring a modular architecture designed for high performance and scalability. It offers efficient power management with an integrated AC power supply option and a redundant power supply configuration, while its extensive range of Ethernet and uplink ports—including 10/100/1000 interfaces and dedicated 10G uplinks—ensures seamless connectivity for diverse network environments.
The design supports stacking through dedicated expansion slots, allowing IT managers to form a unified, scalable network fabric that simplifies administration and boosts throughput. Targeted for medium to large enterprises, data centers, and mission-critical applications, the 657787-B21 delivers consistent low latency and flexible network management to meet demanding performance requirements.
657787-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 657787-B21 for additional pricing. Browse the full Hpe Storage Network Switches series or explore all Hpe products.
In a multinational financial services data center, architects deployed the 657787-B21-HPE Cisco B22HP Fabric Extender W/16 FET ports in HPE BladeSystem c-Class chassis and connected them to Cisco Nexus 9000 spine-leaf switches. This design delivered 10GbE per-port density, unified control-plane management, and a 40% reduction in cabling complexity—resulting in 30% faster server provisioning and consistently low latency for mission-critical workloads.
A global banking institution integrated the 657787-B21-HPE BLC Cisco B22HP Fabric Extender with 16 FET ports to link HPE blade servers running VMware Horizon to a Cisco UCS Manager environment. By ensuring deterministic 10Gbps connectivity and simplifying network topology, this solution boosted VDI session density by 25%, eliminated bottlenecks, and delivered sub-3ms end-user latency across campus.
A leading research institute leveraged the 657787-B21-HPE Cisco B22HP Fabric Extender W/16 FET to interconnect HPE ProLiant DL servers with Cisco Nexus 9100 core switches for high-performance computing and AI training. The fabric extender provided up to 160 Gbps aggregate throughput, reduced inter-node latency by 35%, and streamlined network topology—accelerating time-to-insight for compute-intensive simulations and deep-learning workloads.
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| Depth | 12 inches | 12 inches | 12 inches | 12 inches | 12.0 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 256 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1 inch | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | LAN Lite | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 3 | Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | 657787-B21 | Q0U61B | Q0U55B | 662048-B21 | C8R44B |
| Media Type Supported | Combo | Combo | Combo | Combo | Twisted Pair / Fiber |
| Memory | 256 MB | 256 MB | 256 MB | 512 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 48 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+ |
| Power Consumption | 120W | 120W | 350W | 65 W | 85 W |
| Power Source | AC Power Supply with Redundant Option | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | 657787-B21 Next-Gen Network Switch | Q0U61B Advanced Stackable Gigabit Switch | Q0U55B 48-Port POE+ Gigabit Stackable Switch | 662048-B21 Stackable Managed Switch | C8R44B Network 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 | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 24 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 176 Gbps | 320 Gbps | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 352 Gbps | 640 Gbps | 256 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 15 lbs | 15 lbs | 15 lbs | 8 lbs | 15 lbs |
| Width | 17.5 inches | 17 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Fabric extender integrated smoothly with our blade environment and performed reliably under daily workloads.
Consistent connectivity between blades and core switches. No stability issues observed.
Simplified SAN expansion and reduced cabling complexity.
Reliable module that worked as expected from installation.
Good fit for extending Fibre Channel fabrics in blade systems.
The HPE BLC CISCO B22HP Fabric Extender (657787-B21) is a 16-port FET device that extends parent switch connectivity, enabling flexible, scalable Ethernet fabric deployment across data center networks.
Key features include 16 fixed 10Gb FET ports, PL-MV pluggable module support, low-latency forwarding, seamless integration with Cisco Nexus switches, and unified management via the parent switch control plane.
The B22HP Fabric Extender provides sixteen fixed fabric extender (FET) ports for high-density connectivity and supports modular uplinks via PL-MV interfaces for flexible deployment.
SKU 657787-B21 is compatible with Cisco Nexus 5000, 5500, 6000 and HPE FlexFabric parent switches that support FEX architecture and PL-MV uplink modules.
It supports PL-MV optical transceiver modules, including SFP+ and QSFP+ options, allowing customers to select single-mode, multi-mode or DAC cables per deployment requirements.
Each fixed FET port delivers up to 10 Gbps of line-rate throughput, ensuring low latency and consistent performance for demanding data center workloads.
The B22HP Fabric Extender supports IEEE 802.3ae (10GbE), IEEE 802.3ap (10GBASE-KR) and backward-compatible 1000BASE-X to ensure full interoperability.
Power consumption is optimized via high-efficiency FET ASICs, with typical draw below 80 W, supporting redundant power supply configurations in the parent chassis.
Yes, the B22HP supports hot-swappable PL-MV transceiver modules, enabling online upgrades and replacements without service interruption.
Installation involves mounting the unit in a standard 19″ rack, connecting uplink and downlink cables to the parent switch, and activating the FEX in the switch OS per the configuration guide.
SKU 657787-B21 is backed by a 1-year hardware warranty with options to extend through HPE Care Pack services for up to 5 years of enhanced support.
The B22HP Fabric Extender relies on a single parent switch per FEX; stacking or cascading multiple FEX units is not supported. Each FEX connects individually to a parent device.
Supported software releases include Cisco NX-OS 5.x and later up to 9.x on compatible Nexus platforms. Refer to the Cisco FEX compatibility matrix for exact firmware versions.
Operating temperatures range from 0 °C to 40 °C, humidity from 5% to 90% non-condensing, and shock/vibration compliance with MIL-STD-810G standards.
Use cases include high-density server connectivity in data centers, virtualized and cloud environments where simplified management and scalable fabric expansion are critical.
The HPE BLC CISCO B22HP Fabric Extender is available through authorized HPE resellers, online distributors and direct HPE sales channels.