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Aaron Feldman
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40Gb module delivered high throughput networking.
794502-B23
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HPE VC SE 40GB F8 MODULE
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Name:
794502-B23
- Description:
- HPE VC SE 40GB F8 MODULE
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794502-B23 Overview
794502-B23-HPE VC SE 40GB F8 MODULE is a high-performance expansion card engineered for blade server environments and data center networking. Designed to deliver rapid data throughput, this module integrates 8 QSFP+ ports that support 40Gbps connectivity, making it ideal for network upgrade and server expansion applications.
The card features a PCIe-based design (with official PCIe generation details referenced in HPE documentation) and is built with a passive cooling architecture for reliable, continuous operation. It offers broad operating system compatibility—including Windows, Linux, and VMware ESXi—and is purpose-built to enhance network connectivity in modern enterprise deployments.
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794502-B23 Specifications
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- PCIe Version
- N/A
- Product Type
- Expansion Card
- Interface
- PCIe x8
- RAID Levels Supported
- N/A
- Capture Resolution
- N/A
- Capture Frame Rate
- N/A
- Cooling
- Passive
- Low Profile Bracket
- No
- Operating System Compatibility
- Windows / Linux / VMware ESXi
- Full Height Bracket
- No
- Bus Width
- N/A
- Power Requirements
- N/A
- Chipset / Controller
- N/A
- Port Count
- 8
- Card Type
- Network Interface Card
- Supported Ports
- QSFP+
- Max Data Rate
- 40Gbps
- Use Case
- Network Upgrade
- Product Name
- 794502-B23-HPE VC SE 40GB F8 MODULE
794502-B23 Use Case
Accelerated VMware vSphere Deployment with 794502-B23-HPE VC SE 40GB F8 MODULE
Scenario: A global financial services firm consolidates its 10Gb uplink infrastructure to support a 5,000-VM VMware vSphere cluster, deploying the 794502-B23-HPE VC SE 40GB F8 MODULE for high-density 40Gb connectivity. Outcome: Automated network provisioning and unified Fabric management reduce setup time by 60%, while sustained 40Gb throughput ensures sub-millisecond latency and seamless live migrations, driving superior application performance and operational agility.
High-Performance Computing Cluster Networking with 794502-B23-HPE VC SE 40GB F8 MODULE
Scenario: A scientific research center implements a 200-node HPC cluster for molecular modeling and AI training, leveraging the 794502-B23-HPE VC SE 40GB F8 MODULE to interconnect compute nodes over a lossless Fabric. Outcome: End-to-end 40Gb bandwidth with RDMA support delivers a 50% reduction in MPI communication overhead, accelerating large-scale simulations by 2× and maximizing GPU utilization for breakthrough research outcomes.
Scalable Multi-Tenant Private Cloud Networking Using 794502-B23-HPE VC SE 40GB F8 MODULE
Scenario: A telecommunications provider launches a carrier-grade private cloud, segmenting network traffic for voice, data, and edge VNFs on HPE Synergy frames equipped with the 794502-B23-HPE VC SE 40GB F8 MODULE. Outcome: Flexible LOM partitioning and VC Manager orchestration enable zero-touch provisioning of isolated 40Gb network slices per tenant, boosting service velocity by 70% and ensuring SLA compliance with deterministic performance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 794502-B23 |  873373-B21 |  761872-B21 |  869081-B21 |  804428-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | Expansion Card |
| Card Type | Network Interface Card | Storage Controller | RAID Controller | RAID Controller | RAID Controller |
| Interface | PCIe x8 | PCIe x4 | PCIe x8 | PCIe x8 | PCIe x8 |
| PCIe Version | N/A | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 |
| Chipset / Controller | N/A | HPE NVMe Controller | HP Smart Array P440/4G | HP Smart Array | HPE Smart Array P416ie-m SR |
| Supported Ports | QSFP+ | N/A | N/A | N/A | N/A |
| Port Count | 8 | N/A | N/A | N/A | N/A |
| Max Data Rate | 40Gbps | N/A | N/A | N/A | N/A |
| RAID Levels Supported | N/A | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD |
| Capture Resolution | N/A | N/A | N/A | N/A | N/A |
| Capture Frame Rate | N/A | N/A | N/A | N/A | N/A |
| Low Profile Bracket | No | No | Yes | Yes | Yes |
| Full Height Bracket | No | Yes | No | No | No |
| Cooling | Passive | Passive | Passive | Passive | Passive |
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi / FreeBSD | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi |
| Bus Width | N/A | 64-bit | 64-bit | 64-bit | 64-bit |
| Power Requirements | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Use Case | Network Upgrade | Storage Expansion | Storage Expansion | Storage Expansion | Storage Expansion |
| Product Name | 794502-B23-HPE VC SE 40GB F8 MODULE | 873373-B21-HPE Gen10 Purley NVMe FIO Setting | 761872-B21-HP Smart Array P440/4G FIO Controller | 869081-B21-SMART ARRAY P408I-A SR G10 LH CTRLR PL=SI | 804428-B21-HPE Smart Array P416ie-m SR Gen10 Ctrlr |
| Height | N/A | 1.0 inches | 0.67 inches | 1.0 inches | 0.62 inches |
| Width | N/A | 3.5 inches | 6.61 inches | 5.0 inches | 4.33 inches |
| Depth | N/A | 7.5 inches | 8.27 inches | 7.0 inches | 3.10 inches |
| Weight | N/A | 0.5 lbs | 1.35 lbs | 1.2 lbs | 0.66 lbs |
Reviews & Ratings
I
Imtiaz Ahmed
5
OEM module integrated cleanly.
J
Jonas Richter
4
Stable fabric performance.
K
Kevin O'Brien
5
Great for blade networking.
S
Serhii Bondar
5
Consistent speeds.
Questions & Answers
What is the HPE VC SE 40GB F8 Module (SKU 794502-B23)?
The HPE Virtual Connect FlexFabric SE 40Gb F8 Module is a midplane mezzanine switch for HPE BladeSystem c-Class enclosures, providing eight 40 GbE FlexFabric ports to simplify server connectivity and reduce cabling.
Which HPE enclosures support the 794502-B23 module?
SKU 794502-B23 is compatible with HPE BladeSystem c7000 and c3000 enclosures that have available mezzanine card slots and support Virtual Connect SE mezzanine modules.
How many ports does the 40GB F8 Module provide?
The module offers eight 40 Gb QSFP+ FlexFabric uplink ports, enabling high-density, low-latency connections between blade servers and core networks.
What cable types work with the HPE VC SE F8 Module?
You can use HPE-approved QSFP+ DAC cables, active optical QSFP+ cables, and QSFP+ to four SFP+ Breakout cables for 10 GbE compatibility.
Does the 40GB F8 Module require a license?
No additional license is required; all FlexFabric features, including FCoE and network virtualization, are enabled out of the box.
How do I configure the Virtual Connect SE 40GB F8 Module?
Use the Virtual Connect Manager GUI or HPE OneView for intuitive, CLI-free setup, port mapping, and network profile assignment.
Can I mix the F8 Module with other Virtual Connect modules?
Yes. You can install the 40GB F8 Module alongside Virtual Connect Ethernet or Fibre Channel modules in a single c-Class enclosure for hybrid connectivity.
Is the 794502-B23 module hot-swappable?
Yes. The module supports tool-less, hot-swappable installation and removal without powering down the enclosure or disrupting other blades.
What performance benefits does the FlexFabric SE 40Gb F8 Module deliver?
It consolidates up to eight 10 Gb connections into two 40 Gb uplinks, reduces cabling by 75%, and lowers network latency for demanding workloads.
Does the 40GB F8 Module support Fibre Channel over Ethernet (FCoE)?
Yes. It natively supports FCoE, allowing you to converge SAN and LAN traffic over a single pair of 40 Gb uplinks.
What management tools integrate with SKU 794502-B23?
In addition to Virtual Connect Manager, the module integrates with HPE OneView and Virtual Connect Enterprise Manager for centralized automation and monitoring.
What warranty covers the HPE VC SE F8 Module?
It includes a one-year parts and labor warranty, upgradable to three or five years with HPE Care Pack services.
How does the F8 Module improve data center efficiency?
By reducing cable count, consolidating network traffic, and providing on-demand bandwidth allocation, it lowers TCO and simplifies scaling.
Where can I purchase the HPE 40GB F8 Module (794502-B23)?
You can buy it through authorized HPE resellers, the HPE Store, or certified channel partners worldwide.
What troubleshooting resources are available for this module?
HPE provides online user guides, firmware updates on the HPE Support Center, and 24/7 technical assistance through HPE support.