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Aruba R9W91A#ACJ CX 8100 48XF4C Managed Multi-Rate Fiber Switch - 48 x 10G SFP+ & 4 x 100G QSFP28 Slots - Layer 3 - Dual AC Power Supplies
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Product Features
Technical Overview
This switch delivers enterprise-grade switching performance with support for 10 Gigabit Ethernet and 100 Gigabit Ethernet technologies, specifically 10GBase-X and 100GBase-X standards over optical fiber. The 52 total expansion slots are divided into 48 SFP+ slots for 10G connectivity and 4 QSFP28 slots for 100G uplinks or stacking, offering flexible deployment options.
It complies with a comprehensive set of networking standards, including IEEE 802.3ad for link aggregation, IEEE 802.1Q for VLAN tagging, IEEE 802.1D/w/s for spanning tree protocols, and IEEE 802.3x for flow control, ensuring interoperability and reliable operation in mixed-vendor environments.
This section brings together practical product details such as Uplink Port, Modular, Port/Expansion Slot Details, Media Type Supported, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The Aruba CX 8100 48XF4C combines high-density 10G access with 100G uplink readiness, making it an ideal aggregation point for modern networks. Its Layer 3 capabilities enable routing between VLANs and subnets directly at the switch level, reducing reliance on core routers and simplifying network architecture.
High-Density Fiber Connectivity
With 48 SFP+ ports, this switch supports extensive 10G server, storage, or access layer connections, while the 4 QSFP28 slots provide high-bandwidth uplinks to core switches or spine layers in leaf-spine designs.
- 48x 10G SFP+ slots for access density
- 4x 100G QSFP28 slots for high-speed uplinks
- Optical fiber for long-reach, low-latency links
Resilient Power Design
Dual, hot-swappable AC power supplies with input voltage support for 120V and 230V AC ensure continuous operation and power redundancy. The switch includes three fans for consistent thermal management under load.
- Dual AC power supplies for redundancy
- Wide input voltage range (120V/230V AC)
- 450W power consumption under typical load
Deployment / Use Cases
This switch is engineered for scenarios requiring high bandwidth, low latency, and scalable network segmentation. Its port configuration and Layer 3 features make it a versatile choice for data center edge, enterprise distribution, or high-performance computing clusters.
In data center deployments, it can serve as a top-of-rack switch connecting servers and storage arrays via 10G fiber, with 100G uplinks to aggregation or core layers. For enterprise networks, it acts as a distribution switch, routing traffic between access switches and the core while supporting VLANs, QoS, and security policies.
Data Center Aggregation
Aggregate traffic from multiple access switches or servers, leveraging 100G uplinks for high-throughput connectivity to core networking infrastructure.
- High-density 10G server connectivity
- 100G uplinks for core spine layers
- Low-latency fiber optic performance
Enterprise Core/Distribution
Deploy as a distribution layer switch routing between VLANs and providing PoE support for connected devices, with redundant power for critical network segments.
- Layer 3 routing for inter-VLAN traffic
- PoE support for powered devices
- Rack-mountable for standard IT cabinets
Physical Profile
The switch features a compact, rack-optimized design with a height of 1.73 inches (1U), width of 17.42 inches, and depth of 16 inches, fitting standard 19-inch racks. Its approximate weight is 18.50 pounds, making it manageable for installation in data centers or network closets. The form factor supports surface, cabinet, or rack mounting, with front-to-back or back-to-front airflow options typical for data center environments.
- Width
- 17.42" (442.50 mm)
- Depth
- 16" (406.40 mm)
- Height
- 1.73" (44 mm)
- Weight
- 18.50 lb (8390 g)
Highlights
- 48x 10 Gigabit SFP+ expansion slots for high-density 10G connectivity
- 4x 100 Gigabit QSFP28 slots for high-speed uplinks or stacking
- Layer 3 switching with support for routing protocols and scalable network design
- Managed switch with comprehensive IEEE standards compliance for reliable operation
- Dual, hot-swappable AC power supplies with 120V/230V input for power redundancy
- Rack-mountable 1U form factor for standard data center or network cabinet installation
- Optical fiber media support for long-distance, high-bandwidth connections
- PoE (RJ-45) port support for powering connected devices
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | R9W91A#ACJ |
| Brand Name | Aruba |
| Product Series | CX 8100 |
| Product Model | 48XF4C |
| Product Name | 8100 48XF4C 3 Fans, 2 AC Power Supplies |
| Product Type | Ethernet Switch |
| Interfaces/Ports | |
| Uplink Port | Yes |
| Modular | Yes |
| Port/Expansion Slot Details | 48 x 10 Gigabit Expansion Slot,4 x 100 Gigabit Expansion Slot |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Ethernet Technology | 10 Gigabit Ethernet,100 Gigabit Ethernet |
| Network Technology | 10GBase-X,100GBase-X |
| I/O Expansions | |
| Total Number of Expansion Slots | 52 |
| Expansion Slot Type | SFP+,QSFP28 |
| Number of SFP+ Slots | 48 |
| Network & Communication | |
| Layer Supported | 3 |
| Networking Standards | IEEE 802.3ad,IEEE 802.1ab,IEEE 802.1Q,IEEE 802.1D,IEEE 802.1w,IEEE 802.1s,IEEE 802.1ak,IEEE 802.1AX,IEEE 802.1p,IEEE 802.1t,IEEE 802.1v,IEEE 802.3ab,IEEE 802.3ae,IEEE 802.3an,IEEE 802.3by,IEEE 802.3bz,IEEE 802.3cc,IEEE 802.3ba,IEEE 802.3cd,IEEE 802.3bj,IEEE 802.3x,IEEE 802.3z |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| PoE (RJ-45) Port | Yes |
| Input Voltage | 120 V AC,230 V AC |
| Power Source | AC,Power Supply |
| Number of Power Supplies Supported | 2 |
| Power Consumption | 450 W |
| Physical Characteristics | |
| Form Factor | Surface Mount,Cabinet Mount,Rack-mountable |
| Height | 1.73" (44 mm) |
| Width | 17.42" (442.50 mm) |
| Depth | 16" (406.40 mm) |
| Weight (Approximate) | 18.50 lb (8390 g) |
FAQ
What are the port types and counts on this Aruba switch?
This switch has 52 total expansion slots: 48 are SFP+ slots for 10 Gigabit Ethernet connections, and 4 are QSFP28 slots for 100 Gigabit Ethernet uplinks. All ports support optical fiber media, and there is also a PoE-capable RJ-45 port for powering devices.
Does this switch support Layer 3 routing?
Yes, the Aruba CX 8100 48XF4C is a Layer 3 managed switch. It supports routing between VLANs and IP subnets, enabling it to perform routing functions typically handled by dedicated routers, which simplifies network design and improves performance for inter-VLAN traffic.
What power supply configuration does this switch use?
The switch includes two AC power supplies, which are hot-swappable and support input voltages of 120V and 230V AC. This dual-power design provides redundancy, allowing the switch to continue operating if one power supply fails, and it has a typical power consumption of 450 watts.
Is this switch rack-mountable, and what are its dimensions?
Yes, it is rack-mountable with a 1U height (1.73 inches), width of 17.42 inches, and depth of 16 inches, fitting standard 19-inch racks. It can also be surface or cabinet mounted, and its approximate weight is 18.50 pounds.
What networking standards does this switch comply with?
The switch complies with a wide range of IEEE standards, including 802.3ad for link aggregation, 802.1Q for VLANs, 802.1D/w/s for spanning tree protocols, 802.3x for flow control, and 802.3ae/by/bz for 10G/100G Ethernet, ensuring interoperability and robust performance in enterprise networks.
What are typical use cases for this Aruba CX 8100 switch?
Common use cases include data center top-of-rack aggregation for servers and storage, enterprise distribution layer routing between access switches, and high-performance computing environments requiring low-latency, high-bandwidth fiber connectivity. Its 100G uplinks make it suitable for spine layers in leaf-spine architectures.
What uplink, SFP, fiber, or media support detail is listed?
The warranty or support detail listed is Optical Fiber, giving buyers a clearer picture of expected coverage after purchase.
Does the product support PoE or wireless networking?
Connectivity support is listed in the product specifications, including the relevant wireless or port options when available.
| Qty | Price | Available |
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