Is this switch blade rack-mountable?

Yes, it has a rack-mountable blade form factor designed for HP SAN Director chassis. Weighing 12.00 lbs, it fits horizontal slots for high-density deployments up to 256 ports aggregate with 256 Gbit/sec bandwidth.

What network standards does it support?

Supports Gigabit Ethernet and coaxial media standards, with SFP/SFP+ slots for shared connectivity. Offers Classes 2, 3, F services and fabric latency <2.1 µsec at 4Gbps using cut-through routing.

Can it be managed remotely?

Yes, it is fully manageable with a dedicated console management port, plus USB for local access. Supports standard protocols for enterprise SAN monitoring and configuration in core-to-edge setups.

What is the performance like?

Delivers 4.25 Gbit/sec full duplex line speed per port, aggregate 256 Gbit/sec end-to-end, and supports 2112-byte frames. Ideal for mission-critical SANs with low latency and high scalability.

Is it suitable for enterprise SANs?

Yes, as an enterprise-level Fibre Channel switch blade for StorageWorks SAN Directors, it provides redundant features, stacking, and 32 ports at 4Gbps for virtualized data centers and storage consolidation.

A7991A - HP A7991A 4/32 Blade Switch 32x4Gbps FC Blade

Name: HP A7991A 4/32 Blade Switch 32x4Gbps FC Blade
Brand: HP
SKU: A7991A
Price: 115 USD
Availability: InStock

A7991A - HP A7991A 4/32 Blade Switch 32x4Gbps FC Blade | US IT Hardware

Product overview

The HP StorageWorks SAN Director 4/32 Blade Switch (SKU A7991A) is a Fibre Channel switch blade designed for enterprise Storage Area Networks (SANs). It features 32 Fibre Channel ports supporting 4Gbps SFPs, enabling high-density connectivity in director-class chassis. Additional interfaces include a console management port, uplink port, USB port, and stacking port for flexible integration. Compatible with Gigabit Ethernet and coaxial media standards, it offers SFP/SFP+ slots for shared connectivity. The rack-mountable blade form factor ensures seamless deployment in scalable SAN fabrics. Manageable via standard protocols, it weighs 12.00 lbs, suiting mission-critical environments. Ideal for core-to-edge architectures, it provides auto-sensing for 1/2/4Gbps speeds, low latency under 2.1 µsec, and up to 256 Gbit/sec aggregate bandwidth in full configurations. Procurement teams value its reliability for virtualized data centers and high-availability storage.

32x 4Gbps FC ports with SFP support for dense SAN connectivity
Rack-mountable blade form, 12 lbs for easy director integration
Gigabit Ethernet, console/uplink/USB ports for full management
Auto-sensing 1/2/4Gbps speeds with <2.1µs latency
SFP/SFP+ slots and stacking for scalable fabrics
Coaxial media support for reliable enterprise switching

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	A7991A
Brand	HP
Condition	Refurbished
Model	4/32 Blade Switch
Manageable	Yes
Fabric Watch	Included in Power Pack software
Product Line	StorageWorks SAN Director
Product Type	Fibre Channel Switch Blade
Media Standard	Coaxial
ASIC Technology	Built-in ASIC with security capabilities
RoHS Compliance	Yes

Compatible systems

No specific compatibility lists found for this blade SKU

Best for

Enterprise SAN Core
Deploys 32 Fibre Channel ports at 4Gbps in director chassis for high-port-count fabrics, supporting up to 256 ports aggregate with low latency <2.1 µsec.
Edge Connectivity
Provides stacking, uplink, and console ports for edge-to-core SAN extension, with auto-sensing 1/2/4Gbps compatibility in rack-mountable blade form.
Virtualized Environments
Enables scalable Fibre Channel switching with SFP/SFP+ slots and Gigabit Ethernet for highly virtualized data centers requiring reliable 12 lbs blade integration.
Storage Consolidation
Supports coaxial media and management features for consolidating storage traffic in mission-critical setups with USB and stacking for easy expansion.

Frequently asked questions

What ports does the HP StorageWorks 4/32 Blade Switch include?

Details

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Hot-Swap Capability	FRUs capable of hot-swap install/de-install

Performance Monitor	Included in Power Pack software

HP OpenView Integration	Fully integrated with HP OpenView storage management products

Non-Disruptive Upgrades	Hardware and software upgrades concurrent with operation

Network & Communication

Backplane Speed	4Gb/s
Ethernet Standard	Gigabit Ethernet
iSCSI Blade Support	4Gb/s iSCSI blades supported
4Gb Routing Services	Supported
ISL Trunking Support	Yes - enables data transfer between data centers up to 500 kilometers
Fibre Channel Port Speeds	4Gb/s, 8Gb/s, 10Gb/s
FCIP SAN Extension Services	Supported

Weight	12.00 LBS
Form Factor	Rack-mountable Blade

USB Port	Yes
Uplink Port	Yes
Network Ports	32 Fibre Channel ports; Supports 4Gbps SFPs
Shared Status	SFP/SFP+ Slots Yes
Stacking Port	Yes
Console Management Port	Yes

HP A7991A 4/32 Blade Switch 32x4Gbps FC Blade

Product overview

Featuring

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Network & Communication

Security

Power Consumption

Physical Characteristics

Interface/Ports

Warranty & Support