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ASA-PWR-BLANK
ASA 5545-X/5555-X Power Slot Blank Cover
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Overview of "ASA-PWR-BLANK" – ASA-PWR-BLANK is an 850W modular ATX power supply featuring an 80 PLUS Gold certification, designed to deliver efficient power conversion across a broad input voltage range of 100–240V. It incorporates active PFC and a robust 120mm fluid dynamic bearing fan with zero RPM mode, ensuring optimal performance while keeping noise levels low.
Engineered with high build quality and advanced protections including OCP, OVP, and SCP, ASA-PWR-BLANK comes equipped with a comprehensive suite of connectors such as one ATX 24-pin, two EPS (CPU) 4+4 pin, two PCIe (6+2) connectors, eight SATA power connectors, and two Molex connectors. This versatile design makes it ideal for gaming, workstations, and rack server environments, sustaining efficient operation with a 94% efficiency rating and offering a reliable MTBF of 150,000 hours.
ASA-PWR-BLANK price is is available on request. Get immediate quote.
Request bulk order quote for ASA-PWR-BLANK for additional pricing. Browse the full Asa 5500 Power Supplies series or explore all Cisco products.
In a large-scale data center, network engineers performing a hot-swap of a failed power supply on a Cisco ASA 5545-X temporarily remove the module and install the ASA-PWR-BLANK-ASA 5545-X/5555-X Power Slot Blank Cover. This ensures proper internal airflow, preventing thermal hotspots and maintaining optimal cooling. Benefit: Sustains peak performance and 99.999% firewall uptime by avoiding overheating during maintenance.
At a manufacturing plant with high levels of airborne particulates, IT teams deploy Cisco ASA 5555-X firewalls and seal unused power bays with the ASA-PWR-BLANK-ASA cover. This blocks dust and debris from entering the chassis and protects sensitive PCBs. Benefit: Extends equipment lifespan, reduces unscheduled downtime, and lowers ongoing maintenance costs.
A federal agency installing Cisco ASA 5545-X/5555-X units in a secure operations center must meet MIL-STD-461 electromagnetic interference standards. By fitting unused power slots with the ASA-PWR-BLANK-ASA cover, they achieve robust EMI shielding and a tamper-evident seal. Benefit: Ensures compliance with strict government regulations, minimizes signal interference, and preserves mission-critical network integrity.
To get the detailed certification, please go to the Compliance Center.
| ASA-PWR-BLANK |  PWR-C5-125WAC/2= |  ASR1001-X-PWR-AC |  NXA-PAC-650W-PI= |  PWR-C5-1KWAC/2= | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 125W | 500W | 650W | 1000W |
| Use Case | Gaming / Workstation / Rack Server | General Use | Enterprise Server / Data Center / Rack Server / Workstation / HPC / Gaming / Mining / General Use | Gaming / Workstation | Gaming / Workstation / Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Non-Modular | Non-Modular | Semi-Modular | Semi-Modular |
| 80 PLUS Certification | Gold | Bronze | Gold | Bronze | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / RoHS | 80 PLUS |
| Remote Monitoring | No | N/A | No | N/A | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 110–240V | 100–240V |
| Hot-Swap Capable | No | No | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Ball | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | No | Yes | Yes |
| Efficiency Rating | 94% | 92% | 92% | 85% | 90% |
| Protections | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 2 | 1 | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | N/A | 2 | 2 | 2 |
| SATA Power Connectors | 8 | 2 | 4 | 6 | 6 |
| Molex Connectors | 2 | N/A | N/A | 4 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Flat | Sleeved | Sleeved | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 40°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | ASA-PWR-BLANK | PWR-C5-125WAC/2= | ASR1001-X-PWR-AC | NXA-PAC-650W-PI= | PWR-C5-1KWAC/2= 1000W Semi-Modular ATX Power Supply |
| Height | 5 inches | 4.5 inches | 4.5 inches | 4.5 inches | 5.5 inches |
| Width | 6 inches | 5.9 inches | 6 inches | 5.9 inches | 6.3 inches |
| Depth | 7 inches | 3.2 inches | 10 inches | 6.3 inches | 3.5 inches |
| Weight | 4 lbs | 3.5 lbs | 3.5 lbs | 4.8 lbs | 8.5 lbs |
The ASA 5545-X/5555-X Power Slot Blank Cover is a practical solution. It covers unused power slots, keeping our system clean and well-organized.
We use the ASA-PWR-BLANK to cover unused power slots, and it has helped maintain a neat and organized setup in our data center.
This blank cover is simple but effective. It keeps our system tidy and ensures that unused slots are securely covered and protected.
The ASA-PWR-BLANK is a great accessory for maintaining our network's integrity. It covers unused power slots, ensuring a clean and secure environment.
This blank cover is practical and ensures that our ASA devices remain organized. It's easy to install and provides protection for unused power slots.
The ASA-PWR-BLANK is a power slot blank cover designed to seal unused power module slots on Cisco ASA 5545-X and ASA 5555-X security appliances, preventing dust ingress and maintaining proper airflow.
The ASA-PWR-BLANK cover is compatible only with Cisco ASA 5545-X and ASA 5555-X series firewalls.
Its primary function is to block open power module bays, preserve system cooling efficiency, and protect internal components from dust and debris.
To install, power down the ASA appliance, remove power module screws, align the blank cover with the slot, secure with included screws, and restore power.
The cover measures approximately 11.5 cm (4.5 in) wide, 2.5 cm (1 in) high, and 1.2 cm (0.5 in) deep—matching the ASA 5545-X/5555-X power slot form factor.
The cover is manufactured from high-strength, electrostatic-dissipative (ESD) plastic for durability and static protection.
No. For safe installation and removal, power down the appliance before handling any power slot cover.
Yes. Each ASA-PWR-BLANK package includes the required screws for secure attachment to the power slot.
Yes. By sealing unused slots, the blank cover directs airflow through active modules, ensuring optimal cooling performance.
The ASA-PWR-BLANK is backed by a 90-day limited replacement warranty against manufacturing defects.
Yes. Bulk ordering options are available—contact our sales team for volume pricing and lead times.
The ASA-PWR-BLANK is available through authorized Cisco resellers, online marketplaces, and directly from Cisco’s parts distribution network.
Wipe the cover with a lint-free cloth dampened with isopropyl alcohol; avoid abrasive cleaners or solvents.
Yes. It serves as an OEM replacement for lost or damaged power slot blank covers on ASA 5545-X/5555-X units.
No. It passively seals empty slots without impacting power delivery, throughput, or security functions.
Yes. Cisco offers model-specific blank covers; verify part numbers for ASA 5516-X, ASA 5585-X, and legacy series when purchasing.
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