SUPERMICRO PWS-5K51B-2R Battery Backup Unit Shelf 2U 5500W
( Brand: Supermicro ), ( Manufacturer Part Number: PWS-5K51B-2R ), ( Type: Power Supply ), ( Country Of Origin: United States )
Review SUPERMICRO 2u Battery Backup Unit In Inch Shelf
The Supermicro PWS-5K51B-2R is a 2U (2 rack units) high-capacity 5500W Battery Backup Unit (BBU) designed for use with Supermicro 19-inch rack-mount servers and IT equipment. This product is an essential component of any mission-critical IT infrastructure, providing reliable power protection against power outages, voltage fluctuations, and other power-related issues.
The PWS-5K51B-2R features a hot-plug design, allowing for the replacement of batteries without powering down the connected equipment. It comes with 30 hot-plug, lithium-ion batteries, each with a capacity of 185 Ah (Ampere-hours) and a voltage of 12.8V. These batteries offer long runtime and excellent performance, ensuring that your IT equipment remains protected during extended power outages.
The battery backup unit is designed to support a wide input voltage range, from 90V to 264V, and features an automatic voltage regulation system that maintains a constant output voltage of 240V 10% for connected equipment. Additionally, it includes an on-board Automatic Voltage Regulator (AVR) that provides output voltage regulation and maintains output voltage stability even during input voltage fluctuations.
The PWS-5K51B-2R also features an intelligent LCD display, which provides real-time information on the battery status, input and output power consumption, and other critical data. This information is essential for monitoring the health and performance of the battery backup unit and the connected equipment.
The Supermicro PWS-5K51B-2R supports a wide range of output configurations, including parallel (N 1) and serial (CAS) configurations, allowing for the connection of multiple units for increased capacity and redundancy. It also includes a built-in maintenance bypass, which enables the direct connection of the input power to the output power during service and maintenance activities, ensuring that the connected equipment remains powered even when the battery backup unit is out of service.
The PWS-5K51B-2R is designed for easy installation, with a compact 2U form factor and a high-density design that maximizes the use of rack space. It also includes a rear door fan for efficient cooling, making it an ideal choice for data centers and other IT environments where space and power are at a premium.
In summary, the Supermicro PWS-5K51B-2R is a high-capacity, hot-plug, 5500W battery backup unit designed for use with Supermicro 19-inch rack-mount servers and IT equipment. It features a hot-plug design, intelligent LCD display, wide input voltage range, and automatic voltage regulation system, making it an essential component of any mission-critical IT infrastructure. Its compact 2U form factor, efficient cooling, and support for parallel and serial configurations make it an ideal choice for data centers and other IT environments where space and power are at a premium.
The Supermicro PWS-5K51B-2R is a 2U (2 rack units) 5500W battery backup unit designed for server environments. It offers several features that can be beneficial for data centers and IT infrastructure. Below are some pros and cons of this product to help you make an informed decision.
Pros:1. High Power Capacity: With a capacity of 5500W, this UPS can support a large number of servers or high-power IT equipment.
2. Hot-Swappable Batteries: The hot-swappable batteries allow for maintenance and replacement without disrupting the connected equipment.
3. High Density: The 19-shelf design maximizes the available rack space in data centers.
4. Efficient Design: The UPS is designed for high efficiency, which can result in energy savings and reduced heat output.
5. Remote Management: The PWS-5K51B-2R supports SNMP and other management protocols, allowing for remote monitoring and control.
Cons:1. High Cost: Given its high power capacity, advanced features, and large size, the PWS-5K51B-2R comes with a significant price tag.
2. Complex Installation: Installing and configuring this UPS may require specialized knowledge and expertise, which could add to the overall cost and complexity.
Conclusion:The Supermicro PWS-5K51B-2R 2U 5500W battery backup unit is an excellent choice for large data centers and IT environments that require a high-capacity, efficient, and reliable power backup solution. Its hot-swappable batteries, remote management capabilities, and high power capacity make it an attractive option for IT infrastructure managers. However, its high cost and complex installation may deter smaller organizations or those with limited budgets.
Recommendation:If you're operating a large data center or an IT infrastructure that requires a high-capacity, efficient, and reliable power backup solution, the Supermicro PWS-5K51B-2R is an excellent choice. However, if you have a smaller budget or less complex power backup requirements, you may want to consider a smaller and less expensive UPS model. In such cases, you can evaluate other options from Supermicro or other vendors that better suit your specific needs.
Details:
part #: pws5k51b2r price
- $2999.99
specifications powsuppy:
- brand: Supermicro
- mpn: Pws-5k51b-2r
- type: Power Supply
- country of origin: United States
shipping powsuppy:
- cost: $65.50
- service: UPS Ground, FedEx 2Day, FedEx Standard Overnight
- transit: 5-12 Days
- class: Standard, Expedited, One-day
- type: Calculated
- carrier: UPS, FedEx
seller powsuppy:
- city: San Jose, California
- # reviews: 23348
- rating: 99.7%
general powsuppy:
- condition: New
- Computers/Tablet's Networking > Computer Components Parts > Power Supplies
offer powsuppy:
- sold: 0
- started: May 29, 2026
- quantity: 50
- availability: In Stock
- options: Ship-to-home
returns powsuppy:
- time: 30 Days
- policy: Returns Accepted
- paid by: Seller
- method: Money back
payments powsuppy:
- credit card: Visa
- other
- wallet: Apple-pay
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