Supermicro
Supermicro PWS-2K04A-1R Power Supply
Best high-efficiency power upgrade for professional 1U server environments.
The Supermicro PWS-2K04F-1R is a high-performance, redundant power supply module engineered for application-optimized server solutions. It delivers an impressive 2000 Watt output and meets the stringent requirements of 80 PLUS Titanium efficiency certification. This unit is specifically designed for integration into 1U systems, notably the MicroCloud SuperServer 5039MS-H12TRF. Supermicro ensures customer confidence by developing and rigorously testing these dependable accessories, making them excellent building blocks for reliable system upgrades.
$59.00
Owner Satisfaction
4.7
/ 5
Category Rank
28
/ 1062
#28 in Computer Power Supplies
Price vs Category Average
-94%
Below average
Power Capacity
2000.0000
/ Watts
Who it's for
- Data center managers focused on reducing long-term energy costs
- IT administrators prioritizing continuous server uptime and maintenance
- Engineers building high-density GPU or AI computing clusters
Who should skip it
- Budget-conscious buyers seeking affordable power solutions
- Office workers requiring a quiet, noise-sensitive environment
- System builders using non-Supermicro or standard ATX chassis
Performance breakdown
Power Density
Delivers massive 2000W output within a compact 1U form factor.
Energy Efficiency
Titanium certification ensures minimal power waste during high-load server operations.
System Redundancy
Hot-swappable design provides critical failover protection for mission-critical server environments.
Voltage Versatility
Broad input voltage range supports diverse global data center power infrastructures.
Build Reliability
Rigorous Supermicro testing guarantees stability under continuous, heavy-duty server workloads.
Service Longevity
Three-year warranty coverage provides essential peace of mind for enterprise deployments.
Key Specs
Power Capacity
2000.0000 Watts
Efficiency Certification
80 PLUS Titanium
Form Factor
1U Plug-in module
Input Voltage Required
AC 100-127/200-220/220-230/230-240 V
Modularity
Redundant (plug-in module)
Service & Support Type
3-year warranty
Features
- Provides 2000 Watt power output
- Features redundant plug-in module design
- Achieves 80 PLUS Titanium efficiency
- Includes Active Power Factor Correction (PFC)
- Designed specifically for 1U systems
- Offers dependable, cost-effective componentry
- Tested for high performance and reliability
What customers say
Users overwhelmingly praise the Supermicro PWS-2K04A-1R for its exceptional reliability and efficiency in enterprise settings. Data center operators value the 80 PLUS Titanium certification, which delivers significant energy savings and manages operational heat effectively within dense server racks. Reliability is paramount; the hot-swappable, redundant design ensures critical business continuity. The 2000W capacity easily supports demanding, high-end computational tasks without strain. While the initial cost is high, reviewers consider this PSU a worthwhile investment due to its longevity and superior efficiency, ultimately lowering the total cost of ownership. It is viewed as a foundational element for uncompromising server infrastructure.
Know before you buy
The PWS-2K04A-1R is engineered specifically for 1U systems, most notably the Supermicro MicroCloud SuperServer 5039MS-H12TRF. Please verify your chassis model before purchase to ensure physical and electrical compatibility.
80 PLUS Titanium is the highest efficiency rating available, meaning this unit converts power with minimal waste. This reduces your overall electricity costs and lowers the heat output of your server rack.
While this is a redundant plug-in module, it can function as a single unit depending on your chassis configuration. However, it is designed to be part of a redundant power system to ensure your server stays online if one module fails.
Yes, this unit supports a wide range of input voltages, including 100-127V and 200-240V AC. This flexibility allows it to operate reliably in various data center and office power environments.
This power supply includes a 3-year manufacturer warranty. This coverage reflects Supermicro's rigorous testing standards and provides peace of mind for long-term server reliability.
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