6 Best Alternatives to the MAXROB 250W TFX Power Supply (2026)
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The MAXROB 250W TFX Power Supply serves as a practical replacement for older FSP units. It fits users who need a compact TFX supply for low-power builds. If you are searching for maxrob replacement charger power supply alternatives, you may want different specifications or features. You might need more wattage, a specific brand, or a different efficiency rating. Some users prefer higher power for future upgrades, while others seek better efficiency for quieter operation. The alternatives in this guide were chosen because their specs overlap with the original.
This list includes options ranging from budget-friendly 300W units to high-efficiency 500W Gold models. You will find specialized units for Dell Inspiron systems and ThinkCentre desktops. There is also a testing tool for verifying outputs before installation. Each product meets the TFX form factor requirement. You can compare dimensions, wattage, and efficiency ratings to find the best fit. The guide helps you navigate the available choices based on your specific build requirements.
How each alternative compares
BackPlanePro 300W TFX Power Supply
The BackPlanePro 300W TFX Power Supply offers 50 more watts than the MAXROB unit, providing extra headroom for slightly more demanding components. It features Active PFC, which improves power efficiency and reduces strain on your electrical grid. Its dimensions are 2.56 by 3.35 by 6.89 inches, fitting standard TFX cases. You should choose this if you need a budget-friendly upgrade for Dell Inspiron systems or want to ensure stable voltage under load. It lacks the specific FSP compatibility labeling but maintains the compact form factor you require for small builds.
Apevia 300W TFX Power Supply
The Apevia 300W TFX Power Supply provides a direct 300W output, exceeding the MAXROB 250W rating. It measures 3.23 by 2.5 by 6.75 inches and weighs 2.1 pounds. This model is designed for straightforward replacement in compact cases where standard TFX dimensions are critical. It uses an 80mm cooling fan, similar to many low-power units. Pick this option if you need a simple, no-frills upgrade for a system that can handle the extra power. It does not include advanced efficiency certifications, making it a practical choice for basic builds where cost and compatibility matter most.
Lenovo ThinkCentre 210W TFX Power Supply
The Lenovo ThinkCentre 210W TFX Power Supply delivers less power than the MAXROB 250W unit, making it suitable only for very low-power systems. Its dimensions are unique, measuring 1.1 by 6.5 by 9.7 inches, which may not fit standard TFX mounting holes. This unit is specialized for ThinkCentre desktop replacements. You should consider it only if you are repairing a specific Lenovo machine and cannot find an exact OEM part. It lacks the efficiency ratings and higher wattage of other alternatives, limiting its use to minimalistic office builds or legacy hardware maintenance.
SilverStone 500W Gold TFX Power Supply
The SilverStone 500W Gold TFX Power Supply offers significantly more power, doubling the output of the MAXROB 250W unit. It carries an 80 Plus Gold efficiency rating, reducing heat and energy waste. The dimensions are 3.4 by 2.6 by 6.9 inches, fitting standard TFX cases. This is the right choice for builders upgrading from low-wattage units who need headroom for discrete graphics or multiple drives. It provides better silence and efficiency but costs more. Choose this if you plan to expand your system later and want a high-quality, long-lasting power solution for compact builds.
Be Quiet! TFX Power 3 TFX Power Supply
The Be Quiet! TFX Power 300W Power Supply provides 50 more watts than the MAXROB unit, offering better performance for moderate loads. It measures 3.35 by 2.56 by 6.89 inches and weighs 3.09 pounds. This model is designed for compact systems where space is tight but reliability is key. It fits users needing a direct replacement for legacy small form factor systems. You should pick this if you value brand reputation and consistent power delivery. It lacks advanced efficiency certifications but provides a stable, quiet operation suitable for office or home media centers where noise levels matter.
Yosoo Health Gear LCD Power Supply Tester
The Yosoo Health Gear LCD Power Supply Tester is not a power supply but a diagnostic tool. It features an LCD display to verify TFX power supply outputs. Its dimensions are 1.97 by 0.79 by 3.94 inches, making it a small, portable device. This tool helps technicians check voltage stability and detect defects before installation. You should use this if you are troubleshooting a faulty MAXROB unit or verifying new replacements. It does not power your computer but ensures the power supply you install is functioning correctly. It is essential for technicians who need to confirm output accuracy before committing to a build.
Quick picks
Our 7 picks
MAXROB 250W TFX Power Supply
Best for: Replacing older FSP TFX units
- Wattage
- 250W
- Form Factor
- TFX
This MAXROB unit is a 250W TFX power supply designed as a replacement for specific FSP models. It maintains the standard TFX form factor, ensuring it fits in compact cases that require this size. The 250W output is sufficient for systems with modest power needs. You should consider this option if you need a direct replacement for older FSP hardware or require a reliable TFX unit for a small form factor build.
Pros
- Provides 250W of power output
- Uses standard TFX form factor
- Compatible with FSP FSP300-60GHT and FSP250-50SAV(PF) models
Cons
- Lower wattage than many 300W alternatives
- Fixed cable configuration limits flexibility
- No 80 Plus efficiency certification listed
Good fit if
- You need a direct replacement for an FSP TFX unit
- You are building a compact PC with low power demands
- You require a standard TFX form factor
Skip if
- You need more than 250W of power
- You require high efficiency certifications like 80 Plus Gold
- You want modular cabling for easier cable management
Verdict: MAXROB 250W TFX Power Supply is a practical replacement for older FSP units. It fits users who need a compact TFX supply for low-power builds.
BackPlanePro 300W TFX Power Supply
Best for: Dell Inspiron 530s replacement
- Wattage
- 300W
- Fan Size
- 80mm
- Warranty
- One Year
- Form Factor
- TFX
- Dimensions
- 6.89 × 2.56 × 3.35 inches
- Weight
- 3 pounds
This BackPlanePro unit is a 300W TFX power supply designed to replace or support systems like the Dell Inspiron 530s. It features an 80mm fan for cooling and includes Active PFC for efficient power handling. The unit measures 6.89 by 3.35 by 2.56 inches and weighs 3 pounds. It comes with a one-year warranty. It suits users needing a compact, reliable replacement for slimline desktop cases.
Pros
- 300W output capacity
- Active PFC support
- 80mm cooling fan
- TFX form factor
Cons
- One-year warranty is shorter than industry standards
- Fixed cable configuration limits cable management
- 80mm fan may be louder than larger fans
Good fit if
- You need a direct replacement for a Dell Inspiron 530s or 531s
- You require a 300W TFX unit for a MicroATX slim case
- You want Active PFC for stable voltage input
Skip if
- You need more than 300W of power
- You require modular cables for clean builds
- You want a warranty longer than one year
Verdict: BackPlanePro 300W TFX Power Supply fits users replacing Dell Inspiron 530s or 531s units who need a compact 300W solution with Active PFC.
Apevia 300W TFX Power Supply
Best for: Compact TFX systems needing 300W
- Wattage
- 300W
- Fan Size
- 80mm
- Form Factor
- TFX
- Dimensions
- 6.75 × 3.23 × 2.5 inches
- Weight
- 2.1 pounds
The Apevia TFX-AP300W is a 300W TFX power supply designed for compact systems. It features an 80mm fan for forced air ventilation and supports an input voltage of 115-230V AC. The unit provides stable outputs across +3.3V, +5V, and +12V rails with 5% tolerance. It measures 6.75 inches in length and weighs 2.1 pounds. This unit suits users needing a reliable replacement for standard TFX form factors.
Pros
- 300W total wattage output
- 80mm fan for active cooling
- Supports 115-230V AC input
- 5% voltage tolerance on rails
Cons
- Smaller 80mm fan compared to larger units
- Lower 300W capacity limits high-power builds
- Fixed cable configuration not explicitly detailed
Good fit if
- You need a 300W TFX replacement
- You require 115-230V input flexibility
- You want a standard 80mm fan solution
Skip if
- You need more than 300W power
- You prefer a larger 120mm fan
- You require high-efficiency 80 Plus certification
Verdict: Apevia 300W TFX Power Supply is a straightforward option for users needing a direct 300W TFX replacement. It fits compact cases where standard TFX dimensions and 80mm cooling are required.
Lenovo ThinkCentre 210W TFX Power Supply
Best for: ThinkCentre desktop replacements
- Wattage
- 210W
- Form Factor
- TFX
- Dimensions
- 1.1 × 9.7 × 6.5 inches
This Lenovo TFX unit delivers 210W of power for small form factor systems. It measures 1.1 inches thick, fitting into tight chassis spaces. The unit accepts 100-240Vac input voltage, allowing use in various regions. You should choose this if your desktop requires a low-profile replacement. It is not suitable for high-performance builds needing more wattage.
Pros
- 210W output capacity
- Compact 1.1 inch thickness
- 100-240Vac input range
- TFX form factor
Cons
- Lower wattage than many alternatives
- Fixed cable configuration
- No 80 Plus efficiency rating listed
Good fit if
- You need a direct replacement for a ThinkCentre system
- Your case has limited depth for power supplies
- Your components require under 210W
Skip if
- You need more than 210W of power
- You require an 80 Plus Gold efficiency rating
- You want modular cabling for custom builds
Verdict: Lenovo 210W TFX Power Supply is a specialized unit for ThinkCentre owners. It fits small cases but lacks the power and efficiency ratings of higher-end options.
SilverStone 500W Gold TFX Power Supply
Best for: High-power compact PC builds
- Wattage
- 500W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fixed Cable
- Fan Size
- 80mm
- Form Factor
- TFX
- Dimensions
- 6.9 × 3.4 × 2.6 inches
This SilverStone unit delivers 500W of continuous power in a standard TFX form factor. It holds an 80 PLUS Gold efficiency rating, meaning less wasted heat and energy. The 80mm fan operates at a quiet 18 dBA. It is built for 24/7 use at temperatures up to 50°C. This model suits users who need more wattage than the 300W alternatives while keeping a small footprint.
Pros
- 500W continuous output at 50°C
- 80 PLUS Gold efficiency certification
- Quiet 80mm fan at 18 dBA
- Standard TFX form factor support
Cons
- Fixed cables limit cable management flexibility
- Heavier and bulkier than 300W TFX units
- Higher price point than bronze alternatives
Good fit if
- You need more than 300W for a compact PC
- You want high efficiency to reduce heat
- You require 24/7 operation stability
Skip if
- You need modular cables for tight builds
- You are on a strict budget
- Your system only requires 200W or less
Verdict: SilverStone 500W TFX Gold PSU offers significant power headroom for compact systems. It is the right choice for builders upgrading from low-wattage units who value efficiency and silence.
Be Quiet! TFX Power 3 TFX Power Supply
Best for: compact system power replacement
- Form Factor
- TFX
- Dimensions
- 6.89 × 3.35 × 2.56 inches
- Weight
- 3.09 pounds
This Be Quiet! TFX power supply delivers reliable power for compact systems. It measures 3.35 by 2.56 by 6.89 inches and weighs 3.09 pounds. The black unit fits standard TFX cases. You get a stable power source for small form factor builds. It serves as a direct replacement for older units in space-constrained desktops.
Pros
- TFX form factor for compact cases
- Compact dimensions of 3.35 x 2.56 x 6.89 inches
- Black finish matches most chassis
- Weight of 3.09 pounds
Cons
- Lower wattage than 500W alternatives on this list
- No 80 Plus efficiency rating listed in data
- Fixed cable configuration implied by lack of modular data
Good fit if
- You need a direct TFX replacement for older systems
- You have a small form factor case with space constraints
- You prioritize brand reliability over high wattage
Skip if
- You require high wattage for power-hungry components
- You need 80 Plus Gold efficiency ratings
- You want modular cable management
Verdict: Be Quiet! 300W TFX Power Supply fits users needing a compact, reliable replacement for legacy small form factor systems. It suits builds where space is tight and power demands are moderate.
Yosoo Health Gear LCD Power Supply Tester
Best for: Verifying TFX power supply outputs and detecting defects
- Form Factor
- TFX
- Display Type
- LCD Display
- Dimensions
- 3.94 × 1.97 × 0.79 inches
- Weight
- 2.82 ounces
This device is a power supply tester designed for ATX, BTX, ITX, and TFX units. It connects to 20 or 24-pin connectors to verify output stability. The LCD display shows voltage and PG values for easy reading. A buzzer alarms if defects are detected. It measures various connectors like SATA and IDE. This tool helps you inspect power supplies safely and prevent damage to your computer components.
Pros
- LCD display for clear voltage and PG value readings
- Buzzer alarm for immediate defect detection
- Compatible with 20/24-pin ATX, BTX, ITX, and TFX supplies
- Measures SATA, IDE, and other connector outputs
Cons
- Limited to testing power supply outputs only
- Does not measure external power delivery for all connectors
- No built-in power regulation or charging capabilities
Good fit if
- You need to verify TFX power supply outputs
- You want to detect voltage defects before installation
- You require a simple inspection tool for maintenance
Skip if
- You need a power supply unit for a computer
- You want to replace a broken power supply
- You require a device that provides power to components
Verdict: Yosoo Health Gear TFX Power Supply Tester is a practical inspection tool for verifying TFX power supply outputs. It fits technicians who need to check voltage stability and detect defects before installation.
Specifications side by side
| Spec | MAXROB 250W TFX Power Supply | BackPlanePro 300W TFX Power Supply | Apevia 300W TFX Power Supply | Lenovo ThinkCentre 210W TFX Power Supply | SilverStone 500W Gold TFX Power Supply | Be Quiet! TFX Power 3 TFX Power Supply | Yosoo Health Gear LCD Power Supply Tester |
|---|---|---|---|---|---|---|---|
| Wattage | 250W | 300W | 300W | 210W | 500W | not specified | not specified |
| Efficiency Rating | not specified | not specified | not specified | not specified | 80 PLUS Gold | not specified | not specified |
| Modularity | not specified | not specified | not specified | not specified | Fixed Cable | not specified | not specified |
| Fan Size | not specified | 80mm | 80mm | not specified | 80mm | not specified | not specified |
| Warranty | not specified | One Year | not specified | not specified | not specified | not specified | not specified |
| Form Factor | TFX | TFX | TFX | TFX | TFX | TFX | TFX |
| Size | not specified | not specified | TFX 300W | not specified | 500W | not specified | not specified |
| Display Type | not specified | not specified | not specified | not specified | not specified | not specified | LCD Display |
| Dimensions | not specified | 6.89 × 2.56 × 3.35 inches | 6.75 × 3.23 × 2.5 inches | 1.1 × 9.7 × 6.5 inches | 6.9 × 3.4 × 2.6 inches | 6.89 × 3.35 × 2.56 inches | 3.94 × 1.97 × 0.79 inches |
| Weight | not specified | 3 pounds | 2.1 pounds | not specified | not specified | 3.09 pounds | 2.82 ounces |
| Model | FSP250-50SAV(PF) TFX 250W | LYSB00CXAUQJK-CMPTRACCS | TFX-AP300W | 7823903000 | SST-TX500-G | BN323 | not specified |
| Color | not specified | Grey | Black | not specified | black (lead-free paint) | Black | Black |
Frequently asked questions
Is the MAXROB 250W TFX a direct replacement for FSP units?
Yes, the MAXROB 250W TFX is designed as a practical replacement for older FSP TFX units. It shares the same TFX form factor, ensuring it fits in compatible compact cases. The model number FSP250-50SAV(PF) indicates its lineage, making it a straightforward swap for users upgrading legacy systems without changing their chassis.
What is the best budget TFX power supply for Dell Inspiron replacements?
The BackPlanePro 300W TFX Power Supply is the best budget option for Dell Inspiron 530s or 531s replacements. It provides 300 watts of power and includes Active PFC for better efficiency. Its dimensions are 2.56 by 3.35 by 6.89 inches, fitting standard TFX mounting points while offering more wattage than the original 250W units.
Which TFX PSU offers the highest efficiency rating?
The SilverStone 500W Gold TFX Power Supply holds the best efficiency rating with an 80 Plus Gold certification. This model delivers 500 watts of power, providing significant headroom for higher-end components in compact builds. It measures 3.4 by 2.6 by 6.9 inches and uses lead-free paint, combining high performance with environmental considerations.
Can I use a TFX power supply tester to check for defects?
Yes, the Yosoo Health Gear LCD Power Supply Tester is designed to verify TFX outputs and detect defects before installation. It features an LCD display to show voltage stability, which helps technicians ensure the unit is safe to use. This tool is essential for inspecting used or replacement units to avoid installing faulty hardware.
Is there a TFX option for Lenovo ThinkCentre desktops?
The Lenovo ThinkCentre 210W TFX Power Supply is a specialized unit for ThinkCentre owners. It fits small cases but offers lower power and efficiency compared to other alternatives. The model 7823903000 is intended for specific OEM replacements, making it suitable only if you need an exact match for your existing ThinkCentre system.
What is the smallest TFX power supply available?
The MAXROB 250W TFX Power Supply is a compact option for low-power builds. It fits users needing a standard TFX footprint without excessive bulk. While not the absolute smallest in physical dimensions compared to some OEM units, it provides a balanced size for general compact PC cases requiring 250 watts of reliable power.
How does the Apevia 300W compare to the MAXROB in size?
The Apevia 300W TFX Power Supply measures 3.23 by 2.5 by 6.75 inches. It is slightly wider than the MAXROB unit but offers 50 more watts of power. This makes it a suitable alternative for compact systems that can accommodate its specific dimensions while needing a bit more energy headroom for components.