Apevia SFX-AP500W Mini ITX Solution/Micro Alternatives: 6 Similar Picks Compared
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The Apevia SFX-AP500W Mini ITX Solution/Micro Alternatives list helps you find compatible power supplies if this unit does not fit your specific needs. This 500W SFX power supply offers compact dimensions of 4.92 by 3.94 by 2.5 inches and includes essential split connectors for motherboards and graphics cards. It serves as a straightforward option for small form factor builds that require basic connectivity without modular cabling.
You might look elsewhere for different wattage, efficiency ratings, or physical sizes. For instance, some users need silent operation, while others prefer higher efficiency or full modularity for cleaner cable management. The 6 alternatives in this guide were selected because their published specifications overlap with the original unit. This ensures you can compare actual data points like size, connector types, and power output directly. You can evaluate each option based on your case constraints and hardware requirements without guessing about compatibility.
Our top pick: Apevia SFX 500W Small Form Factor Power Supply.
How alternatives compare to Apevia
FSP 220W Mini ITX PSU
The FSP 220W Mini ITX PSU targets low-power builds where space is extremely tight. It measures 5.9 by 3.2 by 1.6 inches, which is significantly thinner than the Apevia’s 2.5-inch height. You trade 280 watts of power for this reduced footprint. It includes active power factor correction for better electrical efficiency. This unit suits compact systems with integrated graphics or weak CPUs. It lacks PCIe connectors for dedicated graphics cards. Choose this if your chassis cannot accommodate the Apevia’s height or if you do not need high wattage for gaming components.
Apevia SFX 400W Power Supply
The Apevia SFX 400W Power Supply shares the same brand and Mini ITX form factor but delivers less power. It offers 400W compared to the original’s 500W. Its dimensions are 5 by 4 by 2.5 inches, matching the Apevia’s height and width closely. It features a single 28A 12V rail and a 6/8-pin PCIe connector. This makes it suitable for modest dedicated graphics cards. You save a small amount of power capacity. Pick this alternative if your system draws less than 400W and you prefer a slightly shorter length than the 4.92-inch Apevia unit.
RGEEK Mini ITX DC to DC ATX Power Supply
The RGEEK Mini ITX DC to DC ATX Power Supply uses a 300W DC-to-DC conversion design. It weighs only 6.38 ounces, making it far lighter than the Apevia’s metal chassis. It is designed for tight, low-power Mini ITX installations. You give up the standard AC input and higher wattage for extreme compactness. This unit is ideal for fanless or ultra-small enclosures where weight and size are critical. It does not support high-end graphics cards. Select this if your build requires minimal power and you prioritize the smallest possible physical profile over raw wattage.
FOSA 350W Fanless Mini ITX DC Power Supply
The FOSA 350W Fanless Mini ITX DC Power Supply provides silent operation with 85%+ efficiency. It measures 6.06 by 1.38 by 0.79 inches, which is much thinner than the Apevia’s 2.5-inch height. It offers 350W of power, which is lower than the 500W Apevia. This unit is best for silent, low-profile Mini ITX PC builds. You lose the ability to power high-draw components. Choose this alternative if you need zero noise from the power supply and your hardware stays under 350W. It fits cases that cannot accommodate standard fan-cooled SFX dimensions.
be quiet! SFX L 600W Gold Modular Power Supply
The be quiet! SFX L 600W Gold Modular Power Supply delivers 600W with 80 Plus Gold efficiency. It is fully modular, unlike the fixed cables on the Apevia. Its length is 5.12 inches, slightly longer than the Apevia’s 4.92 inches. It includes four PCIe connectors for multiple graphics cards. You gain more power, better efficiency, and cable management flexibility. This unit is ideal for Mini ITX gaming builds requiring modular cabling. Pick this if your chassis supports SFX-L dimensions and you need higher wattage for powerful GPUs.
T.F.SKYWINDINTL 600W Fully Modular Flex ATX PSU
The T.F.SKYWINDINTL 600W Fully Modular Flex ATX PSU offers a slim 1U footprint measuring 6.5 by 3.27 by 1.57 inches. It provides 600W with full cable modularity. This is significantly thinner than the Apevia’s 2.5-inch height. It is designed for dense Mini-ITX and 1U server builds. You gain high wattage and a low profile suitable for tight server enclosures. This unit provides solid electrical protection where standard power supplies will not fit. Choose this if you need a low-height power supply for a 1U case or a very dense Mini-ITX build requiring full modularity.
Quick picks
Our 7 picks
Apevia SFX 500W Small Form Factor Power Supply
Best for: compact single-GPU Mini-ITX and SFX desktop builds
- Wattage
- 500W
- PCIe Connector Type
- 6+2 pin
- Form Factor
- Mini ITX
- Dimensions
- 4.92 × 3.94 × 2.5 inches
View on Amazon: Apevia SFX 500W Small Form Factor Power Supply
The Apevia 500W SFX Power Supply provides 500 watts of output in a compact 4.9 by 3.94 by 2.5 inch footprint. It fits Mini-ITX, Micro ATX, and SFX enclosures, offering split 20+4 pin motherboard, 4+4 pin CPU, and 6+2 pin PCIe connectors alongside three SATA ports. If you build a compact small-form-factor desktop that needs dedicated graphics card power without exceeding half a kilowatt, this unit meets your basic physical and electrical requirements.
Pros
- 500W power output suited for small-form-factor builds
- Compact dimensions of 125mm x 100mm x 63.5mm
- Split connectors include 20+4 pin main, 4+4 pin CPU, and 6+2 pin PCIe
- Includes three SATA and two 4-pin Molex power plugs
Cons
- Provides only a single 6+2 pin PCIe connector
- No 80 Plus efficiency certification listed in specifications
Good fit if
- You need a compact 500W power unit for an SFX or Mini-ITX case.
- You run a graphics card requiring only one 6-pin or 8-pin PCIe power lead.
- You want split connectors for broader motherboard compatibility.
Skip if
- You run high-draw graphics cards requiring multiple PCIe power connectors.
- You require a power supply with a verified 80 Plus efficiency rating.
Verdict: Apevia 500W SFX Power Supply delivers 500 watts with essential split connectors for Mini-ITX and SFX enclosures. It serves as a straightforward power solution for small systems that do not require dual graphics card cables.
FSP 220W Mini ITX PSU
Best for: Low-power Mini ITX builds
- Form Factor
- Mini ITX
- Power Factor Correction
- Active PFC
- Dimensions
- 5.9 × 1.6 × 3.2 inches
- Weight
- 1.8 pounds
This FSP unit delivers 220 watts of continuous power in a compact Mini ITX form factor. It features Active PFC for stable input voltage and carries 80 PLUS certification for efficiency. The 40mm fan links directly to thermal controls to manage heat. At 1.8 pounds, it is a lightweight option for small builds. It supports both AMD and Intel CPUs. You should consider this if you need a reliable, certified source for low-power systems.
Pros
- 220-watt continuous output
- 80 PLUS certified efficiency
- Active PFC support
- Compact 1.6-inch height
Cons
- Low 220W limit restricts high-power components
- Includes a 40mm fan, not fanless
- Non-modular cable management
Good fit if
- You are building a low-power Mini ITX system
- You need 80 PLUS certified efficiency
- You require Active PFC for unstable input
Skip if
- You need more than 220 watts
- You want a silent fanless design
- You require fully modular cables
Verdict: FSP 220W Mini ITX PSU fits users needing certified efficiency in a tiny chassis. It suits low-power AMD or Intel builds where space is tight.
Apevia SFX 400W Power Supply
Best for: compact builds with modest dedicated graphics
- Wattage
- 400W
- PCIe Connector Type
- 6/8pin
- Fan Size
- 80mm
- Form Factor
- Mini ITX
- Dimensions
- 5 × 4 × 2.5 inches
- Weight
- 2.03 pounds
This Apevia 400W Mini ITX SFX Power Supply provides compact system power with a dedicated single 12V rail delivering 28A. It features an 80mm thermal-sensing cooling fan, sleeved cabling, and standard SFX dimensions measuring 4.92 by 3.94 by 2.5 inches. You get one 6/8-pin PCIe connector alongside two SATA connectors. It suits small-form-factor builds and low-draw desktop replacements that need basic dedicated graphics support.
Pros
- Includes an 80mm thermal-sensing cooling fan
- Single +12V rail delivers 28A output
- Features fully sleeved cables
- Provides one 6/8-pin PCIe power connector
Cons
- Limited to two SATA power connectors
- Uses a 4-pin CPU power lead rather than an 8-pin connector
Good fit if
- You need a compact 400W SFX power supply for a Mini ITX or Micro ATX chassis.
- You run an entry-level graphics card requiring a single 6-pin or 8-pin PCIe lead.
Skip if
- You require more than two SATA storage drives.
- You run a motherboard requiring an 8-pin EPS CPU power connector.
Verdict: Apevia 400W Mini ITX SFX Power Supply delivers 400W of compact cooling-managed power for space-constrained cases. Its single 28A 12V rail and 6/8-pin PCIe lead make it a capable solution for modest builds.
RGEEK Mini ITX DC to DC ATX Power Supply
Best for: compact low-power 12V Mini ITX setups
- Wattage
- 300W
- Form Factor
- Mini ITX
- Weight
- 6.38 ounces
This RGEEK unit is a 300W DC-to-DC Mini ITX power supply designed for ultra-small computers. It plugs directly into a 24-pin motherboard header and weighs 6.38 ounces. You feed it with an external 11.2V to 12.6V DC source through a 5.5mm by 2.5mm connector. It suits you if you assemble a very low-power compact chassis and prefer to keep internal power hardware and heat minimal.
Pros
- Provides up to 300W total capacity
- Lightweight board weighs 6.38 ounces
- Features output shutdown for over-current and short-circuit protection
- Includes defensive functions for +3.3V, +12V, +5V, and +5V SB rails
Cons
- Requires an external 11.2V to 12.6V DC power brick
- Restricted to a 5.5mm outer and 2.5mm inner diameter DC input jack
- Limits system power draw to 300W peak
Good fit if
- You build an ultra-compact Mini ITX PC using an external 12V DC adapter.
- You need a lightweight 6.38-ounce unit to save chassis room.
- You run modest hardware with power requirements well under 300W.
Skip if
- You want direct AC wall power without an external power brick.
- You need more than 300W to power dedicated desktop hardware.
Verdict: RGEEK 300W Pico Mini ITX Power Supply delivers compact DC-to-DC conversion for tight, low-power Mini ITX installations.
FOSA 350W Fanless Mini ITX DC Power Supply
Best for: silent, low-profile Mini ITX PC builds
- Wattage
- 350W
- Form Factor
- Mini ITX
- Dimensions
- 6.06 × 1.38 × 0.79 inches
- Weight
- 7.88 ounces
This FOSA unit is an ultra-compact DC power supply engineered for mini ITX systems. It delivers 350W of power with an efficiency rating of 85% or higher. Measuring 6.06 inches long, 1.38 inches wide, and 0.79 inches high, it fits into tight spaces without a cooling fan, ensuring silent operation. You will find it ideal if you need a zero-noise power solution for compact office PCs or home theater setups.
Pros
- Fanless design delivers completely silent operation
- Delivers 350W output with 85%+ efficiency
- Compact dimensions of 6.06 by 1.38 by 0.79 inches
- Built-in overvoltage and short-circuit protection
Cons
- 350W output limits high-draw hardware configurations
- Operating temperature is restricted to 0°C through 40°C
Good fit if
- You need completely silent, fanless power delivery for your Mini ITX PC
- You are building a low-profile chassis with strict clearance limits
- You want built-in protection against overvoltage and short circuits
Skip if
- You need more than 350W of power for your hardware
- You operate your system in ambient temperatures above 40°C
Verdict: FOSA 350W Fanless Mini ITX DC Power Supply provides completely silent operation and 85%+ efficiency for small-footprint builds. It serves as a compact alternative when your hardware does not exceed 350W.
be quiet! SFX L 600W Gold Modular Power Supply
Best for: Mini ITX gaming builds requiring modular cabling
- Wattage
- 600W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Modular
- Fan Size
- 120mm
- Warranty
- 3-Year
- Form Factor
- Mini ITX
View on Amazon: be quiet! SFX L 600W Gold Modular Power Supply
This be quiet! SFX-L unit delivers 600W of continuous power with 80 Plus Gold efficiency. It features modular cabling, LLC and DC-to-DC conversion, and a temperature-controlled 120mm fan. You get four PCIe connectors for graphics cards along with an included SFX-to-ATX adapter bracket. It suits your compact gaming build if your Mini ITX chassis accommodates its 5.12-inch depth and you need clean cable management.
Pros
- 80 Plus Gold certified efficiency up to 92%
- Four PCIe connectors for multi-GPU setups
- Modular cable design for flexible routing
- Temperature-controlled 120mm cooling fan
- Includes SFX-to-ATX adapter bracket
Cons
- Longer 5.12-inch depth requires clearance beyond standard SFX dimensions
- Coverage limited to a 3-year manufacturer warranty
Good fit if
- You need 600W with four PCIe connectors for a dedicated graphics card setup.
- You want modular cables to reduce wire clutter inside your Mini ITX case.
- You have space for a 5.12-inch deep SFX-L chassis.
Skip if
- You have an ultra-compact enclosure restricted strictly to standard SFX dimensions.
- You require more than 600W of total power for higher-tier hardware.
Verdict: be quiet! SFX L 600W Modular PSU delivers 80 Plus Gold efficiency and modular cabling with four PCIe connectors for compact gaming systems. Its 5.12-inch length requires a chassis that supports SFX-L dimensions.
T.F.SKYWINDINTL 600W Fully Modular Flex ATX PSU
Best for: dense Mini-ITX and 1U server builds
- Wattage
- 600W
- Modularity
- Fully Modular
- Form Factor
- Mini ITX
- Dimensions
- 6.5 × 3.27 × 1.57 inches
- Weight
- 2.47 pounds
View on Amazon: T.F.SKYWINDINTL 600W Fully Modular Flex ATX PSU
This 600W Flex ATX unit from T.F.SKYWINDINTL delivers compact power in a 1U form factor measuring 165 by 83 by 40 mm. Its fully modular cabling lets you attach only the leads your Mini-ITX build requires, which helps manage airflow in cramped cases. Built with 100% Japanese capacitors, a DC-to-DC design, and active PFC, it suits high-density Mini-ITX desktops, POS systems, or small home servers needing high 1U wattage.
Pros
- Fully modular cable design to minimize internal clutter
- Delivers 600W in a compact 165 x 83 x 40 mm 1U footprint
- Built with 100% Japanese capacitors and DC-DC architecture
- Full protection suite including OVP, UVP, OCP, OPP, SCP, and OTP
Cons
- No official 80 Plus efficiency certification listed
- Restricted to using only the packaged modular cables
Good fit if
- You need 600W of power inside a 1U Flex ATX chassis.
- You want fully modular cables to maximize airflow in tight enclosures.
- You require wide-range 100-240V AC input support.
Skip if
- You need an SFX or standard ATX form factor mounting size.
- You plan to use custom third-party modular cables.
Verdict: T.F.SKYWINDINTL Flex ATX 600W Fully Modular PSU packs high wattage and full cable modularity into a slim 1U footprint. It gives tight Mini-ITX and server enclosures solid electrical protection where standard power supplies will not fit.
Specifications side by side
| Spec | Apevia SFX 500W Small Form Factor Power Supply | FSP 220W Mini ITX PSU | Apevia SFX 400W Power Supply | RGEEK Mini ITX DC to DC ATX Power Supply | FOSA 350W Fanless Mini ITX DC Power Supply | be quiet! SFX L 600W Gold Modular Power Supply | T.F.SKYWINDINTL 600W Fully Modular Flex ATX PSU |
|---|---|---|---|---|---|---|---|
| Wattage | 500W | not specified | 400W | 300W | 350W | 600W | 600W |
| Efficiency Rating | not specified | not specified | not specified | not specified | not specified | 80 PLUS Gold | not specified |
| Modularity | not specified | not specified | not specified | not specified | not specified | Modular | Fully Modular |
| PCIe Connector Type | 6+2 pin | not specified | 6/8pin | not specified | not specified | not specified | not specified |
| Fan Size | not specified | not specified | 80mm | not specified | not specified | 120mm | not specified |
| Warranty | not specified | not specified | not specified | not specified | not specified | 3-Year | not specified |
| Form Factor | Mini ITX | Mini ITX | Mini ITX | Mini ITX | Mini ITX | Mini ITX | Mini ITX |
| Recommended Use | not specified | not specified | not specified | not specified | not specified | Gaming | not specified |
| Power Factor Correction | not specified | Active PFC | not specified | not specified | not specified | not specified | not specified |
| Dimensions | 4.92 × 3.94 × 2.5 inches | 5.9 × 1.6 × 3.2 inches | 5 × 4 × 2.5 inches | not specified | 6.06 × 1.38 × 0.79 inches | 5.12 × 4.92 × 2.52 inches | 6.5 × 3.27 × 1.57 inches |
| Weight | not specified | 1.8 pounds | 2.03 pounds | 6.38 ounces | 7.88 ounces | 2.56 pounds | 2.47 pounds |
| Model | SFX-AP500W | FSP220-60LE(80) | SFX-AP400W | LR1106-250W12VDC | not specified | BN639 | TF600 |
| Color | not specified | not specified | not specified | not specified | default | Black | black |
| Size | not specified | not specified | not specified | not specified | not specified | 600W | 165*83*40mm |
Frequently asked questions
What is the difference between SFX and SFX-L form factors?
SFX-L units are longer than standard SFX power supplies. The Apevia SFX-AP500W measures 4.92 inches in length, fitting standard SFX cases. The be quiet! SFX L 600W extends to 5.12 inches. You must check your case dimensions to ensure compatibility with the longer SFX-L design.
Can I use a Flex ATX power supply in a Mini ITX case?
Yes, Flex ATX units fit many Mini ITX enclosures. The T.F.SKYWINDINTL 600W offers a 1U footprint with full modularity. Its dimensions are 3.27 by 1.57 by 6.5 inches. This slim profile suits dense builds where standard SFX units are too bulky or incompatible.
Which power supply is best for silent Mini ITX builds?
The FOSA 350W Fanless Mini ITX DC Power Supply provides completely silent operation. It lacks a fan, relying on passive cooling for efficiency. This unit measures 1.38 by 0.79 by 6.06 inches. It is ideal for low-profile builds where noise is a primary concern.
Do I need a modular power supply for Mini ITX?
Modularity helps manage cable clutter in small cases. The be quiet! SFX L 600W and T.F.SKYWINDINTL 600W are fully modular. The Apevia SFX-AP500W uses essential split connectors instead. You choose based on whether you prefer customizable cabling or a simpler, fixed-connector setup.
Is the RGEEK PSU suitable for standard AC mains?
No, the RGEEK Mini ITX DC to DC ATX Power Supply is a DC unit. It converts DC input to ATX outputs for tight, low-power setups. It weighs only 6.38 ounces. It is not designed for standard wall outlets but for specialized DC power environments.
What wattage is sufficient for a compact single-GPU build?
The Apevia SFX 500W delivers 500 watts for compact single-GPU builds. It serves systems that do not require dual graphics card cables. The Apevia SFX 400W offers 400W for modest dedicated graphics. Both provide essential power for space-constrained cases with single PCIe connector needs.