SilverStone 700W Platinum SFX Power Review: Who It Fits and Who Should Skip It
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This silverstone technology silverstone sx700 pt sfx review focuses on a compact unit built for small form factor builds. It delivers 700W of power in a tight SFX chassis. The listing highlights two defining specs: 80 PLUS Platinum efficiency certification and a 92mm FDB fan. These features target users who need high performance without excessive heat or noise. The design uses all Japanese capacitors for reliability. You get a single +12V rail for stable power delivery. This unit is strictly SFX, meaning it fits specific small cases without extra adapters.
What stands out
- 80 PLUS Platinum efficiency rating for reduced power waste
- 700W output on a single +12V rail
- 92mm FDB fan with silent 18 dBA minimum operation
- Compact SFX dimensions of 4.92 x 2.5 x 3.94 inches
Who it fits
Good fit for
You should consider this unit if you are building a small form factor PC that requires high efficiency and low noise. The 80 PLUS Platinum certification helps lower electricity costs over time. The silent fan is ideal for quiet workspaces or bedrooms. Users with mid-range GPUs that fit within 700W will find ample headroom. The compact size allows for installation in cases that only support SFX or SFX-L power supplies. It suits builders who prioritize reliability through Japanese capacitors.
Who should skip it
You should look elsewhere if your case requires a standard ATX power supply. This unit is strictly SFX and does not include the ATX adapter, which is sold separately. If you need more than 700W of power, this unit will not suffice for high-end gaming rigs. Users who prefer larger 120mm or 140mm fans for potentially even lower noise may find the 92mm fan less ideal. Additionally, if you require multiple +12V rails for specific legacy hardware compatibility, this single-rail design may not suit your needs.
Verdict: This is a solid choice for small form factor builds needing high efficiency and quiet operation. It fits well for users who value compact size and reliable power delivery.
SilverStone SX700-PT Key Specs
Wattage: 700W
This power output determines the maximum energy the unit supplies to your components. A 700W rating supports high-end graphics cards and processors without immediate strain. You should verify that your CPU and GPU combined draw less than this limit. This capacity suits mid-to-high performance builds. It provides headroom for system stability under load.
Efficiency Rating: 80 PLUS Platinum
This certification indicates the power supply converts AC power to DC with high effectiveness. Platinum level means less energy is lost as heat during conversion. You benefit from lower electricity bills and reduced thermal output inside your case. This spec helps you compare units for energy savings. Higher efficiency often correlates with better component quality and longer lifespan.
Fan Size: 92mm
The cooling fan diameter affects airflow and noise levels. A 92mm fan is smaller than standard ATX fans but sufficient for this compact chassis. You get adequate cooling for the internal components. Smaller fans can spin faster, potentially increasing noise. This size fits the SFX form factor constraints while maintaining necessary thermal management for the power supply.
Form Factor: SFX
SFX is a small physical size standard for power supplies. This allows installation in compact cases that do not support larger ATX units. You must ensure your case explicitly supports SFX dimensions. This form factor saves space for other components. It is essential for mini-ITX builds where interior volume is limited and every inch matters for component placement.
Design and Build Quality
According to the listing, the SilverStone SX700-PT adheres to the standard SFX form factor. Its physical dimensions are 4.92 inches in width, 2.5 inches in height, and 3.94 inches in length. This compact footprint allows installation in small form factor cases that support SFX units. If your case only accepts ATX sizes, you will need to purchase the PP08 adapter separately. The unit weighs 4.59 pounds, which is typical for a dense power supply of this class.
The build features all Japanese capacitors throughout. This component choice generally supports long-term reliability and stable voltage delivery under load. The listing highlights a class-leading single +12V rail. This layout simplifies wiring for modern components, as most power draw for CPUs and GPUs comes from this rail. You do not need to manage multiple rail limits.
Cooling is handled by a 92mm fan. The listing specifies it uses a Fluid Dynamic Bearing (FDB). This bearing type is noted for quieter operation and longer lifespan compared to sleeve bearing fans. The minimum noise level is listed at 18 dBA. This suggests silent running under low to moderate loads. The finish is not detailed in the provided data, so you should check images for color options. The design prioritizes efficiency and compactness over aesthetic customization.
Setup And Everyday Use
Installing this unit requires attention to form factor compatibility. The SilverStone SX700-PT uses the standard SFX dimensions. You must ensure your case supports SFX power supplies. If your chassis only accepts ATX units, you need the PP08 adapter, which is sold separately. This extra step adds complexity to the build process. You should check case specifications before purchasing to avoid hardware conflicts.
The physical size is 4.92 inches wide, 2.5 inches high, and 3.94 inches long. This compact footprint fits into tight spaces within small form factor cases. The weight is 4.59 pounds, which is manageable for most builders. Mounting screws align with standard SFX holes.
Daily operation centers on the 92mm FDB fan. The listing specifies a minimum noise level of 18 dBA. This suggests quiet performance under typical loads. The fan size is smaller than standard ATX units, so airflow dynamics differ. You should verify case airflow paths to ensure the fan operates efficiently.
Efficiency is handled by the 80 PLUS Platinum certification. This means less heat generation during daily tasks. You benefit from stable power delivery to your components. The single +12V rail simplifies wiring for high-draw GPUs. All Japanese capacitors contribute to long-term reliability. You can expect consistent performance without frequent maintenance or adjustments.
Before You Buy This Unit
Before you buy, verify your case supports the standard SFX form factor. The listing notes that ATX cases require the PP08 adapter, which is sold separately. You must account for this extra part and cost. This unit delivers 700W on a single +12V rail. Ensure your CPU and GPU combined draw does not exceed this limit. The 92mm FDB fan operates at 18 dBA. This low noise level suits quiet builds. All Japanese capacitors suggest stable performance under load. The 80 PLUS Platinum rating means high efficiency. This reduces heat and power waste. Compare this to other SFX options. If you need more than 700W, look elsewhere. If silence matters, this fan size helps. Keep the area clean. Dust can affect the 92mm fan. Regular maintenance keeps it running smoothly. This fits well in tight spaces where airflow is limited. It suits users who value efficiency and compact design. Check cable length if your case is deep. Short cables may not reach all components. Plan your build layout carefully.
Check before you buy
- Confirm your case supports SFX form factor
- Check if ATX adapter PP08 is needed
- Verify CPU and GPU draw stays under 700W
- Ensure case depth fits cable length
The product at a glance
SilverStone 700W Platinum SFX Power Supply
Best for: small form factor builds
- Wattage
- 700W
- Efficiency Rating
- 80 PLUS Platinum
- Fan Size
- 92mm
- Form Factor
- SFX
- Dimensions
- 3.94 × 4.92 × 2.5 inches
- Weight
- 4.59 pounds
View on Amazon: SilverStone 700W Platinum SFX Power Supply Affiliate link
This SilverStone unit delivers 700W of power in a compact SFX form factor. It holds 80 PLUS Platinum certification for high efficiency. A 92mm fluid dynamic bearing fan ensures silent operation at just 18 dBA. The design uses all Japanese capacitors for reliability. It features a strong single +12V rail. This power supply suits builders needing high performance in a small case.
Pros
- 80 PLUS Platinum efficiency rating
- 700W continuous power output
- 92mm FDB fan with 18 dBA noise level
- All Japanese capacitors for durability
Cons
- Standard SFX form factor requires ATX adapter for some cases
- Heavier build at 4.59 pounds
- Smaller 92mm fan size compared to standard ATX units
Good fit if
- You need high efficiency in a small form factor PC
- You want silent operation under load
- You are building a compact gaming or workstation rig
Skip if
- You require a standard ATX size without extra adapters
- You need more than 700W of power
- You prefer larger 120mm or 140mm fans for airflow
Verdict: SilverStone 700W SFX Platinum PSU offers reliable power for small cases. It fits users prioritizing efficiency and silence in a compact build.
Specifications side by side
| Spec | SilverStone 700W Platinum SFX Power Supply |
|---|---|
| Wattage | 700W |
| Efficiency Rating | 80 PLUS Platinum |
| Fan Size | 92mm |
| Form Factor | SFX |
| Dimensions | 3.94 × 4.92 × 2.5 inches |
| Weight | 4.59 pounds |
| Size | 700W |
| Model | SX700-PT |
Frequently asked questions
Is the SilverStone 700W Platinum suitable for high-end gaming rigs?
Yes, it provides 700W of power output. This capacity supports high-end graphics cards and processors without immediate strain. The 80 PLUS Platinum certification ensures efficient energy use. You should verify that your CPU and GPU combined draw less than this limit for stable performance.
Does this power supply fit in standard ATX cases?
No, it uses the compact SFX form factor. Standard ATX cases require the separate PP08 adapter for installation. You must account for this extra part when planning your build. Ensure your chassis supports SFX units or purchase the adapter to make it fit correctly.
How quiet is the SilverStone SX700-PT during operation?
It features a 92mm FDB fan for reliable cooling. The 80 PLUS Platinum efficiency rating reduces heat generation compared to lower-tier units. This combination helps maintain silence in compact builds. You benefit from reliable power delivery while minimizing noise output in your small form factor case.
What is the physical size of this SFX power supply?
The unit measures 4.92 inches in width, 2.5 inches in height, and 3.94 inches in length. It weighs 4.59 pounds. These dimensions adhere to the standard SFX chassis specifications. This compact footprint allows for installation in small form factor cases where space is limited.
Is the SilverStone 700W Platinum good for silent builds?
Yes, it prioritizes efficiency and silence in a compact design. The 80 PLUS Platinum certification ensures high energy efficiency. The 92mm FDB fan contributes to quiet operation. This unit fits users who prioritize low noise levels alongside reliable power delivery in small builds.
Can I use this PSU with a mini-ITX motherboard?
Yes, it is designed for small form factor builds. The SFX form factor is ideal for mini-ITX systems. It delivers 700W on a single +12V rail. You should verify that your case supports SFX power supplies to ensure proper fit and airflow for your components.