SilverStone TX700-G 700W TFX Power Supply

SilverStone TX700-G 700W TFX Power Supply — image 1
SilverStone TX700-G 700W TFX Power Supply — image 2
SilverStone TX700-G 700W TFX Power Supply — image 3
SilverStone TX700-G 700W TFX Power Supply — image 4
SilverStone TX700-G 700W TFX Power Supply — image 5
SilverStone TX700-G 700W TFX Power Supply — image 6
81%
19%
93%
Power Output Reliability
91%
Noise Level
88%
Thermal Performance
89%
Build Quality
87%
Efficiency (80 Plus Gold)
63%
Cable Length & Routing
71%
Connector Variety
84%
Form Factor Compatibility
86%
Protection Circuitry
68%
Value for Money
79%
Installation Experience
82%
Long-Term Reliability
76%
Fan Durability
More

Overview

The SilverStone TX700-G 700W TFX Power Supply exists to solve a real problem: most TFX units max out around 500W, leaving small form factor builders with few options when they want to pair a capable GPU with a compact chassis. This compact PSU fills that gap in a meaningful way. SilverStone has earned a solid reputation in the SFF community over the years, and this unit reflects that experience — designed for builders who refuse to sacrifice performance just because their case is small. The 80 Plus Gold efficiency rating matters here too; in a tight enclosure, every watt of wasted heat compounds into a real thermal headache.

Features & Benefits

What sets this TFX power supply apart starts with the power rating itself — 700W continuous at 50°C, not peak. That distinction matters when your system runs hot during long gaming sessions or rendering tasks. The 80 Plus Gold certification means less wasted energy, which translates to cooler thermals inside an already cramped chassis. The 80mm fan runs at a minimum of 18 dBA — genuinely quiet, and especially welcome in living room or office setups. Standard TFX dimensions keep compatibility broad across most TFX-compatible cases. Fixed cables cut clutter but limit flexibility if cable routing is tight. Multiple protection circuits — covering over-voltage, over-current, and short-circuit scenarios — round out the safety side for always-on builds.

Best For

This compact PSU is purpose-built for a specific kind of builder — someone squeezing real performance into a small chassis. It is the natural upgrade for HTPCs and mini-towers where a standard 500W TFX unit cannot keep pace with a discrete GPU. Living room and home office setups will appreciate how little noise it produces at idle or light load. It also holds up well for 24/7 workloads — light servers, always-on media PCs, or anything that needs to run reliably around the clock. If you are an enthusiast who will not settle for budget-tier components just because your case is small, this unit fits the bill.

User Feedback

With around 57 ratings and a 4.3-star average, the sample is modest but the sentiment is fairly consistent. Quiet operation is the most praised aspect — multiple buyers specifically called out how much quieter this runs compared to other TFX units they have used. Long-term reliability under sustained GPU loads also comes up positively, with several users reporting stable performance over extended periods. On the critical side, some buyers noted that the fixed cable lengths can be awkward in certain chassis configurations, and a few wished for more connector variety. Build quality earns consistent approval. There are minimal compatibility complaints, though it is worth confirming your case's TFX clearance before ordering.

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Pros

  • Delivers a full 700W continuously at 50°C — not a peak or burst figure that fades under load.
  • One of the only TFX units on the market that can comfortably support a mid-range discrete GPU.
  • 80 Plus Gold efficiency reduces wasted heat, which matters significantly inside compact, airflow-limited cases.
  • The 80mm fan runs at a minimum of 18 dBA — genuinely quiet during light and moderate workloads.
  • Multiple protection circuits guard against over-voltage, over-current, and short-circuit events.
  • Standard TFX dimensions make it a straightforward physical swap in most TFX-compatible chassis.
  • Build quality earns consistent praise — connectors feel solid and the unit arrives well-packaged.
  • Well-suited for 24/7 operation, making it a reliable choice for always-on media PCs and light servers.
  • SilverStone's documentation is clear and installation is approachable even for first-time SFF builders.

Cons

  • Fixed cables cannot be swapped out, making routing awkward in non-standard or unusually compact chassis layouts.
  • Connector selection is limited — users with multiple storage drives or specific peripheral needs may require adapters.
  • The fan audibly spins up under heavy sustained GPU load, which is noticeable in otherwise quiet environments.
  • Review count remains modest, so long-term reliability data is still accumulating compared to mainstream PSU options.
  • Premium pricing is hard to justify if your actual power draw does not approach 700W.
  • Very little wattage headroom for builders planning near-maximum load configurations on an ongoing basis.
  • No semi-passive or zero-RPM mode, so the fan runs continuously even at very low loads.
  • Cable lengths may not suit every TFX chassis orientation, and extensions add clutter in already tight spaces.

Ratings

The SilverStone TX700-G 700W TFX Power Supply scores below were generated by our AI engine after systematically analyzing verified buyer reviews from multiple global marketplaces, filtering out incentivized submissions and duplicate accounts. The SilverStone TX700-G sits in a narrow but competitive niche, and these ratings reflect both what this compact PSU genuinely does well and the real-world friction points that buyers have encountered — nothing is glossed over.

Power Output Reliability
93%
Buyers running discrete GPUs in tight TFX cases consistently report that this compact PSU holds steady under sustained load without throttling or shutting down unexpectedly. The 700W continuous-at-50°C rating is not a marketing claim here — users doing long gaming sessions back it up.
A small number of users noted that certain high-draw GPU configurations pushed the unit close to its rated limits, leaving less headroom than expected. For those planning to run near-maximum wattage regularly, the buffer can feel thinner than comfortable.
Noise Level
91%
The 80mm fan running at a minimum of 18 dBA makes this one of the quietest TFX units on the market according to buyers who have owned multiple competing models. Living room and home office users specifically called out how unobtrusive it is during light workloads and media playback.
Under heavy sustained load the fan does spin up noticeably, and in an open or thin-walled mini-tower that ramp can be heard. It is not loud by any standard, but buyers expecting near-silent behavior at full GPU load should temper expectations slightly.
Thermal Performance
88%
The 80 Plus Gold efficiency rating keeps heat generation lower than bronze or unrated alternatives, which matters significantly inside compact chassis where airflow is restricted. Several users running always-on setups noted that their case temperatures stayed manageable compared to their previous PSU.
In particularly cramped cases with poor ambient airflow, some buyers reported that the unit ran noticeably warm to the touch after extended sessions. It handles heat well by TFX standards, but the form factor itself is inherently limiting when cooling headroom is minimal.
Build Quality
89%
The unit feels solid and well-constructed — buyers consistently praised the finish, the weight, and the quality of the connectors. SilverStone's packaging also earned positive mentions, arriving well-protected and with clear documentation that made installation straightforward.
A couple of buyers pointed out that the paint finish showed minor scuff marks during installation in tight chassis, which is more a handling concern than a structural one. Nothing reported suggests quality control issues, but cosmetic durability in cramped installs is worth noting.
Efficiency (80 Plus Gold)
87%
Operating at Gold-level efficiency means the unit wastes less energy as heat across typical load ranges, which translates to slightly lower electricity draw over time — a real benefit for always-on media PCs or light servers running 24/7. Buyers in this use case appreciated the long-term running cost implications.
For users doing only intermittent, light-load tasks, the efficiency advantage over a Silver-rated unit is marginal and may not justify the premium on its own. Gold certification is most impactful under moderate to heavy sustained loads, which not every buyer actually encounters.
Cable Length & Routing
63%
37%
Fixed cables do reduce connector bulk in builds where modular connectors would create unnecessary clutter, and several buyers in compact, cable-managed setups appreciated the cleaner result. For straightforward TFX chassis with standard layout, the included cable lengths are adequate.
Fixed cables are a genuine trade-off, and a recurring complaint involves the lengths not suiting every TFX chassis equally well — particularly in builds where the PSU is mounted in a non-standard orientation. Unlike modular designs, there is no remedy short of extensions, which add their own clutter.
Connector Variety
71%
29%
The inclusion of a PCI Express connector is a meaningful addition for a TFX unit, allowing users to connect entry-to-mid-range discrete GPUs without adapters. For typical HTPC or compact gaming builds, the connector set covers most common configurations adequately.
Users with more demanding connector needs — multiple storage drives, two GPU connectors, or specific peripheral headers — found the selection limiting. A few buyers had to source extensions or adapters to complete their builds, which added friction to what should be a straightforward installation.
Form Factor Compatibility
84%
Standard TFX dimensions mean this unit slots into any properly TFX-compliant chassis without modification. Buyers upgrading from lower-wattage TFX units found it to be a direct physical swap in most cases, which simplified the upgrade process considerably.
TFX is a niche form factor, and this unit will not fit ATX cases — that should be obvious but a handful of buyers did not verify compatibility before ordering. Always confirm your chassis specifically lists TFX support, not just SFX or Flex-ATX, before purchasing.
Protection Circuitry
86%
Over-voltage, under-voltage, over-current, and short-circuit protections are all present, which is particularly reassuring for builders running this unit in always-on scenarios or light server roles where an unexpected surge could be costly. Buyers running 24/7 workloads mentioned peace of mind as a genuine positive.
There are no specific user reports of protection circuits misbehaving, but the modest review count means long-term stress data is limited. Buyers planning mission-critical deployments may want to weight this uncertainty appropriately rather than assuming flawless behavior under all edge cases.
Value for Money
68%
32%
For the specific use case it targets — high-wattage TFX with Gold efficiency — there are very few competing options, which makes the pricing more defensible than it might initially appear. Buyers who understood the niche premium came away feeling the quality justified the spend.
For users who do not strictly need 700W in a TFX form factor, the cost is hard to rationalize against more affordable TFX options at 500W or below. The price is not unreasonable for what it delivers, but it is a premium that only makes sense for a specific kind of build.
Installation Experience
79%
21%
Buyers generally described the installation process as clean and well-supported by the included documentation. The unit's standard dimensions and clearly labeled connectors made the process approachable even for builders tackling their first TFX build.
Some users working in particularly tight or unconventional chassis configurations found the fixed cable management more time-consuming than anticipated. Routing cables in a small case always requires patience, and the non-modular design leaves less room for error or adjustment.
Long-Term Reliability
82%
18%
Among buyers who have owned the unit for a year or more, the general consensus is that it continues to perform consistently without degradation. For always-on or daily-use builds, the sustained reliability has been one of the more quietly appreciated attributes.
With just over 50 reviews at the time of analysis, long-term reliability data is still accumulating. The early signals are positive, but it would be premature to make strong claims about multi-year durability compared to PSUs with hundreds of long-term ownership reports.
Fan Durability
76%
24%
The 80mm fan has drawn no notable complaints in terms of bearing noise or premature failure within the ownership periods reflected in current reviews. Buyers running the unit in 24/7 scenarios have not flagged fan degradation as a concern so far.
Smaller fans inherently spin faster than larger ones to move equivalent air, which can mean more wear over a long lifespan. There is insufficient long-term review data to draw confident conclusions about multi-year fan durability under sustained high-load conditions.

Suitable for:

The SilverStone TX700-G 700W TFX Power Supply is purpose-built for a specific and underserved group: PC builders who need real performance inside a compact TFX chassis. If you are upgrading an HTPC or a slim mini-tower that originally shipped with a low-wattage PSU and you want to add a discrete GPU without switching cases, this compact PSU is one of the very few options that can actually deliver the headroom you need. Home office users and living room PC enthusiasts will appreciate how quietly it operates during everyday workloads — it is the kind of unit you genuinely forget is running. It also holds up well for always-on scenarios like lightweight home servers or media PCs that need to run reliably around the clock without thermal drama. Builders who care about efficiency and long-term running costs will find the 80 Plus Gold rating a practical advantage, not just a checkbox. If your priority is squeezing capable, reliable hardware into a small footprint without cutting corners on power quality, this TFX power supply makes a compelling case for itself.

Not suitable for:

The SilverStone TX700-G 700W TFX Power Supply is not a general-purpose recommendation, and for many buyers it would be the wrong tool entirely. If your case uses an ATX, SFX, or Flex-ATX power supply, this unit will not physically fit — TFX is a distinct form factor and compatibility must be confirmed before purchasing. Buyers on a tighter budget who only need 400W to 500W of power will find more cost-effective TFX options that cover their actual needs without the premium pricing this unit commands. If you require a modular cable system — common when routing cables through intricate custom layouts — the fixed cable design will cause frustration, and no amount of cable management will give you the flexibility that modular connectors provide. Users planning to run dual high-draw GPUs or extreme overclocking rigs will also find the headroom insufficient; this compact PSU is rated for capable single-GPU builds, not enthusiast-tier power demands. Finally, buyers who need years of established reliability data before committing should note that the review pool is still relatively small, so long-term ownership evidence is limited compared to more widely adopted ATX units.

Specifications

  • Form Factor: This unit follows the standard TFX form factor, making it compatible with cases that specifically designate TFX power supply support — not ATX, SFX, or Flex-ATX.
  • Dimensions: The unit measures 85mm (W) x 65mm (H) x 175mm (D), or approximately 3.35″ x 2.56″ x 6.89″.
  • Weight: The unit weighs 3.83 pounds, which is typical for a fully built TFX PSU at this wattage tier.
  • Output Wattage: Rated at 700W continuous output, measured at an operating temperature of 50°C for sustained real-world reliability.
  • Efficiency Rating: Carries 80 Plus Gold certification, indicating high efficiency across typical load ranges and reduced heat generation compared to Bronze or unrated units.
  • Fan Size: Equipped with a single 80mm cooling fan designed to balance airflow and acoustic performance within the TFX form factor constraints.
  • Noise Level: The fan is rated at a minimum of 18 dBA, making this one of the quieter TFX power supplies available at this wattage.
  • Cable Type: Uses a fixed, non-modular cable design — all cables are permanently attached and cannot be removed or swapped.
  • PCI Express Support: Includes at least one PCI Express connector, enabling use with entry-to-mid-range discrete graphics cards without requiring adapters.
  • Protection Circuits: Incorporates over-voltage protection (OVP), under-voltage protection (UVP), over-current protection (OCP), and short-circuit protection (SCP).
  • Operating Temp: Rated for continuous 700W output at 50°C ambient temperature, confirming suitability for sustained and thermally stressed operating environments.
  • Color & Finish: Finished in black using lead-free paint, meeting RoHS-aligned material standards for the external housing.
  • Manufacturer: Designed and manufactured by SilverStone Technology, a brand with an established track record in small form factor PC components.
  • Model Number: The official model designation is SST-TX700-G, which can be used to verify compatibility documentation and access SilverStone support resources.
  • Availability: This unit was first listed for sale in February 2021 and remains an active product in SilverStone's lineup.
  • Compatible Devices: Designed exclusively for use in desktop PCs housed in TFX-compatible cases; not intended for ATX, SFX, or laptop applications.
  • Fan Count: Contains exactly one fan for system cooling, consistent with the space constraints inherent to the TFX form factor.

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FAQ

It depends entirely on whether your specific case supports a TFX power supply. Mini-ITX is a motherboard standard, not a PSU standard — some mini-ITX cases use ATX, some use SFX, and some use TFX. Check your case manual or manufacturer specs page for the PSU form factor it accepts before ordering.

That depends on your components. If you are running a modern discrete GPU alongside a mid-range CPU, you can easily approach or exceed what a 500W TFX unit can safely deliver. The SilverStone TX700-G 700W TFX Power Supply gives you meaningful headroom in those builds, and for always-on scenarios the extra capacity also means the unit runs at a lower percentage of its rated load, which generally extends longevity.

No. TFX is a physically distinct form factor with different dimensions than ATX. This compact PSU will not mount correctly in a standard ATX case, and attempting to force-fit it would be unsafe. Only use it in a chassis that explicitly supports TFX power supplies.

At idle and light workloads it is impressively quiet — the 18 dBA minimum rating is noticeable compared to other TFX options. Under sustained heavy GPU load the fan does spin up and becomes audible, but it is not dramatically loud. In a typical home office or living room environment, it should not be distracting.

For most standard TFX chassis layouts, yes — but this is a legitimate concern worth checking. Because the cables are fixed and non-modular, you cannot swap in longer ones if they fall short. Look up build logs or forum threads for your specific case model to confirm others have had no routing issues before committing.

Yes, a single mid-range GPU in that class typically draws well under 200W, and paired with a modern CPU the total system draw usually stays comfortably below 500W. This TFX power supply handles that with headroom to spare, and the included PCIe connector covers standard single-GPU configurations without adapters.

It is actually a strong choice for that use case. The unit is rated for 24/7 operation, the 80 Plus Gold efficiency helps keep long-term electricity costs reasonable, and the protection circuits add a layer of safety for unattended operation. Just ensure your chassis has adequate ventilation for around-the-clock airflow.

The unit includes over-voltage, under-voltage, over-current, and short-circuit protection circuits. These are standard safeguards that cut power or limit output before damage can propagate to connected components. It does not, however, replace a quality surge protector or UPS in environments with unstable mains power.

The main practical differences are the wattage headroom for discrete GPUs and the Gold efficiency rating. Budget TFX units at 500W are typically Bronze-rated or unrated, which means more wasted heat in a space-limited case. If your build does not include a dedicated GPU and runs light workloads, the premium may not be justified. For GPU-equipped builds, the difference is significant.

SilverStone typically backs their power supplies with a multi-year warranty, but warranty terms can vary by region and retailer, so confirm the specific coverage for your purchase location directly with SilverStone or your seller. Their support reputation within the SFF community is generally positive, with accessible documentation and responsive service for registered products.

Where to Buy

Walmart
SilverStone TX700-G 700W TFX Power Supply
In stock $193.83
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Newegg.com
SilverStone TX700-G 700W TFX Power Supply
In stock $193.00
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eBay
SilverStone TX700-G 700W TFX Power Supply
In stock $209.00
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AVADirect Custom Computers
SilverStone TX700-G 700W TFX Power Supply
In stock $192.05
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