Thermaltake Toughpower SFX Platinum 850W
The current Thermaltake Toughpower SFX Platinum 850W price from retailers, its key specifications, and how it performs for each job.
Thermaltake · PSU · SFX
Retailer photo of Thermaltake Toughpower SFX Platinum 850W. View this offer in Where to buy
Works well for: Gaming PC, Small form factor, Workstation & 24/7
Trade-offs: you want strong value with Balanced priorities specifically
- Rated output
- 850 W
- 80 PLUS rating
- 80 PLUS Platinum
- Size
- SFX
- Modularity
- Fully modular
- ATX standard
- ATX 3.1
Move a slider and the page re-scores this product against the same market frame.
What does it cost today, and is that a good price?
Market confidence: LowAt CAD 291 the Thermaltake Toughpower SFX Platinum 850W is priced in line with its CAD 291 representative market level. Only one retailer currently backs that price, so the level is a single data point rather than a market.
Limited market: only one retailer currently has a verified offer, so treat this price as a single data point.
Prices & availability
Thermaltake Toughpower SFX Platinum 850W: current price and offers
Compare the offers we track for this model, across variants and retailers.
1 tracked offers · 1 retailers
| Variant | Store | Condition | Price (snapshot) | Value · Balanced | Checked | Offer link |
|---|---|---|---|---|---|---|
| Thermaltake Toughpower SFX Platinum 850W | Newegg | New | CAD 291 | 39 | 2026-11-08 | View offer → |
| Thermaltake Toughpower SFX Platinum 850WMultiple variants available | Amazon Affiliate | Varies | Find on Amazon | Not tracked | No price snapshot | Find on Amazon → |
Prices are dated snapshots, not live quotes — confirm the final price at the store. New, refurbished and used offers are listed separately; used offers carry warranty and seller risk.
Performance and where it ranks
Two different questions, side by side. Performance compares what the hardware can do; Value compares what that capability costs at today’s price. A product can rank high on one and low on the other — that gap is the point.
Performance Balanced
How much it can do. Price plays no part in this ranking.
#64 of 106 graded Power supplies
- #61 be quiet!be quiet! Pure Power 13 M 850W 43
- #62 CorsairCorsair RM850x 43
- #63 GigabyteGigabyte 850W GP-P850GM 43
- #64 ThermaltakeThermaltake Toughpower SFX Platinum 850W 43
- #65 NZXTNZXT C850 SFX Gold 43
- #66 be quiet!be quiet! Dark Power 14 850W 43
- #67 ASUSASUS 850W ROG LOKI Platinum 43
Value Balanced
How much of that you get for today’s price.
#76 of 107 currently priced Power supplies
- #73 ASUSASUS ROG LOKI SFX-L 1200W Titanium 41
- #74 GigabyteGigabyte 750W GP-UD750GM PG5 ICE 40
- #75 be quiet!be quiet! DARK POWER 14 1000W 40
- #76 ThermaltakeThermaltake Toughpower SFX Platinum 850W 39
- #77 NZXTNZXT C850 SFX Gold 38
- #78 Super FlowerSuper Flower Leadex VII Gold 1000W SF-1000F14XG 35
- #79 Super FlowerSuper Flower 1300W Leadex III Gold 35
Performance Gaming PC
How much it can do. Price plays no part in this ranking.
#64 of 106 graded Power supplies
- #61 be quiet!be quiet! Pure Power 13 M 850W 43
- #62 CorsairCorsair RM850x 43
- #63 GigabyteGigabyte 850W GP-P850GM 43
- #64 ThermaltakeThermaltake Toughpower SFX Platinum 850W 43
- #65 NZXTNZXT C850 SFX Gold 43
- #66 be quiet!be quiet! Dark Power 14 850W 43
- #67 ASUSASUS 850W ROG LOKI Platinum 43
Value Gaming PC
How much of that you get for today’s price.
#74 of 107 currently priced Power supplies
- #71 Super FlowerSuper Flower 650W Combat DB 40
- #72 be quiet!be quiet! Dark Power 14 850W 39
- #73 ThermaltakeThermaltake Toughpower GF A3 Gold 1050W 39
- #74 ThermaltakeThermaltake Toughpower SFX Platinum 850W 39
- #75 ASUSASUS ROG LOKI SFX-L 1200W Titanium 39
- #76 be quiet!be quiet! DARK POWER 14 1000W 38
- #77 NZXTNZXT C850 SFX Gold 38
Performance High-end GPU
How much it can do. Price plays no part in this ranking.
#64 of 106 graded Power supplies
- #61 be quiet!be quiet! Pure Power 13 M 850W 43
- #62 CorsairCorsair RM850x 43
- #63 GigabyteGigabyte 850W GP-P850GM 43
- #64 ThermaltakeThermaltake Toughpower SFX Platinum 850W 43
- #65 NZXTNZXT C850 SFX Gold 43
- #66 be quiet!be quiet! Dark Power 14 850W 43
- #67 ASUSASUS 850W ROG LOKI Platinum 43
Value High-end GPU
How much of that you get for today’s price.
#61 of 107 currently priced Power supplies
- #58 Super FlowerSuper Flower 1200W Leadex VII Platinum PRO Black 70
- #59 be quiet!be quiet! Dark Power 14 850W 70
- #60 FSPFSP 850W VITA-850GM 69
- #61 ThermaltakeThermaltake Toughpower SFX Platinum 850W 67
- #62 NZXTNZXT C850 SFX Gold 66
- #63 FSPFSP 650W VIC-650GM 66
- #64 CorsairCorsair HX1000i 65
Performance Small form factor
How much it can do. Price plays no part in this ranking.
#61 of 99 graded Power supplies
- #58 be quiet!be quiet! Pure Power 13 M 850W 43
- #59 CorsairCorsair RM850x 43
- #60 GigabyteGigabyte 850W GP-P850GM 43
- #61 ThermaltakeThermaltake Toughpower SFX Platinum 850W 43
- #62 NZXTNZXT C850 SFX Gold 43
- #63 be quiet!be quiet! Dark Power 14 850W 43
- #64 ASUSASUS 850W ROG LOKI Platinum 43
Value Small form factor
How much of that you get for today’s price.
#51 of 107 currently priced Power supplies
- #48 Cooler MasterCooler Master MWE Gold 750 V3 46
- #49 CorsairCorsair RM750x Shift White 46
- #50 ThermaltakeThermaltake Toughpower GT 1200W 46
- #51 ThermaltakeThermaltake Toughpower SFX Platinum 850W 45
- #52 MSIMSI MAG A1000PLS PCIE5 45
- #53 be quiet!be quiet! Pure Power 12 650W 44
- #54 CorsairCorsair RM850x 44
Performance Workstation
How much it can do. Price plays no part in this ranking.
#22 of 99 graded Power supplies
- #19 CorsairCorsair HX1000i 83
- #20 ThermaltakeThermaltake Toughpower SFX Platinum 1000W 83
- #21 be quiet!be quiet! POWER ZONE 2 850W 83
- #22 ThermaltakeThermaltake Toughpower SFX Platinum 850W 83
- #23 ASUSASUS 850W ROG LOKI Platinum 83
- #24 HPEHPE P38995-B21 800W 83
- #25 be quiet!be quiet! POWER ZONE 2 750W 83
Value Workstation
How much of that you get for today’s price.
#62 of 107 currently priced Power supplies
- #59 ThermaltakeThermaltake Toughpower GT Snow 1000W 67
- #60 MSIMSI MAG A550BN 67
- #61 ThermaltakeThermaltake Toughpower GF A3 Gold 1050W 67
- #62 ThermaltakeThermaltake Toughpower SFX Platinum 850W 66
- #63 NZXTNZXT C850 SFX Gold 66
- #64 Super FlowerSuper Flower 1000W Leadex VII Platinum PRO 66
- #65 FSPFSP 650W VIC-650GM 65
These ladders follow the preset scenario shown above. Your own weights re-score this product, not the whole field.
What it is good for
| Scenario | this productCapability grade · Value at current price | Higher capability | Higher Value with current priorities |
|---|---|---|---|
| Balanced (all-round)Weighted all-round view | GradeNo grade Value39 | Higher capability Super Flower 1300W Leadex III Gold 35 +53% capability · -11% price | Higher Value with current priorities Cooler Master MWE Gold 850 V3 88 +0% capability · -54% price |
| Gaming PCScenario capability | GradeS Value39 | Higher capability Super Flower 1300W Leadex III Gold S 36 +53% capability · -11% price | Higher Value with current priorities Cooler Master MWE Gold 850 V3 S 86 +0% capability · -54% price |
| High-end GPUScenario capability | GradeB Value67 | Higher capability Super Flower 1300W Leadex III Gold S 63 +53% capability · -11% price | Higher Value with current priorities Cooler Master MWE Gold 850 V3 B 100 +0% capability · -54% price |
| Small form factorScenario capability | GradeS Value45 | Higher capability Super Flower 1300W Leadex III Gold F 31 +53% capability · -11% price | Higher Value with current priorities ASRock PRO-850B F 78 +0% capability · -67% price |
| Workstation & 24/7Scenario capability | GradeA Value66 | Higher capability HPE P03178-B21 1000W B 49 +20% capability · +9% price | Higher Value with current priorities be quiet! POWER ZONE 2 750W B 95 +0% capability · -45% price |
Balanced has no letter: it is a weighting preset, not a capability rubric. A grade answers “how well does this handle that job?” — price is never part of it. Relative Value puts the current market price back in.
Compare these grades with the full tier list
Trade-offs
Works well if
- Gaming PC is your main prioritygraded S for Gaming PC on the same rubric as the tier list
Consider other options if
- You want strong value with Balanced priorities specificallyat today's market no realistic price for this model reaches strong value with Balanced priorities — the calculation only gets there near CAD 143, against a cheapest tracked CAD 291
- Value for money matters more to you than this exact modelCooler Master MWE Gold 850 V3 holds Relative Value 88 against its 39 with Balanced priorities, at CAD 133
Works well if
- Gaming PC is your main prioritygraded S for Gaming PC on the same rubric as the tier list
Consider other options if
- You want strong value for Gaming PC specificallyat today's market no realistic price for this model reaches strong value for Gaming PC — the calculation only gets there near CAD 142, against a cheapest tracked CAD 291
- Value for money matters more to you than this exact modelCooler Master MWE Gold 850 V3 holds Relative Value 86 against its 39 for Gaming PC, at CAD 133
- You need more Rated output than 850 Wthis product is fixed at 850 W; Super Flower 1300W Leadex III Gold offers 1300 W inside the same budget
Works well if
- High-end GPU is your main prioritygraded B for High-end GPU on the same rubric as the tier list
- Strong-value threshold: ~CAD 203CAD 203 is where Relative Value reaches 80 for High-end GPU, in the 2026-11-08–2026-11-09 offer frame
Consider other options if
- Current price sits CAD 88 above the strong-value threshold (~CAD 203)cheapest tracked CAD 291 against a CAD 203 calculated threshold for High-end GPU
- Value for money matters more to you than this exact modelCooler Master MWE Gold 850 V3 holds Relative Value 100 against its 67 for High-end GPU, at CAD 133
- You need more Rated output than 850 Wthis product is fixed at 850 W; Super Flower 1300W Leadex III Gold offers 1300 W inside the same budget
Works well if
- Small form factor is your main prioritygraded S for Small form factor on the same rubric as the tier list
Consider other options if
- You want strong value for Small form factor specificallyat today's market no realistic price for this model reaches strong value for Small form factor — the calculation only gets there near CAD 165, against a cheapest tracked CAD 291
- Value for money matters more to you than this exact modelASRock PRO-850B holds Relative Value 78 against its 45 for Small form factor, at CAD 95
- You need more Rated output than 850 Wthis product is fixed at 850 W; Super Flower 1300W Leadex III Gold offers 1300 W inside the same budget
Works well if
- Workstation is your main prioritygraded A for Workstation on the same rubric as the tier list
- Strong-value threshold: ~CAD 200CAD 200 is where Relative Value reaches 80 for Workstation, in the 2026-11-08–2026-11-09 offer frame
Consider other options if
- Current price sits CAD 91 above the strong-value threshold (~CAD 200)cheapest tracked CAD 291 against a CAD 200 calculated threshold for Workstation
- Value for money matters more to you than this exact modelbe quiet! POWER ZONE 2 750W holds Relative Value 95 against its 66 for Workstation, at CAD 160
- You need more Rated output than 850 Wthis product is fixed at 850 W; HPE P03178-B21 1000W offers 1000 W inside the same budget
Every line states the fact it was derived from, for the scenario selected above. Thresholds are calculated points on our value curve — information about where the maths turns, not instructions about what to pay.
Similar options to the Thermaltake Toughpower SFX Platinum 850W
Chosen for Balanced
Chosen for Gaming PC
Chosen for High-end GPU
Chosen for Small form factor
Chosen for Workstation
Alternatives stay near this product’s price range. Step-up options may exceed the standard budget envelope when the capability gain is meaningful.
More head-to-head comparisons in this category
Upgrade planner
Judge the change in the active scenario, then make the cash gap explicit.
Using page scenarioWhat are you upgrading from? These are the axes we compare on, and where this product stands in the current market.
Capability differences are expressed as tiers and index points, not as benchmark percentages we did not measure.
Specifications and compatibility
What this product is, and what to check before it goes into your build.
Power / Interface
- Rated output
- 850 W
- +12 V output
- 850 W
- 80 PLUS rating
- 80 PLUS Platinum
- ATX standard
- ATX 3.1
Show all specifications
Warranty
- Warranty
- 7 years
- Manufacturer part number
- PS-STP-0850FNFAPU-1
Hover any value to see where it came from: a manufacturer specification, or a figure The Comparator calculated.
Sources: Comparator offer frame 2026-11-08–2026-11-09
What to check in your build
A case that takes SFX power supplies
The size is set by the case: ATX cases take ATX units, small cases take SFX (some also SFX-L).
103 mm of power-supply bay, plus room for the cables
Case makers list the longest power supply the bay takes; modular cables need extra space behind the unit.
Found an error? Report this specification Email the field, corrected value and an optional source.
Compatibility guidance is practical help, not a score. Missing data is shown as unknown, never invented.
Summary
Thermaltake Toughpower SFX Platinum 850W offers a balanced view across an all-round mix of priorities. It ranks #64 by capability in the current modelled field. Its clearest measured strength is rated output 850. Cooler Master MWE Gold 850 V3 currently clears the same practical bar with stronger Relative Value.
Thermaltake Toughpower SFX Platinum 850W offers S-grade capability for Gaming PC. It ranks #64 by capability in the current modelled field. Its clearest measured strength is rated output 850. Cooler Master MWE Gold 850 V3 currently clears the same practical bar with stronger Relative Value.
Thermaltake Toughpower SFX Platinum 850W offers B-grade capability for High-end GPU. It ranks #64 by capability in the current modelled field. Its clearest measured strength is rated output 850. Cooler Master MWE Gold 850 V3 currently clears the same practical bar with stronger Relative Value.
Thermaltake Toughpower SFX Platinum 850W offers S-grade capability for Small form factor. It ranks #61 by capability in the current modelled field. Its clearest measured strength is rated output 850.
Thermaltake Toughpower SFX Platinum 850W offers A-grade capability for Workstation. It ranks #22 by capability in the current modelled field. Its clearest measured strength is rated output 850. be quiet! POWER ZONE 2 850W currently clears the same practical bar with stronger Relative Value.
FAQ
Why does Relative Value change when I choose another scenario?
Each scenario changes the weights applied to capability, price and the other published factors. The hardware facts stay fixed, but the value question changes, so its score and rank can change too.
Why can Amazon appear without a tracked price?
Amazon listing snapshots can participate in Value while fresh. We show Check on Amazon instead of its price; confirm the current price and availability at the store. When no current listing snapshot exists, Amazon is a search link only.
Useful links & sources
offer frame 2026-11-08–2026-11-09 · formula psu-value-v6.1 · facts facts-2026-11-09 · Relative Value is an estimate from our current dataset, the selected weights and dated market prices — not an official product rating and not a price forecast. Target prices are calculation thresholds, not predictions. Methodology We are not a shop. Affiliate links may earn us a commission; they never change the calculations or the ranking.