Power supplies / Compare

MSI MAG A750GL PCIE5 vs Thermaltake Toughpower GT 850W

A

Product A: MSI

MAG A750GL PCIE5

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B

Product B: Thermaltake

Toughpower GT 850W

32 of 66 known

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Only differences

AMSI MAG A750GL PCIE5

BThermaltake Toughpower GT 850W

General

3 of 12 differ

Series

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Toughpower GT1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Series name Toughpower GT.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

MAG A750GL PCIE51Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Datasheet title MAG A750GL PCIE5.

PS-TPT-0850FNFAGU-3, PS-TPT-0850FNFAGE-3, PS-TPT-0850FNFAGA-31Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026The page shows the SKU as PS-TPT-0850FNFAG*-3 and says the 850W comes in two authentic versions, Version A and Version B, without saying how they differ. The black units are PS-TPT-0850FNFAGU-3 (US), PS-TPT-0850FNFAGE-3 (Europe) and PS-TPT-0850FNFAGA-3 (Australia). The white TOUGHPOWER GT Snow 850W (PS-TPT-0850FNFAGU-W) has its own page and is not stored here, since its page rates the 12V-2x6 cable at 600 W where the Australian black page says 450 W.3Maker product pagethermaltake.com.au/toughpower-gt-850w-atx31.htmlRead 14 October 2026Thermaltake Australia page for SKU PS-TPT-0850FNFAGA-3, model TPD-850AH2FLG-3. It has the same rails, cables, dimensions and warranty as the global page and rates the 12V-2x6 cable at 450 W.5Certification listclearesult.com/80plus/sites/80plus/files/manufacturer-certificate/THERMALTAKE_TPD-0850AH2FLG-3%20TOUGHPOWER%20GT%20850W_780W_SOCE%207984_Report.pdfRead 14 October 2026Sample serials PSTPT0850FNFAGE3BICH01149 and 01150 name the European model PS-TPT-0850FNFAGE-3.6Retailer pagefleetnetwork.ca/thermaltake-ps-tpt-0850fnfagu-3-toughpower-gt-850w-power-supply-atx-3-1-80-plus-gold-modular-blackRead 14 October 2026Fleet Network lists PS-TPT-0850FNFAGU-3 as the model number, SKU and manufacturer part number for the black 850W.

GTIN / EAN

47113770872616Retailer pagestore.fluidone.com/msi-mag-a750gl-pcie5-power-supply-unit-750-w-20-4-pin-atx-atx-black-mag-a750gl-pcie5Read 15 October 2026EAN 4711377087261 for SKU MAG A750GL PCIE5. Only this retailer states it. The prefix 4711377 is the one MSI uses on its products.

8411630974656Retailer pagefleetnetwork.ca/thermaltake-ps-tpt-0850fnfagu-3-toughpower-gt-850w-power-supply-atx-3-1-80-plus-gold-modular-blackRead 14 October 2026UPC 841163097465 (GTIN-13 0841163097465) for PS-TPT-0850FNFAGU-3. Only this one source states it.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

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Status

Available6Retailer pagestore.fluidone.com/msi-mag-a750gl-pcie5-power-supply-unit-750-w-20-4-pin-atx-atx-black-mag-a750gl-pcie5Read 15 October 2026Listing is live in October 2026. Paradigit also lists the unit in stock.7Retailer pageparadigit.ie/msi-mag-a750gl-pcie5-750-w/21309339/productRead 15 October 2026In stock, delivery in 4-5 working days, in October 2026. The listing still says ATX 3.0 compatible.

Available1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026The page lists the product as a current product.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

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Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

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Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

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MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

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ColoursiThe maker's own colour names

Black5Spec databasepreisvergleich.heise.de/msi-mag-a750gl-pcie5-750w-atx-3-0-306-7zp8b11-ce0-a2979498.htmlRead 15 October 2026Colour black.7Retailer pageparadigit.ie/msi-mag-a750gl-pcie5-750-w/21309339/productRead 15 October 2026Colour Black.

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Form factoriThe physical size standard that decides what fits in the case. An ATX unit is 150 × 86 mm at the back. An SFX unit is 125 × 63.5 mm.

ATX3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026DUT Information: Type ATX12V. Dimensions in the report are blank.

ATX1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Dimensions 150 mm (W) x 86 mm (H) x 140 mm (D), the ATX size.

ATX versioniThe ATX12V design guide revision the maker claims compliance with. A 16-pin GPU cable alone does not establish ATX 3.x. A Cybenetics report that withholds its ATX badge does not change the maker's claim. It goes in the source note.

ATX 3.11Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Feature list in the 2025 sheets (US, AU, UK, global and TW): ATX 3.1 ready, native PCIe 5.1 16-pin cable. The 2023 and 2024 sheets (JP, MX, CN and CA, the CA one generated 2024-05-09) say ATX 3.0 compatible with native PCIe 5.0. The specification table and the connector counts are the same in both versions.5Spec databasepreisvergleich.heise.de/msi-mag-a750gl-pcie5-750w-atx-3-0-306-7zp8b11-ce0-a2979498.htmlRead 15 October 2026The page says the unit first launched as ATX 3.0 and PCIe 5.0 compatible and is now marketed as ATX 3.1 and PCIe 5.1 compatible. The order code is 306-7ZP8B11-CE0.

ATX 3.11Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Page: compatible with ATX 3.1 specifications, ATX 3.1 Ready.

PCIe CEM versioniThe PCI Express card power revision the maker claims, as printed next to the ATX version. It sets the GPU power connector rules. It is not a slot speed. A reviewer's statement is not enough.

PCIe 5.11Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 20262025 sheets: native PCIe 5.1 dual-color 16-pin cable. The earlier sheets say PCIe 5.0. The specification table still names the connector PCI-E 5.0 (16 pin).5Spec databasepreisvergleich.heise.de/msi-mag-a750gl-pcie5-750w-atx-3-0-306-7zp8b11-ce0-a2979498.htmlRead 15 October 2026Now marketed as PCIe 5.1 compatible, with a native 12V-2x6 connector rated 450 W.

PCIe 5.11Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Page: PCIe Gen 5.1 Ready with a PCIe 12V-2x6 (12+4 pin) connector.

Modular cablesiFull means every cable detaches. Semi means some cables are fixed, usually the 24-pin and CPU cables.

Fully modular1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Specifications: Modular Yes (full modular).

Fully modular1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Page: fully modular low-profile cables.

Built by (OEM)iThe company that designed and built the unit for the brand, such as CWT or FSP. As named by the maker, a teardown review or a Cybenetics report.

Channel Well Technology (CWT)3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026DUT Information: OEM/ODM CWT.

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Power

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Rated continuous poweriThe continuous DC output the maker rates the unit for, such as 850. Peak or power excursion figures are not stored here.

750W1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Specifications: Power Watt 750W. Total power 750W. Power excursion 1500W up to 200% of rated power for 100 microseconds.3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Manufacturer-provided information: Rated Power 750 W.

850W1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Product Specifications: Max Output Capacity 850W.

Full power rated up toiThe ambient temperature up to which the maker rates full continuous power, such as 50 °C. A review table that prints 0-50 °C with no maker source is not enough. An operating temperature range that does not say full power is not enough. A maker table with load steps gives the full-load row, such as 40 °C at full load next to 50 °C at 80 percent load. A temperature that a Cybenetics report marks as manufacturer-provided counts as a maker statement.

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12V rail designiHow the maker splits +12V over-current protection. Switchable means the user picks single or multi rail with a switch or in software.

Single rail1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026The DC output table has one +12V column, 62A and 744W. Heise also lists a single rail.5Spec databasepreisvergleich.heise.de/msi-mag-a750gl-pcie5-750w-atx-3-0-306-7zp8b11-ce0-a2979498.htmlRead 15 October 2026+12V 62 A, single rail.7Retailer pageparadigit.ie/msi-mag-a750gl-pcie5-750-w/21309339/productRead 15 October 2026Single rail, combined +12V 744 W, max 62 A.

Single rail1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Page: high amperage single +12V rail.

+12V max currentiHighest combined current on +12V from the maker's power table. For a multi-rail unit this is the combined total, not one rail.

62A1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026DC output table: +12V 62A, 744W.

70.8A1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026DC output table: +12V 70.8A.2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Output Specification for 850W: +12V 70.8A, 849.6W.

+12V max poweriHighest combined power on +12V from the maker's power table.

744W1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026DC output table: +12V 744W. Total power 750W.

849.6W1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026DC output table: +12V 849.6W, total power 850W.2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Output Specification for 850W: +12V 849.6W.

+3.3V and +5V combined poweriThe combined limit for the +3.3V and +5V rails from the maker's power table. A table that prints the same figure under both rails, as be quiet! does, shows one shared limit, so the figure is stored once and not added.

110W1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026DC output table: +5V 20A and +3.3V 20A with one 110W figure under both.

100W1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026DC output table: +3.3V 20A and +5V 20A with one 100W cell.2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Output Specification for 850W: +3.3V 20A and +5V 20A, 100W.

+5V standby currentiHighest current on the +5VSB standby rail. It powers USB charging and wake functions while the PC is off.

2.5A1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026DC output table: +5Vsb 2.5A, 12.5W. The -12V rail is 0.3A, 3.6W.

3A1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026DC output table: +5VSB 3A, 15W. The -12V rail is 0.3A, 3.6W.2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Output Specification for 850W: +5VSB 3A, 15W.

AC input voltageiThe rated AC input range, such as 100 to 240 V.

Lowest100Highest240V1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Input Voltage Range 100~240 VAC. AC input 100-240V, 10A, 47-63Hz.

Lowest100Highest240V1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026AC input 100-240V, 10A max, 50-60Hz.2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Output Specification: input voltage 100-240V, input current 10A max, 50-60Hz.

Alternative low power mode (ALPM)iThe maker or a Cybenetics report states support for the ATX alternative low power mode used by Modern Standby.

Yes3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026ALPM (Alternative Low Power Mode) compatible, checked.

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Certifications

4 of 5 differ

80 PLUS ratingiThe 80 PLUS level. When the 80 PLUS listing or certificate and the maker claim differ, store the listing level and put the claim and test voltage in the source note. When a model has several 80 PLUS entries, such as a newer test at a higher level, use the newest entry that matches the current maker documents.

80 PLUS Gold4Certification listclearesult.com/80plus/sites/80plus/files/manufacturer-certificate/Micro-Star%20International%20Co.%2C%20Ltd._MAG%20A750GL%20PCIE5%20_750W_SOCE%205831.8_Report.pdfRead 15 October 202680 PLUS ID 5831.8, model MAG A750GL PCIE5, type ATX12V, rated 750 W, input 100-240 V 10 A, no serial number printed: Gold at 115V, typical efficiency 91.21% at 50% load. The list dates the entry 2019-12-19, long before the 2023 launch, so the certificate was most likely renamed from the older MAG A750GL (ID 5831.7). It agrees with the maker's Gold claim.

80 PLUS Gold1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Page: Meet 80 PLUS Gold at 115Vac input. The 80 PLUS list agrees.4Certification listclearesult.com/80plus/sites/80plus/files/manufacturer-certificate/THERMALTAKE_TOUGHPOWER%20GT%20850W_850W_SOCE%207533_Report_0.pdfRead 14 October 202680 PLUS ID 7533, TOUGHPOWER GT 850W, ATX12V, test date 2024-09-06: Gold at 115V, typical efficiency 91.71% at 50% load. No serial number is printed. A second listing, ID 7984 for TPD-0850AH2FLG-3 TOUGHPOWER GT 850W (ATX 3.1, test date 2025-09-30, samples PSTPT0850FNFAGE3BICH01149 and 01150), is also Gold.5Certification listclearesult.com/80plus/sites/80plus/files/manufacturer-certificate/THERMALTAKE_TPD-0850AH2FLG-3%20TOUGHPOWER%20GT%20850W_780W_SOCE%207984_Report.pdfRead 14 October 202680 PLUS ID 7984: Gold at 115V, typical efficiency 91.25% at 50% load. The sample serials match the PS-TPT-0850FNFAGE-3 model.

Cybenetics efficiency at 115ViThe Cybenetics ETA level from the 115V test. The Cybenetics report wins over the maker's claim.

Cybenetics Gold3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Report 24PS2356A, certification ID 252356, issued Feb 15, 2024. ETA Gold badge at 115V. The sample serial is blank. Received Jan 26, 2024, tested Feb 14, 2024.

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Cybenetics efficiency at 230ViThe Cybenetics ETA level from the 230V test. The 230V thresholds are higher, so the level can differ from the 115V level. The Cybenetics report wins over the maker's claim.

Cybenetics Gold3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026ETA Gold badge at 230V.

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Cybenetics noise at 115ViThe Cybenetics LAMBDA level from the 115V test. A++ is the quietest. The Cybenetics report wins over the maker's claim.

Standard+3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026LAMBDA Standard+ badge at 115V.

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Cybenetics noise at 230ViThe Cybenetics LAMBDA level from the 230V test. The Cybenetics report wins over the maker's claim.

Standard+3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026LAMBDA Standard+ badge at 230V.

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Measured

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Average efficiency at 115V (measured)iAverage efficiency over the whole load range at 115V input, from more than 1450 load combinations in the Cybenetics method. It is not the peak efficiency or the efficiency at 50% load.

88.709%3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Accredited average over more than 1450 load combinations at 115V. Ambient 28-32 C.

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Average efficiency at 230V (measured)iThe same average efficiency at 230V input.

90.912%3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Accredited average over more than 1450 load combinations at 230V.

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Light-load efficiency at 115V (measured)iEfficiency at a 10 W load for units up to 500 W, or at a 2% load for larger units, at 115V input. This is the ATX light-load test.

64.826%3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Efficiency at 2% load at 115V. The unit is above 500 W, so the 2% load applies. At 230V it is 63.405%.

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Average power factor at 115V (measured)iAverage power factor over the whole load range at 115V input. 1 is the best possible value.

0.9783Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Accredited average over more than 1450 load combinations at 115V. At 230V it is 0.934.

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Average noise at 115V (measured)iAverage noise over the whole load range at 115V input in the Cybenetics method, at about 30 °C ambient. It is not the noise at full load.

36.13dB(A)3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Accredited average over more than 1450 load combinations at 115V, ambient 28-32 C. The 230V average is 35.42 dBA.

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Noise at full load at 115V (measured)iNoise at 100% load at 115V input in the Cybenetics typical load tests. That row often runs at about 45 °C intake. The intake temperature and the fan speed go in the source note. Lower is better.

47.4dB(A)3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Typical Load Tests (supplementary), 100% load row at 115V: 47.4 dB(A) at 2317 rpm fan speed, intake 45.52 C and exhaust 55.57 C. Not used for certification.

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Standby power with no load at 115V (measured)iPower the unit draws from the wall with the PC off and nothing drawn from +5VSB, at 115V input.

0.0369W3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Standby power consumption at 115V with no load on +5VSB. At 230V it is 0.1026 W.

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Hold-up time (measured)iHow long the outputs stay in regulation after AC power is lost, at maximum continuous load, as printed in the Cybenetics report. The report names no input voltage. The AC loss to PWR_OK time goes in the source note. Higher is better.

18ms3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Hold-Up Time and PWR_OK Signal: hold-up time 18.00 ms, AC loss to PWR_OK 16.60 ms, at maximum continuous load. The report prints no input voltage.

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12V ripple at full load (measured)iPeak-to-peak ripple on the +12V rail at full load and 115V input. Lower is better.

32.77mV3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Non-accredited. 12V ripple at full load at 115V. At 230V it is 33.39 mV.

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12V load regulation (measured)iHow far the +12V voltage moves between light and full load at 115V input. Lower is better.

0.63%3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Non-accredited. 12V load regulation at 115V. At 230V it is 0.61%.

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Cables and connectors

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CablesiOne row per kind of cable that runs from the PSU to a device. Connector is the plug at the device end. Count is the number of those plugs over all cables in the row. Length runs from the PSU end to the first plug. Adapters that plug into other cables are left out. Use 16-pin PCIe when the maker names a 16-pin GPU cable without saying 12V-2x6 or 12VHPWR. A cable from a 12V-2x6 socket on the PSU to 8-pin plugs is a cable, not an adapter, and counts as PCIe 8-pin. When the maker's documents name one GPU cable both 12VHPWR and 12V-2x6, use 16-pin PCIe and name both in the source note. Cables of one connector kind with different lengths or wire gauges get one row each.

AMSI MAG A750GL PCIE5

Connector	Connectors	Cables	Length to first plug (mm)	Wire gauge	Rated power (W)
ATX 24-pin (20+4)	1	1	600	18AWG	Not available
CPU 8-pin (EPS, 4+4)	2	2	750	18AWG	Not available
PCIe 8-pin (6+2)	3	2	600	18AWG	Not available
12V-2x6	1	1	590	Not available	450
SATA power	8	2	500	18AWG	Not available
4-pin Molex	4	1	500	18-20AWG	Not available
4-pin floppy	1	1	500	18-20AWG	Not available

Source1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Connector table: ATX 24 pin 1, EPS 4+4 pin 2, PCI-E 5.0 16 pin 1 (450W), PCI-E 6+2 pin 3, SATA 8, Molex 4, FDD 1. Lengths and wire gauges come from the Cybenetics report.3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Cables and Connectors table: ATX 20+4 pin 600 mm 18AWG, 2x 4+4 pin EPS 750 mm 18AWG, one 6+2 pin PCIe 600 mm and one 6+2 pin PCIe 600+150 mm 18AWG, 12+4 pin PCIe 590 mm (450W) 16-26AWG, 2 SATA cables 500+150+150+150 mm 18AWG, one 4-pin Molex 500+150+150+150 mm and FDD +150 mm cable 18-20AWG. The 16-26AWG range of the 12+4 pin cable includes the thin sideband wires and no source gives the power wire gauge, so no gauge is stored. A German retailer feed lists the motherboard cable as 45 cm, which differs from the 600 mm here.

BThermaltake Toughpower GT 850W

Connector	Connectors	Cables	Length to first plug (mm)
ATX 24-pin (20+4)	1	1	550
CPU 8-pin (EPS, 4+4)	2	2	700
PCIe 8-pin (6+2)	4	2	600
12V-2x6	1	1	600
SATA power	6	2	450
4-pin Molex	4	1	400

Source1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Cable table: 1 main power 24-pin 550 mm, 2 ATX 12V 4+4-pin 700 mm, 4 PCIe 6+2-pin on 2 cables (600 mm + 150 mm), 1 PCIe 12+4-pin 600 mm, 6 SATA on 2 cables (450 mm + 150 mm + 150 mm), 4 peripheral 4-pin on 1 cable (400 mm + 150 mm + 150 mm + 150 mm). Lengths run to the first plug. The 12V-2x6 cable power rating differs by page, so it is not stored. This page prints no rating, the Australian page for PS-TPT-0850FNFAGA-3 says up to 450 W, and the Snow page says 600 W. No source states wire gauges.

CPU (EPS) connectorsi8-pin or 4+4-pin CPU power plugs.

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PCIe 8-pin connectorsi8-pin or 6+2-pin GPU power plugs. Counts the plugs in the box. Some cables share one PSU socket, which the source note says.

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16-pin GPU connectorsiNative 16-pin GPU power plugs: 12V-2x6, 12VHPWR and 16-pin cables of unstated revision. Adapters are not counted. Counts the plugs in the box. Some cables share one PSU socket, which the source note says.

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SATA power connectors

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4-pin Molex connectors

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Cable styleiHow the modular cables are made. Mixed means some cables are sleeved and others flat, such as a sleeved 24-pin cable with flat other cables. From the maker page or a review photo page.

Flat1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Feature list: Full modular design, Flat cables.

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Fan

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Fan sizeiFrame size of the cooling fan, such as 120, 135 or 140.

120mm1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Specifications: Fan Size 120 mm.3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Cooling: 120mm Fluid Dynamic Bearing Fan (DF1202512FDHN).

120mm1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Specifications: Cooling System 12cm hydraulic bearing fan.

Fan bearingiUse the maker's bearing name. FDB and S-FDB are fluid dynamic. HDB is hydrodynamic. Noctua SSO and SSO2 are SSO. Corsair Magnetic Dome is magnetic dome. A brand bearing name that fits no option is Other.

Fluid dynamic (FDB)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Specifications: Fan Bearing Fluid Dynamic Bearing. Feature list: 120mm Fluid Dynamic Bearing Fan.3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Cooling: 120mm Fluid Dynamic Bearing Fan (DF1202512FDHN).

Hydraulic1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Specifications: 12cm Hydraulic bearing fan.

Fan modeiSemi-passive means the fan stops at low load, often sold as zero RPM, hybrid or 0 dB mode. Fanless means the unit has no fan.

Always on3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026Semi-Passive Operation is marked absent. The typical load tests show the fan at about 1,080 rpm at 10% load.

Semi-passive1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Page: Smart Zero Fan adjusts the fan speed. The manual says the fan does not run until the unit reaches about 40% of rated load.2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Installation step 8: when the Smart Zero Fan System is turned on, the fan will not run until the power supply reaches about 40% of rated load. The manual does not say how the system is turned on or off.

Fan mode switchiA button, switch or software setting lets the user turn the semi-passive mode off so the fan always spins. A unit without a semi-passive mode, whose fan the maker says always spins, has no switch, so it is false.

No3Measurementcybenetics.com/evaluations/psus/2356Read 15 October 2026The unit has no semi-passive mode, so it has no switch for it.

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Protection and parts

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ProtectionsiProtections the maker lists, or a retailer spec table copies from the maker, plus protections the Cybenetics protection tests show working (UVP, NLO, SIP). The Cybenetics manufacturer list has no OVP or UVP row, so do not build the list from it alone. A protection that is not listed may still exist. No-load covers no-load operation and no-load protection. Fan failure is a maker's fan failure protection or fan safeguard, also when the Cybenetics manufacturer block lists it.

Over-current (OCP), Over-voltage (OVP), Under-voltage (UVP), Over-power (OPP), Over-temperature (OTP), Short-circuit (SCP)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Specifications: OCP / OVP / OPP / OTP / SCP / UVP.

Over-current (OCP), Over-voltage (OVP), Under-voltage (UVP), Over-power (OPP), Over-temperature (OTP), Short-circuit (SCP)1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Page and specifications: OCP, OVP, UVP, OPP, SCP and OTP.2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Total Protection section: OVP, UVP, OCP, OPP (shut down at 110% to 150% of continuous power), OTP (50 to 65 C) and SCP.

All-Japanese capacitorsiThe maker states that every electrolytic capacitor is from a Japanese maker. A Japanese bulk capacitor alone is not enough. A spec row such as "Japanese capacitors" that names no exception counts.

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MTBF (claimed)iThe maker's mean time between failures, such as 100000. An MTTF figure for the whole unit counts too. An MTTF for the fan alone does not. The test temperature goes in the source note.

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100,000h1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Specifications: MTBF 100,000 hrs minimum. The test temperature is not stated.2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Environments table: MTBF more than 100,000 hours.

Monitoring and lighting

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Software monitoringiThe unit reports power, temperature or fan data to PC software over a USB or internal connection.

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SoftwareiThe maker's software for monitoring or control.

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Built-in power displayiA screen on the unit that shows live power draw or other readings.

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RGB lighting

No6Retailer pagestore.fluidone.com/msi-mag-a750gl-pcie5-power-supply-unit-750-w-20-4-pin-atx-atx-black-mag-a750gl-pcie5Read 15 October 2026Spec sheet: Illumination No.

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Dimensions and weight

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DimensionsiBody without cables. Width and height are the back face with the AC inlet. Depth is the length into the case, which decides case fit.

Width150Height86Depth140mm(5.9 × 3.4 × 5.5 in)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026Specifications: Dimensions (DxWxH) 140 x 150 x 86 mm.

Width150Height86Depth140mm(5.9 × 3.4 × 5.5 in)1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Specifications: 150mm(W) x 86mm(H) x 140mm(D).

WeightiWeight of the unit alone. Use the Hardware Busters figure on hwbusters.com when the maker states none, not a copy on another site. Maker weights that include cables or the box, such as Corsair's, and retailer packed weights are not stored. A net weight counts unless the maker says it includes the cables.

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In the box

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In the boxiItems supplied with this exact model, verbatim. The AC power cord differs per region.

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TOUGHPOWER GT power supply unit, AC power cord, User manual, Mounting screws x 4, Cable straps x 42Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026Components Check: TOUGHPOWER GT power supply unit, AC power cord, user manual, mounting screws x 4, cable straps x 4. The cables are listed in the cables table.

Links

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Product page

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www.thermaltake.com/toughpower-gt-850w-atx31.html1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026

Spec sheet

storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdf1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A750GL-PCIE5.pdfRead 15 October 2026MSI US datasheet for MAG A750GL PCIE5, generated 2025-12-03. MSI publishes regional copies at storage-asset.msi.com/datasheet/power-supply/<region>/MAG-A750GL-PCIE5.pdf.

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Manual

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file.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdf2Owner's manualfile.thermaltake.com/file/qig/TOUGHPOWER_GT_750850W_ATX31_Manual.pdfRead 14 October 2026TOUGHPOWER GT 850W / 750W manual, English column, page 1.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

7years2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/jp/MAG-A750GL-PCIE5-global.pdfRead 15 October 2026Japanese feature list: 7-year long product warranty. The sheet is for the JP market. German and UK retailers also list 7 years. The MSI Thailand store lists 3 years, which is a regional term.5Spec databasepreisvergleich.heise.de/msi-mag-a750gl-pcie5-750w-atx-3-0-306-7zp8b11-ce0-a2979498.htmlRead 15 October 2026Warranty 7 years on the German listing.

5years1Maker product pagethermaltake.com/toughpower-gt-850w-atx31.htmlRead 14 October 2026Page text: backed by an extensive 5-year warranty. The page is the global Thermaltake page. A Thai retailer lists 7 years for the European SKU, which is not a maker statement.

Both are also in the API. Back to all power supplies.