Power supplies / Compare

Seasonic CORE GX-650 (2024) vs Thermaltake Smart 600W

A

Product A: Seasonic

CORE GX-650 (2024)

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B

Product B: Thermaltake

Smart 600W

32 of 66 known

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Only differences

ASeasonic CORE GX-650 (2024)

BThermaltake Smart 600W

General

9 of 12 differ

Series

CORE GX2Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026The release calls the family the CORE GX ATX 3 series, in four outputs from 1000 W to 650 W.

Smart1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Page title: Smart SPD-0600P, 600W 80 PLUS Standard Certified APFC PSU. The page is Thermaltake USA.

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

SRP-CGX651-A5A32SF, SRP-CGX651-A5A32SF-W4Retailer pagedekada.com/en/seasonic-psu-atx-31-650w-gold-full-modular-pcie-51-core-gx650-v2-srpcgx651a5a32sf-p-6265.htmlRead 14 October 2026Part number SRP-CGX651-A5A32SF, listed as CORE GX-650 V2, black.5Retailer pageldlc.com/en/product/PB00677582.htmlRead 14 October 2026Model SRP-CGX651-A5A32SF-W for the white CORE GX ATX 3 (2024) 650 W.

PS-SPD-0600NPCWUS-W1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026SKU and P/N PS-SPD-0600NPCWUS-W. The Brazil page prints PS-SPD-0600NPCWxx-W and the Spain page PS-SPD-0600NPCW-W for the same Smart 600W.6Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Item details: Model Number and Mfr Part Number PS-SPD-0600NPCWUS-W. The description text names short P/N SPD-0600P and model SP-600AH2NKW.

GTIN / EAN

47111738784524Retailer pagedekada.com/en/seasonic-psu-atx-31-650w-gold-full-modular-pcie-51-core-gx650-v2-srpcgx651a5a32sf-p-6265.htmlRead 14 October 2026EAN-13 4711173878452 for the black SRP-CGX651-A5A32SF, listed by an EU retailer. The check digit is valid.

8411630622416Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Item details: UPC 841163062241, GTIN 00841163062241. The code has a valid check digit.

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

6 December 20242Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026Press release dated December 6, 2024.

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Status

Available4Retailer pagedekada.com/en/seasonic-psu-atx-31-650w-gold-full-modular-pcie-51-core-gx650-v2-srpcgx651a5a32sf-p-6265.htmlRead 14 October 2026Listing shows the black unit available in October 2026.

Available6Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Amazon US listing for PS-SPD-0600NPCWUS-W sold by Thermaltake USA Direct. 6,452 ratings at 4.6 stars and best sellers rank 4 in Computer Power Supplies in October 2026. The Thermaltake USA store shows it sold out.

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.

Not available

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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.

From $89.992Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 20264Retailer pagedekada.com/en/seasonic-psu-atx-31-650w-gold-full-modular-pcie-51-core-gx650-v2-srpcgx651a5a32sf-p-6265.htmlRead 14 October 20265Retailer pageldlc.com/en/product/PB00677582.htmlRead 14 October 2026

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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.

From €105.92Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 20264Retailer pagedekada.com/en/seasonic-psu-atx-31-650w-gold-full-modular-pcie-51-core-gx650-v2-srpcgx651a5a32sf-p-6265.htmlRead 14 October 20265Retailer pageldlc.com/en/product/PB00677582.htmlRead 14 October 2026

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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.

US, EU2Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026The release lists a USA price and an EU price for the black CORE ATX 3 GX-650, and a rest of the world price that names no country. Only US and EU are stored.

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ColoursiThe maker's own colour names

Black, White2Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026Available in black and white. The white version is built to order in the USA and ships in late February 2025 in Europe.

Black1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Product Specifications: Color Black.

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.

ATX3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page, copied from Seasonic's table: form factor ATX/EPS, 140 x 150 x 86 mm, an ATX body.

ATX1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Product Specifications: Form Factor ATX.

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 3.12Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026The units comply with the latest ATX 3.1 and PCIe Gen 5.1 standards.7Certification listclearesult.com/80plus/sites/80plus/files/manufacturer-certificate/SEA%20SONIC%20ELECTRONICS%20CO.%20LTD._SRP-CGX651-A5A32SF_650W_SOCE%207566_Report_0.pdfRead 14 October 2026The certificate lists the type as ATX 3.1.

ATX 2.x1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Product Specifications: Type Intel ATX 12V 2.3.

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 5.12Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026The units comply with PCIe Gen 5.1.

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

Fully modular2Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 202680 Plus Gold certified units with a fully modular design and color-matching cables with a braided pattern.

None4Maker product pagethermaltakeusa.com/products/smart-600w-ps-spd-0600npcwus-w.jsonRead 14 October 2026Thermaltake USA store data for SKU PS-SPD-0600NPCWUS-W: tag Modular=Non-Modular. The store lists the unit as sold out. Amazon's Product Description section names the unit Smart 600W ATX 12V APFC 80+ Non-modular, while its feature table says Semi-Modular, which the maker data does not support.6Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Product Description box line: Smart 600W ATX 12V APFC 80+ Non-modular.

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.

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Power

4 of 9 differ

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

650W3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: total continuous power 650 W.

600W1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Product Specifications: Watts 600W. DC output table: Continuous Power 600W.

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.

40°C3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page, operating temperature: 0-50 C, with derating from 100% to 80% linearly from 40 C to 50 C. Full power is therefore rated up to 40 C.

40°C1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Product Specifications: Operating Temperture (sic) 5 C to +40 C. Amazon's feature bullet says 600 W continuous output at plus 40 C.6Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Feature bullet: Delivers 600W Continuous output at plus 40 C.

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 rail3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Page 1 says the label shows a single rail (monorail) design. A retail listing also says single +12V rail.

Single rail1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Features: High Amperage Single +12V Rail Design.

+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.

54A3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page, DC output: +3.3V 20A, +5V 20A, +12V 54A, -12V 0.3A, +5VSB 3A.

50A1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026DC output table: +12V max output current 50.00A. The US page prints 16A for +3.3V and +5V and 3A for +5Vsb. It prints only four power values for five columns.2Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026Output Specification, 600W row: +12V max output current 50.00A, max output power 600W, continuous power 600W.

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

648W3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: +12V 648 W.6Retailer pageparadigit.ie/seasonic-core-gx-atx3-1-650-w/21660874/productRead 14 October 2026Combined power +12V 648 W, max output current +12V 54 A.

600W1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026DC output table: +12V max output power 600W. The Thermaltake manual gives the same row.2Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026Output Specification, 600W row: +12V 600W.

+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.

100W3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: 100 W shared by the +3.3V and +5V rails.

105W1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026DC output table: 105W for +3.3V and +5V together. The manual shows one merged 105W cell.2Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026Output Specification, 600W row: +3.3V 16A and +5V 16A with one 105W cell. The Brazil page prints 18A each and 100W, and the Spain page prints 22A and 17A with +12V at 42A (504W) and 10A input. The 600W row of the manual and the US page agree, so they are stored.

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

3A3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: +5VSB 3A, 15 W.

3A1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026DC output table: +5Vsb 3A, 15W.2Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026Output Specification, 600W row: +5VSB 3A, 15W. The Brazil page prints 2.5A and 12.5W.

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

Lowest100Highest240V3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: AC input 100 V - 240 V, 50-60 Hz, full range.

Lowest100Highest240V1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026AC input: Input Voltage 100 - 240V~, Input Current 12A - 5A, Frequency 50Hz / 60Hz.2Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026600W row: input voltage 100 - 240V~, input current 12A - 5A, 50Hz / 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.

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Certifications

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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 Gold2Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 202680 Plus Gold certified, as printed in the release. The 80 PLUS list agrees.7Certification listclearesult.com/80plus/sites/80plus/files/manufacturer-certificate/SEA%20SONIC%20ELECTRONICS%20CO.%20LTD._SRP-CGX651-A5A32SF_650W_SOCE%207566_Report_0.pdfRead 14 October 202680 PLUS list entry ID 7566, model SRP-CGX651-A5A32SF, 650W, 80 PLUS Gold, tested 9/24/24 at 115V nominal and 60 Hz (typical efficiency at 50% load 91.33%).

80 PLUS White1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Page says 80 PLUS Standard Certified, which is the base 80 PLUS level. It also prints 82-86% efficiency at 20-100% load.7Certification listclearesult.com/80plus/certified-psus/Thermaltake/SMART-600W-115V-Internal-7404Read 14 October 202680 PLUS ID 7404, model SMART 600W, ATX12V, 600 W, 115V Internal, Standard, tested 2024-05-14. Rated input current 12 A, which matches the current maker page and manual. The certificate lists no sample serial.

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

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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.

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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.

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

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Measured

None of 10 known

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.

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

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

ASeasonic CORE GX-650 (2024)

Connector	Connectors	Cables	Length to first plug (mm)	Wire gauge
ATX 24-pin (20+4)	1	1	610	Not available
CPU 8-pin (EPS, 4+4)	2	2	750	16AWG
PCIe 8-pin (6+2)	2	1	700	16AWG
12V-2x6	1	1	700	16AWG
SATA power	6	2	Not available	Not available
4-pin Molex	3	1	Not available	Not available

Source3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Page 1 cable list with counts and lengths: ATX 24-pin 1 x 610 mm, ATX12V/EPS 4+4-pin 2 x 750 mm, 12V-2x6 1 x 700 mm, 12V-2x6 to 2 PCIe 1 x 700 mm, Molex x3 1 cable 690 mm, SATA with 3 connectors 2 cables 750 mm. The review says there are no native PCIe 6+2 cables and that the two traditional PCIe cables come from the 12V-2x6 socket of the PSU, so the dual 8-pin cable shares that socket with the native 12V-2x6 cable. The review gives 16 AWG for the CPU and PCIe cables. Lengths come from this single review, since Seasonic's own cable table was not readable. The SATA 750 mm and Molex 690 mm figures match Seasonic's cable table for the CORE GX family, which gives the length to the last plug, so they are not stored.4Retailer pagedekada.com/en/seasonic-psu-atx-31-650w-gold-full-modular-pcie-51-core-gx650-v2-srpcgx651a5a32sf-p-6265.htmlRead 14 October 2026Connector counts: 12VHPWR 1, PCI-Express 6+2 pin 2, Molex 3, SATA 6, 4+4 pin ATX/EPS 2, 20+4 pin ATX 1. LDLC lists the same counts for the white unit.5Retailer pageldlc.com/en/product/PB00677582.htmlRead 14 October 2026Power connectors: 2 x +12V (P8, 2 x P4), 6 x Serial ATA, 1 x ATX 20+4 pin, 3 x Molex (4 pin), 2 x PCI Express 6+2 pin, 1 x PCI Express 16 pin (12V-2x6).6Retailer pageparadigit.ie/seasonic-core-gx-atx3-1-650-w/21660874/productRead 14 October 2026One Molex connector and two PATA connectors, 3 four-pin plugs in all, matching the Noticias3D cable list.

BThermaltake Smart 600W

Connector	Connectors	Cables	Length to first plug (mm)
ATX 24-pin (20+4)	1	1	600
CPU 8-pin (EPS, 4+4)	1	1	650
PCIe 8-pin (6+2)	2	1	500
SATA power	4	1	500
4-pin Molex	4	1	500

Source1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Connector table: Main Power 24Pin x1 on 1 cable at 600mm, ATX 12V 4+4Pin x1 on 1 cable at 650mm, PCIe 6+2Pin x2 on 1 cable (500mm then 150mm), SATA x4 on 1 cable (500mm then 3 x 150mm), Peripheral 4Pin x4 on 1 cable (500mm then 3 x 150mm). The page labels the SATA plug 4Pin, which is a maker typo. Wire gauge is not published.2Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026Power Connector Introduction, 600W row: main power 20+4 pin 1, ATX 12V 4+4 pin 1, PCI-E 6+2 pin 2, SATA 5 pin 4, peripheral 4 pin 4.

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.

Sleeved3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page, cable type: individual black cables with a braided pattern. Page 1: one sleeve per wire.

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Fan

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

120mm2Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026A 120 mm hydro dynamic bearing fan with Seasonic's Smart and Silent Fan Control.3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: fan size 120 mm. The review's sample had an Ong Hua 120 mm fan.

120mm1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Product Specifications: Cooling System 120mm Fan: 1800 R.P.M. plus or minus 10%.

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.

Hydrodynamic (HDB)2Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026Hydro dynamic bearing fan, 120 mm.3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: hydro dynamic bearing (Rodamiento hidrodinamico), life 25,000 hours at 40 C, 15-65% RH.

Sleeve3Maker product pagebr.thermaltake.com/smart-600w-ps-spd-0600npcwxx-w.htmlRead 14 October 2026More Information: Cooling System 12cm sleeve fan. The page is the global P/N PS-SPD-0600NPCWxx-W (xx is the region code) and lists the 2024 US manual. The US page names no bearing.

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.

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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.

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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)3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: OCP, OPP, OTP, OVP, SCP, UVP.4Retailer pagedekada.com/en/seasonic-psu-atx-31-650w-gold-full-modular-pcie-51-core-gx650-v2-srpcgx651a5a32sf-p-6265.htmlRead 14 October 2026OPP, OCP, OTP, OVP, SCP, UVP.

Over-voltage (OVP), Over-power (OPP), Short-circuit (SCP)2Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026Total Protection: over voltage protection with trip points per rail, over power protection at 120% to 150% of full load, and short circuit protection. The manual lists no OCP, OTP or UVP.6Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Feature bullet: Industry Grade Protections OPP, OVP 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.

100,000h3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: MTBF 100,000 hours at 25 C, without the fan.6Retailer pageparadigit.ie/seasonic-core-gx-atx3-1-650-w/21660874/productRead 14 October 2026Mean time between failures 100000 h.

100,000h1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026Product Specifications: MTBF 100,000 hrs minimum. The test temperature is not stated.6Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Feature bullet: MTBF 100,000 hours. Description text: MTBF 100,000 hrs minimum.

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

No5Retailer pageldlc.com/en/product/PB00677582.htmlRead 14 October 2026LED RGB: No. The listing is for the white unit.

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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)3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: 140 x 150 x 86 mm. A retailer writes it as 140 mm (L) x 150 mm (W) x 86 mm (H). Depth 140, width 150, height 86.

Width150Height86Depth140mm(5.9 × 3.4 × 5.5 in)3Maker product pagebr.thermaltake.com/smart-600w-ps-spd-0600npcwxx-w.htmlRead 14 October 2026More Information: Dimension (W / H / D) 150mm(W) x 86mm(H) x 140mm(D). The Amazon US description copies the same size as H x W x D 86 x 150 x 140 mm.6Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Description text copied from Thermaltake: Dimension (H x W x D) 86mm x 150mm x 140mm. The Amazon table shows 8.9 x 4 x 7 inches, which is the package size and is not stored.

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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SMART power supply unit, AC power cord, User manual, Mounting screw x 42Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026Components Check: SMART power supply unit, AC power cord, user manual, mounting screw x 4.

Links

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Product page

seasonic.com/core-gx-atx-3-20241Maker product pageseasonic.com/core-gx-atx-3-2024Read 14 October 2026Seasonic's site is blocked for agents, so the page text was not read. The link is the CORE GX ATX 3.1 family page that search results name for this unit. The specs come from Seasonic's launch release, the 80 PLUS list, a review that copies Seasonic's spec table and EU retailer listings.

www.thermaltakeusa.com/smart-600w.html1Maker product pagethermaltakeusa.com/smart-600w.htmlRead 14 October 2026

Spec sheet

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Manual

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file.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdf2Owner's manualfile.thermaltake.com/file/qig/SMART500.600.700W_US_manual.pdfRead 14 October 2026

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.

7years2Press releasefunkykit.com/news/seasonic-launches-updated-core-atx-3-psu-series-with-atx-3-1-and-pcie-gen-5-1Read 14 October 2026Sea Sonic's 7-year worldwide manufacturer's warranty.3Reviewnoticias3d.com/articulo/3844/seasonic-core-gx-atx-3-2024-650w-review-apuesta-economica-ultimos-estandares.htmlRead 14 October 2026Specifications page: 7 years.4Retailer pagedekada.com/en/seasonic-psu-atx-31-650w-gold-full-modular-pcie-51-core-gx650-v2-srpcgx651a5a32sf-p-6265.htmlRead 14 October 2026Warranty 84 months.

5years5Maker product pagesupport.thermaltake.com/csWarranty.aspxRead 14 October 2026Warranty table: Power Supply, Smart Series, 5 years. The page lists series and not models and names no region for power supplies. Amazon's listing also says 5 years.6Retailer pageamazon.com/dp/B014W3EMAORead 14 October 2026Feature bullet: 5 Year. Item details: Warranty Description 5 year.

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