TechShelf Guide

PC Power Supplies & Cables: SFX, ATX, or a Tesla-Specific Cable?

Choose between three complete power supplies and a purpose-specific Tesla cable by prioritizing form factor, condition, output figure, standards wording, and the clearly different roles these items serve.

Last updated Aug 24, 2026

Choosing pc power supplies & cables gets confusing when the choices do not all perform the same job. Three selections are complete power supplies, while one is a named connector cable. The useful first decision is whether the build needs an SFX or ATX unit, a particular listed output figure, or a Dual PCIe 8Pin to CPU 8Pin cable for the NVIDIA TESLA models named.

The listed-price range spans USD 120.10 from end to end. That spread matters, but role comes first: a low-priced cable is not a substitute for a complete power supply.

Quick take

Start by separating full-system power needs from cable needs. The EVGA SuperNOVA 450 GM, Enermax MaxRevo 1350W, and MSI MPG A1000G are complete power-supply choices; the Dual PCIe 8Pin to CPU 8Pin Cable is the narrowly specified cable route. After that, use the stated form factor, condition, output wording, and standards labels to narrow the choice.

Listed price comparison

ItemListed pricePrice position
EVGA SuperNOVA 450 GMUSD 70.00
Enermax MaxRevo 1350WUSD 64.89
MSI MPG A1000GUSD 130.00
Dual PCIe 8Pin to CPU 8Pin CableUSD 9.90

The Enermax is priced below the other complete power supplies, while the MSI sits at the top of the displayed range. The cable occupies a distinctly different price bracket because it is not a power unit.

Decision matrix

  • Form-factor requirement: The EVGA is listed as SFX, while the MSI is listed as ATX.
  • Condition preference: EVGA, MSI, and the Dual PCIe 8Pin to CPU 8Pin Cable are marked new; the Enermax is marked used.
  • Specific standards wording: PCIE 5.0 and ATX 3.0 appear in the MSI name, making it the direct match for shoppers seeking those phrases.
  • Connector-only task: The Dual PCIe 8Pin to CPU 8Pin Cable is aimed at the NVIDIA TESLA K80, P40, and P100 names in its title rather than providing system power.

Product notes

EVGA SuperNOVA 450 GM

EVGA SuperNOVA 450 GM 450W 80 Plus Gold SFX Fully Modular Power Supply. New

The EVGA SuperNOVA 450 GM is the focused pick when the stated SFX form factor is the deciding requirement. Its fully modular design and listed connector set-24 Pin, 4+4 CPU, 6+2 Pin PCI Express, SATA, and 4 Pin Peripheral-give a clear outline of its cable connections. ECO Mode with a DBB Fan is also named. At USD 70.00, it is one of the complete power-supply choices in the middle of the range. Its key limitation is the 450W listed output, which does not match the 1000W or 1350W figures explicitly attached to the other complete units.

Enermax MaxRevo 1350W

Enermax MaxRevo 1350W Modular PC Power Supply 80 PLUS Gold EMR1350EWT w/ Cables

Enermax MaxRevo 1350W makes sense when 1350W and fully modular cable connectivity are the named requirements. The description also identifies six independent +12V rails and a 115-240 VAC voltage listing, useful reference points for a shopper matching specific power specifications. Its USD 64.89 listed price is below the EVGA and MSI complete power supplies. The central limitation is condition: it is marked used, whereas the EVGA and MSI units are marked new. That distinction should carry real weight rather than being overshadowed by the close listed price to the EVGA.

MSI MPG A1000G

MPG A1000G PCIE 5.0 & ATX 3.0 Gaming Power Supply - Full Modular - 80 Plus Gold

The MSI MPG A1000G is the clearest fit for a new ATX unit carrying PCIE 5.0 and ATX 3.0 in its title. It is full modular, lists a 1000W output, and names 100% Japanese 105°C capacitors. Its connector list includes 24 Pin, 4+4 CPU, 6+2 Pin PCI Express, SATA I, and 4 Pin Peripheral. The limitation within this selection is its USD 130.00 listed price, the highest displayed. That figure is worth weighing against the explicit standards wording rather than treating price alone as proof of a performance difference.

Dual PCIe 8Pin to CPU 8Pin Cable for NVIDIA TESLA K80, P40, and P100

Dual PCIe 8Pin to CPU 8Pin Power Cable for NVIDIA TESLA K80 P40 P100 (12.5CM

The Dual PCIe 8Pin to CPU 8Pin Cable is the specialist choice when the task is the connector configuration named for NVIDIA TESLA K80, P40, and P100. It is marked new and listed as Type: Cable, with a USD 9.90 price. Its role is easy to separate from the three power supplies: it is a cable rather than a complete power unit. The limitation is equally important: the named Tesla-oriented connector use is much narrower than selecting an SFX or ATX power supply for a full build. Choose it when that specific cable format is the item being sought.

Final recommendation by use case

  • Choose the EVGA SuperNOVA 450 GM for a 450W fully modular power supply with the stated SFX form factor.
  • Choose the Enermax MaxRevo 1350W when the 1350W output and fully modular cable connectivity are the priority and a used unit suits the plan.
  • Choose the MSI MPG A1000G for a 1000W ATX power supply with the PCIE 5.0 and ATX 3.0 wording in its name.
  • Choose the Dual PCIe 8Pin to CPU 8Pin Cable when buying a named Tesla cable configuration rather than a complete power supply.
Products in this article
EVGA SuperNOVA 450 GM 450W 80 Plus Gold SFX Fully Modular Power Supply. NewUSD 70.00View on eBayEnermax MaxRevo 1350W Modular PC Power Supply 80 PLUS Gold EMR1350EWT w/ CablesUSD 64.89View on eBayMPG A1000G PCIE 5.0 & ATX 3.0 Gaming Power SupplyUSD 130.00View on eBayDual PCIe 8Pin to CPU 8Pin Power CableUSD 9.90View on eBay
EVGA SuperNOVA 450 GM 450W 80 Plus Gold SFX Fully Modular Power Supply. NewUSD 70.00View on eBayEnermax MaxRevo 1350W Modular PC Power Supply 80 PLUS Gold EMR1350EWT w/ CablesUSD 64.89View on eBayMPG A1000G PCIE 5.0 & ATX 3.0 Gaming Power SupplyUSD 130.00View on eBayDual PCIe 8Pin to CPU 8Pin Power CableUSD 9.90View on eBay

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