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Antec Signature 1300 Platinum vs Corsair HX1500i: Comparison

Antec Signature 1300 Platinum vs Corsair HX1500i: the wattage difference

On wattage the spread is 13%, Antec Signature 1300 Platinum 1300 W against Corsair HX1500i 1500 W, so Corsair HX1500i takes it. Antec Signature 1300 Platinum also leads on pcie 8-pin connectors, 12 on the Antec Signature 1300 Platinum versus 7 on the Corsair HX1500i.

Which should you buy, Antec Signature 1300 Platinum or Corsair HX1500i?

The Antec Signature 1300 Platinum suits builders targeting a workstation or multi-GPU build with serious headroom and anyone who wants fully modular cabling with native 12V-2x6 support, though it is not the pick for builds needing more than 1300W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint. Buy the Corsair HX1500i for builders targeting an extreme multi-GPU or high-core-count workstation and anyone who wants fully modular cabling with native 12V-2x6 support, though it is the wrong buy for builds needing more than 1500W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint. Our rating of the Antec Signature 1300 Platinum (8.8/10): A best-in-class 1300W Platinum-rated ATX unit for a workstation or multi-GPU build with serious headroom, held back only by its premium price.

Where the two are identical

Where they agree, they agree completely, modularity, warranty, 80 plus rating, form factor and cybenetics efficiency included, so the decision does not turn on any of those. They match on 5 further specifications as well.

Which is cheaper, Antec Signature 1300 Platinum or Corsair HX1500i?

The Corsair HX1500i asks 31% more, $380 against $290 for the Antec Signature 1300 Platinum.

Frequently asked questions

Do the Antec Signature 1300 Platinum and Corsair HX1500i differ on fan size?

Yes. Fan Size reads 135 mm on the Antec Signature 1300 Platinum versus 140 mm on the Corsair HX1500i.

Is the Zero-RPM Mode the same on the Antec Signature 1300 Platinum and Corsair HX1500i?

It is. Both are listed at Yes, so it is not a reason to pick one over the other.

Specs and benchmarks

  • Brand

    Antec Signature 1300 Platinum
    Antec
    Corsair HX1500i
    Corsair
  • Wattage

    Antec Signature 1300 Platinum
    1300 W-13%
    Corsair HX1500i
    1500 WBest
  • 80 PLUS Rating

    Antec Signature 1300 Platinum
    Platinum
    Corsair HX1500i
    Platinum
  • Model Number

    Antec Signature 1300 Platinum
    Signature Platinum 1300
    Corsair HX1500i
    HX1500i
  • ATX Standard

    Antec Signature 1300 Platinum
    ATX 2.x
    Corsair HX1500i
    ATX 3.1
  • Form Factor

    Antec Signature 1300 Platinum
    ATX
    Corsair HX1500i
    ATX
  • +12V Rail Amperage

    Antec Signature 1300 Platinum
    108 A
    Corsair HX1500i
    125 A
  • Cybenetics Efficiency

    Antec Signature 1300 Platinum
    Platinum
    Corsair HX1500i
    Platinum
  • Cybenetics Noise

    Antec Signature 1300 Platinum
    None
    Corsair HX1500i
    A-
  • PCIe CEM Standard

    Antec Signature 1300 Platinum
    None
    Corsair HX1500i
    PCIe 5.1
  • 12V-2x6 Connectors

    Antec Signature 1300 Platinum
    0
    Corsair HX1500i
    1
  • Hold-Up Time

    Antec Signature 1300 Platinum
    21 ms-4%
    Corsair HX1500i
    21.8 ms
  • Zero-RPM Mode

    Antec Signature 1300 Platinum
    Yes
    Corsair HX1500i
    Yes
  • Sleeved Cables

    Antec Signature 1300 Platinum
    Yes
    Corsair HX1500i
    No
  • Measured Avg Efficiency

    Antec Signature 1300 Platinum
    89.97 %Best
    Corsair HX1500i
    89.69 %
  • PCIe 8-pin Connectors

    Antec Signature 1300 Platinum
    12
    Corsair HX1500i
    7-42%
  • Measured Average Noise

    Antec Signature 1300 Platinum
    47.79 dBA
    Corsair HX1500i
    27.55 dBABest
  • Connector Count

    Antec Signature 1300 Platinum
    1x 24-pin ATX, 2x EPS 4+4, 12x PCIe 6+2-pin, 14x SATA, 5x Molex, 1x FDD
    Corsair HX1500i
    1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6, 7x PCIe 6+2-pin, 8x SATA, 8x Molex
  • Fan Size

    Antec Signature 1300 Platinum
    135 mm
    Corsair HX1500i
    140 mm
  • Fan Model / Bearing

    Antec Signature 1300 Platinum
    Hong Hua HA13525H12F-Z, fluid dynamic bearing
    Corsair HX1500i
    140mm NR140P, fluid dynamic bearing
  • OEM / Platform

    Antec Signature 1300 Platinum
    Seasonic
    Corsair HX1500i
    CWT
  • Japanese Capacitors

    Antec Signature 1300 Platinum
    Yes
    Corsair HX1500i
    Yes
  • EPS 8-pin Connectors

    Antec Signature 1300 Platinum
    2
    Corsair HX1500i
    2
  • SATA Connectors

    Antec Signature 1300 Platinum
    14
    Corsair HX1500i
    8
  • Molex Connectors

    Antec Signature 1300 Platinum
    5
    Corsair HX1500i
    8
  • Cable Lengths

    Antec Signature 1300 Platinum
    ATX 600mm, EPS 650mm, PCIe 670+70mm, SATA 400+115+115+115mm and 350+150+150+150mm, Molex 450+120+120mm and 350+120mm
    Corsair HX1500i
    ATX 600mm, EPS 650mm, PCIe 650mm and 670+100mm, 12V-2x6 650mm, SATA 460+115+115+115mm, Molex 450+100+100+100mm
  • Length

    Antec Signature 1300 Platinum
    170 mm
    Corsair HX1500i
    200 mm
  • Colour

    Antec Signature 1300 Platinum
    Black
    Corsair HX1500i
    Black
  • Fan Bearing

    Antec Signature 1300 Platinum
    Fluid Dynamic
    Corsair HX1500i
    Fluid Dynamic
  • Modularity

    Antec Signature 1300 Platinum
    Fully Modular
    Corsair HX1500i
    Fully Modular
  • Protections

    Antec Signature 1300 Platinum
    OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
    Corsair HX1500i
    OCP, OVP, OPP, SCP, OTP, UVP
  • Price

    Antec Signature 1300 Platinum
    289.99 USD
    Corsair HX1500i
    379.99 USD
  • Warranty

    Antec Signature 1300 Platinum
    10 years
    Corsair HX1500i
    10 years

    Which one should you pick?

    Choose Antec Signature 1300 Platinum if you want the higher PCIe 8-pin connectors (12 vs 7) and the higher warranty (10 years vs 10 years).

    Choose Corsair HX1500i if you want the higher wattage (1500 W vs 1300 W) and the higher Hold-Up time (21.8 ms vs 21 ms).

    Price comparison

    RetailerAntec Signature 1300 PlatinumCorsair HX1500i
    Amazon

    $289.99

    View on Amazon
    View on Amazon
    Newegg

    $379.99

    View on Newegg

    Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

    Verdict

    Antec Signature 1300 Platinum

    8.8 / 10 Expert Rating

    A best-in-class 1300W Platinum-rated ATX unit for a workstation or multi-GPU build with serious headroom, held back only by its premium price.

    Corsair HX1500i

    8.8 / 10 Expert Rating

    A best-in-class 1500W Platinum-rated ATX unit for an extreme multi-GPU or high-core-count workstation, held back only by its premium price.

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