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be quiet! Pure Power 12 550W vs Lian Li SP750: Comparison

be quiet! Pure Power 12 550W vs Lian Li SP750: the wattage difference

On wattage the spread is 27%, be quiet! Pure Power 12 550W 550 W against Lian Li SP750 750 W, so Lian Li SP750 takes it. be quiet! Pure Power 12 550W also leads on warranty, 10 years on the be quiet! Pure Power 12 550W versus 5 years on the Lian Li SP750. Lian Li SP750 also leads on pcie 8-pin connectors, 2 on the be quiet! Pure Power 12 550W versus 3 on the Lian Li SP750.

Which should you buy, be quiet! Pure Power 12 550W or Lian Li SP750?

The be quiet! Pure Power 12 550W is the one to take for Quiet mainstream gaming builds and RTX 4060/RX 7600-class GPUs, though it is not the pick for anyone wanting fully modular cables and high-end or multi-GPU builds. The Lian Li SP750 suits Lian Li SFF case builds (A4-H2O and similar) and RTX 4070/4080-class GPUs in small cases, though it is the wrong buy for anyone chasing Platinum-or-better efficiency and standard ATX tower builds. Our rating of the be quiet! Pure Power 12 550W (7.8/10): A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity. Our rating of the Lian Li SP750 (7.9/10): A solid SFX Gold option for Lian Li SFF builds, though the Corsair SF750 beats it on efficiency at a similar price.

Which is cheaper, be quiet! Pure Power 12 550W or Lian Li SP750?

The Lian Li SP750 asks 100% more, $150 against $74.99 for the be quiet! Pure Power 12 550W.

Frequently asked questions

Do the be quiet! Pure Power 12 550W and Lian Li SP750 differ on fan size?

Yes. Fan Size reads 120 mm on the be quiet! Pure Power 12 550W versus 92 mm on the Lian Li SP750.

Is the 80 PLUS Rating the same on the be quiet! Pure Power 12 550W and Lian Li SP750?

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

Specs and benchmarks

  • Brand

    be quiet! Pure Power 12 550W
    be quiet!
    Lian Li SP750
    Lian Li
  • Wattage

    be quiet! Pure Power 12 550W
    550 W-27%
    Lian Li SP750
    750 WBest
  • 80 PLUS Rating

    be quiet! Pure Power 12 550W
    Gold
    Lian Li SP750
    Gold
  • Model Number

    be quiet! Pure Power 12 550W
    Pure Power 12 550W
    Lian Li SP750
    SP750
  • ATX Standard

    be quiet! Pure Power 12 550W
    ATX 3.1
    Lian Li SP750
    ATX 2.x
  • Form Factor

    be quiet! Pure Power 12 550W
    ATX
    Lian Li SP750
    SFX
  • 12V-2x6 Connectors

    be quiet! Pure Power 12 550W
    1
    Lian Li SP750
    0
  • Zero-RPM Mode

    be quiet! Pure Power 12 550W
    No
    Lian Li SP750
    Yes
  • Sleeved Cables

    be quiet! Pure Power 12 550W
    Yes
    Lian Li SP750
    Yes
  • PCIe 8-pin Connectors

    be quiet! Pure Power 12 550W
    2-33%
    Lian Li SP750
    3
  • Connector Count

    be quiet! Pure Power 12 550W
    1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, 1x Molex (all fixed)
    Lian Li SP750
    1x 24-pin ATX, 2x EPS 4+4, 3x PCIe 6+2-pin, 8x SATA, 4x Molex
  • Fan Size

    be quiet! Pure Power 12 550W
    120 mm
    Lian Li SP750
    92 mm
  • Fan Model / Bearing

    be quiet! Pure Power 12 550W
    120mm be quiet! fan, rifle bearing
    Lian Li SP750
    92mm fluid dynamic bearing
  • OEM / Platform

    be quiet! Pure Power 12 550W
    HEC
    Lian Li SP750
    Helly
  • EPS 8-pin Connectors

    be quiet! Pure Power 12 550W
    1
    Lian Li SP750
    2
  • SATA Connectors

    be quiet! Pure Power 12 550W
    5
    Lian Li SP750
    8
  • Molex Connectors

    be quiet! Pure Power 12 550W
    1
    Lian Li SP750
    4
  • Cable Lengths

    be quiet! Pure Power 12 550W
    24-pin 600mm, max cable length 550mm
    Lian Li SP750
    24-pin 400mm, EPS 400mm, PCIe 400mm, SATA 400-550mm
  • Length

    be quiet! Pure Power 12 550W
    160 mm
    Lian Li SP750
    100 mm
  • Colour

    be quiet! Pure Power 12 550W
    Black
    Lian Li SP750
    Black
  • MTBF

    be quiet! Pure Power 12 550W
    100000 hours
    Lian Li SP750
    100000 hours
  • Modularity

    be quiet! Pure Power 12 550W
    Non-Modular
    Lian Li SP750
    Fully Modular
  • Protections

    be quiet! Pure Power 12 550W
    OTP, OCP, OPP, SCP, OVP, UVP, SIP
    Lian Li SP750
    OCP, OPP, UVP, OVP, OTP, SCP
  • Price

    be quiet! Pure Power 12 550W
    74.99 USD
    Lian Li SP750
    149.99 USD
  • Warranty

    be quiet! Pure Power 12 550W
    10 yearsBest
    Lian Li SP750
    5 years-50%

    Which one should you pick?

    Choose be quiet! Pure Power 12 550W if you want the higher MTBF (100000 hours vs 100000 hours) and the higher warranty (10 years vs 5 years).

    Choose Lian Li SP750 if you want the higher wattage (750 W vs 550 W) and the higher PCIe 8-pin connectors (3 vs 2).

    Price comparison

    Retailerbe quiet! Pure Power 12 550WLian Li SP750
    Amazon

    $74.99

    View on Amazon

    $149.99

    View on Amazon

    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

    be quiet! Pure Power 12 550W

    7.8 / 10 Expert Rating

    A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity.

    Lian Li SP750

    7.9 / 10 Expert Rating

    A solid SFX Gold option for Lian Li SFF builds, though the Corsair SF750 beats it on efficiency at a similar price.

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