We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black fully modular ATX power supply with rotatable AC inlet and USB hub

Lian Li

Lian Li RS1200G.BH 1200 W ATX 3.1 power supply

SKU CH-J81B-DEWPE MPN RS1200G.BH

Fully modular ATX 3.1 unit delivers 1200 W with a rotatable AC inlet, dual-sided 24-pin output, USB 2.0 hub and 12V-2x6 cable rated for 600 W

  • Max wattage1200 W
  • Modular cablingFull Modular
  • Fan configuration1 × 135 mm FDB Fan
  • Power factor correctionActivePFC, PF > 0.9 underfull load@ 115Vac, 60 Hz
  • Efficiency certification80 Plus Gold / CybeneticsGold / PPLP Gold
  • Built-in protectionOCP/OVP/OTP/OPP/SCP/UVP/NLP/SIP

Model ATX 3.1 80+ Gold (1200W w/ Hub) Black

  • Rotatable AC inlet simplifies cable routing in standard and back-connect builds
  • Fully modular design with soft flat cables and magnetic ties eases cable management
  • 135 mm FDB fan with fanless mode keeps noise low at light loads
  • Cybenetics Platinum and 80 Plus Gold certifications confirm high efficiency
  • 12V-2x6 600 W cable with robust terminals supports PCIe 5.1 graphics cards

Power and topology

The Lian Li RS1200G.BH is a fully modular ATX 3.1 power supply rated for 1200 W. It meets 80 Plus Gold, Cybenetics Platinum and PPLP Gold efficiency standards with active PFC above .90 at 115 V input.

Builds that benefit and those that will not

This unit suits high-end desktop systems that need PCIe 5.1 and 12V-2×6 600 W GPU power with clean cable routing via the rotatable AC inlet and dual-sided 24-pin output. Builders who do not require 1200 W or the new connector standard should look at smaller, less complex units.

Capacity headroom

The 1200 W rating comfortably handles multi-GPU configurations and overclocked CPUs while the 135 mm FDB fan runs in a fanless mode at low load. Headroom diminishes only when sustained draw approaches the maximum rated output.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $114.99
Cheaper than about 61% of the 10,869 comparable items (median $142.99).
Max wattage 1200 W
Higher than about 90% of the 930 comparable items (median 850 W).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameLIAN LI
Product lineRS series
Product colorBlack
Product typeATX (ATX 3.1 Compatible)
Ports & slots
Connection types24/20-Pin motherboardconnector(620 mm) * 1pc
8 PinCPU/ATX 12 V connector(700 mm) * 1pc
4+4 PinCPU/ATX 12 V connector(700 mm) * 1pc
6+2 PinGPU connector(650 mm+100 mm) * 1pc
6+2 PinGPU connector(650 mm) * 3pcs
12 V-2 × 6 600 W connector(650 mm) * 1pc
SATA connector(300+15+15+15 mm) * 1pc
SATA-Y connector(375+150 mm) * 1pc
SATA connector(400+150+150+150 mm) * 1pc
PATA connector(500+150+150+150 mm) * 1pc
USB 9pin-9pin(470 mm)* 1pc
USB 9pin-TypeA(550 mm)* 1pc
Power
Max wattage1200 W
Modular cablingFull Modular
Power factor correctionActivePFC, PF > 0.9 underfull load@ 115Vac, 60 Hz
Efficiency certification80 Plus Gold / CybeneticsGold / PPLP Gold
Built-in protectionOCP/OVP/OTP/OPP/SCP/UVP/NLP/SIP
Supply voltage100–240 V
AC input frequency50/60 Hz
Size & build
Product dimensions12.8 in × 8.19 in × 5.12 in
Product weight6.26 lb (2.84 kg)
Shipping weight3.63 kg
Package size330 × 224 × 140 mm
More details
Fan configuration1 × 135 mm FDB Fan

Other versions of this model

2 more in the same range

Questions about this item

Which motherboard power connectors are required for this PSU to function?

The PSU includes a 24/20-pin motherboard connector at 620 mm, an 8-pin CPU/ATX 12V connector at 700 mm and a 4+4-pin CPU/ATX 12V connector at 700 mm.

Can I keep my existing SATA-powered drives and peripherals with this unit?

Yes, the included RS Hub is powered via a SATA cable and provides a USB 2.0 hub with magnetic attachments for easy integration.

How do I verify the 12V-2x6 cable is delivering power correctly after installation?

The 12V-2x6 cable uses dual-colour housing and robust terminals; confirm the GPU receives power and the 135 mm FDB fan spins under load.

More in ATX Desktop Power Supplies

Similar items