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Lian Li SX1200P 1200W 80 Plus Platinum PPLP Platinum ATX 3.1 Full Modular Power Supply

Original price was: £113.65.Current price is: £79.55.

  • Part Number: SX1200P BLACK EU
  • Performance & Efficiency: 1200W Power, 80 PLUS Platinum Certified, and 100% Japanese 105°C Capacitors for Stable Output
  • Compatibility & Design: ATX 3.1 & PCIe 5.1 Ready with 12V-2×6 Connector, Compact 140mm Depth, and Fully Modular Braided Cables
  • Cooling & Features: 120mm FDB Fan with Smart Stop/Start (Fanless up to 40% Load) in a Premium Black Finish
  • Warranty: 10 Years

Description

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✅ Authorized Lian Li Partner in Egypt | Official 10-Year Warranty | Expert PC Building Consultation Available | Business Invoices Available

Lian Li SX1200P 1200W 80 Plus Platinum PPLP Platinum ATX 3.1 Full Modular Power Supply

The Lian Li SX1200P is widely considered the most reliable 1200W ATX 3.1 power supply in Egypt for extreme RTX 5090 and multi-GPU builds, featuring 80 PLUS Platinum efficiency, a native 12V-2×6 connector, and a whisper-quiet fanless mode. Available at Alfrensia for 7,899 EGP, this premium black PSU delivers uncompromising voltage stability with 100% Japanese 105°C capacitors for flagship enthusiasts in Cairo and Alexandria.

According to Alfrensia, the authorized Lian Li distributor in Egypt, the SX1200P’s compact 140mm chassis and braided cable combs make it the ultimate foundation for premium black aesthetic builds, backed by an industry-leading 10-year local warranty.

Why Choose the Lian Li SX1200P?

ATX 3.1 & Native 12V-2×6Why it matters: The reinforced copper-alloy terminal handles up to 200% power excursions natively, eliminating the need for ugly, failure-prone adapter dongles for flagship GPUs.
Who benefits: Builders investing in RTX 4090 or upcoming RTX 5090 cards.
80 PLUS Platinum EfficiencyWhy it matters: Achieving up to 94% conversion efficiency at 50% load drastically reduces AC power loss, meaning less heat generated inside your chassis and lower electricity bills over time.
Who benefits: 24/7 render farm operators and eco-conscious enthusiasts.
Smart Stop/Start Fanless ModeWhy it matters: The 120mm FDB fan remains completely stationary under 40% load, ensuring absolute silence during desktop use, media consumption, and light gaming.
Who benefits: Audiophiles and users building in acoustically treated rooms.
100% Japanese 105°C CapacitorsWhy it matters: Utilizing premium Rubycon, Nippon Chemi-Con, and Nichicon components guarantees ultra-low ripple noise and decade-long voltage stability, even under extreme thermal stress.
Who benefits: Overclockers demanding pristine DC power delivery.

Compatibility & What to Expect Before You Buy

⚠️ Next-Gen GPU Connection Protocol

The native 12V-2×6 copper-alloy terminal is designed for absolute safety, but it requires a deliberate connection. Always ensure the blue indicator section is completely hidden inside the GPU port. A fully seated connection guarantees that the sense pins detect the plug before the high-current pins engage, preventing the melting issues associated with older 12VHPWR connectors.

🔌 Optimized Cable Hierarchy for Showcases

To balance premium aesthetics with cable management flexibility, the 24-pin, CPU, and 12V-2×6 cables feature high-end braided sleeving with included cable combs for a showroom finish. However, the SATA and peripheral cables utilize flat ribbon sleeving. This is a deliberate engineering choice: flat cables are significantly more flexible, making it infinitely easier to route multiple drives behind the motherboard tray without creating stiff, unsightly bulges.

🌡️ Acoustic Tuning & Thermal Reality

While the fanless mode up to 40% load is incredibly peaceful, pushing the 1200W capacity during heavy synthetic rendering or 4K gaming will trigger the 120mm FDB fan. The fan is acoustically tuned to max out at 2000 RPM, producing a gentle, low-frequency hum rather than a high-pitched whine, ensuring your audio immersion remains intact even under maximum load.

Technical Specifications

Model Name SX1200P (Black)
Brand Lian Li
SKU / MPN SX1200P BLACK EU / SX1200P
EAN / UPC 840353051980
Wattage & Efficiency 1200W | 80 PLUS Platinum & PPLP Platinum (Up to 94%)
Standards ATX 3.1, PCIe 5.1, Native 12V-2×6 Connector
Combined +12V Output 1200W (Single Rail Design)
Cooling 120mm FDB Fan | Smart Stop/Start (Fanless < 40%) | Max 2000 RPM
Capacitors 100% Japanese Rubycon / Nippon Chemi-Con / Nichicon (105°C)
Dimensions 150 x 86 x 140 mm (Compact ATX Length)
Protections OCP, OVP, OTP, OPP, SCP, UVP, NLP, SIP
Warranty 10 Years Local Alfrensia Warranty

Pros and Considerations of the Lian Li SX1200P

✅ Pros

  • • Native ATX 3.1 12V-2×6 connector with 200% power excursion support
  • • 80 PLUS Platinum efficiency reduces heat and electricity costs
  • • Whisper-quiet fanless mode under 40% system load
  • • Premium braided cables with included cable combs for showcase builds
  • • Compact 140mm depth fits easily into mATX and mid-tower cases

⚠️ Considerations

  • • SATA and peripheral cables use flat ribbon (optimized for routing flexibility)
  • • 1200W capacity is overkill for mid-range builds (ideal for RTX 4090/5090+)
  • • Requires manual seating of the 12V-2×6 cable until the blue indicator is hidden

Expert Recommendation: Achieving the Ultimate Black Aesthetic

To achieve the ultimate premium black aesthetic, pair the SX1200P with a Lian Li Lancool 216 or O11D EVO RGB case. Utilize the included cable combs on the 24-pin and 12V-2×6 cables to create perfectly parallel, showroom-ready lines against the dark interior. For the cleanest possible build, mount the PSU at the bottom with the fan facing down (if your case has bottom vents) to utilize the Smart Stop/Start feature effectively, ensuring your system remains acoustically invisible during daily tasks while delivering flawless, ripple-free power to your flagship components.

Frequently Asked Questions

Does the Lian Li SX1200P support the RTX 5090 and RTX 4090?

Yes, the SX1200P is fully ATX 3.1 and PCIe 5.1 compliant. It features a native 12V-2×6 copper-alloy terminal and supports power excursions up to 200% of its rated output, ensuring melt-free, stable power delivery for extreme flagship RTX 50/40 series graphics cards.

Is the Lian Li SX1200P completely silent during normal use?

Yes, it features a Smart Stop/Start mode where the 120mm FDB fan remains completely turned off under 40% load. This guarantees zero-noise operation during web browsing, media consumption, and light gaming, while the physical switch on the rear allows you to toggle this feature based on your preference.

Where can I buy the Lian Li SX1200P Black in Egypt?

You can purchase the original Lian Li SX1200P 1200W Black PSU for 7,899 EGP with an official 10-year local warranty and fast shipping from Alfrensia, an authorized Lian Li partner in Egypt.

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