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🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥
Have a similar item? Sell yours
Overview & Specs
Condition
Brand New in Box
Description from Seller

Fully Modular Micro-Fit PSU Connectors: CORSAIR Type 5 Gen 1 micro-fit PSU cables mean you only connect the cables your system needs while taking up less space. Intel ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting the PCIe Gen 5.1 platform and resisting transient power spikes. Zero RPM Fan Mode Support: At low and medium loads the cooling fan switches off entirely for near-silent operation. 100% 105°C-Rated Japanese Electrolytic Capacitors: Premium internal components deliver unwavering power delivery and long-term reliability. Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.

If you’re looking at this, you already know this isn’t a budget PSU.

This is a 100% Brand New, Factory Sealed in Box Corsair RM1200x Shift — untouched, complete, and ready to power a serious build.

⚡ WHY THIS IS THE SMART BUY: ✅ Brand New = Zero Risk (no wear, no missing cables, no unknown history) ✅ Full Lifespan Ahead – exactly how it comes from the factory ✅ Complete & Untouched – everything sealed inside

💰 THE REAL VALUE

Retail pricing on this unit typically sits around $250–$270 + tax

👉 That means real out-the-door cost is often $270–$290+

You’re getting the same sealed unit — without paying full retail overhead.

🔥 BUILT FOR HIGH-END SYSTEMS: 1200W Headroom – Perfect for RTX 4080 / 4090 / 5080 / 5090 builds ATX 3.1 Certified – Designed for modern power demands PCIe 5.1 / 12V-2x6 Ready – Native support for next-gen GPUs SHIFT Side Cable Design – Easier installs + cleaner builds 80+ Gold Efficiency – Lower heat, quieter operation Japanese Capacitors

📦 CONDITION 🟢 Brand New – Factory Sealed in Box 🟢 Never opened, never used 🟢 Ready to ship immediately

⏳ WHY BUY THIS ONE:

You have 3 choices:

Pay full retail + tax Risk used/open-box units Lock in a sealed unit at a better value

🚀 SELLER PROMISE- Choose UPS at Checkout Please Fast shipping ⚡ Secure packaging 📦 No nonsense, no surprises ⭐

If you’re building a high-end rig, this is one of the few components you don’t cut corners on.

👉 Get it sealed. Get it right. Be done with it.

Specifications
  • Brand
    Corsair
  • Wattage
    1200W
  • Form Factor
    ATX
Shipping & Returns
Shipping
Estimated arrival
Buyer Protection Policy (14 days)
  • No Returns
Published 4/23/2026|Expires 5/26/2026

🔥 SEALED Corsair RM1200x SHIFT 1200W PSU ATX 3.1 / PCIe 5.1 / 80+ Gold RTX 5090 & 4090 Beast Ready 🔥

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Extra-Tech
Have a similar item? Sell yours
Overview & Specs
Condition
Brand New in Box
Description from Seller

Fully Modular Micro-Fit PSU Connectors: CORSAIR Type 5 Gen 1 micro-fit PSU cables mean you only connect the cables your system needs while taking up less space. Intel ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting the PCIe Gen 5.1 platform and resisting transient power spikes. Zero RPM Fan Mode Support: At low and medium loads the cooling fan switches off entirely for near-silent operation. 100% 105°C-Rated Japanese Electrolytic Capacitors: Premium internal components deliver unwavering power delivery and long-term reliability. Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.

If you’re looking at this, you already know this isn’t a budget PSU.

This is a 100% Brand New, Factory Sealed in Box Corsair RM1200x Shift — untouched, complete, and ready to power a serious build.

⚡ WHY THIS IS THE SMART BUY: ✅ Brand New = Zero Risk (no wear, no missing cables, no unknown history) ✅ Full Lifespan Ahead – exactly how it comes from the factory ✅ Complete & Untouched – everything sealed inside

💰 THE REAL VALUE

Retail pricing on this unit typically sits around $250–$270 + tax

👉 That means real out-the-door cost is often $270–$290+

You’re getting the same sealed unit — without paying full retail overhead.

🔥 BUILT FOR HIGH-END SYSTEMS: 1200W Headroom – Perfect for RTX 4080 / 4090 / 5080 / 5090 builds ATX 3.1 Certified – Designed for modern power demands PCIe 5.1 / 12V-2x6 Ready – Native support for next-gen GPUs SHIFT Side Cable Design – Easier installs + cleaner builds 80+ Gold Efficiency – Lower heat, quieter operation Japanese Capacitors

📦 CONDITION 🟢 Brand New – Factory Sealed in Box 🟢 Never opened, never used 🟢 Ready to ship immediately

⏳ WHY BUY THIS ONE:

You have 3 choices:

Pay full retail + tax Risk used/open-box units Lock in a sealed unit at a better value

🚀 SELLER PROMISE- Choose UPS at Checkout Please Fast shipping ⚡ Secure packaging 📦 No nonsense, no surprises ⭐

If you’re building a high-end rig, this is one of the few components you don’t cut corners on.

👉 Get it sealed. Get it right. Be done with it.

Specifications
  • Brand
    Corsair
  • Wattage
    1200W
  • Form Factor
    ATX
Shipping & Returns
Shipping
Estimated arrival
Buyer Protection Policy (14 days)
  • No Returns