ASRock Steel Legend SL-1200P 1200W ATX 3.1 Power Supply, 80 PLUS Platinum, Fully Modular, 2 x 12V-2x6, 135 mm FDB Fan
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ASRock
ASRock Steel Legend SL-1200P 1200W ATX 3.1 Power Supply, 80 PLUS Platinum, Fully Modular, 2 x 12V-2x6, 135 mm FDB Fan
€258.12 inc. VAT
90-UXS120-PFEAAA
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ASRock Steel Legend SL-1200P — 1200 W ATX 3.1, 80 PLUS Platinum, Fully Modular
1200 W80 PLUS PlatinumFully modular2 × 12V-2x6
The ASRock Steel Legend SL-1200P is a 1200 W ATX 3.1 power supply with 80 PLUS Platinum certification plus Cybenetics Platinum and LAMBDA A ratings, built for high-end gaming rigs and workstations. It delivers 100 A on the +12V rail, is PCIe 5.1 ready and offers two native 12V-2x6 (12+4 pin) connectors with dual-colour design.
Every cable is fully modular, so you install only what you use. Cooling comes from a 135 mm striped axial fan with fluid dynamic bearing (FDB) and a switchable iCOOL intelligent fan mode. The unit uses 100% Japanese capacitors, measures 150 × 150 × 86 mm and carries a 10-year ASRock warranty.
Before you order: At 150 mm long it is slightly deeper than many 140 mm units. Check the PSU bay depth of compact ATX cases, and allow space for modular cable plugs.
What's in the Box
- 1 × ASRock Steel Legend SL-1200P power supply
- Modular cable set (connector counts below)
- ASRock lists a Quick Installation Guide and PSU Selection Guide as downloads; other box contents are not listed — ask us for confirmation
What It Means in Practice
- 1200 W leaves headroom for a flagship graphics card and a high-core-count CPU with room for overclocking or future upgrades.
- Two 12V-2x6 cables let you power two modern GPUs, or one GPU without adapters while keeping a spare.
- Nine SATA and three Molex connectors cover large storage builds.
- iCOOL mode can be switched on to keep the fan slower at low load, or off for constant cooling.
What Will Not Work
- It is not an SFX unit and will not fit SFF cases needing SFX/SFX-L.
- It does not include RGB/ARGB lighting.
- Modular cables are specific to this PSU — do not reuse cables from other brands or models.
- It does not provide software or USB monitoring.
Key Features
Two native 12V-2x6
Dual-colour 12+4 pin connectors for current high-end graphics cards.
Platinum efficiency
80 PLUS Platinum and Cybenetics Platinum / LAMBDA A certified.
Fully modular
Only the cables you need, for cleaner builds and better airflow.
10-year warranty
Japanese capacitors and full OCP/SCP/OVP/UVP/OTP/OPP protection.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight · Buyer's Guide
The SL-1200P is a long-term PSU: Platinum efficiency, fully modular cabling, two native 12V-2x6 connectors and a 10-year warranty make it a good base for flagship GPUs and builds you will upgrade over years. Check case depth (150 mm), then compare with other units in our PC power supplies.
✓ Buy it if you are building a high-end gaming PC or workstation and want 1200 W, Platinum efficiency and modular cables.
✕ Skip it if your build draws well under 700 W, or your case needs an SFX unit.
→ Also consider the ASRock PRO-850G (850 W, Gold) for single-GPU mainstream builds.
Not sure which wattage you need? Send us your CPU, GPU and drives and we will check the power budget before you order.
Features - ASRock - 90-UXS120-PFEAAA
More Details
Product Code
04:593416
EAN Code
4711581492714
Manufacturer
ASRock