Corsair HX1500i
1500W 80+ Platinum, full-modular, no native 12VHPWR - adapter required for RTX 40-series.
Official India stock. Full warranty through the brand's India service network, standard RMA if anything goes wrong.
Full specs
Where to buy Corsair HX1500i in India
Expect to pay roughly ₹34,300-37,800 for the Corsair HX1500i in India right now, depending on offers and seller. I always recommend buying from retailers that give a proper GST invoice - it's what makes your India warranty claim smooth later.
In my years running a PC store, PrimeABGB (Mumbai) and Vedant Computers (Kolkata) have also been consistently reliable for verified stock - compare before buying.
Corsair HX1500i Review India 2026: 1500W Platinum PSU for RTX 5090 Builds
Corsair HX1500i: The 1500W Step-Up for RTX 5090 and Dual-GPU Builds
I've had the HX1200i on GetPC's PSU list for a while now, and every few weeks someone writes in asking the same question: what do I run above it? If you're building around an RTX 5090, or running two GPUs in the same box for local AI work, the honest answer is the Corsair HX1500i. It's the next rung up, 1500W of 80+ Platinum headroom, and in India it costs anywhere from ₹35,700 to ₹54,000 depending on where you buy it.
Why You'd Actually Need 1500W
Let's do the math honestly, because 1500W sounds absurd until you look at what it's covering. An RTX 5090 alone can pull well over 550W under sustained load, with transient spikes running higher than that. Pair it with a flagship desktop CPU at full all-core boost and you're already north of 800 to 850W before drives, fans, and lighting get added in. That leaves comfortable headroom on a 1500W unit, and headroom matters because PSUs run most efficiently and coolest at 40 to 60 percent load rather than sitting near their ceiling.
The other case is dual-GPU setups, increasingly common among people running local LLM inference or training smaller models at home. Two cards sharing a chassis, even mid-tier ones, can push combined draw past 900W quickly. A single high-amp +12V rail rated for 1500W handles that without the PSU straining or tripping protection circuits during transient spikes.
Corsair's iCUE software is the other reason to pick this over a generic 1500W unit. You get live voltage, wattage, and temperature readings per rail, genuinely useful if you're stress testing a new build or trying to work out whether a GPU is drawing more than expected before it turns into a bigger problem.
Key specs:
- Wattage: 1500W continuous
- Efficiency: 80+ Platinum
- Modularity: Fully modular
- Rails: Single high-amp +12V rail
- ATX version: Native ATX 3.1
- PCIe connector: 12V-2x6 (PCIe 5.1 native)
- Digital monitoring: Corsair iCUE (per-rail voltage/wattage/temp)
- Fan: 140mm FDB, Zero RPM mode
- Warranty: 10 years (India, via Rashi Peripherals)
- Built for: RTX 5090 + flagship CPU, dual-GPU workstations
Price Step-Up: HX1200i to HX1500i in India
India Pricing and Availability
The confirmed anchor price is ₹35,700 at MDComputers, the best value I've seen quoted for this unit. Elsewhere the price climbs, up to ₹54,000 at some retailers, so this is one of those PSUs where checking multiple stores before buying actually saves real money. PrimeABGB and Amazon India both list it, though stock and pricing shift around more than they do for the RMe series. Flipkart occasionally carries it too. If you can find it near the MDComputers price point, buy it there. If a retailer near you is quoting close to ₹50,000, wait or order from MDComputers directly.
The 10-year Corsair warranty through Rashi Peripherals in India applies here, same as the rest of the HX and RM lineups. For a PSU in this price bracket, that warranty length matters a lot.
Why 80+ Platinum and Genuine Parts Matter in India
India's grid isn't the most forgiving environment for a 1500W PSU pulling near-continuous load. Voltage fluctuations and power cuts are common enough that a cheap, ungenuine "1500W" unit can fail badly under sustained draw, and at this wattage a failure risks taking your GPU or motherboard down with it. 80+ Platinum certification means the HX1500i wastes less power as heat even at high loads, which reduces thermal stress on internal components during India's hotter months when ambient case temperatures already run high. Combined with genuine Corsair components and real surge protection circuitry, this is not a category where I'd recommend cutting corners with an unbranded 1500W unit, no matter how tempting the price looks.
On wattage tiers generally: 1200 to 1500W PSUs like this one and the HX1200i are RTX 5090 and dual-GPU territory. If you're running an RTX 5060 or RTX 5070 in a mainstream build, you don't belong anywhere near this price bracket. A quality 650 to 750W Gold unit covers that system with room to spare.
Who Should Buy This
- RTX 5090 builds paired with a flagship Intel or AMD CPU
- Dual-GPU local AI or ML workstations
- Enthusiasts who want iCUE's real-time power monitoring during overclocking or stress testing
- Anyone who has genuinely calculated system peak draw above 1100W
Who Should Skip This
If your build peaks under 1000W, this is unnecessary spend. Look at the HX1200i, or even the RM1200e, and save yourself several thousand rupees. If you don't use iCUE software, the digital monitoring that partly justifies this PSU's premium over a plain 1200W unit goes unused. And if budget is the primary constraint, the RM1200e covers the same 1200W of headroom at Gold efficiency for meaningfully less money.
Questions
Not necessarily. A single RTX 5090 with a flagship CPU can realistically peak near 900 to 1000W under combined stress. The HX1500i gives comfortable headroom above that, which is good practice rather than excess, though the HX1200i is worth considering too if your CPU isn't also flagship-tier.
12V-2x6 is the revised PCIe 5.1 connector standard, designed to fix reliability issues reported with the earlier 12VHPWR spec. It's backward compatible with 12VHPWR-based GPUs and is now the standard on ATX 3.1 PSUs like the HX1500i.
Stock availability varies a lot for high-wattage flagship PSUs in India, and pricing isn't as tightly controlled as it is for higher-volume units like the RM series. MDComputers has consistently offered the better price. Always check two or three retailers before buying at this tier.
If you need iCUE monitoring and want maximum headroom for an RTX 5090 or dual-GPU build, go with the HX1500i. If you need 1200W of clean power without the monitoring software and want to spend meaningfully less, the RM1200e is the better value pick.