Corsair's See-Through HX1000i Shift Crystal PSU Guards Against GPU Meltdowns
Corsair is bringing the bling back to the power supply unit (PSU) with the launch of the HX1000i Shift Crystal, a 1,000W unit with transparent polycarbonate windows on three sides. In doing so, it also brings back memories of some ancient OCZ models that featured mirror finishes, for those of you who've been around the PC hardware block long enough to remember the brand.
A lot has changed since then, and beyond its see-through design, Corsair's newest PSU packs some important modern upgrades, chief among them PinProtect+, which the company claims is the industry's first implementation of active 12V-2x6 per-pin overcurrent protection. It's an especially relevant safeguard given reports of melting 12V-2x6 connectors on high-end graphics cards, including a GeForce RTX 5090 that allegedly suffered connector damage despite being limited to 500W.
PinProtect+ works by monitoring each of the six 12V pins on a native 12V-2x6 GPU connection in real time. That information is then relayed to Corsair's iCUE utility so users can keep an eye on individual pin currents. Should any of the pins exceed a set threshold for longer than the configured delay, the utility displays a warning and turns the RGB lighting red.
"If abnormal current continues, PinProtect+ reduces power to the GPU, causing it to shut down to help reduce the risk of damage, and the fan ramps to full speed. The default delay accounts for brief power excursions, a spike that resolves in time is recorded in the event log and no action is taken," Corsair explains.
Corsair goes on to say that PinProtect+ builds on the original PinProtect feature found in its RM1200e, adding customization options through iCUE. This enables users to adjust the current threshold from 7A to 10A (9.5A by default), set a delay of 10 to 180 seconds, and review a log of overcurrent events.
Another nifty feature is the included 12V-2x6 cable's dual-tone connectors (an increasingly popular feature), which expose gray tips if the cable isn't fully seated. After a protective shutdown and restart, iCUE reminds users to check for this. PinProtect+ can also be disabled, though Corsair advises against it.
Beyond PinProtect+, the HX1000i Shift Crystal features an integrated iCUE LINK System Hub that supports up to 24 compatible devices, so there is no need for a separate hub. It also sports side-mounted modular connectors for easier cable management, a 140mm RGB fan with a Zero RPM mode, and Cybenetics Platinum-rated efficiency.
As for pricing, the HX1000i Shift Crystal is available now for $339.99, backed by a 10-year warranty. That's a hefty premium for a 1,000W PSU—Corsair's own RM1000x can be found on sale for $169.99 at Amazon (19% off), and there are even less expensive models out there. Corsair is clearly banking on the combination of flashy aesthetics, more convenient connectivity, and added GPU protection to woo buyers away from cheaper 1,000W units.
