XSPC D5 Dual Bay Reservoir/Pump Combo (Includes D5 Vario Pump - Speed Adjustable)

This unit completed my build and looks fantastic,,,,,works quiet and worked flawlessly on my rig..it handled a gtx 780 hydrocopper and the flow of my asus motherboard that allow me to water cool the inside of the board around the CPU...very powerfully built. Easy to assemble.

My son had a custom computer for gaming that quit cooling. It would work for about 10 or 15 minutes and then stop pumping. We called the company and they recommended this and it works great now.

Whenever I drain and try to refill my loop, it exhibits a weird behavior where it appears to circulate water within the reservoir but NOT in the loop tubing itself. I'm not sure what's going on there, but eventually I do get the water in the loop circulating and from that point on it appears to work very well.

Catastrophic Leaking (drained in a few minutes) developed after less than 2 months after install. I know reservoirs leak, so I actually purchased a backup one for "just in case" - but I figured I'd be years until I use it. WELL, the backup unit had some issue with the plastic housing and the plastic got stripped when installing the hoses rendering it completely useless. I would leave a negative star review if I could. This product is terrible.

Obviously there is a risk to a custom watercooling loop, but it is upsetting when the only flaw in your >$2000 build is the pump/res. I had to shave down the sides of the front in order to fit this into my Silverstone FT02. After about a year, the seam between the front plate and the rest of the reservoir cracked open slightly and my coolant started leaking. Luckily my reservoir was only above my radiator and fan, but the coolant has stained the sound dampening foam in my case. It's frightening to think about what could have happened if the reservoir were close to my graphics card.On a positive note, the D5 pump is amazing and silent. I have it running at setting 5 and it isn't louder than my 180mm fans running at low setting. It ran perfectly fine with 2 GPU blocks, 1 CPU block, and a 3x180mm Radiator. I've since repurposed the D5 for another build with a different reservoir.

Took me about 20-30 minutes of letting the pump run in my system while shaking it side to side until all the air bubbles got out of the 1 cpu block, 2 rads, and 3 gpu blocks before sealing my 2nd open fill-reservoir and locking in the pressure once it shuts down.OK so it is noisy as f@#k if you run this by itself. Figured I removed my second standalone D5 and see what would happen, water pressure got super weak, just barely but enough to keep a flow through 2 rads, cpu block, & 3 gpu blocks. BUT the system was manageable with that just enough push to keep. No matter how much shaking the Dualbay does sound like a locomotive lolol, so don't cheap out on your multi-block system and use it by itself. A second D5 (pump only) made a world of difference.EDIT: So originally I had this in a 2 pump configuration with 2 thick 240 rads, cpu, and 3 vid cards. It took 15-20 mins (SHAKING OUT THE AIR BUBBLES) to run the machine with just the pumps circulating and PC OFF to get it silent running, just the hum of the pumps/fans are the only noise. Fast forward to revision2: decided since all the blocks and rads imho are hi-flowing (did not use those blocks that are restrictive - meaning it goes from 1/2" tubing to 1/4" block water-passage) I removed 1 pump from the loop. Immediately I notice the flow seems ok, not as pressure-strong from the last, but yeah NOW the XSPC does make some noticeble noise that I could not shake out. As I had an external reservoir the last time, I could easily see how the second pump maintained a pressure to the XSPC that kept it near silent. The water would lower a bit when powered up and raise as the pumps shut down, if I had left the fill open it would have shot out of the top like a brief geyser, now it doesn't with just the single pump XSPC soloing my box.Top refill port now seems to have a slow leak after swapping to the metal-threaded refill cap, even wrapping white plumbers tape on the thread it leaks. SUCKS.*******Plan to remove the pump itself and use it as a single pump with a acetal TOP.************ no more "drive bay" pump combo's anymore too much hassle, lesson learned - keep it simple.

I originally purchased the Raystorm 750 kit and that pump lasted a year and a half. I purchased this as a replacement and I like everything about it better than the previous pump. The reservoir is smaller, leaving a bit more space to work in my case, and the pump is quieter and pushes noticeably more fluid. I even ordered a second so that I could isolate my GPUs from my CPU loop. Neither of the two units I received had the gap in the top that people have reported that leads to leaking. It looks to me like they have resolved that issue on the newer units.

Working good so far, the only problem was the ports was in different spots than my old XSPC. Had to buy foot of tubing to connect it.