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Tag Archives: bit-tech

Primochill Compression Tube Reservoir Review | bit-tech.net

Primochill Compression Tube Reservoir Review | bit-tech.net.

We’ve lost a few water-cooling companies in recent years but one of the longest-standing, and still-running has to be Primochill. It has always been a big advocate of interesting reservoirs and general water-cooling customisation, but with the likes of EK Waterblocks and Phobya now on the scene, it’s had to revamp its range to keep up with the times.

We didn’t look at its recent Myriad reservoir, but we heard a few stories about it being tricky to fit together. For the moment, Primochill has turned its focus away from bay reservoirs and clearly spent some time pondering how to make a difference in the tube reservoir arena. its offering, called the Compression Tube Reservoir (CTR), looks to solve a number of problems encountered when using this type of reservoir. 

Primochill Compression Tube Reservoir Review Primochill Compression Tube Reservoir Review


Its available in 80mm, 120mm, 240mm (tested) and 400mm variants, starting at a modest $40 and rising to $60 for the giant 400mm version. At the time of writing, we don’t have a firm UK price or stockist, but we’ll update the article as and when we do – at the moment, prices look like they’ll be somewhere between £30 and £50. It’s also one of the first tube reservoirs that’s available with different coloured acrylic, sporting blood red, yellow, UV blue and pink and even frosted versions.

Primochill Compression Tube Reservoir Review Primochill Compression Tube Reservoir Review


If you’re keen on showing off your coolant, then the CTR has the lowest-profile end caps we’ve seen, allowing for a huge area of uninterrupted eye-candy with less than 10mm of the tube taken up securing the end caps. This is thanks to a new end cap fitting method, which we’re guessing gave the CTR its name, rather than having anything to do with compression fittings. One cap has four ports, with the other having two. Sadly, there are no blanking plugs provided and you’ll likely need to buy up to four of these if you’re just going with the standard inlet and outlet setup, to blank the remaining holes – something you don’t have to do with most other tube reservoirs.

Primochill Compression Tube Reservoir Review Primochill Compression Tube Reservoir Review


The caps are actually two-piece affairs but unlike pretty much every other tube reservoir we’ve used, they don’t involve threads. We’ve certainly been on the receiving end of at least one cracked reservoir having over-tightened the end caps to stop a persistent leak so we were keen to see just how Primochill has got around this. An O-ring is sandwiched in the middle of the two sections of end cap. We took one apart and were initially stumped as to how to get it back together again. The excited teenager in us then subsided and we did the sensible thing of reaching for the instructions. 

[How to] Overclock Sandy Bridge E – bit-tech.net

How to Overclock Sandy Bridge E

Intel showed us how it would overclock  a Sandy Bridge E processor
Intel showed us how it would overclock a Sandy Bridge E processor

While we’ve yet to get our hands on a Sandy Bridge E processor, Intel has revealed how we’ll be overclocking it. As the architecture’s codename implies, Sandy Bridge E is based on the Sandy Bridge architecture, despite the new LGA2011 CPU socket and the quad-channel memory controller. This means that it shares many of the characteristics of the LGA1155 CPUs which with we’ve become familiar.Recently leaked information that showed that only one Sandy Bridge E processor will have an unlocked multiplier was therefore met with shock and dismay – it had seemed that if you wanted to overclock Intel’s supposedly enthusiast-class platform, you’d have to pay through the nose for the top-end LGA2011 CPU, which was rumoured to cost $999 before tax.Without an unlocked multiplier on an LGA1155 system, you’re limited to Base Clock overclocking, which Intel only recommends increasing by up to 5 per cent, while others claim it’s only good for up to a 10 per cent boost.Thankfully, we now know that Sandy Bridge E systems support more flexible Base Clock overclocking than Sandy Bridge systems.The key is a new divider between the Base Clock of the system and the CPU – it’s a gearing mechanism, just like a memory strap or a CPU multiplier.There are two dividers to tweak, at 1.25x and 1.66x, with both acting to gear up the Base Clock used by the CPU, while leaving the Base Clock for the rest of the system alone.Having two Base Clocks in one system will probably get confusing, though, so in the absence of clear labelling from Intel we’ll call them the System Clock and the CPU clock.You’ll also need to tinker with the Turbo Boost tweaks with which you’re familiar when overclocking a Sandy Bridge system – increasing the maximum possible power draw of the CPU to prevent Turbo Boost capping your overclock, or reducing it during a prolonged session.

*How to Overclock Sandy Bridge E How to Overclock Sandy Bridge E *How to Overclock Sandy Bridge E How to Overclock Sandy Bridge E
Intel highlights the key areas for overclocking Sandy Bridge E processors, and gives a practical example of a 4.74GHz overclock

From the slides, demos and discussions we’ve had with Intel, we can now tell you how to overclock Sandy Bridge E to 5GHz, although our methodology will work for any overclock on such a system.
Read more @ bit-tech.net.

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