The PlayStation 4's innards revealed in Sony teardown

The internal circuitry of the PlayStation 4 is on show courtesy of Sony and Wired. In an unboxing video, Sony's engineering director takes a closer look at the upcoming game console.

Sony Computer Entertainment engineering director Yasuhiro Ootori unboxes and dismantles the PlayStation 4 in a video for Wired. In it, he points out the sleek design of the new console; no screws are visible, for example, and the input/output ports are arranged to suit the rear shell's latticework frame.

Four screws, hidden behind seals, need to be removed before the outer cover of the PS4 can be popped off. From the top down, the internal blower fan, heat sink and Blu-ray optical drive are visible, as well as the power supply. Interestingly, the internal power supply takes up around a quarter of the PS4's internal volume, with Ootori saying that the decision to integrate the power supply is for convenience. The bulky external power brick of the Xbox 360 has long annoyed its users.

To remove and replace the hard disk drive inside the PlayStation 4, only one screw needs to be removed after taking off the console's other outer cover. The drive can be replaced with any commercially available 2.5-inch drive; the video shows plenty of extra height in the hard disk drive caddy — so thicker 2TB 2.5-inch drives should fit.

To see the internal workings of the PlayStation 4, including how to remove the rear cover and replace the hard drive, take a look at the video below.