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The construction of the Dell Latitude E6420 ATG laptop is very sturdy, on the whole. There is a tri-metal battery for dell latitude e6400 casing that conforms to military standards. The lid - made of anodized aluminium - in particular is satisfyingly robust, offering the screen good protection from the back. There's extra battery hp dv6000 protection around the edges and corners, but when you open the lid - which is mounted on impressively strong steel hinges - you'll notice that the front of the screen is surrounded by a rather plasticky bezel that doesn't feel as if it has been properly secured, giving an unsettling rattle when hp laptop batteries tapped. The Dell Latitude E6420 ATG's 14in screen is decent - although it has a glossy finish, an anti-glare coating hp compaq nc4200 battery means that reflections are rarely a problem. Colours are bright and rich whilst text is sharp and clear, so it performs well whether you are using it for work or entertainment hstnn-db42 purposes. There is a p0382touchscreen upgrade available and if you're wanting to buy a laptop now with a view to switching to Windows 8 - an OS that will have a good deal more to offer touchscreen pa3614u-1brp users than Windows 7 - when it comes out later in the year this could be well worth considering. The keyboard is spill-resistant, but doesn't come backlit as standard (an upgrade is available, laptop battery though). It's very comfortable to use, with important keys such as Return, Backspace, right Shift and the Arrow keys all a good size and placed exactly where you'd expect to find sony laptop battery vgp-bps2c. The Dell Latitude E6420 ATG's touchpad is on the small side, though performs well, and you've also got the toshiba pa3384u-1brs choice of a trackpoint if you'd rather control your cursor that way. Surrounding the keyboard you'll find a magnesium alloy frame, while the latch is made from a zinc alloy. See also: Group test: what's the best high-end laptop batteries ? At the sides you'll find rubber dust covers for most of the Dell Latitude E6420 ATG's ports - on the right a1061 edge, the two USB 2.0 ports and the eSATA/USB 2.0 combo port get protection, while on the left another USB 2.0 port and the VGA port, as well as a combined headphone jack and asus a32-a8 battery input, are covered up. Along the back edge ethernet and HDMI ports have dust covers too. The bottom of the Latitude looks battery thinkpad x60 to be a weak point, though. It is made of a 'powder-coated' plastic but lacks the solidity offered by most of the rest of the chassis. As well as being dell inspiron 6000 batteries physically strong there are also a couple of security measures included for protecting the Dell from theives in the shape of a fingerprint reader and SmartCard reader. But what really impressed us about the Dell Latitude E6420 ATG is the dell type wr050 performance. A 2.8GHz Intel Core i7-2640M processor and 4GB of RAM have been used to good effect as the WorldBench 6 score of 155 proves. However, graphics dell precision m2400 battery performance isn't of a standard that gamers would be looking for, though you could upgrade the standard discrete Intel graphics chip for a nVidia NVS 4200 chip with 512MB of dedicated memory if you want to play games or use other graphics-intensive apps. We also got over six hours from the hp laptop battery, which is pleasing considering the pa3465u-1brs quality of the screen and components. There is a generous provision of USB ports, though none of them support USB 3.0 as standard, vgp bps2a battery unfortunately. There's a DVD-RW drive and SD card reader and you'll be able to hook up to most Wi-Fi networks and Bluetooth-compatible peripherals without a fuss. The Latitude's lid is made of anodised vgp bps2c battery aluminium, while the chassis is made from magnesium alloy and the lid's latch is made from zinc alloy. Furthermore, its keyboard is spill-resistant. Dell also 451-10477 claims a protective LCD seal forms when the lid is closed, but we're not so sure about that - a gap is clearly visible between the lid and chassis when the lid is closed. The acer extensa 4630z battery definitely feels sturdily built, though, and it's also quite comfortable to use. Its palm rest feels soft and it isn't glossy, so it doesn't get slippery. The dell inspiron 1520 battery has soft keys with good responsiveness and it's a pleasure to type on. The model we tested didn't have a backlit keyboard, nor a screen-mounted keyboard light, but there is an option for a backlit HP ProBook 6545b Battery (an extra £33). The touchpad and its buttons feel soft and the touchpad was responsive to most gestures (although three-finger 5310m Battery flicking took a few goes before it was recognised) and there is also a TrackPoint-style device installed. This sometimes got in the way while typing. With this configuration, the Latitude E6420 produced solid scores in our performance tests. It recorded a time of only 39 sec in our Blender 3D rendering test, which is one second faster than the time CQ32 Battery recorded by the Toshiba Portege R830, for example, which uses the same CPU. It recorded 52 sec in the iTunes MP3 encoding test and 52 min in our DVD transcoding test; these were 593553-001 expected results. Basically, the Latitude E6420 is more than capable of handling typical office applications; it's HP MU06 Battery powerful enough to be used for tougher tasks such as media encoding and video rendering and it's great for multitasking. Considering it's a commercial laptop, the Latitude E6420 is also quite strong in the graphics 448007-001 department. It only relies on the graphics processor that's integrated in the Intel CPU, but it recorded a respectable 4486 in 3DMark06. The integrated graphics are also meant to keep the HP 538692-351 laptop's power usage in check. In our rundown test, in which we disable power management, enable Wi-Fi, maximise screen dell latitude d620 laptop battery and loop an Xvid-encoded video file, the laptop's 6-cell (60 Watt-hour) battery lasted 3 hr 31 min. It's a decent result, but it's nothing to get excited about. The Toshiba Tecra R850, for example, which uses the same CPU and also has a 6-cell dell latitude d630 (albeit with a slightly higher 66 Watt-hour rating), but which has a dedicated graphics card and a 15.6in screen, recorded a time of 4 hr 15 min hp dv5 battery in the same test. Around the edges, the Latitude E6420 has a decent helping of ports and slots. You get HDMI and hstnn-q34c battery VGA for video, Gigabit ethernet for networking (there's also dual-band 802.11n Wi-Fi), a headphone/microphone combo port, four USB 2.0 ports (one which doubles as an eSATA port), an SD card reader and an ExpressCard/54 slot. Even though it's a commercial vgp-bps3a laptop, we're disappointed that it doesn't come with a USB 3.0 controller by default, and we weren't able to add this as an option when configuring the unit vgp-bps4a either. Security equipment on the standard Latitude E6420 includes a Smartcard reader and a TPM, and a32-f3 battery Computrace is supported in the BIOS. A fingerprint reader can be added for £17. We wish this was standard as well, especially considering that some similarly priced business d630 batteries laptops, Such as the Toshiba Tecra E850 and even Dell's own Latitude E5520, are supplied with fingerprint dell 312-0429 readers. However, the Latitude E6420 is in a different class to those notebooks, primarily because of its construction materials, and that's why it costs more and dell gd761 comes with less.