However, HP also offers 4540s versions featuring a UMTS module. Our test device does not feature a UMTS module and it cannot be retrofitted due to the lack of an internal slot. A webcam is found in the display's bezel.
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It also supplies the laptop with Bluetooth 4.0 functionality. The Wi-Fi module (QCA9565) comes from Qualcomm Atheros and supports the 802.11 b/g/n standards. A Gigabit Ethernet chip (RTL8168/8111) from Realtek manages cabled network connections. Consequently, the lid can easily be opened with one hand.Īs to the communication modules, the ProBook 4540s is identical to its precursor. The hinges keep the lid firmly in position and only rock marginally. The aluminum back also prevents the lid from denting to a large degree. More force would be needed to damage the screen. The big aluminum plate on the rear provides stability. The lid can also be twisted to an extent. Here, you notice that the device is mainly made of plastic. The base unit warps when picking it up at the front corners.
Only the perforated cover above the keyboard should be spared from too high pressure.
The ProBook 4540s features the same stability as it precursor. The back of Asus' B43E is made of aluminum. The ThinkPad Edge E535 cannot offer metal parts being completely made of plastic. The plastic frame of the base unit's top is also broader than in the 4540s. The edges of the display's back and the base unit are lightly rounded. The 4540s has more curves than the 4530s. This gives the devices a higher quality look and additional stability. The lid's back and the base unit's top both feature an aluminum insert.
The casing of both HP laptops is mostly made of plastic. However, there are differences in the details. The ProBook 4540s cannot deny its relationship with the ProBook 4530s.
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