Description: brand new and high quality. Feature: Ultra-thin heat sink designed for notebook or some small space cooling design. The use of pure copper heat sink through the contact with the air for heat exchange, can more quickly emit heat. Easy and convenient for us to install and remove. Heatsink only, other accessories demo in the picture is not included! Specifications: Item Type: Heatsink Material: Copper Size: 32x18x2mm/1.2x0.7x0.07in, 32x18x3mm/1.2x0.7x0.11in, 32x18x4mm/1.2x0.7x0.15in Color: Gold Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please first measure the for M.2 solid-state hard drive chip length and width. Solid-state hard disk chip is enough space to install the heat sink, heat sink thickness of 2mm, 3mm, 4mm. Please confirm whether the solid-state hard drive chip is in a horizontal plane, if there is a clear for gap, can be attached with the thermal paste superimposed filling. The broken groove design is to increase the heat of the surface area, the fins thicker the deeper the surface area of the groove, the cooling effect is relatively better. On the heat sink effect: depends on the size of the space near the hard disk, air circulation, near whether there are other heating elements (especially notebook) and so will affect the heat sink effect. Package Includes: 1 x Heatsink