Made of pure aluminum alloy, it is very heavy and the thinnest part of the aluminum plate is 1.6mm thick. This memory module cooler can make the memory run quietly and efficiently. Dimensions: 146mm long x 38mm high x 8mm thick, internal hollow 4.6mm, compatible with for DDR4/DDR5 single and double-sided memory sticks, the total height after installing the regular sticks does not exceed 44mm, the height meets the needs of most ITX small cases, and also Meet the assembly requirements of most tower radiators. This radiator can absorb the heat of the memory and improve the blue screen and crash problems caused by memory overheating. This memory vest is integrally CNC cut + anodized, and the screws are M3x6MM gold-plated countersunk heads. Desktop single and double-sided memory module radiator memory vest is compatible with for DDR4/DDR5 memory modules. Note: The aluminum plate may undergo stress deformation after CNC processing. It return to straightness when tightened with screws without affecting any functions. size: 146 x 8 x 38mm Material: Aluminum alloy colour: A-white Package Contents: 1 x radiator (including upper and lower 2 pcs) 3 x long thermal pads (2pcs 0.5mm thick, 1pcs 2mm thick) 1 x square thermal pad 1 x hex wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.