Plug and play, no jumper or drive, no software installation Stable operation of WINDOWS programs and games, or memory sellers' desktop motherboard test notebook memory modules, compatible with 8-bit 16 bit notebook memory modules, stable operation supports 3200/2666/2400/2133MHZ notebook modules The gold-plated test tank is durable and can be plugged and tested for about 30000 and high Compact size and lightweight, easy for carry. Name: Memory Connector Model: DDR4 Data Transmission Speed: 5 Mb/s Product Size: 133 x 36 x 5mm color:Blue Material:ABS size:13.3 x 3.6 x 0.5cm Package Contents: 1 x RAM Connector Adapter Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.