Model Number: Computer AccessoriesInterface Type: DDR4Material: Electronics + MetalFeature 1: Laptop RAM AdapterFeature 2: DDR4 Card Transfer AdapterType: Add On Cards,PCI To USB 2.0 Card,PCI To 1394 Card,PCI-E To USB 3.0 Card,PCI-E 4X To 16X Card,PCI-E 1X To 16X Card,PCI-E To M.2 Card,PCI Raid Card,PCI-E Raid Card,Diagnostic Card,PCI-E Graphic Card To Exteranl Card,PCI-E To USB 3.1 Card,MINI PCI-E To PCI-ECard,M.2 SSD To PCI-ESupports 2133Mhz Frequency SO DDR4 Memory.4-Layered PCB Design.Compliant with JEDEC Specifications.Over-Current Protection Design.PCB dimension: approx.133x36mm/5.23x1.41incolour: bluePackage Contents: 1 * Adapter Card Only the above package content, other products are not included.Note: Light shooting 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.