pcie 4 0 ssd 5000mb s read speed

{"cid":"91224152","title":"M.2 NVMe PCIe 4.0 SSD 2TB 5000MB\/s Read Speed 80mm Size","imgUrl":"https:\/\/img.chinax.com\/nimg\/fc\/0a\/dbb351978f7c2208e8451b9a9f7e-200x200-1.jpg","attrs":{"Price":"$32.78-99.68","Brand Name":"LASTING","Model Number":"i50","Minimum Order Quantity":"1","Delivery Time":"2-10 work days","Place of Origin":"ChinaGuangDong","Type":"Internal","Capacity":"512GB\/1TB\/2TB","Interface":"M.2 PCIe 4.0","Read Speed":"Up to 5000MB\/s","Write Speed":"Up to 4500MB\/s","Used for":"Laptop Desktop Server","OEM\/ODM":"Welcomed","Size":"80mm(L)x22mm(W)x2.4mm(H)","Payment Terms":"L\/C,T\/T","Supply Ability":"1000+Piece+10 days"}}

{"cid":"91223342","title":"2TB PCIe4.0 SSD with 5000MB\/s Read Speed 4500MB\/s Write Speed NVMe 1.4 M.2 2280 for Laptop Desktop","imgUrl":"https:\/\/img.chinax.com\/nimg\/62\/74\/906fab4dd9693e92a6e2665cce93-200x200-1.jpg","attrs":{"Model Number":"64gb\/120gb\/128gb\/240gb\/250\/256gb\/500\/512gb\/1TB\/2TB\/4TB","Minimum Order Quantity":"5","Place of Origin":"GUA","Interface type":"M.2","SSD capacity":"256GB\/512GB\/1TB\/2TB\/4TB","Read speed":"5000MB\/S","Write speed":"4500MB\/S","Shell material":"ABS","Size":"2280\/2242\/2263","PCIe version":"Gen4 x4","NAND flash":"TLC\/QLC","Flash type":"3D NAND","Dimensions":"L80mm*W22mm*H3mm","Operating temperature":"0\u2103--+70\u2103","Storage temperature":"-20\u2103to+75\u2103","External power":"No","Expansion port":"None","Wireless":"No"}}