Features: brand new and high quality for M.2 NVMe SSD solid state drive extension cable M2 supports PCI-E 3.0 4.0x4 full speed R44SF Excellent product performance, super good reputation product, power-on test and delivery High frequency support PCIe 3.0 X16 8G/bps stable transfer. Cable length: from 10cm to 40 for cm can be customized, our wire has a low impedance, the cable can be stable at PCIe3.0 full speed reading and writing. PCB use high frequency low resistance of materials with high quality, PCB using high quality board, copper thickness thicken to 1oz, gold finger plating enough gold, Good conductive performance, can reduce oxidize higher impedance caused by the crash blue screen. Friendly reminder: This product has many compatibility problems. Improper assembly or improper operation will burn your device. Only professional engineers designate the purchase. This product is non-refundable and non-replaceable, please consider and confirm before placing an order. Specifications: Product Model: R44SF Product Name: for M.2 NVMe SSD Extension Cable Wire Length: approx 10cm(3.94in)/ 15cm(5.9in)/ 20cm(7.87in)/ 30cm(11.8in) - Optional Adapter Hard Drive: Support for M.2 NVMe, Ultra SSD solid state drive, Bandwidth Speed: PCIe3.0 x4 full speed, transfer rate 32Gbps. Note: Restrictions on use: It is only for professional engineers to designate the purchase. It is not suitable for general purposes and cannot be used. Ordinary buyers should not buy it. Our wire length refers to the visual wire part, does not include the PCB and connector. Please allow 0-1cm error due to the manual measurment. R44SF is an NVME slot, R24SF is a PCIE slot, They are not support laptops, None of for Dell's laptops are supported. Procurement Tip: Be sure to buy 1~2 samples to test and verify that they are correct before purchasing in large quantities. Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Package includes: 1 PC x for M.2 NVMe SSD Extension Cable