Product introduction: New SSD particle packaging form, BGA291ball, the test socket only leads out 174ball for read and write testing. 1: Material: aluminum alloy, PEEK, PEI 2: Contact material: nickel-plated gold beryllium copper shrapnel needle 3: Maximum write speed 160MB/s, read speed 220MB/s 4: Contact impedance: <50 milliohms 5: Rated current: within 1A