This product is either discontinued or we cannot get that from suppliers.
Kingston KTH-PL429S8/8G ECC DIMM Memory HP, Capacity 8GB, 1 Module, Speed 2933MHz (PC4-23400), ECC Registered, CAS Latency 21, FF DDR4, 1R (Single Rank), 288 Pin, Memory Voltage 1.2v.
Kingston memory is designed, manufactured and rigorously tested to meet the exact specifications of each brand name system. It's guaranteed to be compatible and backed by a lifetime warranty and legendary Kingston reliability.