Four matching 8GB 1Rx4 PC3-12800R DDR3-1600 ECC Registered DIMMs (32GB total), Samsung M393B1G70BH0-CK0Q8 with HP 647651-081 label. Used — pulled from a working system. No independent bench testing or test results are represented. No retail packaging or accessories included. Exact-MPN two-stick sold evidence scaled to this four-stick lot; sparse evidence.