Manufacturer: Lenovo Group Limited. Manufacturer Part Number: 4X77A88511. Brand Name: Lenovo. Product Name: ThinkSystem 16GB TruDDR5 4800MHz (1Rx8) ECC UDIMM. Product Type: RAM Module. [Technical Information] Memory Size: 16 GB. Memory Technology: TruDDR5. Memory Speed: 4800 MHz. Memory Standard: DDR5-4800/PC5-38400. Memory Rank: Single-rank. Error Checking: ECC. Signal Processing: Unbuffered. Device Supported: Server. [Physical Characteristics] Number of Pins: 288-pin. Form Factor: DIMM. [Miscellaneous] Compatibility: Lenovo ThinkSystem ST250 V3 Server.