Samsung 128GB DDR4 SDRAM Memory Module - For Server - 128 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz Octal-rank Memory - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM M393AAK40B42-CWD

Samsung 128GB DDR4 SDRAM Memory Module - For Server - 128 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz Octal-rank Memory - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM

Registered DIMM Include a register for enhancing clock, command and control signalsError correction available by added 8 bit parity signalsSupports x4 / x8 Organization / up to 2 ranks per DIMM and 3DPC configurationApplication : Server

Technical Specifications:
Memory Size: 128 GB
Memory Technology: DDR4 SDRAM
Memory Voltage: 1.20 V
Memory Speed: 2666 MHz
Memory Standard: DDR4-2666/PC4-21300
Memory Rank: Octal-rank
Error Checking: ECC
Signal Processing: Registered
CAS Latency: CL19
Device Supported: Server
Number of Pins: 288-pin
Form Factor: DIMM