Total Micro 64GB Certified Memory Module - 4RX4 LRDIMM 2666MHz LV - For Server, Workstation - 64 GB (1 x 64 GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - CL19 - 1.20 V - ECC - Registered - 288-pin - LRDIMM A9781930-TM

Total Micro 64GB Certified Memory Module - 4RX4 LRDIMM 2666MHz LV - For Server, Workstation - 64 GB (1 x 64 GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - CL19 - 1.20 V - ECC - Registered - 288-pin - LRDIMM
Technical Specifications:
Memory Size: 64 GB
Memory Technology: DDR4 SDRAM
Memory Voltage: 1.20 V
Number of Modules: 1 x 64GB
Memory Speed: 2666 MHz
Memory Standard: DDR4-2666/PC4-21300
Error Checking: ECC
Signal Processing: Registered
CAS Latency: CL19
Device Supported: Server, Workstation
Number of Pins: 288-pin
Form Factor: LRDIMM
Compatibility:

Dell Servers:

PowerEdge C6420, PowerEdge FC640, PowerEdge M640, PowerEdge M640 VRTX, PowerEdge R440, PowerEdge R540, PowerEdge R640, PowerEdge R740, PowerEdge R740XD, PowerEdge R940, PowerEdge T440, PowerEdge T640

Dell Workstations:

Precision Workstation R7920, Precision Workstation R7920 Xl, Precision Workstation T7920, Precision Workstation T7920 Xl