256GB 8x32GB DDR4-2933 PC4-23400 RDIMM Memory for Apple Mac Pro Rack 2020 MacPro 7,1

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This listing contains ECC Memory Modules! These are for servers only and not normal desktops! ECC Registered RDIMM
& ECC UDIMMS can not be mixed. If your system came with ECC UDIMM
then use of registered DIM
Ms will require the removal of all existing UDIMM

Model Equivalent:  
Crucial CT32G4RFD4293
Samsung M393A4K40CB2-CVF
hynix HMA84GR7CJR4N-WM 

Capacity per Module: 32GB
Type: DDR4 SDRAM
Memory Features: RDIMM ECC Registered
Bus Speed: PC4-23400 (DDR4-2933)
Rank:2Rx4 (DR / Dual Rank)
Number of Pins: 288pin 
Category: Server Memory
Cas Latency: 21
Voltage: 1.2V
Rank: 2Rx4
Item Height: 30mm
Item Width: 3mm
Item Length: 133mm
Number of Pins: 288pin