Windows Server
This RAM module is for use in DDR4 compatible systems and operates at 2666 MT/s with an overall transfer rate of PC4-21300
M471B5273BH1-CH9 Capacity 4GB (1x 4GB) Brand Samsung Speed DDR3-1333 - 1333MT/s - PC3-10600 Voltage 1
MT/s and MHz are used interchangeably
see this guide
Seagate 8TB Exos 7E8 Enterprise SAS HDD Capacity 3.5", 8TB, SAS 12Gb/s, 512e, 256MB Cache HDD ST8000NM0075 Classification_ram-ddr4-2666-rdimm-128gb-1x-qr Windows ServerSeagate 8TB Exos 7E8 Enterprise SAS HDD Capacity 3. 5", 8TB, SAS 12Gb s, 512e, 256MB Cache HDD ST8000NM0075 Seagate ST8000NM0075 8TB 3. 5" Exos 7E8 512E SAS 7200RPM HDD Interface: SAS 12Gb s Dual Port Max. Sustained Transfer Rate of 249 MB s MTBF: 2,000,000 Hours 5 Years Limited Warrant 8TB, SAS 12Gb s, 256MB, High capacity density RAID storage Quickly access and store critical data with blazingly fast random performance Enjoy peace of mind with field