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 HMT351U7CFR8C-H9 Capacity 4GB (1x 4GB)

HMT351U7CFR8C-H9 Capacity 4GB (1x 4GB) Brand Hynix Speed DDR3-1333 - 1333MT/s - PC3-10600 Voltage 1

super parity and end-to-end SAS-based data integrity for accurate data storage

see this guide

M393B1K70QB0-CK0 Capacity 8GB (1x 8GB) Brand Samsung Speed DDR3-1600 - 1600MT/s - PC3-12800 Voltage 1

MT/s and MHz are used interchangeably

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 HMT351U7CFR8C-H9 Capacity 4GB (1x 4GB)Seagate 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