Samsung NVM

The EVO series is designed for demanding mainstream users, while the PRO series is 
destined for users with very high workload requirements for their SSD, and the need for high capacities.

Better is PRO becaouse of DRAM cache:

Samsung 2TB M.2 PCIe Gen4 NVMe 990 PRO

• TLC (3D TLC NAND)
• Samsung Pascal ctrl
• 8nm
• DRAM CACHE
• TBW 1200TB
• PCI Express 4.0 x4 NVMe

Samsung 2TB M.2 PCIe Gen5 NVMe 990 EVO PLUS

• Samsung Piccolo ctrl
• no cache
• TBW 1200 TB
• PCI Express 4.0 x4 NVMe
• PCI-Express 5.0 x2

• 960
  • 250 GB - 1000 GB
  • limited 3Y warranty
• 960 EVO
  • V-NAND 3bit MLC
  • LP DDR3 cache
  • 100 TBW / 256MB
• 970 EVO - V-NAND
  • 250 GB - 2000 GB
  • more IOPS
  • limited 5Y warranty
  • better performance than 980
  • Controller: Samsung Phoenix
• 970 PRO - not avail –> 970 Evo Plus
• 980
  • cheapest option for home
  • no cache DRAM !
  • cheaper than 970
  • cooler (temperatur)
  • slowns down on heavy transfers
  • Controller: Samsung Pablo
• 980 PRO
  • PCI-Express 3.0 x4
• 990 PRO
  • PCI-Express 4.0
  • superseded 980 PRO

Best is 970 Evo Plus or 980 Pro

Model Number: Samsung SSD 970 EVO Plus 500GB