Dynabook RD400 256 GB M.2 PCI Express 3.1 NVMe MLC vs Dynabook RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC

Key differences

• SSD capacity
  • RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:256 GB
  • RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:128 GB
• Component for
  • RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:PC/Laptop
  • RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:PC
• Read speed
  • RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:2600 MB/s
  • RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:2200 MB/s
• Write speed
  • RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:1150 MB/s
  • RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:620 MB/s
• Endurance rating (for 5 years)
  • RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:81 GB/day
  • RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:40 GB/day
• TBW rating
  • RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:148
  • RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:74
• Operating voltage
  • RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:3.3 V
  • RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:12 V
• Power consumption (average)
  • RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:6 W
  • RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:6.4 W