HP 175919-042 memory module vs HP GL644AV memory module

Key differences

• Internal memory
  • 175919-042 memory module:1 GB
  • GL644AV memory module:16 GB
• Memory layout (modules x size)
  • 175919-042 memory module:1 x 1 GB
  • GL644AV memory module:2 x 8 GB
• Internal memory type
  • 175919-042 memory module:DDR
  • GL644AV memory module:DDR2
• Memory form factor
  • 175919-042 memory module:184-pin DIMM
  • GL644AV memory module:240-pin DIMM
• Memory clock speed
  • 175919-042 memory module:200 MHz
  • GL644AV memory module:667 MHz