CoreParts MMC7421/4G memory module vs CoreParts MMH9666/4096 memory module

Key differences

The CoreParts MMH9666/4096 memory module has 6.5 more CAS latency than the CoreParts MMC7421/4G memory module (9 vs 2.5). The CoreParts MMH9666/4096 memory module has 1,067 MHz more memory clock speed than the CoreParts MMC7421/4G memory module (1333 MHz vs 266 MHz). The CoreParts MMC7421/4G memory module has 1 V more memory voltage than the CoreParts MMH9666/4096 memory module (2.5 V vs 1.5 V). Only the CoreParts MMC7421/4G memory module has ECC. Memory layout (modules x size): 2 x 2 GB on the CoreParts MMC7421/4G memory module, 1 x 4 GB on the CoreParts MMH9666/4096 memory module.

• Memory layout (modules x size)
  • MMC7421/4G memory module:2 x 2 GB
  • MMH9666/4096 memory module:1 x 4 GB
• Internal memory type
  • MMC7421/4G memory module:DDR
  • MMH9666/4096 memory module:DDR3
• ECC
  • MMC7421/4G memory module:Yes
  • MMH9666/4096 memory module:No
• CAS latency
  • MMC7421/4G memory module:2.5
  • MMH9666/4096 memory module:9
• Memory clock speed
  • MMC7421/4G memory module:266 MHz
  • MMH9666/4096 memory module:1333 MHz
• Memory voltage
  • MMC7421/4G memory module:2.5 V
  • MMH9666/4096 memory module:1.5 V
• Module configuration
  • MMC7421/4G memory module:128M x 4
  • MMH9666/4096 memory module:256M x 8
• Number of pins
  • MMC7421/4G memory module:184
  • MMH9666/4096 memory module:204