Memory Module Specifications

Server Module

Memory Module Specifications

X8400

  • PC3200 DDR1 ECC DIMMs

  • Use 2.5V

  • Support 1-Gbyte, 2-Gbyte, and 4-Gbyte capacity per DIMM

  • Support 4 DIMMs maximum per CPU, 16 DIMMs maximum per blade

  • Support 64 Gbytes maximum memory per blade

  • Built with double-data-rate synchronous dynamic random access memory (DDR SDRAM)

  • Operate at 400-MHz

X8420

  • PC2-5300P DDR2 ECC DIMMs

  • Use 1.8V

  • Support 1-Gbyte, 2-Gbyte, and 4-Gbyte capacity per DIMM

  • Support 4 DIMMs maximum per CPU, 16 DIMMs maximum per blade

  • Support 64 Gbytes maximum memory per blade

  • Built with double-data-rate two synchronous dynamic random access memory (DDR2 SDRAM)

  • Operate at 667-MHz

X8440

  • PC2-5300P DDR2 ECC DIMMs

  • Use 1.8V

  • Support 1-Gbyte, 2-Gbyte, and 4-Gbyte capacity per DIMM

  • Support 8 DIMMs maximum per CPU, 32 DIMMs maximum per blade (4 CPU configuration)

  • Support 8 DIMMs maximum per CPU, 16 DIMMs maximum per blade (2 CPU configuration)

  • Support 128 Gbytes maximum memory per blade (4 CPU configuration)

  • Support 64 Gbytes maximum memory per blade (2 CPU configuration)

  • Built with double-data-rate two synchronous dynamic random access memory (DDR2 SDRAM)

  • Operate at 667-MHz

X8450

  • PC2-5300 ECC FBDIMMs

  • 667 MHz

  • 1-Gbyte, 2-Gbyte, 4-Gbyte capacity per FBDIMM

  • 32 FB-DIMMs maximum per blade

  • 128 Gbytes max memory per blade

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