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HP - Compaq Presario CQ40-638TX compatible upgrades

These upgrades are guaranteed compatible when you order from Crucial.com
compatible memory
memory
compatible ssd
solid state drive

Notes about your system:

Although the memory can be installed one module at a time, the best performance comes from using matched pairs of modules.

Your HP - Compaq Presario CQ40-638TX

system specs as shipped

memory

  • Maximum Memory:8GB
  • Standard Memory:1 or 2GB removable
  • Slots:2 (2 banks of 1)
*Not to exceed manufacturer supported memory.
what does this mean?
Memory or DRAM is the "working" memory of the computer. It's used to store data for programs (sequences of instructions) on a temporary basis.

storage

  • Storage: Serial ATA support
what does this mean?
Storage drives -- hard drives and solid state drives -- are the permanent memory for the programs and documents on your computer.

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Compatible Memory

10903

Crucial 4GB Kit (2 x 2GB) DDR2-800 SODIMM

CT1367695

  • DDR2 PC2-6400 • CL=6 • Unbuffered • NON-ECC • DDR2-800 • 1.8V • 256Meg x 64 •
  • upgrade for HP - Compaq Presario CQ40-638TX system.
  • €56.57 inc. VAT*
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10817

Crucial 2GB DDR2-800 SODIMM

CT1367704

  • DDR2 PC2-6400 • CL=6 • Unbuffered • NON-ECC • DDR2-800 • 1.8V • 256Meg x 64 •
  • upgrade for HP - Compaq Presario CQ40-638TX system.
  • €28.28 inc. VAT*
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Compatible SSDs

2427501

Crucial MX500 250GB SATA 2.5-inch 7mm (with 9.5mm adapter) Internal SSD

CT11248243

  • 250GB 2.5-inch internal SSD • SATA 6.0Gb/s • 560 MB/s Read, 510 MB/s Write
  • upgrade for HP - Compaq Presario CQ40-638TX system.
  • €75.02 inc. VAT*
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2427502

Crucial MX500 500GB SATA 2.5-inch 7mm (with 9.5mm adapter) Internal SSD

CT11280903

  • 500GB 2.5-inch internal SSD • SATA 6.0Gb/s • 560 MB/s Read, 510 MB/s Write
  • upgrade for HP - Compaq Presario CQ40-638TX system.
  • €125.45 inc. VAT*
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