userType : G
Shopping Cart
???ACCE_Region_Wish_List_Content???
no items in the wish list

select a store

United States (USD) European Union (Euros) United Kingdom (GBP) Francais (Euros) Italiano (Euros) Germany (Euros) Japan (YEN) Korea (WON) India (INR) Brazil (BRL) 中国 (亚洲)
select
Message Dialog Display Update Message

See what's installed now.

scan your system

HP - Compaq Presario CQ40-342TU 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 CQ40-342TU

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.

installation guides

crucial awards

BizRate.com Circle of Excellence Stevie Award Silver Stevie Award Bronze

we take care of our customers

trust-freeship trust-freereturns trust-freesupport trust-tracking

Compatible Memory

10817

Crucial 2GB DDR2-800 SODIMM

CT1359397

  • DDR2 PC2-6400 • CL=6 • Unbuffered • NON-ECC • DDR2-800 • 1.8V • 256Meg x 64 •
  • upgrade for HP - Compaq Presario CQ40-342TU system.
  • €29.51 inc. VAT*
add to cart
  • compare
  • Add to wish list
10981

Crucial 4GB DDR2-800 SODIMM

CT1359386

  • DDR2 PC2-6400 • CL=6 • Unbuffered • NON-ECC • DDR2-800 • 1.8V • 512Meg x 64 •
  • upgrade for HP - Compaq Presario CQ40-342TU system.
  • €127.91 inc. VAT*
add to cart
  • compare
  • Add to wish list

Compatible SSDs

2427501

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

CT11247509

  • 250GB 2.5-inch internal SSD • SATA 6.0Gb/s • 560 MB/s Read, 510 MB/s Write
  • upgrade for HP - Compaq Presario CQ40-342TU system.
  • €63.81 inc. VAT*
add to cart
  • compare
  • Add to wish list
2427502

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

CT11280268

  • 500GB 2.5-inch internal SSD • SATA 6.0Gb/s • 560 MB/s Read, 510 MB/s Write
  • upgrade for HP - Compaq Presario CQ40-342TU system.
  • €96.08 inc. VAT*
add to cart
  • compare
  • Add to wish list
help desk software