The IBM/Lenovo PS/2 Model 40 SX uses - - memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

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Memory Type - -
Base Memory 2MB (Removable)
Upgrade Slots 3 Sockets
Maximum Memory 6MB with Kinston products 16MB with 8MB module
Maximum Module Size
CPU & Chipset Intel i386SX 20 MHz
Bus Architecture AT; ISA

We currently do not offer any upgrades or upgrades are currently unavailable for purchase online. Please contact us to order upgrades for this device.


Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
KTM0129 8MB Module Kingston
KTM1000/M70 1MB Module Kingston
KTM2000/M70 2MB Module Kingston
KTM4000/M70 4MB Module Kingston