The HP/Compaq AlphaServer DS20E uses - - memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

Need Assistance? Please call and speak with one of our expert technicians at 800-240-8577 or US 404-935-4048 to verify exact system specs before ordering.
Memory Type - -
Base Memory 128MB (Removable) 256MB (Removable) 512MB (Removable) 1GB (Removable)
Upgrade Slots 16 Sockets (4 banks of 4)
Maximum Memory 4GB
Maximum Module Size 256MB
CPU & Chipset Alpha 21264 833 MHz Alpha 21264 667 MHz Alpha 21264 500 MHz
Bus Architecture ISA; PCI
Manufacturer Part Numbers
  • DA-56PAB-xx
  • DA-56RAA-xx
  • DJ-56PAB-xx
  • DJ-56RAA-xx
  • DY-56PAB-xx
  • DY-56RAA-xx

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
KTV-MS340/256 256MB Kit Kingston
KTV-MS340/512 512MB Kit Kingston
KTV-MS340/1024 1024MB Kit Kingston