The IBM/Lenovo eServer xSeries BladeCenter LS20 (8850-xxx) uses DDR DIMM REG PC3200 400MHz, ECC REG PC3200 400MHz 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 DDR DIMM REG PC3200 400MHz, ECC REG PC3200 400MHz
Base Memory 1GB (Removable) or 2GB (Removable)
Upgrade Slots 4 Sockets (2 banks of 2)
Maximum Memory 8GB with products 16GB with 8GB kit
Maximum Module Size 4GB
CPU & Chipset AMD Opteron AMD 8000 Series
Bus Architecture PCI-X
Manufacturer Part Numbers
  • 8850-xxx
Part Number 33.2ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$34.99
View Product
Part Number 33.2RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$38.99
View Product
Part Number 33.2RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$38.99
View Product
Part Number 33.1ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$46.99
View Product
Part Number 33.1RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$46.99
View Product
Part Number 33.2ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$54.99
View Product
Part Number 331RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$54.99
View Product
Part Number 33.5ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$55.99
View Product
Part Number 33.5RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$55.99
View Product
Part Number 33.5RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$55.99
View Product
Part Number 33.1RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$61.99
View Product
Part Number 331ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$61.99
View Product
Part Number 331RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$61.99
View Product
Part Number 33.2RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$62.99
View Product
Part Number 33.2RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$62.99
View Product
Part Number 33.2ERVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$68.99
View Product
Part Number 33.1ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$74.99
View Product
Part Number 33.1RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$74.99
View Product
Part Number 33.2RVLPC3-2
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$77.99
View Product
Part Number 33.2RVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$77.99
View Product
Part Number 332ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$77.99
View Product
Part Number 331RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$87.99
View Product
Part Number 33.5ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$89.99
View Product
Part Number 33.5RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$89.99
View Product
Part Number 33.5RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$89.99
View Product
Part Number 33.1RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$99.99
View Product
Part Number 331ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$99.99
View Product
Part Number 331RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$99.99
View Product
Part Number 331RVLPC3-2
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$108.99
View Product
Part Number 33.2ERVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$109.99
View Product
Part Number 33.5ERVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$111.99
View Product
Part Number 33.5RVLPC3-2
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$111.99
View Product
Part Number 33.5RVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$111.99
View Product
Part Number 331ERVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$123.99
View Product
Part Number 331RVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$123.99
View Product
Part Number 33.2RVLPC3-2H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$124.99
View Product
Part Number 33.2RVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$124.99
View Product
Part Number 332ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$124.99
View Product
Part Number 33.2ERVLPKC3-4
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$136.99
View Product
Part Number 33.2RVLPC3-4
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$154.99
View Product
Part Number 33.2RVLPKC3-4
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$154.99
View Product
Part Number 331RVLPC3-2H
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$174.99
View Product
Part Number 33.5ERVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$179.99
View Product
Part Number 33.5RVLPC3-2H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$179.99
View Product
Part Number 33.5RVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$179.99
View Product
Part Number 331ERVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$199.99
View Product
Part Number 331RVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$199.99
View Product
Part Number 331RVLPC3-4
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$216.99
View Product
Part Number 33.2ERVLPKC3-4H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$219.99
View Product
Part Number 332RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$232.99
View Product
Part Number 332RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$232.99
View Product
Part Number 331ERVLPKC3-4
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$247.99
View Product
Part Number 331RVLPKC3-4
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$247.99
View Product
Part Number 33.2RVLPC3-4H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$249.99
View Product
Part Number 33.2RVLPKC3-4H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$249.99
View Product
Part Number 331RVLPC3-4H
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$349.99
View Product
Part Number 332RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$374.99
View Product
Part Number 332RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$374.99
View Product
Part Number 334ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
Call to Order
$387.99
View Product
Part Number 334RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$387.99
View Product
Part Number 331ERVLPKC3-4H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$399.99
View Product
Part Number 331RVLPKC3-4H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$399.99
View Product
Part Number 334RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$418.99
View Product
Part Number 334ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
Call to Order
$624.99
View Product
Part Number 334RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$624.99
View Product
Part Number 334RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$674.99
View Product
Part Number 331RVLPC3-4
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$216.99
View Product
Part Number 331ERVLPKC3-4
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$247.99
View Product
Part Number 331RVLPKC3-4
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$247.99
View Product
Part Number 331RVLPC3-4H
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$349.99
View Product
Part Number 334ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
Call to Order
$387.99
View Product
Part Number 334RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$387.99
View Product
Part Number 331ERVLPKC3-4H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$399.99
View Product
Part Number 331RVLPKC3-4H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$399.99
View Product
Part Number 334RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$418.99
View Product
Part Number 334ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
Call to Order
$624.99
View Product
Part Number 334RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$624.99
View Product
Part Number 334RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$674.99
View Product
Part Number 332ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$77.99
View Product
Part Number 331RVLPC3-2
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$108.99
View Product
Part Number 331ERVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$123.99
View Product
Part Number 331RVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$123.99
View Product
Part Number 332ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$124.99
View Product
Part Number 331RVLPC3-2H
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$174.99
View Product
Part Number 331ERVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$199.99
View Product
Part Number 331RVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$199.99
View Product
Part Number 332RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$232.99
View Product
Part Number 332RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$232.99
View Product
Part Number 332RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$374.99
View Product
Part Number 332RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$374.99
View Product
Part Number 331RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$54.99
View Product
Part Number 331ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$61.99
View Product
Part Number 331RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$61.99
View Product
Part Number 331RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
Call to Order
$87.99
View Product
Part Number 331ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$99.99
View Product
Part Number 331RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
Call to Order
$99.99
View Product
Part Number 33.5ERVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$111.99
View Product
Part Number 33.5RVLPC3-2
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$111.99
View Product
Part Number 33.5RVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$111.99
View Product
Part Number 33.2ERVLPKC3-4
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$136.99
View Product
Part Number 33.2RVLPC3-4
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$154.99
View Product
Part Number 33.2RVLPKC3-4
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$154.99
View Product
Part Number 33.5ERVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$179.99
View Product
Part Number 33.5RVLPC3-2H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$179.99
View Product
Part Number 33.5RVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$179.99
View Product
Part Number 33.2ERVLPKC3-4H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$219.99
View Product
Part Number 33.2RVLPC3-4H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$249.99
View Product
Part Number 33.2RVLPKC3-4H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$249.99
View Product
Part Number 33.5ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$55.99
View Product
Part Number 33.5RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$55.99
View Product
Part Number 33.5RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$55.99
View Product
Part Number 33.2ERVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$68.99
View Product
Part Number 33.2RVLPC3-2
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$77.99
View Product
Part Number 33.2RVLPKC3-2
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$77.99
View Product
Part Number 33.5ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$89.99
View Product
Part Number 33.5RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$89.99
View Product
Part Number 33.5RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$89.99
View Product
Part Number 33.2ERVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$109.99
View Product
Part Number 33.2RVLPC3-2H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$124.99
View Product
Part Number 33.2RVLPKC3-2H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$124.99
View Product
Part Number 33.2ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$34.99
View Product
Part Number 33.2RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$38.99
View Product
Part Number 33.2RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$38.99
View Product
Part Number 33.2ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$54.99
View Product
Part Number 33.2RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$62.99
View Product
Part Number 33.2RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$62.99
View Product
Part Number 33.1ERVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$46.99
View Product
Part Number 33.1RVLPC3
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$46.99
View Product
Part Number 33.1RVLPKC3
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$61.99
View Product
Part Number 33.1ERVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill ECC
In Stock
$74.99
View Product
Part Number 33.1RVLPC3H
400MHz 184pin CL3 Registered Very Low Profile
In Stock
$74.99
View Product
Part Number 33.1RVLPKC3H
400MHz 184pin CL3 Registered Very Low Profile Chipkill
In Stock
$99.99
View Product

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
KTM5121/1G 1GB Kit of 2 512MB DDR PC3200 400MHz REG VLP DIMM Kingston 33.5RVLPC3-2
KTM5121/2G 2GB Kit of 2 1GB DDR PC3200 400MHz REG VLP Chipkill DIMM Kingston 331RVLPKC3-2
KTM5121/4G 4GB Kit of 2 2GB DDR PC3200 400MHz ECC REG Low Profile VLP Chipkill DIMM Kingston 332ERLPVLPKC3-2