IBM/Lenovo eServer xSeries 455 (8855-xxx) Specs & Upgrades
The IBM/Lenovo eServer xSeries 455 (8855-xxx) uses DDR DIMM ECC REG PC2100 266MHz, REG PC2100 266MHz 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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to verify exact system specs before ordering.
Memory Type | DDR DIMM ECC REG PC2100 266MHz, REG PC2100 266MHz |
---|---|
Base Memory | 1GB (Removable) or 2GB (Removable) |
Upgrade Slots | 28 Sockets (14 banks of 2) for two-way interleaving 28 Sockets (7 banks of 4) for four-way interleaving or memory mirroring |
Maximum Memory | 56GB |
Maximum Module Size | 2GB |
CPU & Chipset | Intel Itanium 2 IBM XA-64 |
Bus Architecture | PCI |
Manufacturer Part Numbers |
|
Available Upgrades
Part Number 31.1RC3
266MHz
184pin
CL3
Registered
In Stock
|
$15.99
|
|
Part Number 31.5ERC3
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$23.99
View Product
|
|
Part Number 311ERC3
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$23.99
|
|
Part Number 31.1RC3H
266MHz
184pin
CL3
Registered
In Stock
|
$24.99
|
|
Part Number 31.5ERC3H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$37.99
View Product
|
|
Part Number 311ERC3H
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$37.99
|
|
Part Number 31.1ERC3
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$46.99
View Product
|
|
Part Number 31.5ERC3-2
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$46.99
View Product
|
|
Part Number 311ERC3-2
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$46.99
|
|
Part Number 312ERC3
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$46.99
View Product
|
|
Part Number 31.2ERC3
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$49.99
View Product
|
|
Part Number 31.5RC3
266MHz
184pin
CL3
Registered
In Stock
|
$63.99
|
|
Part Number 31.2RC3
266MHz
184pin
CL3
Registered
In Stock
|
$65.99
|
|
Part Number 311RC3
266MHz
184pin
CL3
Registered
Call to Order
|
$69.99
View Product
|
|
Part Number 31.1ERC3H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$74.99
View Product
|
|
Part Number 31.5ERC3-2H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$74.99
View Product
|
|
Part Number 311ERC3-2H
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$74.99
|
|
Part Number 312ERC3H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$74.99
View Product
|
|
Part Number 31.2ERC3H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$79.99
View Product
|
|
Part Number 311ERC3-4
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$92.99
|
|
Part Number 31.2ERC3-2
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$99.99
View Product
|
|
Part Number 31.5RC3H
266MHz
184pin
CL3
Registered
In Stock
|
$102.99
|
|
Part Number 31.2RC3H
266MHz
184pin
CL3
Registered
In Stock
|
$104.99
|
|
Part Number 311RC3H
266MHz
184pin
CL3
Registered
Call to Order
|
$112.99
View Product
|
|
Part Number 31.5RC3-2
266MHz
184pin
CL3
Registered
In Stock
|
$127.99
|
|
Part Number 31.2RC3-2
266MHz
184pin
CL3
Registered
In Stock
|
$130.99
|
|
Part Number 311RAC3-2
266MHz
184pin
CL3
Registered
TAA Certified
Call to Order
|
$139.99
View Product
|
|
Part Number 311RC3-2
266MHz
184pin
CL3
Registered
Call to Order
|
$139.99
View Product
|
|
Part Number 311ERC3-4H
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$149.99
|
|
Part Number 312RC3
266MHz
184pin
CL3
Registered
Call to Order
|
$154.99
View Product
|
|
Part Number 31.2ERC3-2H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$159.99
View Product
|
|
Part Number 31.2ERC3-4
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$198.99
View Product
|
|
Part Number 31.5RC3-2H
266MHz
184pin
CL3
Registered
In Stock
|
$204.99
|
|
Part Number 31.2RC3-2H
266MHz
184pin
CL3
Registered
In Stock
|
$209.99
|
|
Part Number 311RAC3-2H
266MHz
184pin
CL3
Registered
TAA Certified
Call to Order
|
$224.99
View Product
|
|
Part Number 311RC3-2H
266MHz
184pin
CL3
Registered
Call to Order
|
$224.99
View Product
|
|
Part Number 312RC3H
266MHz
184pin
CL3
Registered
Call to Order
|
$249.99
View Product
|
|
Part Number 31.2RC3-4
266MHz
184pin
CL3
Registered
In Stock
|
$260.99
|
|
Part Number 311RC3-4
266MHz
184pin
CL3
Registered
Call to Order
|
$278.99
View Product
|
|
Part Number 31.2ERC3-4H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$319.99
View Product
|
|
Part Number 31.2RC3-4H
266MHz
184pin
CL3
Registered
In Stock
|
$419.99
|
|
Part Number 311RC3-4H
266MHz
184pin
CL3
Registered
Call to Order
|
$449.99
View Product
|
Part Number 311ERC3-4
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$92.99
|
|
Part Number 311ERC3-4H
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$149.99
|
|
Part Number 311RC3-4
266MHz
184pin
CL3
Registered
Call to Order
|
$278.99
View Product
|
|
Part Number 311RC3-4H
266MHz
184pin
CL3
Registered
Call to Order
|
$449.99
View Product
|
Part Number 311ERC3-2
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$46.99
|
|
Part Number 312ERC3
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$46.99
View Product
|
|
Part Number 311ERC3-2H
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$74.99
|
|
Part Number 312ERC3H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$74.99
View Product
|
|
Part Number 311RAC3-2
266MHz
184pin
CL3
Registered
TAA Certified
Call to Order
|
$139.99
View Product
|
|
Part Number 311RC3-2
266MHz
184pin
CL3
Registered
Call to Order
|
$139.99
View Product
|
|
Part Number 312RC3
266MHz
184pin
CL3
Registered
Call to Order
|
$154.99
View Product
|
|
Part Number 311RAC3-2H
266MHz
184pin
CL3
Registered
TAA Certified
Call to Order
|
$224.99
View Product
|
|
Part Number 311RC3-2H
266MHz
184pin
CL3
Registered
Call to Order
|
$224.99
View Product
|
|
Part Number 312RC3H
266MHz
184pin
CL3
Registered
Call to Order
|
$249.99
View Product
|
Part Number 311ERC3
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$23.99
|
|
Part Number 311ERC3H
266MHz
184pin
CL3
Registered
ECC
In Stock
|
$37.99
|
|
Part Number 31.5ERC3-2
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$46.99
View Product
|
|
Part Number 311RC3
266MHz
184pin
CL3
Registered
Call to Order
|
$69.99
View Product
|
|
Part Number 31.5ERC3-2H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$74.99
View Product
|
|
Part Number 311RC3H
266MHz
184pin
CL3
Registered
Call to Order
|
$112.99
View Product
|
|
Part Number 31.5RC3-2
266MHz
184pin
CL3
Registered
In Stock
|
$127.99
|
|
Part Number 31.2ERC3-4
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$198.99
View Product
|
|
Part Number 31.5RC3-2H
266MHz
184pin
CL3
Registered
In Stock
|
$204.99
|
|
Part Number 31.2RC3-4
266MHz
184pin
CL3
Registered
In Stock
|
$260.99
|
|
Part Number 31.2ERC3-4H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$319.99
View Product
|
|
Part Number 31.2RC3-4H
266MHz
184pin
CL3
Registered
In Stock
|
$419.99
|
Part Number 31.5ERC3
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$23.99
View Product
|
|
Part Number 31.5ERC3H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$37.99
View Product
|
|
Part Number 31.5RC3
266MHz
184pin
CL3
Registered
In Stock
|
$63.99
|
|
Part Number 31.2ERC3-2
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$99.99
View Product
|
|
Part Number 31.5RC3H
266MHz
184pin
CL3
Registered
In Stock
|
$102.99
|
|
Part Number 31.2RC3-2
266MHz
184pin
CL3
Registered
In Stock
|
$130.99
|
|
Part Number 31.2ERC3-2H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$159.99
View Product
|
|
Part Number 31.2RC3-2H
266MHz
184pin
CL3
Registered
In Stock
|
$209.99
|
Part Number 31.2ERC3
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$49.99
View Product
|
|
Part Number 31.2RC3
266MHz
184pin
CL3
Registered
In Stock
|
$65.99
|
|
Part Number 31.2ERC3H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$79.99
View Product
|
|
Part Number 31.2RC3H
266MHz
184pin
CL3
Registered
In Stock
|
$104.99
|
Part Number 31.1RC3
266MHz
184pin
CL3
Registered
In Stock
|
$15.99
|
|
Part Number 31.1RC3H
266MHz
184pin
CL3
Registered
In Stock
|
$24.99
|
|
Part Number 31.1ERC3
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$46.99
View Product
|
|
Part Number 31.1ERC3H
266MHz
184pin
CL3
Registered
ECC
Call to Order
|
$74.99
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 | |
---|---|---|---|
KTM5037/1G | 1GB Kit of 2 512MB DDR PC2100 266MHz ECC REG DIMM | Kingston | 31.5ERC3-2 |
KTM5037/2G | 2GB Kit of 2 1GB DDR PC2100 266MHz ECC REG DIMM | Kingston | 311ERC3-2 |
KTM5037/2G-G | 2GB Kit of 2 1GB DDR PC2100 266MHz REG TAA CERTIFIED DIMM | Kingston | 311RAC3-2 |
KTM5037/4G | 4GB Kit of 2 2GB DDR PC2100 266MHz REG DIMM | Kingston | 312RC3-2 |
KTM5037/4G-G | 4GB Kit of 2 2GB DDR PC2100 266MHz ECC REG TAA CERTIFIED DIMM | Kingston | 312ERAC3-2 |