The IBM/Lenovo eServer xSeries 335 (NX76xxx) uses DDR DIMM ECC PC2100 266MHz, 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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Memory Type DDR DIMM ECC PC2100 266MHz, ECC REG PC2100 266MHz, REG PC2100 266MHz
Base Memory 512MB (Removable) or 1GB (Removable)
Upgrade Slots 4 Sockets (2 banks of 2)
Maximum Memory 8GB
Maximum Module Size 2GB
CPU & Chipset Intel Xeon 2 GHz ServerWorks GC-LE Intel Xeon 3.06 GHz ServerWorks GC-LE
Bus Architecture PCI
Manufacturer Part Numbers
  • NX76xxx
Part Number 31.1RC3
266MHz 184pin CL3 Registered
In Stock
$15.99
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Part Number 31.5ERC3
266MHz 184pin CL3 Registered ECC
Call to Order
$23.99
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Part Number 311ERC3
266MHz 184pin CL3 Registered ECC
In Stock
$23.99
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Part Number 31.1RC3H
266MHz 184pin CL3 Registered
In Stock
$24.99
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Part Number 31.1EC3
266MHz 184pin CL3 ECC
Call to Order
$30.99
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Part Number 31.2EC3
266MHz 184pin CL3 ECC
Call to Order
$34.99
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Part Number 31.5ERC3H
266MHz 184pin CL3 Registered ECC
Call to Order
$37.99
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Part Number 311ERC3H
266MHz 184pin CL3 Registered ECC
In Stock
$37.99
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Part Number 311EC3
266MHz 184pin CL3 ECC
In Stock
$38.99
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Part Number 31.5EC3
266MHz 184pin CL3 ECC
Call to Order
$40.99
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Part Number 31.1ERC3
266MHz 184pin CL3 Registered ECC
Call to Order
$46.99
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Part Number 31.5ERC3-2
266MHz 184pin CL3 Registered ECC
Call to Order
$46.99
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Part Number 311ERC3-2
266MHz 184pin CL3 Registered ECC
In Stock
$46.99
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Part Number 312EC3
266MHz 184pin CL3 ECC
Call to Order
$46.99
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Part Number 312ERC3
266MHz 184pin CL3 Registered ECC
Call to Order
$46.99
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Part Number 31.1EC3H
266MHz 184pin CL3 ECC
Call to Order
$49.99
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Part Number 31.2ERC3
266MHz 184pin CL3 Registered ECC
Call to Order
$49.99
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Part Number 31.2EC3H
266MHz 184pin CL3 ECC
Call to Order
$54.99
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Part Number 311EC3H
266MHz 184pin CL3 ECC
In Stock
$62.99
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Part Number 31.5RC3
266MHz 184pin CL3 Registered
In Stock
$63.99
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Part Number 31.5EC3H
266MHz 184pin CL3 ECC
Call to Order
$64.99
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Part Number 31.2RC3
266MHz 184pin CL3 Registered
In Stock
$65.99
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Part Number 31.2EC3-2
266MHz 184pin CL3 ECC
Call to Order
$68.99
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Part Number 311RC3
266MHz 184pin CL3 Registered
Call to Order
$69.99
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Part Number 31.1ERC3H
266MHz 184pin CL3 Registered ECC
Call to Order
$74.99
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Part Number 31.5ERC3-2H
266MHz 184pin CL3 Registered ECC
Call to Order
$74.99
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Part Number 311ERC3-2H
266MHz 184pin CL3 Registered ECC
In Stock
$74.99
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Part Number 312EC3H
266MHz 184pin CL3 ECC
Call to Order
$74.99
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Part Number 312ERC3H
266MHz 184pin CL3 Registered ECC
Call to Order
$74.99
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Part Number 311EC3-2
266MHz 184pin CL3 ECC
In Stock
$77.99
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Part Number 31.2ERC3H
266MHz 184pin CL3 Registered ECC
Call to Order
$79.99
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Part Number 31.5EC3-2
266MHz 184pin CL3 ECC
Call to Order
$80.99
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Part Number 311ERC3-4
266MHz 184pin CL3 Registered ECC
In Stock
$92.99
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Part Number 31.2ERC3-2
266MHz 184pin CL3 Registered ECC
Call to Order
$99.99
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Part Number 31.5RC3H
266MHz 184pin CL3 Registered
In Stock
$102.99
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Part Number 31.2RC3H
266MHz 184pin CL3 Registered
In Stock
$104.99
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Part Number 31.2EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$109.99
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Part Number 311RC3H
266MHz 184pin CL3 Registered
Call to Order
$112.99
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Part Number 311EC3-2H
266MHz 184pin CL3 ECC
In Stock
$124.99
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Part Number 31.5RC3-2
266MHz 184pin CL3 Registered
In Stock
$127.99
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Part Number 31.5EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$129.99
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Part Number 31.2RC3-2
266MHz 184pin CL3 Registered
In Stock
$130.99
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Part Number 31.2EC3-4
266MHz 184pin CL3 ECC
Call to Order
$136.99
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Part Number 311RAC3-2
266MHz 184pin CL3 Registered TAA Certified
Call to Order
$139.99
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Part Number 311RC3-2
266MHz 184pin CL3 Registered
Call to Order
$139.99
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Part Number 311ERC3-4H
266MHz 184pin CL3 Registered ECC
In Stock
$149.99
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Part Number 311EC3-4
266MHz 184pin CL3 ECC
In Stock
$154.99
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Part Number 312RC3
266MHz 184pin CL3 Registered
Call to Order
$154.99
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Part Number 31.2ERC3-2H
266MHz 184pin CL3 Registered ECC
Call to Order
$159.99
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Part Number 31.2ERC3-4
266MHz 184pin CL3 Registered ECC
Call to Order
$198.99
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Part Number 31.5RC3-2H
266MHz 184pin CL3 Registered
In Stock
$204.99
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Part Number 31.2RC3-2H
266MHz 184pin CL3 Registered
In Stock
$209.99
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Part Number 31.2EC3-4H
266MHz 184pin CL3 ECC
Call to Order
$219.99
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Part Number 311RAC3-2H
266MHz 184pin CL3 Registered TAA Certified
Call to Order
$224.99
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Part Number 311RC3-2H
266MHz 184pin CL3 Registered
Call to Order
$224.99
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Part Number 311EC3-4H
266MHz 184pin CL3 ECC
In Stock
$249.99
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Part Number 312RC3H
266MHz 184pin CL3 Registered
Call to Order
$249.99
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Part Number 31.2RC3-4
266MHz 184pin CL3 Registered
In Stock
$260.99
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Part Number 311RC3-4
266MHz 184pin CL3 Registered
Call to Order
$278.99
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Part Number 31.2ERC3-4H
266MHz 184pin CL3 Registered ECC
Call to Order
$319.99
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Part Number 31.2RC3-4H
266MHz 184pin CL3 Registered
In Stock
$419.99
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Part Number 311RC3-4H
266MHz 184pin CL3 Registered
Call to Order
$449.99
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Part Number 311ERC3-4
266MHz 184pin CL3 Registered ECC
In Stock
$92.99
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Part Number 311ERC3-4H
266MHz 184pin CL3 Registered ECC
In Stock
$149.99
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Part Number 311EC3-4
266MHz 184pin CL3 ECC
In Stock
$154.99
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Part Number 311EC3-4H
266MHz 184pin CL3 ECC
In Stock
$249.99
View Product
Part Number 311RC3-4
266MHz 184pin CL3 Registered
Call to Order
$278.99
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Part Number 311RC3-4H
266MHz 184pin CL3 Registered
Call to Order
$449.99
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Part Number 311ERC3-2
266MHz 184pin CL3 Registered ECC
In Stock
$46.99
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Part Number 312EC3
266MHz 184pin CL3 ECC
Call to Order
$46.99
View Product
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
View Product
Part Number 312EC3H
266MHz 184pin CL3 ECC
Call to Order
$74.99
View Product
Part Number 312ERC3H
266MHz 184pin CL3 Registered ECC
Call to Order
$74.99
View Product
Part Number 311EC3-2
266MHz 184pin CL3 ECC
In Stock
$77.99
View Product
Part Number 311EC3-2H
266MHz 184pin CL3 ECC
In Stock
$124.99
View Product
Part Number 311RAC3-2
266MHz 184pin CL3 Registered TAA Certified
Call to Order
$139.99
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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
View Product
Part Number 311ERC3H
266MHz 184pin CL3 Registered ECC
In Stock
$37.99
View Product
Part Number 311EC3
266MHz 184pin CL3 ECC
In Stock
$38.99
View Product
Part Number 31.5ERC3-2
266MHz 184pin CL3 Registered ECC
Call to Order
$46.99
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Part Number 311EC3H
266MHz 184pin CL3 ECC
In Stock
$62.99
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
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Part Number 31.5EC3-2
266MHz 184pin CL3 ECC
Call to Order
$80.99
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
View Product
Part Number 31.5EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$129.99
View Product
Part Number 31.2EC3-4
266MHz 184pin CL3 ECC
Call to Order
$136.99
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
View Product
Part Number 31.2EC3-4H
266MHz 184pin CL3 ECC
Call to Order
$219.99
View Product
Part Number 31.2RC3-4
266MHz 184pin CL3 Registered
In Stock
$260.99
View Product
Part Number 31.2ERC3-4H
266MHz 184pin CL3 Registered ECC
Call to Order
$319.99
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Part Number 31.2RC3-4H
266MHz 184pin CL3 Registered
In Stock
$419.99
View Product
Part Number 31.5ERC3
266MHz 184pin CL3 Registered ECC
Call to Order
$23.99
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Part Number 31.5ERC3H
266MHz 184pin CL3 Registered ECC
Call to Order
$37.99
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Part Number 31.5EC3
266MHz 184pin CL3 ECC
Call to Order
$40.99
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Part Number 31.5RC3
266MHz 184pin CL3 Registered
In Stock
$63.99
View Product
Part Number 31.5EC3H
266MHz 184pin CL3 ECC
Call to Order
$64.99
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Part Number 31.2EC3-2
266MHz 184pin CL3 ECC
Call to Order
$68.99
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Part Number 31.2ERC3-2
266MHz 184pin CL3 Registered ECC
Call to Order
$99.99
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Part Number 31.5RC3H
266MHz 184pin CL3 Registered
In Stock
$102.99
View Product
Part Number 31.2EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$109.99
View Product
Part Number 31.2RC3-2
266MHz 184pin CL3 Registered
In Stock
$130.99
View Product
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
View Product
Part Number 31.2EC3
266MHz 184pin CL3 ECC
Call to Order
$34.99
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Part Number 31.2ERC3
266MHz 184pin CL3 Registered ECC
Call to Order
$49.99
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Part Number 31.2EC3H
266MHz 184pin CL3 ECC
Call to Order
$54.99
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Part Number 31.2RC3
266MHz 184pin CL3 Registered
In Stock
$65.99
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Part Number 31.2ERC3H
266MHz 184pin CL3 Registered ECC
Call to Order
$79.99
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Part Number 31.2RC3H
266MHz 184pin CL3 Registered
In Stock
$104.99
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Part Number 31.1RC3
266MHz 184pin CL3 Registered
In Stock
$15.99
View Product
Part Number 31.1RC3H
266MHz 184pin CL3 Registered
In Stock
$24.99
View Product
Part Number 31.1EC3
266MHz 184pin CL3 ECC
Call to Order
$30.99
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Part Number 31.1ERC3
266MHz 184pin CL3 Registered ECC
Call to Order
$46.99
View Product
Part Number 31.1EC3H
266MHz 184pin CL3 ECC
Call to Order
$49.99
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Part Number 31.1ERC3H
266MHz 184pin CL3 Registered ECC
Call to Order
$74.99
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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
KTM5037/512 512MB Kit of 2 256MB DDR PC2100 266MHz ECC DIMM Kingston 31.2EC3-2
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