The Supermicro A+ Server AS1020C-3 (AS-1020C-3) uses DDR DIMM ECC REG PC2700 333MHz, 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.

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Memory Type DDR DIMM ECC REG PC2700 333MHz, ECC REG PC3200 400MHz
Base Memory 0MB (Removable)
Upgrade Slots 4 Sockets (2 banks of 2) per CPU 8 Sockets total
Maximum Memory 12GB using DDR400 with 2 CPU's 16GB using DDR266 or DDR333 with 2 CPU's
Maximum Module Size 4GB
CPU & Chipset AMD Opteron Nvidia nForce 2200 Professional
Bus Architecture PCI Express; PCI-X; SSD - SATA 3.5-inch; USB
Manufacturer Part Numbers
  • AS-1020C-3
  • AS-1020C-3B
Part Number 33.1ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$21.99
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Part Number 321ERC3
333MHz 184pin CL3 Registered ECC
In Stock
$23.99
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Part Number 321ERDC2/5
333MHz 184pin CL2.5 Registered Dual Rank ECC
In Stock
$23.99
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Part Number 331ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$23.99
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Part Number 331ERDC3
400MHz 184pin CL3 Registered Dual Rank ECC
In Stock
$23.99
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Part Number 32.1ERC3
333MHz 184pin CL3 Registered ECC
In Stock
$30.99
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Part Number 33.1ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$34.99
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Part Number 33.2ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$34.99
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Part Number 321ERC3H
333MHz 184pin CL3 Registered ECC
In Stock
$37.99
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Part Number 321ERDC2/5H
333MHz 184pin CL2.5 Registered Dual Rank ECC
In Stock
$37.99
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Part Number 331ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$37.99
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Part Number 331ERDC3H
400MHz 184pin CL3 Registered Dual Rank ECC
In Stock
$37.99
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Part Number 32.5ERC3
333MHz 184pin CL3 Registered ECC
Call to Order
$40.99
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Part Number 321ERC3-2
333MHz 184pin CL3 Registered ECC
In Stock
$46.99
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Part Number 322ERC3
333MHz 184pin CL3 Registered ECC
In Stock
$46.99
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Part Number 331ERC3-2
400MHz 184pin CL3 Registered ECC
In Stock
$46.99
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Part Number 332ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$46.99
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Part Number 32.1ERC3H
333MHz 184pin CL3 Registered ECC
In Stock
$49.99
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Part Number 32.2ERC3
333MHz 184pin CL3 Registered ECC
In Stock
$49.99
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Part Number 33.2ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$54.99
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Part Number 32.5ERSC2/5
333MHz 184pin CL2.5 Registered Single Rank ECC
In Stock
$55.99
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Part Number 33.5ERSC3
400MHz 184pin CL3 Registered Single Rank ECC
In Stock
$55.99
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Part Number 32.5ERC3H
333MHz 184pin CL3 Registered ECC
Call to Order
$64.99
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Part Number 33.2ERC3-2
400MHz 184pin CL3 Registered ECC
In Stock
$68.99
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Part Number 321ERC3-2H
333MHz 184pin CL3 Registered ECC
In Stock
$74.99
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Part Number 322ERC3H
333MHz 184pin CL3 Registered ECC
In Stock
$74.99
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Part Number 331ERC3-2H
400MHz 184pin CL3 Registered ECC
In Stock
$74.99
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Part Number 332ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$74.99
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Part Number 33.5ERC3
400MHz 184pin CL3 Registered ECC
Call to Order
$77.99
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Part Number 32.2ERC3H
333MHz 184pin CL3 Registered ECC
In Stock
$79.99
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Part Number 32.5ERC3-2
333MHz 184pin CL3 Registered ECC
Call to Order
$80.99
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Part Number 32.5ERSC2/5H
333MHz 184pin CL2.5 Registered Single Rank ECC
In Stock
$89.99
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Part Number 33.5ERSC3H
400MHz 184pin CL3 Registered Single Rank ECC
In Stock
$89.99
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Part Number 321ERC3-4
333MHz 184pin CL3 Registered ECC
In Stock
$92.99
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Part Number 331ERC3-4
400MHz 184pin CL3 Registered ECC
In Stock
$92.99
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Part Number 32.2ERC3-2
333MHz 184pin CL3 Registered ECC
In Stock
$99.99
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Part Number SSD/64G
Call to Order
$99.99
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Part Number 33.2ERC3-2H
400MHz 184pin CL3 Registered ECC
In Stock
$109.99
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Part Number 33.5ERC3H
400MHz 184pin CL3 Registered ECC
Call to Order
$124.99
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Part Number 32.5ERC3-2H
333MHz 184pin CL3 Registered ECC
Call to Order
$129.99
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Part Number 33.2ERC3-4
400MHz 184pin CL3 Registered ECC
In Stock
$136.99
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Part Number SSD/32G
Call to Order
$139.99
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Part Number 321ERC3-4H
333MHz 184pin CL3 Registered ECC
In Stock
$149.99
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Part Number 331ERC3-4H
400MHz 184pin CL3 Registered ECC
In Stock
$149.99
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Part Number 33.5ERC3-2
400MHz 184pin CL3 Registered ECC
Call to Order
$154.99
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Part Number 32.2ERC3-2H
333MHz 184pin CL3 Registered ECC
In Stock
$159.99
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Part Number SSD/64GH
Call to Order
$159.99
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Part Number 32.2ERC3-4
333MHz 184pin CL3 Registered ECC
In Stock
$198.99
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Part Number 33.2ERC3-4H
400MHz 184pin CL3 Registered ECC
In Stock
$219.99
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Part Number SSD/32GH
Call to Order
$224.99
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Part Number 33.5ERC3-2H
400MHz 184pin CL3 Registered ECC
Call to Order
$249.99
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Part Number 32.2ERC3-4H
333MHz 184pin CL3 Registered ECC
In Stock
$319.99
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Part Number 334ERC3
400MHz 184pin CL3 Registered ECC
Call to Order
$387.99
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Part Number 334ERC3H
400MHz 184pin CL3 Registered ECC
Call to Order
$624.99
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Part Number 321ERC3-4
333MHz 184pin CL3 Registered ECC
In Stock
$92.99
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Part Number 331ERC3-4
400MHz 184pin CL3 Registered ECC
In Stock
$92.99
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Part Number 321ERC3-4H
333MHz 184pin CL3 Registered ECC
In Stock
$149.99
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Part Number 331ERC3-4H
400MHz 184pin CL3 Registered ECC
In Stock
$149.99
View Product
Part Number 334ERC3
400MHz 184pin CL3 Registered ECC
Call to Order
$387.99
View Product
Part Number 334ERC3H
400MHz 184pin CL3 Registered ECC
Call to Order
$624.99
View Product
Part Number 321ERC3-2
333MHz 184pin CL3 Registered ECC
In Stock
$46.99
View Product
Part Number 322ERC3
333MHz 184pin CL3 Registered ECC
In Stock
$46.99
View Product
Part Number 331ERC3-2
400MHz 184pin CL3 Registered ECC
In Stock
$46.99
View Product
Part Number 332ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$46.99
View Product
Part Number 321ERC3-2H
333MHz 184pin CL3 Registered ECC
In Stock
$74.99
View Product
Part Number 322ERC3H
333MHz 184pin CL3 Registered ECC
In Stock
$74.99
View Product
Part Number 331ERC3-2H
400MHz 184pin CL3 Registered ECC
In Stock
$74.99
View Product
Part Number 332ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$74.99
View Product
Part Number 321ERC3
333MHz 184pin CL3 Registered ECC
In Stock
$23.99
View Product
Part Number 321ERDC2/5
333MHz 184pin CL2.5 Registered Dual Rank ECC
In Stock
$23.99
View Product
Part Number 331ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$23.99
View Product
Part Number 331ERDC3
400MHz 184pin CL3 Registered Dual Rank ECC
In Stock
$23.99
View Product
Part Number 321ERC3H
333MHz 184pin CL3 Registered ECC
In Stock
$37.99
View Product
Part Number 321ERDC2/5H
333MHz 184pin CL2.5 Registered Dual Rank ECC
In Stock
$37.99
View Product
Part Number 331ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$37.99
View Product
Part Number 331ERDC3H
400MHz 184pin CL3 Registered Dual Rank ECC
In Stock
$37.99
View Product
Part Number 32.5ERC3-2
333MHz 184pin CL3 Registered ECC
Call to Order
$80.99
View Product
Part Number 32.5ERC3-2H
333MHz 184pin CL3 Registered ECC
Call to Order
$129.99
View Product
Part Number 33.2ERC3-4
400MHz 184pin CL3 Registered ECC
In Stock
$136.99
View Product
Part Number 33.5ERC3-2
400MHz 184pin CL3 Registered ECC
Call to Order
$154.99
View Product
Part Number 32.2ERC3-4
333MHz 184pin CL3 Registered ECC
In Stock
$198.99
View Product
Part Number 33.2ERC3-4H
400MHz 184pin CL3 Registered ECC
In Stock
$219.99
View Product
Part Number 33.5ERC3-2H
400MHz 184pin CL3 Registered ECC
Call to Order
$249.99
View Product
Part Number 32.2ERC3-4H
333MHz 184pin CL3 Registered ECC
In Stock
$319.99
View Product
Part Number 32.5ERC3
333MHz 184pin CL3 Registered ECC
Call to Order
$40.99
View Product
Part Number 32.5ERSC2/5
333MHz 184pin CL2.5 Registered Single Rank ECC
In Stock
$55.99
View Product
Part Number 33.5ERSC3
400MHz 184pin CL3 Registered Single Rank ECC
In Stock
$55.99
View Product
Part Number 32.5ERC3H
333MHz 184pin CL3 Registered ECC
Call to Order
$64.99
View Product
Part Number 33.2ERC3-2
400MHz 184pin CL3 Registered ECC
In Stock
$68.99
View Product
Part Number 33.5ERC3
400MHz 184pin CL3 Registered ECC
Call to Order
$77.99
View Product
Part Number 32.5ERSC2/5H
333MHz 184pin CL2.5 Registered Single Rank ECC
In Stock
$89.99
View Product
Part Number 33.5ERSC3H
400MHz 184pin CL3 Registered Single Rank ECC
In Stock
$89.99
View Product
Part Number 32.2ERC3-2
333MHz 184pin CL3 Registered ECC
In Stock
$99.99
View Product
Part Number 33.2ERC3-2H
400MHz 184pin CL3 Registered ECC
In Stock
$109.99
View Product
Part Number 33.5ERC3H
400MHz 184pin CL3 Registered ECC
Call to Order
$124.99
View Product
Part Number 32.2ERC3-2H
333MHz 184pin CL3 Registered ECC
In Stock
$159.99
View Product
Part Number 33.2ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$34.99
View Product
Part Number 32.2ERC3
333MHz 184pin CL3 Registered ECC
In Stock
$49.99
View Product
Part Number 33.2ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$54.99
View Product
Part Number 32.2ERC3H
333MHz 184pin CL3 Registered ECC
In Stock
$79.99
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Part Number 33.1ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$21.99
View Product
Part Number 32.1ERC3
333MHz 184pin CL3 Registered ECC
In Stock
$30.99
View Product
Part Number 33.1ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$34.99
View Product
Part Number 32.1ERC3H
333MHz 184pin CL3 Registered ECC
In Stock
$49.99
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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
KVR333S8R25/512 512MB DDR PC2700 333MHz ECC REG Single Rank DIMM Kingston 32.5ERSC2/5
KVR333D8R25/1G 1GB DDR PC2700 333MHz ECC REG Dual Rank DIMM Kingston 321ERDC2/5
KVR400S8R3A/512 512MB DDR PC3200 400MHz ECC REG Single Rank DIMM Kingston 33.5ERSC3
KVR400D8R3A/1G 1GB DDR PC3200 400MHz ECC REG Dual Rank DIMM Kingston 331ERDC3
SNA-BR/35 2.5 to 3.5in Brackets and Screws Kingston
SNE125-S2/32GB 32GB Solid State Drive Kingston SSD/32G
SNE125-S2/64GB 64GB Solid State Drive Kingston SSD/64G