The Supermicro A+ Server 4041M-32R+B uses DDR2 DIMM ECC REG PC2-6400 800MHz, ECC REG PC2-3200 400MHz, ECC REG PC2-4200 533MHz, ECC REG PC2-5300 667MHz 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 DDR2 DIMM ECC REG PC2-6400 800MHz, ECC REG PC2-3200 400MHz, ECC REG PC2-4200 533MHz, ECC REG PC2-5300 667MHz
Base Memory 0MB (Removable)
Upgrade Slots 8 Socket(s) per CPU 32 Socket(s) total with 4 CPU's
Maximum Memory 256GB
Maximum Module Size 32GB
CPU & Chipset AMD Opteron (Socket F) / Nvidia nForce Pro 3600
Bus Architecture PCI Express; PCI-X
Notes Important: MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode. Quantum offers "K2" kit part numbers for Dual Channel mode. Mixing DDR2-400 or DDR2-533 Registered DIMMs with DDR2-667 Registered with Parity DIMMs is not recommended. Installing more than four Dual Rank DDR2-667 DIMMs will slow the memory speed to 533MHz. To achieve 128GB using DDR2-667 (32GB per processor bank), 4GB Single Rank modules must be installed. There is a limit of eight memory ranks per processor bank at this speed, using either FOUR Dual Rank modules, or EIGHT Single Rank modules. Mixing x4 and x8 modules is allowed, however not within the same bank.
Manufacturer Part Numbers
  • AS-4041M-32R+B
Part Number 512ERDC3
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$15.99
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Part Number 532ERPDC5
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$15.99
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Part Number 512ERDC3H
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$24.99
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Part Number 532ERPDC5H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$24.99
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Part Number 512ERDC3-2
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$30.99
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Part Number 532ERPDC5-2
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$30.99
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Part Number 542ERPC6
800MHz 240pin CL6 Registered Parity ECC
In Stock
$30.99
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Part Number 542ERPDC6
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$30.99
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Part Number 521ERSC4
533MHz 240pin CL4 Registered Single Rank ECC
In Stock
$43.99
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Part Number 532ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$44.99
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Part Number 511ERSC3
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$46.99
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Part Number 512ERDC3-2H
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$49.99
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Part Number 532ERPDC5-2H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$49.99
View Product
Part Number 542ERPC6H
800MHz 240pin CL6 Registered Parity ECC
In Stock
$49.99
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Part Number 542ERPDC6H
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$49.99
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Part Number 512ERSC3
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$54.99
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Part Number 531ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$58.99
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Part Number 514ERDC3
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$61.99
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Part Number 534ERPDC5
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$61.99
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Part Number 542ERPDC6-2
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$61.99
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Part Number 521ERSC4H
533MHz 240pin CL4 Registered Single Rank ECC
In Stock
$69.99
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Part Number 544ERPDC6
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$69.99
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Part Number 532ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$72.99
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Part Number 511ERSC3H
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$74.99
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Part Number 512ERSC3H
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$87.99
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Part Number 532ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$89.99
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Part Number 511ERSC3-2
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$92.99
View Product
Part Number 531ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$94.99
View Product
Part Number 514ERDC3H
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$99.99
View Product
Part Number 534ERPDC5H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$99.99
View Product
Part Number 542ERPDC6-2H
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$99.99
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Part Number 512ERSC3-2
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$108.99
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Part Number 544ERPDC6H
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$112.99
View Product
Part Number 531ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$117.99
View Product
Part Number 514ERDC3-2
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$123.99
View Product
Part Number 534ERDC5-2
667MHz 240pin CL5 Registered Dual Rank ECC
In Stock
$123.99
View Product
Part Number 534ERPDC5-2
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$123.99
View Product
Part Number 542ERPSC6
800MHz 240pin CL6 Registered Parity Single Rank ECC
In Stock
$139.99
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Part Number 544ERPDC6-2
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$139.99
View Product
Part Number 532ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$144.99
View Product
Part Number 511ERSC3-2H
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$149.99
View Product
Part Number 512ERSC3-2H
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$174.99
View Product
Part Number 531ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$189.99
View Product
Part Number 514ERDC3-2H
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$199.99
View Product
Part Number 534ERDC5-2H
667MHz 240pin CL5 Registered Dual Rank ECC
In Stock
$199.99
View Product
Part Number 534ERPDC5-2H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$199.99
View Product
Part Number 542ERPSC6H
800MHz 240pin CL6 Registered Parity Single Rank ECC
In Stock
$224.99
View Product
Part Number 544ERPDC6-2H
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$224.99
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Part Number 542ERPSC6-2
800MHz 240pin CL6 Registered Parity Single Rank ECC
In Stock
$278.99
View Product
Part Number 542ERPSC6-2H
800MHz 240pin CL6 Registered Parity Single Rank ECC
In Stock
$449.99
View Product
Part Number 538ERPDC5
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$464.99
View Product
Part Number 538ERPDC5H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$749.99
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Part Number 538ERPDC5-2
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$929.99
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Part Number 538ERPDC5-2H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$1499.99
View Product
Part Number 538ERPDC5-2
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$929.99
View Product
Part Number 538ERPDC5-2H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$1499.99
View Product
Part Number 514ERDC3-2
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$123.99
View Product
Part Number 534ERDC5-2
667MHz 240pin CL5 Registered Dual Rank ECC
In Stock
$123.99
View Product
Part Number 534ERPDC5-2
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$123.99
View Product
Part Number 544ERPDC6-2
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$139.99
View Product
Part Number 514ERDC3-2H
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$199.99
View Product
Part Number 534ERDC5-2H
667MHz 240pin CL5 Registered Dual Rank ECC
In Stock
$199.99
View Product
Part Number 534ERPDC5-2H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$199.99
View Product
Part Number 544ERPDC6-2H
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$224.99
View Product
Part Number 538ERPDC5
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$464.99
View Product
Part Number 538ERPDC5H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$749.99
View Product
Part Number 512ERDC3-2
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$30.99
View Product
Part Number 532ERPDC5-2
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$30.99
View Product
Part Number 512ERDC3-2H
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$49.99
View Product
Part Number 532ERPDC5-2H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$49.99
View Product
Part Number 514ERDC3
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$61.99
View Product
Part Number 534ERPDC5
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$61.99
View Product
Part Number 542ERPDC6-2
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$61.99
View Product
Part Number 544ERPDC6
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$69.99
View Product
Part Number 532ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$89.99
View Product
Part Number 514ERDC3H
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$99.99
View Product
Part Number 534ERPDC5H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$99.99
View Product
Part Number 542ERPDC6-2H
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$99.99
View Product
Part Number 512ERSC3-2
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$108.99
View Product
Part Number 544ERPDC6H
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$112.99
View Product
Part Number 532ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$144.99
View Product
Part Number 512ERSC3-2H
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$174.99
View Product
Part Number 542ERPSC6-2
800MHz 240pin CL6 Registered Parity Single Rank ECC
In Stock
$278.99
View Product
Part Number 542ERPSC6-2H
800MHz 240pin CL6 Registered Parity Single Rank ECC
In Stock
$449.99
View Product
Part Number 512ERDC3
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$15.99
View Product
Part Number 532ERPDC5
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$15.99
View Product
Part Number 512ERDC3H
400MHz 240pin CL3 Registered Dual Rank ECC
In Stock
$24.99
View Product
Part Number 532ERPDC5H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$24.99
View Product
Part Number 542ERPC6
800MHz 240pin CL6 Registered Parity ECC
In Stock
$30.99
View Product
Part Number 542ERPDC6
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$30.99
View Product
Part Number 532ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$44.99
View Product
Part Number 542ERPC6H
800MHz 240pin CL6 Registered Parity ECC
In Stock
$49.99
View Product
Part Number 542ERPDC6H
800MHz 240pin CL6 Registered Parity Dual Rank ECC
In Stock
$49.99
View Product
Part Number 512ERSC3
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$54.99
View Product
Part Number 532ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$72.99
View Product
Part Number 512ERSC3H
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$87.99
View Product
Part Number 511ERSC3-2
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$92.99
View Product
Part Number 531ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$117.99
View Product
Part Number 542ERPSC6
800MHz 240pin CL6 Registered Parity Single Rank ECC
In Stock
$139.99
View Product
Part Number 511ERSC3-2H
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$149.99
View Product
Part Number 531ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$189.99
View Product
Part Number 542ERPSC6H
800MHz 240pin CL6 Registered Parity Single Rank ECC
In Stock
$224.99
View Product
Part Number 521ERSC4
533MHz 240pin CL4 Registered Single Rank ECC
In Stock
$43.99
View Product
Part Number 511ERSC3
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$46.99
View Product
Part Number 531ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$58.99
View Product
Part Number 521ERSC4H
533MHz 240pin CL4 Registered Single Rank ECC
In Stock
$69.99
View Product
Part Number 511ERSC3H
400MHz 240pin CL3 Registered Single Rank ECC
In Stock
$74.99
View Product
Part Number 531ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$94.99
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
KVR800D2D8P6/2GHE 2GB DDR2 PC2-6400 800MHz ECC REG Parity DIMM Kingston 542ERPC6
KVR400D2S8R3/1G 1GB DDR2 PC2-3200 400MHz ECC REG Single Rank DIMM Kingston 511ERSC3
KVR400D2S4R3/2G 2GB DDR2 PC2-3200 400MHz ECC REG Single Rank DIMM Kingston 512ERSC3
KVR400D2D8R3/2G 2GB DDR2 PC2-3200 400MHz ECC REG Dual Rank DIMM Kingston 512ERDC3
KVR400D2D4R3/4G 4GB DDR2 PC2-3200 400MHz ECC REG Dual Rank DIMM Kingston 514ERDC3
KVR400D2S8R3K2/2G 2GB Kit of 2 1GB DDR2 PC2-3200 400MHz ECC REG Single Rank DIMM Kingston 511ERSC3-2
KVR400D2D8R3K2/4G 4GB Kit of 2 2GB DDR2 PC2-3200 400MHz ECC REG Dual Rank DIMM Kingston 512ERDC3-2
KVR400D2S4R3K2/4G 4GB Kit of 2 2GB DDR2 PC2-3200 400MHz ECC REG Single Rank DIMM Kingston 512ERSC3-2
KVR400D2D4R3K2/8G 8GB Kit of 2 4GB DDR2 PC2-3200 400MHz ECC REG Dual Rank DIMM Kingston 514ERDC3-2
KVR533D2S8R4/1G 1GB DDR2 PC2-4200 533MHz ECC REG Single Rank DIMM Kingston 521ERSC4
KVR667D2S8P5/1G 1GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 531ERPSC5
KVR667D2D8P5/2G 2GB DDR2 PC2-5300 667MHz ECC REG Parity Dual Rank DIMM Kingston 532ERPDC5
KVR667D2S4P5/2G 2GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 532ERPSC5
KVR667D2D4P5/4G 4GB DDR2 PC2-5300 667MHz ECC REG Parity Dual Rank DIMM Kingston 534ERPDC5
KVR667D2D4P5/8G 8GB DDR2 PC2-5300 667MHz ECC REG Parity Dual Rank DIMM Kingston 538ERPDC5
KVR667D2D8P5K2/4G 4GB Kit of 2 2GB DDR2 PC2-5300 667MHz ECC REG Parity Dual Rank DIMM Kingston 532ERPDC5-2
KVR667D2S8P5K2/2G 2GB Kit of 2 1GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 531ERPSC5-2
KVR667D2S4P5K2/4G 4GB Kit of 2 2GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 532ERPSC5-2
KVR667D2D4P5K2/8G 8GB Kit of 2 4GB DDR2 PC2-5300 667MHz ECC REG Parity Dual Rank DIMM Kingston 534ERPDC5-2
KVR667D2D4P5K2/16G 16GB Kit of 2 8GB DDR2 PC2-5300 667MHz ECC REG Parity Dual Rank DIMM Kingston 538ERPDC5-2
KVR800D2D8P6/2G 2GB DDR2 PC2-6400 800MHz ECC REG Parity Dual Rank DIMM Kingston 542ERPDC6
KVR800D2S4P6/2G 2GB DDR2 PC2-6400 800MHz ECC REG Parity Single Rank DIMM Kingston 542ERPSC6
KVR800D2D4P6/4G 4GB DDR2 PC2-6400 800MHz ECC REG Parity Dual Rank DIMM Kingston 544ERPDC6
KVR800D2D8P6K2/4G 4GB Kit of 2 2GB DDR2 PC2-6400 800MHz ECC REG Parity Dual Rank DIMM Kingston 542ERPDC6-2
KVR800D2S4P6K2/4G 4GB Kit of 2 2GB DDR2 PC2-6400 800MHz ECC REG Parity Single Rank DIMM Kingston 542ERPSC6-2
KVR800D2D4P6K2/8G 8GB Kit of 2 4GB DDR2 PC2-6400 800MHz ECC REG Parity Dual Rank DIMM Kingston 544ERPDC6-2
CT725367 8GB Kit of 2 4GB DDR2 PC2-5300 667MHz ECC REG Dual Rank DIMM Crucial 534ERDC5-2