The Dell PowerVault nx1950 uses DDR2 DIMM ECC Fully Buffered 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.

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Memory Type DDR2 DIMM ECC Fully Buffered PC2-5300 667MHz
Base Memory 4GB (Removable)
Upgrade Slots 8 Socket(s)
Maximum Memory 8GB
Maximum Module Size 1GB
CPU & Chipset Intel Xeon / Intel 5000P
Bus Architecture (N/A)
Notes Important: Per Dell, modules must be installed in pairs of two, four, or eight. Quantum supports this system with kits of two Fully Buffered DIMMs. Memory sparing and memory mirroring require eight modules (four kits of two).
Part Number 531EFC7
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$15.99
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Part Number 532EFC5-2
667MHz 240pin CL5 Fully Buffered ECC
In Stock
$15.99
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Part Number 53.5EFC7
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$24.99
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Part Number 531EFC7H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$24.99
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Part Number 532EFC5-2H
667MHz 240pin CL5 Fully Buffered ECC
In Stock
$24.99
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Part Number 531EFC7-2
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$30.99
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Part Number 53.5EFC7H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$39.99
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Part Number 53.2EFC7
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$46.99
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Part Number 53.5EFC7-2
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$49.99
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Part Number 531EFC7-2H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$49.99
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Part Number 531EFC7-4
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$61.99
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Part Number 53.2EFC7H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$74.99
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Part Number 53.5EFC7-2H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$79.99
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Part Number 53.2EFC7-2
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$92.99
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Part Number 53.5EFC7-4
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$99.99
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Part Number 531EFC7-4H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$99.99
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Part Number 53.2EFC7-2H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$149.99
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Part Number 53.5EFC7-4H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$159.99
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Part Number 532EFC5-2
667MHz 240pin CL5 Fully Buffered ECC
In Stock
$15.99
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Part Number 532EFC5-2H
667MHz 240pin CL5 Fully Buffered ECC
In Stock
$24.99
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Part Number 531EFC7-4
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$61.99
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Part Number 531EFC7-4H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$99.99
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Part Number 531EFC7-2
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$30.99
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Part Number 531EFC7-2H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$49.99
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Part Number 53.5EFC7-4
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$99.99
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Part Number 53.5EFC7-4H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$159.99
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Part Number 531EFC7
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$15.99
View Product
Part Number 531EFC7H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$24.99
View Product
Part Number 53.5EFC7-2
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$49.99
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Part Number 53.5EFC7-2H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$79.99
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Part Number 53.5EFC7
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$24.99
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Part Number 53.5EFC7H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$39.99
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Part Number 53.2EFC7-2
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$92.99
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Part Number 53.2EFC7-2H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$149.99
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Part Number 53.2EFC7
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$46.99
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Part Number 53.2EFC7H
667MHz 240pin CL7 Fully Buffered ECC
In Stock
$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
KTD-WS667/2G 2GB Kit of 2 1GB DDR2 PC2-5300 667MHz ECC Fully Buffered DIMM Kingston 531EFC7-2
CT970127 4GB Kit of 2 2GB DDR2 PC2-5300 667MHz ECC Fully Buffered DIMM Crucial 532EFC5-2