The ASUS/ASmobile RS Server RS161-E4/PA2 uses DDR2 DIMM ECC REG PC2-5300 667MHz, 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 PC2-5300 667MHz, REG PC2-5300 667MHz
Base Memory 0MB (Removable)
Upgrade Slots 4 Socket(s) per CPU 8 Socket(s) Total
Maximum Memory 32GB
Maximum Module Size 8GB
CPU & Chipset AMD Opteron (Socket F) / Nvidia nForce 2200 Professional
Bus Architecture PCI Express; SSD - SATA 3.5-inch; USB 2.0/3.x Type-A
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 DDR2-533 Registered DIMMs with DDR2-667 Registered with Parity DIMMs is not recommended. Mixing x4 and x8 modules is allowed, however not within the same bank.
Manufacturer Part Numbers
  • N/A
Part Number 532ERPC7
667MHz 240pin CL7 Registered Parity 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 532ERPC7H
667MHz 240pin CL7 Registered Parity 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 53.2RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$27.99
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Part Number 53.2ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$30.99
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Part Number 532ERPC7-2
667MHz 240pin CL7 Registered Parity 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 531RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$43.99
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Part Number 53.2RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$44.99
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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 53.5ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$46.99
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Part Number 53.5RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$46.99
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Part Number 53.2ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$49.99
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Part Number 532ERPC7-2H
667MHz 240pin CL7 Registered Parity 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
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Part Number 53.2RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$55.99
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Part Number 531ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$58.99
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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 53.2ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$61.99
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Part Number 532ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$61.99
View Product
Part Number 534ERPC7
667MHz 240pin CL7 Registered Parity 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 532RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$66.99
View Product
Part Number 531RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$69.99
View Product
Part Number 532ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$72.99
View Product
Part Number 53.5ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$74.99
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Part Number 53.5RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$74.99
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Part Number 531RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$86.99
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Part Number 53.2RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$89.99
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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 53.5ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$92.99
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Part Number 53.5RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$92.99
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Part Number SSD/60G
Call to Order
$92.99
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Part Number 531ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$94.99
View Product
Part Number 531ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$94.99
View Product
Part Number 53.2ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$99.99
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Part Number 532ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$99.99
View Product
Part Number 534ERPC7H
667MHz 240pin CL7 Registered Parity 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 532RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$107.99
View Product
Part Number 531ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$117.99
View Product
Part Number 534ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$123.99
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Part Number 534ERPDC5-2
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$123.99
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Part Number SSD/80G
Call to Order
$123.99
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Part Number 532RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$133.99
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Part Number 531RPC7-2H
667MHz 240pin CL7 Registered Parity
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 53.5ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$149.99
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Part Number 53.5RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$149.99
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Part Number SSD/60GH
Call to Order
$149.99
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Part Number 531RPC7-4
667MHz 240pin CL7 Registered Parity
In Stock
$173.99
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Part Number 53.5ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$185.99
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Part Number 53.5RPC7-4
667MHz 240pin CL7 Registered Parity
In Stock
$185.99
View Product
Part Number 531ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$189.99
View Product
Part Number 534ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$199.99
View Product
Part Number 534ERPDC5-2H
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$199.99
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Part Number SSD/80GH
Call to Order
$199.99
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Part Number 532RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$214.99
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Part Number 531ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$235.99
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Part Number 534ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$247.99
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Part Number 532RPC7-4
667MHz 240pin CL7 Registered Parity
In Stock
$266.99
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Part Number 531RPC7-4H
667MHz 240pin CL7 Registered Parity
In Stock
$279.99
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Part Number 53.5ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$299.99
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Part Number 53.5RPC7-4H
667MHz 240pin CL7 Registered Parity
In Stock
$299.99
View Product
Part Number 538RPC7
667MHz 240pin CL7 Registered Parity
Call to Order
$309.99
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Part Number 534RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$325.99
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Part Number SSD/240G
Call to Order
$371.99
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Part Number 531ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$379.99
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Part Number 534ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$399.99
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Part Number 532RPC7-4H
667MHz 240pin CL7 Registered Parity
In Stock
$429.99
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Part Number 538ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$464.99
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Part Number 538RPC7H
667MHz 240pin CL7 Registered Parity
Call to Order
$499.99
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Part Number 534RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$524.99
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Part Number SSD/240GH
Call to Order
$599.99
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Part Number 538RPC7-2
667MHz 240pin CL7 Registered Parity
Call to Order
$619.99
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Part Number SSD/400G
Call to Order
$619.99
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Part Number 534RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$650.99
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Part Number 538ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$749.99
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Part Number 538ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$929.99
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Part Number 538RPC7-2H
667MHz 240pin CL7 Registered Parity
Call to Order
$999.99
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Part Number SSD/400GH
Call to Order
$999.99
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Part Number 534RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$1049.99
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Part Number 538RPC7-4
667MHz 240pin CL7 Registered Parity
Call to Order
$1239.99
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Part Number 534RPC7-4
667MHz 240pin CL7 Registered Parity
In Stock
$1301.99
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Part Number 538ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$1499.99
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Part Number 538ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$1859.99
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Part Number 538RPC7-4H
667MHz 240pin CL7 Registered Parity
Call to Order
$1999.99
View Product
Part Number 534RPC7-4H
667MHz 240pin CL7 Registered Parity
In Stock
$2099.99
View Product
Part Number 538ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$2999.99
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Part Number 538RPC7-4
667MHz 240pin CL7 Registered Parity
Call to Order
$1239.99
View Product
Part Number 538ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$1859.99
View Product
Part Number 538RPC7-4H
667MHz 240pin CL7 Registered Parity
Call to Order
$1999.99
View Product
Part Number 538ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$2999.99
View Product
Part Number 534ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$247.99
View Product
Part Number 534ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$399.99
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Part Number 538RPC7-2
667MHz 240pin CL7 Registered Parity
Call to Order
$619.99
View Product
Part Number 538ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$929.99
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Part Number 538RPC7-2H
667MHz 240pin CL7 Registered Parity
Call to Order
$999.99
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Part Number 534RPC7-4
667MHz 240pin CL7 Registered Parity
In Stock
$1301.99
View Product
Part Number 538ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$1499.99
View Product
Part Number 534RPC7-4H
667MHz 240pin CL7 Registered Parity
In Stock
$2099.99
View Product
Part Number 532ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$61.99
View Product
Part Number 532ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$99.99
View Product
Part Number 534ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$123.99
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Part Number 534ERPDC5-2
667MHz 240pin CL5 Registered Parity Dual Rank ECC
In Stock
$123.99
View Product
Part Number 534ERPC7-2H
667MHz 240pin CL7 Registered Parity 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 532RPC7-4
667MHz 240pin CL7 Registered Parity
In Stock
$266.99
View Product
Part Number 538RPC7
667MHz 240pin CL7 Registered Parity
Call to Order
$309.99
View Product
Part Number 532RPC7-4H
667MHz 240pin CL7 Registered Parity
In Stock
$429.99
View Product
Part Number 538ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$464.99
View Product
Part Number 538RPC7H
667MHz 240pin CL7 Registered Parity
Call to Order
$499.99
View Product
Part Number 534RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$650.99
View Product
Part Number 538ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$749.99
View Product
Part Number 534RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$1049.99
View Product
Part Number 532ERPC7-2
667MHz 240pin CL7 Registered Parity 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 532ERPC7-2H
667MHz 240pin CL7 Registered Parity 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 534ERPC7
667MHz 240pin CL7 Registered Parity 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 532ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$89.99
View Product
Part Number 534ERPC7H
667MHz 240pin CL7 Registered Parity 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 532RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$133.99
View Product
Part Number 532ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$144.99
View Product
Part Number 531RPC7-4
667MHz 240pin CL7 Registered Parity
In Stock
$173.99
View Product
Part Number 532RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$214.99
View Product
Part Number 531ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$235.99
View Product
Part Number 531RPC7-4H
667MHz 240pin CL7 Registered Parity
In Stock
$279.99
View Product
Part Number 534RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$325.99
View Product
Part Number 531ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$379.99
View Product
Part Number 534RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$524.99
View Product
Part Number 532ERPC7
667MHz 240pin CL7 Registered Parity 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 532ERPC7H
667MHz 240pin CL7 Registered Parity 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 532ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$44.99
View Product
Part Number 532RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$66.99
View Product
Part Number 532ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$72.99
View Product
Part Number 531RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$86.99
View Product
Part Number 532RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$107.99
View Product
Part Number 531ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$117.99
View Product
Part Number 531RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$139.99
View Product
Part Number 53.5ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$185.99
View Product
Part Number 53.5RPC7-4
667MHz 240pin CL7 Registered Parity
In Stock
$185.99
View Product
Part Number 531ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$189.99
View Product
Part Number 53.5ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$299.99
View Product
Part Number 53.5RPC7-4H
667MHz 240pin CL7 Registered Parity
In Stock
$299.99
View Product
Part Number 531RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$43.99
View Product
Part Number 531ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$58.99
View Product
Part Number 531ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$58.99
View Product
Part Number 531RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$69.99
View Product
Part Number 53.5ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$92.99
View Product
Part Number 53.5RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$92.99
View Product
Part Number 531ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$94.99
View Product
Part Number 531ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$94.99
View Product
Part Number 53.5ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$149.99
View Product
Part Number 53.5RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$149.99
View Product
Part Number 53.5ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$46.99
View Product
Part Number 53.5RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$46.99
View Product
Part Number 53.2RPC7-2
667MHz 240pin CL7 Registered Parity
In Stock
$55.99
View Product
Part Number 53.2ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$61.99
View Product
Part Number 53.5ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$74.99
View Product
Part Number 53.5RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$74.99
View Product
Part Number 53.2RPC7-2H
667MHz 240pin CL7 Registered Parity
In Stock
$89.99
View Product
Part Number 53.2ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$99.99
View Product
Part Number 53.2RPC7
667MHz 240pin CL7 Registered Parity
In Stock
$27.99
View Product
Part Number 53.2ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$30.99
View Product
Part Number 53.2RPC7H
667MHz 240pin CL7 Registered Parity
In Stock
$44.99
View Product
Part Number 53.2ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$49.99
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
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
KVR667D2D4P5K2/8G 8GB Kit of 2 4GB DDR2 PC2-5300 667MHz ECC REG Parity Dual Rank DIMM Kingston 534ERPDC5-2
KVR667D2D8P5K2/4G 4GB Kit of 2 2GB DDR2 PC2-5300 667MHz ECC REG Parity Dual Rank DIMM Kingston 532ERPDC5-2
KVR667D2S4P5K2/4G 4GB Kit of 2 2GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 532ERPSC5-2
SKC300S37A/480G 80GB Solid State Drive Kingston SSD/80G
SKC300S3B7A/480G 480GB Kit of 2 240GB Solid State Drive Kingston SSD/240G-2
SKC300S37A/240G 240GB Solid State Drive Kingston SSD/240G
SE50S37/480G 80GB Solid State Drive Kingston SSD/80G
SE100S37/400G 400GB Solid State Drive Kingston SSD/400G
SE50S37/240G 240GB Solid State Drive Kingston SSD/240G
SKC310S37A/960G 60GB Solid State Drive Kingston SSD/60G
SKC310S3B7A/960G 960GB SSDNow KC310 SSD SATA 3 2.5 (7mm height) Upgrade Bundle Kit Bundle Kit,KC310 Series,SATA3 (6Gbps), SSD 2.5-inch 7mm Kingston