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RamCity guarantees 100% that all modules below are compatible with the ASUS/ASmobile K Series Motherboard KFSN5-D

RamCity 8GB CL5 ECC Registered 240-pin DIMM Kit (2x4GB)

Part #. 2xBVR • DDR2-667 / PC2-5300 • CL5 • ECC • Dual Rank • Registered • 1.8V • 36-chip 256M x4 • more info

Buy new: $267.99 $208.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston ValueRam 8GB CL6 ECC Registered 240-pin DIMM Kit (2x4GB)

Part #. KVR800D2D4P6K2/8G • DDR2-800 / PC2-6400 • CL6 • ECC • Dual Rank • Registered • 1.8V • more info

Buy new: $594.99 $464.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 8GB CL4 ECC Registered 240-pin DIMM Kit (2x4GB)

Part #. 2xBXL • DDR2-533 / PC2-4200 • CL4 • ECC • Dual Rank • Registered • 1.8V • 36-chip 256M x4 • more info

Buy new: $485.99 $379.99

3 in Stock Free Shipping Guaranteed Compatible

Kingston ValueRam 8GB CL5 ECC Registered 240-pin DIMM Kit (2x4GB)

Part #. KVR667D2D4P5K2/8G • DDR2-667 / PC2-5300 • CL5 • ECC • Dual Rank • Registered • 1.8V • more info

Buy new: $594.99 $464.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston ValueRam 4GB CL6 ECC Registered 240-pin DIMM Kit (2x2GB)

Part #. KVR800D2S4P6K2/4G • DDR2-800 / PC2-6400 • CL6 • ECC • Single Rank • Registered • 1.8V • more info

Buy new: $302.99 $236.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston ValueRam 4GB CL6 ECC Registered 240-pin DIMM Kit (2x2GB)

Part #. KVR800D2D8P6K2/4G • DDR2-800 / PC2-6400 • CL6 • ECC • Dual Rank • Registered • 1.8V • more info

Buy new: $249.99 $194.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston ValueRam 4GB CL6 ECC Registered 240-pin DIMM

Part #. KVR800D2D4P6/4G • DDR2-800 / PC2-6400 • CL6 • ECC • Dual Rank • Registered • 1.8V • more info

Buy new: $307.99 $240.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 4GB CL5 ECC Registered 240-pin DIMM

Part #. BVR • DDR2-667 / PC2-5300 • CL5 • ECC • Dual Rank • Registered • 1.8V • 36-chip 256M x4 • more info

Buy new: $165.99 $129.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston ValueRam 4GB CL5 ECC Registered 240-pin DIMM

Part #. KVR667D2D4P5/4G • DDR2-667 / PC2-5300 • CL5 • ECC • Dual Rank • Registered • 1.8V • more info

Buy new: $304.99 $237.99

8 in Stock Free Shipping Guaranteed Compatible

RamCity 4GB CL4 ECC Registered 240-pin DIMM

Part #. BXL • DDR2-533 / PC2-4200 • CL4 • ECC • Dual Rank • Registered • 1.8V • 36-chip 256M x4 • more info

Buy new: $265.99 $207.99

6 in Stock Free Shipping Guaranteed Compatible

We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.

Need some help installing your upgrade? See our guides and videos.

System Specifications

Comments:

MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel Mode.
Kingston offers "K2" kit part numbers for Dual Channel Mode.
Mixing DDR2-533 Registered DIMMs with DDR2-667/800 Registered with Parity DIMMs is not recommended.
Mixing x4 and x8 modules is allowed, however not within the same bank.
There is a limit of eight total memory ranks installed in the first two banks of each processor using DDR2-667 and DDR2-800.
If this limitation is exceeded, the memory will clock down to 533MHz.
Only systems with AMD's Opteron Socket F 45-nm CPU can use the DDR2-800 part numbers.

Standard Memory:

0MB (Removable)

Maximum Memory:

64GB with 2 CPUs installed

Expansion:

16 Sockets Total 8 Sockets (4 banks of 2) per CPU

CPU/Chipset:

AMD Opteron (Socket F) Nvidia nForce 3600 Professional

Bus Architecture:

PCI; PCI Express; PCI-X; SSD - SATA 2.5-inch; USB

Upgrade Path:

Virtually any configuration up to 64GB can be reached using 512MB, 1, 2, and 4GB modules IN PAIRS or kits, with two processors installed.

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RamCity guarantees 100% that all modules below are compatible with the ASUS/ASmobile K Series Motherboard KFSN5-D