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Pieces in Kit

1 (10)
2 (7)

Size

1GB (3)
2GB (5)
4GB (6)
8GB (3)

Brand

Kingston (9)
RamCity (8)

Speed

DDR2-533 / PC2-4200 (5)
DDR2-667 / PC2-5300 (12)

Form Factor

240-pin DIMM (17)

CAS Latency

CL4 (5)
CL5 (12)

Series

ValueRam (9)

Voltage

1.8V (17)

ECC

ECC (17)

Registered / Buffered

Registered (17)

Ranks

Dual Rank (11)
Single Rank (6)

RamCity guarantees 100% that all modules below are compatible with the ASUS/ASmobile K Series Motherboard KFN4-D16/1U

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

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

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

RamCity 4GB CL5 ECC Registered 240-pin DIMM Kit (2x2GB)

Part #. 2xAEZ • DDR2-667 / PC2-5300 • CL5 • ECC • Dual Rank • Registered • 1.8V • 36-chip 128M x4 • more info

Buy new: $119.99 $93.99

3 in Stock Free Shipping Guaranteed Compatible

Kingston ValueRam 4GB CL5 ECC Registered 240-pin DIMM Kit (2x2GB)

Part #. KVR667D2S4P5K2/4G • DDR2-667 / PC2-5300 • CL5 • ECC • Single Rank • Registered • 1.8V • more info

Buy new: $329.99 $257.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston ValueRam 4GB CL5 ECC Registered 240-pin DIMM Kit (2x2GB)

Part #. KVR667D2D8P5K2/4G • DDR2-667 / PC2-5300 • CL5 • ECC • Dual Rank • Registered • 1.8V • more info

Buy new: $254.99 $198.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 2GB CL5 ECC Registered 240-pin DIMM

Part #. AEZ • DDR2-667 / PC2-5300 • CL5 • ECC • Dual Rank • Registered • 1.8V • 36-chip 128M x4 • more info

Buy new: $107.99 $83.99

7 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 Registered with Parity DIMMs is not recommended.
Mixing x4 and x8 modules is allowed, however not within the same bank.
To achieve 64GB 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.

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 2200 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 KFN4-D16/1U