Memory not sure if it will work.

I have a question im not sure if it's the same im running under dimm memory Ddd2 800/667/533/400 4 dimms ddr2 1.8v. im not sure if it's the same kind of memory i would buy 2gb stick insaid of 1gb stick. here are the 2 sites of the memory. here are my specs

System Information

* ECC: FALSE
* Form Factor: DIMM
* Maximum Memory: 4096
* Memory Comments: PC2-4200/5300/6400 DDR2 SDRAM DIMMs. Supports Dual Channel DDR2.
* Module Type: PC2-6400
* Module Type: PC2-4200
* Module Type: PC2-5300
* Registered: NONE
* Registered: Buffered
* Standard Memory: 0
* System Type: Motherboard
* Total Memory Slots: 4



* Standard 256M X 64 Non-ECC 800MHz 240-pin Unbuffered DIMM (DDR2, 1.8V, CL5)
* Clock Cycle Time (tCK) CL=5 2.5ns (min.) / 8ns (max.)
* Row Cycle Time (tRC) 60ns (min.)
* Refresh to Active/Refresh Command Time (tRFC) 127.5ns
* Row Active Time (tRAS) 38ns (min.) / 70,000ns (max.)
* Single Power Supply of +1.8V (+/- .1V)
* Power 1.975W (operating)
* UL Rating 94 V - 0
General Information

Manufacturer


Kingston

Manufacturer Part Number


KVR800D2N5/2G

Product Name


Desktop 2GB 800MHz DDR2 Non-ECC CL5 DIMM Memory

UPC Code


740617122497

http://salestores.com/kingst76.html



* Type: DDR2
* Size: 1GB
* Pin Count: 240
* Speed: PC2-5300 667Mhz
* ECC: No
* Registered: No
* Voltage: 1.8V
* CAS Latency: 5
* Component Configuration: 128Meg x 64

http://www.4allmemory.com/product/detail/1gb-ddr2667-pc...