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RamCity guarantees 100% that all modules below are compatible with the HP/Compaq Business Desktop dc5800 SFF/Microtower

RamCity 4GB CL6 240-pin DIMM

RamCity 4GB CL6 240-pin DIMM

Part #. CJH • DDR2-800 / PC2-6400 • CL6 • 1.8V • 16-chip 256M x8 • more info

Buy new: $219.99 $171.99

15 in Stock Free Shipping Guaranteed Compatible

RamCity 2GB CL6 240-pin DIMM

RamCity 2GB CL6 240-pin DIMM

Part #. CCK • DDR2-800 / PC2-6400 • CL6 • 1.8V • 16-chip 128M x8 • more info

Buy new: $109.99 $85.99

12 in Stock Free Shipping Guaranteed Compatible

Kingston 2GB 240-pin DIMM

Kingston 2GB 240-pin DIMM

Part #. KTH-XW4400C6/2G • DDR2-800 / PC2-6400 • 1.8V • more info

Buy new: $126.99 $98.99

45 in Stock Free Shipping Guaranteed Compatible

RamCity 1GB CL6 240-pin DIMM

RamCity 1GB CL6 240-pin DIMM

Part #. BUR • DDR2-800 / PC2-6400 • CL6 • 1.8V • 16-chip 64M x8 • more info

Buy new: $92.99 $72.99

8 in Stock Free Shipping Guaranteed Compatible

Kingston 1GB 240-pin DIMM

Kingston 1GB 240-pin DIMM

Part #. KTH-XW4400C6/1G • DDR2-800 / PC2-6400 • 1.8V • more info

Buy new: $96.99 $75.99

12 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 MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of Dual Channel Mode.
If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).
A 64-bit operating system is required to utilize more than 4GB of memory.

Standard Memory:

1GB (Removable) or
2GB (Removable) or
3GB (Removable) or
4GB (Removable) or
6GB (Removable) or
8GB (Removable)

Maximum Memory:

4GB using a 32-bit Operating System
16GB using a 64-bit Operating System

Expansion:

4 Sockets

CPU/Chipset:

Intel Core 2 Quad Intel Q33
Intel Core 2 Duo Intel Q33

Bus Architecture:

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

Mfr's System P/N's:

A490UA; AJ408AV; AJ411AV; AK818AW; AK819AW; AK820AW; AL510US; AL511US; AL512US; AL915US; AL916US; AL923US; AL924US; AL953US; AL954US; AL955US; AL956US; AL957US; AL971US; AL972US; AL976US; AL990US; AM003US; AM019US; AM037US; AM038US; AM050US; AM051US; AM063US; AM064US; AM065US; AM075US; AM076US; AM077US; AM078US; AM079US; AM080US; AM090US; AM099US; AM100US; AM104US; AM105US; AM107US; AM108US; AM109US; AM110US; AM111US; AM118US; AM122US; AM136US; AM139US; AM153US; AM154US; AM179US; AM208US; AM214US; AM530AW; AM531AW; AM532AW; AM551US; AM621US; AM622US; AM646US; AM647US; AM648US; AM649US; AM682US; AM683US; AM684US; AM687US; AM688US; AM689US; AM690US; AM731US; AM732US; AM750US; AM764US; AM821US; AM946US; AM948US; AM982US; AM984US; AM985US; AM986US; AM987US; AM989US; AM996US; AM997US; AN000US; AN001US; AN017US; AN021US; AN023US; AN049US; AN101US; AN102US; AN111US; AN112US; AN113US; AN114US; AN147US; AN174US; AN175US; AN185US; AN246US; AN346US; AN352US; AN353US; AN354US; AN362US; AN369US; A

Upgrade Path:

Virtually any configuration up to 16GB can be reached using any combination of 1, 2 and 4GB modules.