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RamCity guarantees 100% that all modules below are compatible with the HP/Compaq Pavilion a1000 Series Desktop a1088d

RamCity 1GB CL2.5 184-pin DIMM

Part #. ADB • DDR-333 / PC2700 • CL2.5 • 2.5V • 16-chip 64M x8 • more info

Buy new: $115.99 $90.99

4 in Stock Free Shipping Guaranteed Compatible

Kingston 1GB 184-pin DIMM

Part #. KTH-D530/1G • DDR-400 / PC3200 • 2.5V • more info

Buy new: $160.99 $125.99

4 in Stock Free Shipping Guaranteed Compatible

Kingston 1GB 184-pin DIMM

Part #. KTC-D320/1G • DDR-400 / PC3200 • 2.5V • more info

Buy new: $160.99 $125.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 1GB CL3 184-pin DIMM

Part #. ACZ • DDR-400 / PC3200 • CL3 • 2.5V • 16-chip 64Mx8 • more info

Buy new: $107.99 $83.99

20 in Stock Free Shipping Guaranteed Compatible

RamCity 512MB CL2.5 184-pin DIMM

Part #. ACA • DDR-333 / PC2700 • CL2.5 • 2.5V • 16-chip 32Mx8 • more info

Buy new: $96.99 $75.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston 512MB 184-pin DIMM

Part #. KTH-D530/512S • DDR-400 / PC3200 • 2.5V • 8-chip 64Mx8 • more info

Buy new: $103.99 $80.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston 512MB 184-pin DIMM

Part #. KTC-D320/512 • DDR-333 / PC2700 • 2.5V • 16-chip 32Mx8 • more info

Buy new: $103.99 $80.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 512MB CL3 184-pin DIMM

Part #. CKE • DDR-400 / PC3200 • CL3 • 2.5V • 8-chip 32Mx16 • more info

Buy new: $99.99 $77.99

3 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.
If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).
Systems using the Intel chipset/processors are compatible with either DDR333 or DDR400 memory.
Systems using the nVidia chipset with AMD processors are only compatible with DDR333 memory.

Standard Memory:

256MB (Removable)

Maximum Memory:

2GB on models using nVidia chipset/AMD processors
4GB on models using Intel chipset/processors

Expansion:

4 Sockets using Intel chipset 2 Sockets using nVidia chipset

CPU/Chipset:

Intel Pentium 4 Intel 915P
AMD Athlon XP Nvidia nForce2

Bus Architecture:

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

Mfr's System P/N's:

PW664AA

Upgrade Path:

Virtually any configuration up to 4GB can be reached using 128, 256, 512MB, and 1GB using either DDR333 or DDR400 modules.

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RamCity guarantees 100% that all modules below are compatible with the HP/Compaq Pavilion a1000 Series Desktop a1088d