The fan in my aging HP Pavilion is getting loud at regular intervals and I think it's time to replace it. Could someone recommend a quiet and reliable 500w PSU compatible with my system and the new Radeon HD 7750 graphics card that I'll be installing at the same time, preferably not more than £40/50 . Also any advice on further upgrades, like adding more RAM if my processor would handle it, that might keep things running smoothly would be appreciated. Thanks for any help.
HP Pavilion KC975AA a6332
Motherboard
M2N68-LA (Narra3)
Manufacturer: Asus
Form factor: microATX - 24.4 cm (9.6 inches) x 24.4 cm (9.6 inches)
Chipset: NVIDIA GeForce 6150SE nForce 430
Memory sockets: 4 x DDR2Front side bus speeds: 2000MT/s (2.0 GT/s)
Processor socket: AM2+
Expansion Slots:
1 PCI Express x16 slot for graphics card
2 PCI Express x1 slots
1 PCI slot
Processor
AMD Phenom X4 9500
Operating speed: Up to 2.2 GHz
Number of cores: 4
Socket: AM2+
Bus speed: 3600 MHz HT3 (clocked down to 2000 MHz)
Processor upgrade information
Socket type: AM2+
Motherboard supports the following processor upgrades:
Phenom with Quad Core (Agena) technology (AM2+) up to 9600 (up to 95 watt)
Athlon 64 X2 with Dual Core technology X2 up to 5600+ (up to 89 watt)
Athlon 64 less than 4000+
Sempron less than 3800+
Memory
3 GB
Amount: 3 GB
Speed: PC2-5300 MB/sec
Memory upgrade information
Dual channel memory architecture
Four 240-pin DDR2 DIMM sockets
Supported DIMM types:
PC2-5300 (667 MHz)
PC2-6400 (800 MHz)
Non-ECC memory only, unbuffered
supports 2GB DDR2 DIMMs
Supports up to 8 GB on 64 bit PCs
Supports up to 4 GB* on 32 bit PCs
32 bit PCs cannot address a full 4.0 GB of memory.
Video graphics
Radeon HD 7750
Hard drive
320 GB
Size: 320 GB
Interface: SATA
Transfer rating: 3.0 Gb/sec
Rotational Speed: 7200 RPM
Power Supply
300W
HP Pavilion KC975AA a6332
Motherboard
M2N68-LA (Narra3)
Manufacturer: Asus
Form factor: microATX - 24.4 cm (9.6 inches) x 24.4 cm (9.6 inches)
Chipset: NVIDIA GeForce 6150SE nForce 430
Memory sockets: 4 x DDR2Front side bus speeds: 2000MT/s (2.0 GT/s)
Processor socket: AM2+
Expansion Slots:
1 PCI Express x16 slot for graphics card
2 PCI Express x1 slots
1 PCI slot
Processor
AMD Phenom X4 9500
Operating speed: Up to 2.2 GHz
Number of cores: 4
Socket: AM2+
Bus speed: 3600 MHz HT3 (clocked down to 2000 MHz)
Processor upgrade information
Socket type: AM2+
Motherboard supports the following processor upgrades:
Phenom with Quad Core (Agena) technology (AM2+) up to 9600 (up to 95 watt)
Athlon 64 X2 with Dual Core technology X2 up to 5600+ (up to 89 watt)
Athlon 64 less than 4000+
Sempron less than 3800+
Memory
3 GB
Amount: 3 GB
Speed: PC2-5300 MB/sec
Memory upgrade information
Dual channel memory architecture
Four 240-pin DDR2 DIMM sockets
Supported DIMM types:
PC2-5300 (667 MHz)
PC2-6400 (800 MHz)
Non-ECC memory only, unbuffered
supports 2GB DDR2 DIMMs
Supports up to 8 GB on 64 bit PCs
Supports up to 4 GB* on 32 bit PCs
32 bit PCs cannot address a full 4.0 GB of memory.
Video graphics
Radeon HD 7750
Hard drive
320 GB
Size: 320 GB
Interface: SATA
Transfer rating: 3.0 Gb/sec
Rotational Speed: 7200 RPM
Power Supply
300W
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