Best graphics card for a 400w Power Supply?

System ModelLENOVO IdeaCentre K300 Lenovo Product
Windows 7 Home Premium (x64) Service Pack 1 (build 7601)
Install Language: English (United States)
System Locale: English (United States)
Installed: 10/6/2012 5:37:21 AM
System Serial Number: ES07025933
Chassis Serial Number: ES07025933
Enclosure Type: Desktop
Processor a Main Circuit Board b
3.20 gigahertz Intel Pentium Dual-Core
64 kilobyte primary memory cache
2048 kilobyte secondary memory cache
64-bit ready
Multi-core (2 total)
Not hyper-threaded
Board: LENOVO Serial Number: ES07025933
Bus Clock: 200 megahertz
BIOS: LENOVO 58KT36AUS 20091014
Drives Memory Modules c,d
973.18 Gigabytes Usable Hard Drive Capacity
939.02 Gigabytes Hard Drive Free Space

Optiarc DVD RW AD-7250H ATA Device [Optical drive]

Hitachi HDS721010CLA332 [Hard drive] (1000.20 GB) -- drive 0, s/n JP6940HZ0PKX7F, rev JP4OA3FE, SMART Status: Healthy 4062 Megabytes Usable Installed Memory

Slot 'DIMM0' has 2048 MB (serial number SerNum00)
Slot 'DIMM2' has 2048 MB (serial number SerNum02)
Local Drive Volumes

c: (NTFS on drive 0) 973.18 GB 939.02 GB free
Microsoft Shared Fax Driver on SHRFAX:
Microsoft XPS Document Writer on XPSPort:
Controllers Display
ATA Channel 0 [Controller]
ATA Channel 1 [Controller]
ATA Channel 2 [Controller]
ATA Channel 3 [Controller]
ATA Channel 4 [Controller]
ATA Channel 5 [Controller]
Standard AHCI 1.0 Serial ATA Controller Intel(R) G45/G43 Express Chipset [Display adapter]
Lenovo LEN L2060wA [Monitor] (19.9"vis, s/n 33604A3651012, September 2010)
Bus Adapters Multimedia
Intel(R) ICH10 Family USB Enhanced Host Controller - 3A3A
Intel(R) ICH10 Family USB Enhanced Host Controller - 3A3C
Intel(R) ICH10 Family USB Universal Host Controller - 3A34
Intel(R) ICH10 Family USB Universal Host Controller - 3A35
Intel(R) ICH10 Family USB Universal Host Controller - 3A36
Intel(R) ICH10 Family USB Universal Host Controller - 3A37
Intel(R) ICH10 Family USB Universal Host Controller - 3A38
Intel(R) ICH10 Family USB Universal Host Controller - 3A39 Realtek High Definition Audio

Communications Other Devices
Microsoft 6to4 Adapter
Microsoft ISATAP Adapter
↑ Realtek PCIe FE Family Controller
Teredo Tunneling Pseudo-Interfac
HID-compliant consumer control device (2x)
HID-compliant device (7x)
USB Input Device (5x)
HID Keyboard Device
HID-compliant mouse (2x)
Microsoft Wireless Router Module
USB Composite Device (3x)
USB Mass Storage Device
USB Root Hub (8
I waht to up grade to better graphic card and psu Help if you can.
2 answers Last reply
More about graphics card 400w power supply
  1. Need to know make/model of PSU. Or at least the nameplate amp rating for the +12V rail(s). That will determine if you can use a card that requires more power than the 75W provided by the PCIe slot itself.
  2. Check if the power supply is 280W or better. Is your computer on this sheet? http://shop.lenovo.com/ISS_Static/WW/AG/merchandising/US/PDFs/kseries_techspecs_110909.pdf

    If it is 280W, your best bet is probably a HD 7750. Users with 250-300W power supplies seem to use this video for light gaming. If you want more performance, you would need at least a good quality 450-550W power supply....allows you to use a moderate gaming card like a HD 7850, GTX 660 or higher.

    Dave
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