X1900 XTX power requirements

[nsboston103]

Is anyone running a x1900xtx with less than the 450 watt psu recommened? I understand this is for a "fully loaded system" Im assumming the fully loaded system thing revoles around how many hard drives you have? Any answers would be helpfull.

 

[Vokofpolisiekar]

Fully loaded can mean anything, especially since ATi doesn't define fully loaded. Can be fully loaded petrol tank for all we know.

I'm running on 430W PSU - good brand ofcourse - using one SATA 80Gig, P4 640, 3x 80mm fans and 1x 120mm, Audigy2, plus 2gig DDR2 530 and one DVD writer. Modest, I know....

 

[RichPLS]

I ran an 3 year old Antec TruePowerII 430 watt PSU with this rig for a few months until I upgraded to the Antec TPII 550 watt PSU...

Lian Li PC-60plus Black Aluminum Case (w/TR-3B Black Thermometer/Fan Controller 3.5” bay)
Opteron 175 (2x 2.42 GHz, 2MB cache, Socket 939, .09 micron, E6 stepping, OSA175DAA6CD)
ThermalTake BigWaterSE 12cm liquid cooling system complete kit
Asus A8R-MVP Motherboard (ATI Radeon Xpress 200 CrossFire, socket 939, SATA2)
HiS X1800XT Graphics Card (625 MHz/700 MHz OC core/1500 Mhz/1600 MHz OC mem, Dual DL-DVI VIVO 512 MB PCIe)
ATI TV Theater 550 PRO Tuner (PCI TV and FM Tuner)
4x 512MB Corsair Micro Xpert DDR RAM (2-3-3-8-2T (spd 2-2-2-5-1T) TwinXP 1024-3200XL)
2x 74gig Western Digital Raptor Hard Drives RAID-0 (WD740GD RAID0 150gig Boot Drive)
2x 250gig Western Digital Caviar SE16 Hard Drives (WD2500KS storage and data)
Plextor 716AL Black 16x DVD/CD Burner (IDE slot loading type)
Antec TP-II 550 Power Supply (550 Watt ATX12V v2.0 PSU)
Dell 2405FPW 24-inch LCD Monitor (UltraSharp Wide Aspect Flat Panel Display)
Logitech G-15 Gaming Keyboard
Logitech Cordless Optical TrackMan
Case Fans (SilenX 120mm intake, Adda 120mm exhaust blower, SilenX 92mm exhaust and SilenX 80mm Fan)

Measurements and Analysis of Power Draw consumed from this Opteron PC using Kill-a-Watt meter.
Based on a brief quick test, and several follow-ups, I preclude that my AMD Opteron rig when over-clocked at 2420MHz from 2200MHz consumes:
≤ 200 Watts at Idle
≤ 250 Watts during Boot Up
and
≤ 350 Watts at maximum load when benchmarking using 3DMark06 (at 75% efficiency, my PC is requiring ≈ 265 watts of true power from my power supply)
Note: This is only the PC measured at outlet from the Power Supply; my LCD Monitor was not measured per these results.

 

[Vokofpolisiekar]

Right on

Looking at your system, I'd say that it is very close to a fully loaded system, and it still runs on 430W(previously)!