PSU - Enough grunt?

Caporegime
Joined
16 May 2003
Posts
25,368
Location
::1
Currently putting together a spec to replace this (horribly aged) desktop machine, and came up with:
Asus A8N-SLI Premium
X2 3800+ (or 4200+)
XTX 6800 GS (or 7900 GT)

(I'm well aware there's a fair gap between the two graphics cards :p)

To keep the cost down, I was planning on using the Antec Truepower 430W (with converters for PCI-E power, and probably some Molex splitters) I've already got. The only issue being whether it would have enough juice to keep all of that kit running, given it would be in with:

NEC 4551A/2500A DVD-RWs
WD1200JB (WD, 120GB, 8MB cache) + ST3200822A (Seagate, 200GB, 8MB cache)
USB printer/scanner (Canon Pixma iP5000/LiDE 80)

Reviews seem to think that the 7900s use less power (than the 7800s) - but I've not seen any comparing the 6800 (GS) to the 7900. :o

Thoughts?
 
Soldato
Joined
5 Jul 2005
Posts
17,994
Location
Brighton
Get the X2 3800+ and the 7900GT (512mb X1800XT would be my choice, or the £176 7800GT though).

PSU should be fine, i'm running a 3200 @ 2.5ghz 1.55v, 2x512mb ram, 160GB HD, 80GB HD, OCed 7800GT, dvd writer etc. on a 450w aerocool turbine, the antec will be higher quality.
 
Caporegime
OP
Joined
16 May 2003
Posts
25,368
Location
::1
Makes sense - looking at benchmarks there isn't a huge amount in it between the £176 7800 and the 7900 at ~£80 more (not enough to justify the extra to me anyway). So ordered one.

Ta.
 
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