Tom's Hardware > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > Upgrading video card need advice
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dbrun5   02-17-2009 at 10:14:00 PM

P.C. specs:
MOBO; ASUS M3N78-EM AM2+Geforce 8300
CPU; AMD A64x2 7750 2.7 AM2
MEM; 2 1g cruc bl 12864AA 1066
PSU; Raidmax Hybrid2 RX 530SS

I am thinking about adding a 9800GTX+ ddr3 512mb card

Will the PSU I have work? Should I look at another card? I do not understand the amp rating and the 12V rails.

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o1die   02-17-2009 at 11:32:53 PM
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The 4870 would be a better choice with your raidmax power supply. For the 9800gtx, I recommend a corsair, seasonic, enermax, or pc power and cooling. For example, newegg has a corsair 650w for $99.99 before rebate with 51 amps on a single 12v rail, more than enough for the 9800gtx. Whatever you do, don't buy a cheaper brand power supply just because it claims to have 600-700 watts. Cheaper brands die under load, or may not even post.

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theAnimal   02-18-2009 at 12:43:18 AM
- 0 +

o1die wrote :

The 4870 would be a better choice with your raidmax power supply. For the 9800gtx, I recommend a corsair, seasonic, enermax, or pc power and cooling. For example, newegg has a corsair 650w for $99.99 before rebate with 51 amps on a single 12v rail, more than enough for the 9800gtx. Whatever you do, don't buy a cheaper brand power supply just because it claims to have 600-700 watts. Cheaper brands die under load, or may not even post.



The 4870 uses more power than 9800GTX+. And 650W is overkill.

------------------------------ *How To Ask For New Build Advice*
HAF 922 | HX750
Rampage2Gene | i7 920 D0 | 6GB Gold 1600 | Hyper 212+
Caviar Black 640GB | HD3870
 Reply to theAnimal
theAnimal   02-18-2009 at 12:45:39 AM
- 1 +

dbrun5 wrote :

P.C. specs:
MOBO; ASUS M3N78-EM AM2+Geforce 8300
CPU; AMD A64x2 7750 2.7 AM2
MEM; 2 1g cruc bl 12864AA 1066
PSU; Raidmax Hybrid2 RX 530SS

I am thinking about adding a 9800GTX+ ddr3 512mb card

Will the PSU I have work? Should I look at another card? I do not understand the amp rating and the 12V rails.



The HD4850 performs about the same and is usually cheaper.

The PSU will probably work, but I would highly recommend getting a good quality one instead. Antec Earthwatts 500, Corsair VX550, Seasonic S12II 500.

------------------------------ *How To Ask For New Build Advice*
HAF 922 | HX750
Rampage2Gene | i7 920 D0 | 6GB Gold 1600 | Hyper 212+
Caviar Black 640GB | HD3870
 Reply to theAnimal
chookman   02-18-2009 at 01:57:07 AM
- 0 +

^agree with theanimal

------------------------------ "This thread made me strap on my lolerskates and head for my roflcopter."
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o1die   02-18-2009 at 05:28:30 AM
- 0 +

My bad. I meant to say 4850.

Reply to o1die
JohnnyLucky   02-18-2009 at 05:33:23 AM
- 0 +

^5 and +2 for what the other posters said about getting a high quality power supply.

Reply to JohnnyLucky
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