ZALMAN ZM600-HP 600W Crossfire for 2 ATI Radeon 4870?

Whats up tomshardware people!

This is my first account, first post, so please don't hate if its a repost or if anyone asked this question already! I recently got a new computer set up, but it has a very crappy video card(VisionTek ATI 2600 Pro). Its decent enough for some games, but definitely I want to max out my computers potential. I have a ZALMAN ZM600-HP 600W power supply, and I was curious if its capable of handling 2(two) ATI Radeon 4870? Pretty much I need advice on what video cards to crossfire, and if my PSU can handle it? I need suggestions and advice, and I definitely don't want to risk messing up my new computer!Please help me out, and feel free to email me at Thanks tomshardware & I hope to hear from everybody soon!

Happy New Years!

Here is my computer Set up:

MSI K9A2 Platinum
Seagate 1TB Hard drive space.
AMD Phenom 9750 W/ ZALMAN CNPS9700 LED 110mm 2 Ball CPU Cooler
3GB of DDR2 800mHZ (Upgrading to 8GB of PC1066 as soon as I get a version of 64 bit Vista)
VisionTek ATI Radeon 2600 Pro

ZALMAN ZM600-HP 600W Continuous @ 45°C ATX12V V2.2 / EPS12V V2.91 SLI Certified CrossFire Ready Modular Active PFC Modular LED Heatpipe-Cooled SLI Power Supply - Retail
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More about zalman zm600 600w crossfire radeon 4870
  1. Here are the specs for the PSU:

    Brand ZALMAN
    Model ZM600-HP
    Type ATX12V V2.2 / EPS12V V2.91
    Maximum Power 600W Continuous @ 45°C
    Fans 1 x Dual Ball-Bearing 120mm Fan
    PFC Active
    Main Connector 20+4Pin
    +12V Rails 4
    PCI-E Connectors 2 x 6Pin
    CrossFire Ready
    SLI Certified
    Modular Yes
    Efficiency Up to 84% @ 230VAC, Full & Typical Load
    Over Voltage Protection Yes
    Overload Protection Yes
    Input Voltage 100 - 240 V
    Input Frequency Range 50/60 Hz
    Input Current 10A - 5A
    Output +3.3V@24A,+5V@24A,+12V1@16A,+12V2@16A,+12V3@16A, +12V4@16A,-12V@0.5A,+5VSB@2.5A
    Approvals cUL, CE, CB
    Dimensions 5.9"(L) x 6.5"(W) x 3.4"(H)
    Connectors 1 x Main connector (20+4Pin)
    1 x 12V(P4)
    1 x 12V(4+4Pin)
    7 x peripheral
    6 x SATA
    2 x PCI-E
    Features Internal Blue LED
    Ultra Quiet 120mm Fan
    Dual Heatpipes - Quiet Operation & Max Cooling
    Four Independent +12VDC Outputs
    Active PFC: PF Up To 99% & Reduces Distortion
    Sleeved Modular Cables
    Gold-Plated Terminals & 16AWG Wires
    EZ Grip Connectors for ODDs & HDDs
    ATX 20+4Pin Main Connector
    ATX12V CPU 4-Pin & EPS12V CPU 8-Pin
    2 x PCI Express Power 6Pin
    Over-Voltage Protection
    Over-Current Protection
    Short-Circuit Protection
    Under-Voltage Protection
    Over-Temperature Protection
    Complies With WEEE & ROHS
    Manufacturer Warranty
    Parts 3 years limited
    Labor 3 years limited
  2. So far I am deciding between 2X 4850 or 2X 4870. It seems like 4850 runs at lower wattage? Reading up would like some advice!
  3. i would move towards a 750 for a 2x 4870

    600 sounds fine for one but would probably need more for two.

    and yes the 4850 will take less power but not by much.

    Based on what I read

    2X Crossfire ATI Radeon 4870 wattage min/max is:

    HD4870 CF____________###############¦)###############}|' 128W-255W !

    The question is, is this correct, and can my PSU handle this?
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