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trifire 5870 on a hx850?

U

ucanmandaa

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Nov 30, 2008
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System Name quaddamage // black pearl // black magic
Processor Q6600 @ 3.47ghz // 1090T @ 4.0 GHZ/2800NB // P!!!-S 1.4 @ 1.5
Motherboard Rampage Formula // CH4 Formula // TUSL2-C
Cooling TRUE 120 // TRUE 120 Black // Stock
Memory 4GB Flex ][ 1150 // 8GB OCZ Black Edition 1600 // 512MB Kingston PC133 @ 143
Video Card(s) 4850 1GB Crossfire // Asus 5870 Crossfire // 3dfx Voodoo 5 with DVI
Storage 3x 320 7.10 Seagate // Vertex 2 + 500GB 7.12 Seagate RAID 0 // 80GB Seagate
Display(s) Dell U2410
Case HAF 932 // HAF X // Cheapo Case :D
Power Supply TX650 // HX850 // OCZ 400w
Hi guys, as title says can it handle a trifired 5870 setup? My cpu is a PII x6 at 4.0ghz.
 
xBruce88x

xBruce88x

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Oct 29, 2009
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System Name Old Gateway / Steam Deck OLED LE
Processor i5 4440 3.1ghz / Jupiter 4c 8t
Motherboard Gateway / Valve
Cooling Eh it doesn't thermal throttle
Memory 2x 8GB JEDEC 1600mhz DDR3 / 16gb DDR5 6400
Video Card(s) RX 560D 4GB / Navi II 8CU
Storage 240gb 2.5 SSD / 1TB nvme
Display(s) Dell @ 1280*1024 75hz / 800p OLED
Case Gateway / Valve LE
Audio Device(s) Gateway Diamond Audio EMC2.0-USB 5375U ($15 a long ass time ago), Valve
Power Supply 380w oem / 65w valve USB-C
Mouse Purple Walmart special, 1600dpi. Black desk mat
Keyboard SteelSeries Apex 100 / virtual
VR HMD Lmao
Software Windows 10 / Steam OS
Benchmark Scores It can run Crysis (Original), Doom 2016, and Halo MCC. SD LE 45fps
from AMD's website,

500 Watt or greater power supply with two 75W 6-pin PCI Express® power connectors recommended (600 Watt and four 6-pin connectors for ATI CrossFireX™ technology in dual mode)
Click to expand...

so since you only need an extra 100w for a 2nd card, I'd assume that another 100w would cover the third card? meaning 700watt with six 6-pin connectors.

Your power supply has exactly six 6+2pin PCI-e plugs. It has a single massive 70A 12v rail. so if i'm correct that the pci-e slot itself can give 75w, then the most that could possibly be use through all those connections is 675w. /12 and that's 56.25A. I don't think those cards are maxing out the power connections so you should be fine.

what was your cpu's stock speed so i can figure out the wattage its using after the overclock?
 
U

ucanmandaa

Joined
Nov 30, 2008
Messages
168 (0.03/day)
Location
North Cyprus
System Specs
System Name quaddamage // black pearl // black magic
Processor Q6600 @ 3.47ghz // 1090T @ 4.0 GHZ/2800NB // P!!!-S 1.4 @ 1.5
Motherboard Rampage Formula // CH4 Formula // TUSL2-C
Cooling TRUE 120 // TRUE 120 Black // Stock
Memory 4GB Flex ][ 1150 // 8GB OCZ Black Edition 1600 // 512MB Kingston PC133 @ 143
Video Card(s) 4850 1GB Crossfire // Asus 5870 Crossfire // 3dfx Voodoo 5 with DVI
Storage 3x 320 7.10 Seagate // Vertex 2 + 500GB 7.12 Seagate RAID 0 // 80GB Seagate
Display(s) Dell U2410
Case HAF 932 // HAF X // Cheapo Case :D
Power Supply TX650 // HX850 // OCZ 400w
my cpu is a pii X6 1090t. Its stock speed is 3.2ghz. I have two hds + a sdd + an optical drive and 8gigs of 1600mhz ram (running at 1.65v).
my case has a total of 5 fans and that psu is about 10 months old if that matters right now.
 
xBruce88x

xBruce88x

Joined
Oct 29, 2009
Messages
2,669 (0.50/day)
System Specs
System Name Old Gateway / Steam Deck OLED LE
Processor i5 4440 3.1ghz / Jupiter 4c 8t
Motherboard Gateway / Valve
Cooling Eh it doesn't thermal throttle
Memory 2x 8GB JEDEC 1600mhz DDR3 / 16gb DDR5 6400
Video Card(s) RX 560D 4GB / Navi II 8CU
Storage 240gb 2.5 SSD / 1TB nvme
Display(s) Dell @ 1280*1024 75hz / 800p OLED
Case Gateway / Valve LE
Audio Device(s) Gateway Diamond Audio EMC2.0-USB 5375U ($15 a long ass time ago), Valve
Power Supply 380w oem / 65w valve USB-C
Mouse Purple Walmart special, 1600dpi. Black desk mat
Keyboard SteelSeries Apex 100 / virtual
VR HMD Lmao
Software Windows 10 / Steam OS
Benchmark Scores It can run Crysis (Original), Doom 2016, and Halo MCC. SD LE 45fps
using a psu calculator, i got 626w min, 676 recommended for 2 cards. i dropped one card to get the diff so i could add up for 3. with one card i got 480w min, 530 rec. using that I can calculate about 772w min, 822w recommended. This is with your cpu overclocked and said additional hardware from your post. i picked 1.45v instead of 1.4v for your cpu just to be on the safe side, and at that setting your cpu would be using 168w.

bottom line, 772w Minimum. 822w recommended. This is with 15% capacitor aging included. please note, the site probably used reference designed gpus. the gpu's should be fine at stock (reference) speeds. if you want to overclock, i'd go for a 900-950watt. if you can't afford another psu, you can save 43w by returning your cpu to stock until you can save for a higher psu

edit: site used http://extreme.outervision.com/PSUEngine
 
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