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Using molex for power but sata for connection to the motherboard?

post #1 of 5
Thread Starter 
Hello, i have a hard drive where it has a 4 pin molex as well as sata connectors to receive power. (its pretty old thats why) My power supply doesnt have a sata power connector left so i was wondering if i could hook it up to my motheboard with a sata connector but use the molex to power it up? Also i was wondering if i were to get a molex to double sata power adapter would there be enough Power in each to power up two hard drives at once if they were both not idle (not ssds)
post #2 of 5

I have a feeling that it has both power connectors for the sake of compatibility due to how old it is.

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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #3 of 5
Sure. Why not? It is just those older HDDs have both power options as TwoCables said for compatibility sake. HDD's do not use much power so you can split a regular molex into 2 without issue.
   
Office Special
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Office Special
(8 items)
 
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Intel Core i7-4790K Gigabyte Z97MX - Gaming 5 Gigabyte GeForce GTX 970 G1 Gaming Corsair Vengeance 8GB 1600MHz 
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Samsung 840 EVO 120GB Corsair H50 Windows 8.1 64-bit ASUS VH238H 
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SteelSeries 6G Corsair Professional HX650W Fractal Design Define Mini SteelSeries Ikari Laser 
CPUMotherboardGraphicsRAM
Intel Core i5-2410M Lenovo NVIDIA GeForce GT 555M 1GB GDDR5 Samsung 8GB 1333MHz CL9 
Hard DriveOptical DriveCoolingOS
RunCore 30GB mSATA SSD + Western Digital Caviar... LG BD-ROM / DVD RW Cooler Master NotePal U2 Windows 7 Home Premium 
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post #4 of 5
Thread Starter 
Thank you very much for your help, both of you. Good to know the split will work and definitely not run out of power. And nice post count TwoCables
post #5 of 5
for cheap connectors/splitters/etc I goto ebay
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rig
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i7-2700k @ 4.5GHz ASRock z75 Pro3 MSI 980 Ti Gaming and Gigabyte R9 290 OC windforce 8GB 2133 CL9 Gskill Snipper 
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2x 128GB M4 sata3 3TB Seagate + 640GB WD black M550 512GB sata3 2x140mm SilverArrow 
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Win7 64bit QNIX 27" 1440p @96Hz 850W EVGA SuperNova +80Gold HAF 932 
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