The 420 is designed for 3 internal HD's with no problem, just read your manual.
Two HD's go in the normal bottom HD bays, and the manual describes how to mount the third HD in one of the top 3 1/2 drive bays..
Just remember, their are power suooly cables already in place for HD's 2 and 3, but you'll have to supply your own data cables. The data cable for the bottom HD needs to have a right-angle connector on the HD end, while the data cable for the 3rd HD mounted in the 3 1/2 bay just takes a normal cable with straight ends on both ends of the cable.
If you need more than 3 HD's, you should be able to use some 5 1/4 to 3 1/2 drive mounting adapters and mount another HD or two in any un-used upper 5 1/4 drive bays.
Two at the bottom of the case in normal plastic HD carriers.
The manual specifically describes how to mount a 3rd HD in the upper 3 1/2 drive bay at the top of the cabinet. ( I have my WD 1TB drive mounted there.
Other than that, you can choose on your own to mount additional drives in any un-used 5 1/4 drive bay at the top of the case if you buy some 5 1/4 to 3 1/2 drive mounting adapters and mount them yourself. It's easy to do, but mounting HD's in these locations is entirely up to you.
IT STATES FROM THE MANUAL::: Your computer supports: * Two hard drives (Serial ATA) * Two FlexBay drives (can contain an optional floppy drive, an optional Media Card Reader, or an optional hard drive). * Two CD or DVD drives............................................................................................. so if i ordered it without any floppy or media card reader....and its coming with 1 hard drive and 1 dvd drive....i can add 3 more hard drives and 1 more dvd drive???? Message Edited by whizkid16 on 01-20-2008 05:02 AM
Message Edited by whizkid16 on 01-20-2008 05:02 AM
The 420 has a total of 6 places to mount internal drives.
From the top of the case
5 1/4 in drive bay - Normally the DVD drive goes here
5 1/4 in drive bay - Normally empty
3 1/2 in drive bay - (in my case, my WD 1TB drive is here)
3 1/2 in drive bay - 19 in 1 card reader
at the bottom of the case
HD drive bay --- HD drive bay
150gig Raptor 750gig Seagate
The MB has 5 internal SATA connectors
Now, with regards to the 3 1/2 in drive bays, the second from the bottom bay has the proper mounting holes in the proper location to accomidate a HD and all the mounting screws.
The bottom 3 1/2 in drive bay does NOT have a mounting hole for the rear screw on a HD on the open case side of the drive. You could probably mount a HD here but you won't be able to use all the mounting screws.
So in your case, if you order your system with 1 HD and 1 DVD.
You'd only be able to add three more drives since there are only 5 SATA connectors on the MB.
Which 3 drives you choose to install is up to you.
mrhsmav
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January 18th, 2008 03:00
Timdrouilard
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January 18th, 2008 06:00
packerFan07
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January 18th, 2008 12:00
whizkid16
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January 18th, 2008 13:00
masteff
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January 18th, 2008 14:00
http://www.dellcommunity.com/supportforums/board/message?board.id=Tech_Talk_XPS&thread.id=29359
Message Edited by masteff on 01-18-2008 10:38 AM
Timdrouilard
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January 18th, 2008 15:00
winnieB
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January 18th, 2008 16:00
Intel C2D E6700 2.66
2 GB @ 667mzh (2 dimms)
Dual 80GB Raptors @ 10,000 RPM in RAID 0 (silenced)
320GB hdd
160GB hdd
NVIDIA 7900GS Zalman VF-900cu
ATI TV Wonder 650 HD
Diamond 24-bit 7.1 surround, w/ dolby digital live
2407 Monitor
LG 42" 1080p
logitech G7 mouse, G15 keyboard
----------------------------------"GAME ON"-------------------------------
whizkid16
19 Posts
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January 19th, 2008 13:00
Timdrouilard
628 Posts
0
January 19th, 2008 14:00
whizkid16
19 Posts
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January 19th, 2008 15:00
Timdrouilard
628 Posts
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January 19th, 2008 18:00
<ADMIN NOTE: Broken link has been removed from this post by Dell>
whizkid16
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January 20th, 2008 11:00
Message Edited by whizkid16 on 01-20-2008 05:02 AM
Timdrouilard
628 Posts
0
January 20th, 2008 14:00
winnieB
2 Intern
•
1.1K Posts
0
January 21st, 2008 15:00
Intel C2D E6700 2.66
2 GB @ 667mzh (2 dimms)
Dual 80GB Raptors @ 10,000 RPM in RAID 0 (silenced)
320GB hdd
160GB hdd
NVIDIA 7900GS Zalman VF-900cu
ATI TV Wonder 650 HD
Diamond 24-bit 7.1 surround, w/ dolby digital live
2407 Monitor
LG 42" 1080p
logitech G7 mouse, G15 keyboard
----------------------------------"GAME ON"-------------------------------
whizkid16
19 Posts
0
January 21st, 2008 23:00