4U Rackmount Chassis :  Part # RM4027              a Rackmount chassis with 2x 5.25" Open + 4x 2.5" HDD(Internal)

19" Rackmount Standard Mounting: 19" Rackmount Standard Construction: Heavy Duty Cold Rolled Electroplated Steel Color: Black (Standard) or Custom System Boards : C2D, Pentium 4, Dual Xeon, X2, X4, Athlon 64, Dual Opteron Motherboard Size: Support MATX M/B (Max. to 9.6" x 9.6") Drive Capacity: 2x 5.25" & 4x 2.5"(Hidden) Power Supply: PS/2 or Mini Redundant ATX PSU Cooling Units: 2x (92mm = 51CFM ea.) & 2x (60mm = 23.5CFM ea.) Fans (Optional) Connector Port : 2 x USB Ports(Front) Front Door: Single Door with 1 Thumbscrew Air Filter: Inside Front Panel (Washable) Indicators: LEDs for Power ON/OFF, HDD Activity Switch: Power ON/OFF, System Reset Dimensions: 483 x 177x 302mm (19" x 7" x 11.9") (W x H x D) Humidity: 5% - 95% Non-condensing

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Ordering information 

Part Number	Description
RM4027     Price : $197	4U Rackmount Chassis w/ 2x 5.25" Open + 4x 2.5" HDD(Internal),  Black, Case only.
RM4027-30 Price : $235	4U Rackmount Chassis w/ 2x 5.25" Open + 4x 2.5" HDD(Internal),  Black, w/ 300W P.S.
RM4027-40 Price : $255	4U Rackmount Chassis w/ 2x 5.25" Open + 4x 2.5" HDD(Internal),  Black, w/ 400W P.S.
RM4027-50 Price : $285	4U Rackmount Chassis w/ 2x 5.25" Open + 4x 2.5" HDD(Internal),  Black, w/ 500W P.S.
RM4027-60 Price : $315	4U Rackmount Chassis w/ 2x 5.25" Open + 4x 2.5" HDD(Internal),  Black, w/ 600W P.S.
RM4027-R30 Price : $459	4U Rackmount Chassis w/ 2x 5.25" Open + 4x 2.5" HDD(Internal),  Black, w/ redundant 300W P.S.
RM4027-R40 Price : $485	4U Rackmount Chassis w/ 2x 5.25" Open + 4x 2.5" HDD(Internal),  Black, w/ redundant 400W P.S.
RM4027-R50 Price : $565	4U Rackmount Chassis w/ 2x 5.25" Open + 4x 2.5" HDD(Internal),  Black, w/ redundant 500W P.S.