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Click for the BBB Business Review of this Internet Services in Broomfield CO"style="border: 0;"src=https://lib.store.yahoo.net/lib/serverrack/bbb-accredited-business-seal.png> </a></p> <div style="height:1px;background-color:#eaeaea; margin:0px; width:100%"></div> <br> <br></table><td style=padding-left:5px><main role=main><table style="border-collapse: collapse;-webkit-box-shadow: #ccc 0 0 5px;-moz-box-shadow: #ccc 0 0 5px;ms-box-shadow: #ccc 0 0 5px;o-box-shadow: #ccc 0 0 5px;box-shadow: #ccc 0 0 5px;"align=center border=0 bordercolor=#CCCCCC cellspacing=0 width=100%><tbody><tr valign=top><td><div style="padding:10px 4px 4px 4px"><font face=Arial id=breadcrumbs size=1> <a href=index.html> <font face=Arial size=1> Home </font> </a> >> <a href=server-rack-height.html> <font color=#333333> <b> Server Racks by Size </b> </font> </a> </font></div> <h1>Server Racks by Height or Depth</h1> <table border=0 cellpadding=0 cellspacing=0 width=100%><tbody><tr valign=top><td style="padding:0 10px;font-size:12px"><div class="section-gap gap-first"></div> <h2 class=section-header>Build Your Server Rack Enclosure by Height</h2> <div style="float: left; width: 105px; text-align: center; padding-top: 85px; margin-left: 8px"><a href=1u-16u-server-racks.html> <img alt="View 6U to 16U high Server Racks, and 1U to 6U Mounting Brackets"style="width: 99px; height: 130px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u.gif> <br> <b> 1U to 16U </b> </a></div> <div style="float: left; width: 105px; text-align: center; padding-top: 55px"><a href=18u-27u-server-racks.html> <img alt="View 18U to 24U to 27U high Server Racks"style="width: 99px; height: 160px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u.gif> <br> <b> 18U to 27U </b> </a></div> <div style="float: left; width: 105px; text-align: center; padding-top: 30px"><a href=31u-40u-server-racks.html> <img alt="View 31U to 40U high Server Racks"style="width: 99px; height: 185px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u.gif> <br> <b> 31U to 40U </b> </a></div> <div style="float: left; width: 105px; text-align: center; padding-top: 15px"><a href=42u-server-cabinet.html> <img alt="View 42U high Server Racks"style="width: 99px; height: 200px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u.gif> <br> <b> 42U </b> </a></div> <div style="float: left; width: 105px; text-align: center"><a href=44u-48u-server-racks.html> <img alt="View 44U, 45U, and 48U high Server Racks"style="width: 99px; height: 215px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u.gif> <br> <b> 44U to 48U </b> </a></div> <div style="clear: both; margin: 0px;"></div> <p style="clear: both; margin-top: 30px;"><b> Considerations when selecting a rack by height </b> : In selecting the height of your server rack, you will want to keep in mind both what the cabinet's <a href=#External_Height> <font color=#800000> external height </font> </a> is, and how many "U's" ( <a href=#Rack_Units> <font color=#800000> rack units </font> </a> ) of rack mountable equipment you need to fit in it. 1U (One Rack Unit) equals 1.75" in mounting rail height.</p> <p style="text-align: center"><a style="margin-bottom: 0px;"href=#height> Other Heights & Learn More </a></p> <div style="margin-top: 30px;"class=section-gap></div> <h2 class=section-header>Build Your Server Rack Enclosure by Depth</h2> <div style="float: left; width: 108px; text-align: center;"><a href=24-deep-computer-rack.html> <img alt="View 24 inches Deep Server Racks"style="width: 80px; height: 198px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u-shorter1.gif> <br> <b> 24" Depth </b> </a></div> <div style="float: left; width: 108px; text-align: center;"><a href=30-32-deep-server-rack.html> <img alt="View 30, 31, and 32 inches Deep Server Racks"style="width: 85px; height: 198px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u-wider1.gif> <br> <b> 30" to 32" Depth </b> </a></div> <div style="float: left; width: 108px; text-align: center;"><a href=36-deep-computer-rack.html> <img alt="View 36 inches Deep Server Racks"style="width: 90px; height: 198px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u-wider2.gif> <br> <b> 36" Depth </b> </a></div> <div style="float: left; width: 108px; text-align: center;"><a href=40-42-deep-server-rack.html> <img alt="View 40, 41, and 42 inches Deep Server Racks"style="width: 95px; height: 198px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u-wider3.gif> <br> <b> 40", 42" & 44" Depth </b> </a></div> <div style="float: left; width: 108px; text-align: center;"><a href=48-deep-server-rack.html> <img alt="View 48 inches Deep Server Racks"style="width: 101px; height: 198px;"src=https://lib.store.yahoo.net/lib/serverrack/server-rack-42u-wider4.gif> <br> <b> 48" Depth </b> </a></div> <div style="clear: both; margin: 0px;"></div> <a name=height> </a> <p style="margin-top: 30px;"><b> Considerations when selecting a rack by depth </b> : In selecting the depth of your server rack you will want to keep in mind the deepest piece of equipment you will be putting in the rack; and then add a couple additional inches for space to run your cables and power cords. Also, please keep in mind that the <a href="#Useable Rack Depth"> <font color=#800000> usable rack depth </font> </a> "rail-to-rail" is typically 1 3/4" less then the <a href="#Actual Rack Depth"> <font color=#800000> actual rack depth </font> </a> .</p> <p style="text-align: center;"><a style="margin-bottom: 0px;"href=#depth> Other Depths & Learn More </a></p> <div style="margin-top: 30px;"class=section-gap></div> <h2 class=section-header>Server Rack Height</h2> <p>After you select the Rack Height you need above, you will then be able to select your Server Rack Depth and Server Rack Manufacturer, and configure your rack to your specific requirements.</p> <p><a name=External_Height> </a> <b> External Height </b> : Determining the correct rack height is extremely important. Not only should you consider both your current and future internal rack space requirements, but please be sure to allow enough room for ceiling clearance and any cabling or site requirements, as well as any dock or freight elevator limitations you may have.</p> <p><a name=Rack_Units> </a> <b> Rack Units </b> : With the exception of some legacy equipment, monitors, and keyboards, most server and network equipment sold today is intended to be rack mounted. 1U (One Rack Unit) is approximately 1.75" in height, 2U is 3.5" in height, and so on. So for example, if you have 20 x 2U high servers you need to mount, you will need a server rack that has at least 40U of rack space - keeping in mind any room you need for a KVM switch, UPS, patch panel, etc.</p> <p><b> 42U Racks: </b> 42U Server Racks are the most common rack height sold for data centers. 42U = 42 Rack Units on your Mounting Rails = 73.5" of rack mount space available. Please note that actual internal and external height vary depending on rack manufacturer.</p> <p><b> Other Rack Heights: </b> Depending on your application, requirements, and space limitations, a smaller more specialized rack may be best for your needs. Though it may be intuitive to think that a smaller rack would be less expensive because of less steel being used, racks in the 42U height range are mass produced and therefore usually have far less production cost. Following are links to other rack heights available.</p> <a name=depth> </a> <table border=0 cellspacing=1 id=table3 width=100%><tbody><tr><td style="font-size: 1em"valign=top><ul><li><b> <a href=6u-rack-enclosures.html> 6U </a> </b><li><b> <a href=8u-server-racks.html> 8U </a> </b><li><b> <a href=9u-server-racks.html> 9U </a> </b><li><b> <a href=10u-server-racks.html> 10U </a> </b><li><b> <a href=11u-server-racks.html> 11U </a> </b><li><b> <a href=12u-server-racks.html> 12U </a> </b><li><b> <a href=13u-server-racks.html> 13U </a> </b></ul><td style="font-size: 1em"valign=top><ul><li><b> <a href=15u-rack-enclosures.html> 15U </a> </b><li><b> <a href=16u-rack-enclosure.html> 16U </a> </b><li><b> <a href=18u-server-enclosures.html> 18U </a> </b><li><b> <a href=19u-server-enclosures.html> 19U </a> </b><li><b> <a href=22u-rack-cabinets.html> 22U </a> </b><li><b> <a href=24u-server-racks.html> 24U </a> </b><li><b> <a href=25u-computer-cabinets.html> 25U </a> </b></ul><td style="font-size: 1em"valign=top><ul><li><b> <a href=26u-server-cabinets.html> 26U </a> </b><li><b> <a href=27u-rack-cabinets.html> 27U </a> </b><li><b> <a href=31u-server-racks.html> 31U </a> </b><li><b> <a href=33u-rack-enclosures.html> 33U </a> </b><li><b> <a href=36u-computer-racks.html> 36U </a> </b><li><b> <a href=37u-server-racks.html> 37U </a> </b><li><b> <a href=38u-rack-enclosures.html> 38U </a> </b></ul><td style="font-size: 1em"valign=top><ul><li><b> <a href=40u-server-rack.html> 40U </a> </b><li><b> <a href=41u-server-racks.html> 41U </a> </b><li><b> <a href=42u-server-cabinet.html> 42U </a> </b><li><b> <a href=44u-computer-rack.html> 44U </a> </b><li><b> <a href=45u-server-racks.html> 45U </a> </b><li><b> <a href=47u-comptuer-cabinet.html> 47U </a> </b><li><b> <a href=48u-server-racks.html> 48U </a> </b></ul></table> <div class=section-clear-none></div> <div style="margin-bottom: 30px; margin-top: 15px;"class=section-gap></div> <h2 class=section-header>Server Rack Depth</h2> <p>After you select the depth that suits your needs, you can then select the height, manufacturer, and then configure your server rack to meet your specific requirements.</p> <p><b> <a name="Actual Rack Depth"> </a> Actual Rack Depth </b> : The measurements shown above are the server racks actual external depth measuring from the front of the rack to the rear.</p> <p><b> <a name="Useable Rack Depth"> </a> Usable Rack Depth </b> : Though most rack mounting rails are fully adjustable, all server racks have to allow a small amount of room (7/8" of an inch) on the front and rear for the rails to be mounted and doors to open. Therefore when calculating the depth you require please keep in mind that the usable depth will be 1 3/4" less then the actual depth. For example a 30" deep server rack will have 28 1/4" inches of usable "rail-to-rail" space.</p> <table style="border-collapse: collapse; margin: 0px auto; font-size: 1em; color: #111111"border=1 bordercolor=#111111 cellspacing=1 width=90%><tbody><tr><td align=center valign=bottom width=25%>30" Actual Depth = <br> 28.25" Usable Depth<td align=center valign=bottom width=25%>32" Actual Depth = <br> 30.25" Usable Depth<td align=center valign=bottom width=25%>36" Actual Depth = <br> 34.25" Usable Depth<td align=center valign=bottom width=25%>40" Actual Depth = <br> 38.25" Usable Depth</table> <table border=0 cellspacing=1 width=100%><tbody><tr><td colspan=2 valign=top><p style="margin: 30px 0 10px 0;"align=center>While 40 & 42 inches are the most common depths for server racks, other depths are available. <br> To find the right rack for you, start by selecting an appropriate depth below.</p><tr><td style="font-size: 1em"valign=top><ul><li><b> <a href=18-deep-server-rack.html> 18" Deep Racks </a> </b><li><b> <a href=24-deep-computer-rack.html> 24" Deep Racks </a> </b><li><b> <a href=30-server-racks.html> 30" Deep Racks </a> </b><li><b> <a href=32-deep-server-rack.html> 32" Deep Racks </a> </b></ul><td style="font-size: 1em"valign=top><ul><li><b> <a href=36-deep-computer-rack.html> 36" Deep Racks </a> </b><li><b> <a href=40-deep-server-rack.html> 40" Deep Racks </a> </b><li><b> <a href=42-deep-server-rack.html> 42" Deep Racks </a> </b><li><b> <a href=48-deep-server-rack.html> 48" Deep Racks </a> </b></ul></table> <div style="margin-top: 15px;"class=section-gap></div> <h2 class=section-header>Which is the best rack for me?</h2> <p>Comparing server racks can be a daunting task. Even comparing racks with similar dimensions can be like comparing apples to oranges. In addition to your dimensions requirements, please also take into consideration the rack's cooling capabilities and cooling options, compatibility, load capacity, cable management options, rack accessories, rail mounting, and overall rack expandability. 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