# How many servers can fit in a 42U rack?

## How many servers can fit in a 42U rack?

Standard data center racks are 42U high (where U is a form factor measuring 1.75 in., with a standard PC “pizza box” base). Ordinary servers are usually 3U high, meaning a rack theoretically can hold 14 servers.

### What is 42U server rack?

The 42U Universal Server Rack is compatible with a wide variety of servers and rack-mountable networking equipment, including Dell, HP, Austin Hughes, IBM, Kendall Howard, Great Lakes, Martin Enclosures, Chatsworth, and APC products.

#### How do you count rack units?

The total rack unit is measured from the middle of the rack’s top hole of the previous U space to the top hole of the current U space. Spacing between holes within a rack unit are the same at .

How big is a 42U rack?

42U Racks: 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.

What is the difference between server and network rack?

Network Cabinets In most cases a network cabinet will be far shallower than a server rack cabinet, generally measuring in at less than thirty one inches deep. Networking cabinets will sometimes have glass or a strong plastic front door. Network cabinets also generally do not have perforated enclosures.

## How many servers are in a data center?

To summarize, a data center with 850 Megawatts of capacity can run around 6,314,256 low powered 1U servers, 1,768,000 mid powered 1U servers or 803,608 high powered servers in a 52U Rack. This number scales down depending on how much energy each server uses or how large the racks are.

### What does the U mean in server racks?

server rack unit
A server rack unit, or U, is a unit of measurement used to describe the amount of equipment space a server rack has. A U is 1.75 inches or 44.45mm high. An 8u rack has 8 units of vertical server rack space. Note: Equipment can be more than 1U in size.

#### How many rack units in a rack?

The height of the electronic modules is also standardized as multiples of 1.75 inches (44.45 mm) or one rack unit or “U”. Most racks are sold in the 42U form: that is, a single rack capable of holding forty-two 1U devices, or any combination of 1U, 2U, 3U or other rack unit heights that add up to 42 or less.

How heavy is a 42U rack?

275.20 lbs.
APC NetShelter SX 42U Rack AR3100 Specs:

Net Weight 275.20 lbs. (125.09 kg)
Minimum Mounting Depth 7.52 inches (191 mm)
Maximum Mounting Depth 36.02 inches (915 mm)
Rack Height 42U
Color Black

How deep is a 42U rack?

42U SmartRack Extra-Deep Server Rack – 48 in. (1219 mm) Depth, Doors & Side Panels Included.

## What are the dimensions of a 42U rack?

A 42U rack would have an internal rack unit height dimension of 73.5 inches (1.8669 m). However, each 42U rack manufacturer’s sever rack external dimensions will vary.

### How do I secure the top panel of the 42U rack?

The top panel of the 42U Rack is secured with the standard eye-bolts. Whether you require a top panel for cable entry or for ventilation, it can be quickly replaced by loosening 4 screws. This stable, static design permits the use of roof-mounted cooling units.

#### How do the 42U rack’s doors work?

The 42U Rack’s door system includes a four-point locking system. The door can be easily rotated so it can be hinged from the left or right. The side panels can be screwed on, locked in place, or hinged to provide side door access.

What is an APC basic rack PDU?

APC Basic Rack PDUs provide reliable rack power distribution via a single input with multiple output receptacles and distributes power from low amperage single phase circuits to higher-power 3-phase solutions.