Question 1

Sort of the same question as the other customer - how deep exactly is this unit? It doesn't say and there's a review that says it's 4 feet, which is insanely deep.

Accepted Answer

Nevermind - found the answer on the OpenRack site. 
Hardware
Rack Type	4-Post
Casters	Included
U Height	12U
Frame Type	Open Frame
Wallmountable	No
Front Door Type	Open
Industry Standards	EIA RS310-C
Fan(s)	No
Performance
Weight Capacity	596.7 lb [270 kg]
Physical Characteristics
Color	Black
Internal Width	17.8 in [451 mm]
Internal Height	21 in [534 mm]
External Width	21 in [534 mm]
External Height	23 in [585 mm]
External Depth	35.9 in [913 mm]
Product Weight	39.1 lb [17.7 kg]
Maximum Mounting Depth	35.9 in [913 mm]
Height with Casters	25.9 in [658 mm]

Question 2

does this unit come with tapped inserts for mounting gear?

Accepted Answer

If you mean, does it come with appropriate nuts/bolts to mount IT hardware into the rack, yes it does.

Question 3

What are the dimensions of this product (particularly depth in exact inches)?

Accepted Answer

The unit is 36" deep. Visit Star Tech website for exact dimensions.

Question 4

will this work with a deep case such as the Norco 4220 (25 inch deep) http://www.newegg.com/Product/Product.aspx?Item=N82E16811219033

Accepted Answer

Hardware
Rack Type	4-Post
Casters	Included
U Height	12U
Frame Type	Open Frame
Wallmountable	No
Front Door Type	Open
Industry Standards	EIA RS310-C
Fan(s)	No
Performance
Weight Capacity	596.7 lb [270 kg]
Physical Characteristics
Color	Black
Internal Width	17.8 in [451 mm]
Internal Height	21 in [534 mm]
External Width	21 in [534 mm]
External Height	23 in [585 mm]
External Depth	35.9 in [913 mm]
Product Weight	39.1 lb [17.7 kg]
Maximum Mounting Depth	35.9 in [913 mm]
Height with Casters	25.9 in [658 mm]

Questions & Answers