RAZER Tomahawk ATX Mid-Tower Gaming Chassis Installation Guide
- June 6, 2024
- Razer
Table of Contents
GETTING STARTED
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Remove the front panel using the bottom release handle.
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Open both detachable swivel glass doors, and then lift up to remove them.
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Open the inner flip panel.
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Remove the accessories box from the drive tray.
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Detach the cable management cover and motherboard cover by removing their screws.
INSTALLING YOUR SYSTEM
MOTHERBOARD INSTALLATION
Use the included tool to screw in the standoff bolts, and then screw in the
motherboard.
If you are using an E-ATX motherboard, rotate the cable guide 180 degrees.
Please refer to your motherboard’s user manual on where to connect the 10 cables for the chassis.
I/O PORT INSTALLATION
POWER SUPPLY UNIT (PSU) INSTALLATION
Loosen the screw and then slide the drive rack forward.
Remove the foam then return the drive rack and screw to its original position.
Insert the PSU from the left side of the case and then use
the included screws to hold it in place.
STORAGE DRIVE INSTALLATION
Push the fastener to unlock and then carefully pull out the tray.
Place the storage drive on the tray and then insert the included screws from
the bottom if you are using a 2.5” or from the sides if you are using a 3.5”
drives.
You can adjust the position of the drive rack to give additional clearance for a radiator and/or fan. To do so, simply remove the screw located on the left side of the rack, slide it, and then put back the screw.
2.5″ DRIVE INSTALLATION
Detach the 2.5” drive plate located at the left side of the chassis by
removing its screw and sliding it up.
Place the 2.5” drive on the plate, then insert the included screws from the
bottom. 
Reattach the plate to the chassis then hold it in place using the screw.
FAN INSTALLATION
The front of the chassis has an adjustable fan tray that can be positioned in
4 different styles.
Styles 1 and 2 can
fit only 120mm fans while styles 3 and 4 can fit up to 140mm fans.
To remove the fan tray, loosen the screws from both sides of the chassis and
then pull it out.
You can also mount radiators on the fan tray however, you will need to remove
the drive tray shroud to fit a 120x360mm radiator. To remove the cover, simply
loosen the screw from the right side of the chassis.
Two 120mm fans or two 140mm fans can be mounted on the top of the chassis. You
can also mount a radiator depending on the size of your other
components.
To screw in the fans, you will need to remove the chassis’ top filter. 
Up to two 120mm fans can be mounted on the top of the PSU shroud using the
included screws.
DUST FILTERS MAINTENANCE
There are dust filters located at the top and bottom of the chassis. Keep your
chassis in optimal temperature by cleaning these dust filters as often as
possible.
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>