I have a sanus audio rack with a closed door. Will it possible to install this without the side "U" handles that protrudes outward?

Yes, the U handles are removable and independent from the rack ears.

Max cpu cooler height?

The maximum CPU cooler heights are 181mm with expansion card retainer installed and 192mm without. For detailed information on this case and to download manual, please check out RM51's product page on our website: https://www.silverstonetek.com/en/product/info/server-nas/RM51/

What size are the case screws?

The screws used to secure the case panels are #6-32 screws, which is commonly used for PC cases.

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Technology RM51 5U Rackmount Server Chassis with Dual 180mm Fans and Enhanced Liquid Cooling Capability, SST-RM51

Product ID: 512742871

Details

Brand
SilverStone
Case Type
Full Tower
Color
Black
Cooling Method
Air Water
Fan Size
180
Material
Metal

💧Up to 360mm liquid cooling radiator compatible

❄️Dual 180mm Air Penetrator fans for max airflow

🖥️Supports SSI-EEB / True Extended ATX motherboards

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₨22044

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Stay cool, stay ahead: The RM51 is the powerhouse your rack’s been waiting for.

ULTIMATE COOLING POWER - Dual 180mm Air Penetrator 184i PRO fans + 360mm radiator support keep your system ice-cold under pressure.
SPACE OPTIMIZED 5 U DESIGN - Extra 1U height over previous models means more airflow and smarter internal layout without sacrificing rack space.
FLEXIBLE STORAGE PSU OPTIONS - Supports up to 7 SSDs or 4 HDDs with removable cages and secondary SFX PSU mount for ultimate customization.
MASSIVE HARDWARE COMPATIBILITY - Fits SSI-EEB / True Extended ATX motherboards and graphics cards up to 455mm for future-proof builds.
VERSATILE ORIENTATION CONNECTIVITY - Includes case feet for vertical placement and USB Type-C for modern connectivity—rackmount or desktop, your call.

The SilverStone RM51 is a 5U rackmount server chassis engineered for professional-grade builds, supporting large SSI-EEB motherboards and extensive cooling options including dual 180mm Air Penetrator fans and up to 360mm liquid cooling radiators. It offers versatile storage configurations, secondary PSU support, and flexible orientation, making it a compact yet highly functional solution for demanding server and workstation environments.

Specifications

ASIN	B0BVZ8BTNH
Antenna Location	Business
Best Sellers Rank	#84 in Computer Cases
Brand	SilverStone
Case Type	Full Tower
Color	Black
Compatible Devices	Personal Computer, Server
Cooling Method	Air, Water
Customer Reviews	4.6 4.6 out of 5 stars (34)
Enclosure Material	Metal
Fan Size	180 Millimeters
Hard Disk Form Factor	3.5 Inches
Internal Bays Quantity	6
Item Dimensions D x W x H	20.87"D x 17.3"W x 8.66"H
Manufacturer	SilverStone Technology
Mfr Part Number	SST-RM51
Model Name	RM51
Model Number	SST-RM51
Number of Fans	2
Other Special Features of the Product	Enhanced Liquid Cooling Capability, Dual 180mm Fans, Optional Secondary Power Supply Mount
Power Supply Mounting Type	Bottom Mount
Supported Motherboard	Extended ATX
Total Expansion Slots Quantity	8
Total USB 3.0 Ports	2
Total Usb Ports	6
UPC	844761026202
Unit Count	1.0 Count
Warranty Description	1 year limited

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