Will Nividias 3090 fit?

They fit after removing one of the drive cages

Will a NH-D15 fit in here?

No, the RM400 will only fit CPU coolers that are 148mm tall or less. At 160mm, the NH-D15 will not fit in any 4U server chassis. As an alternative, you can look into getting our KR02, which fits in the RM400: https://www.amazon.com/dp/B07S6CYK7Y

Can this fit an eatx dual socket motherboard?

There are several types of EATX motherboards, this case can fit up to SSI-CEB form factor motherboard (12-inch x 10.5-inch). But if your dual socketed motherboard is SSI-EEB (12-inch x 13-inch), then no, this case will not fit. For SSI-EEB form factor EATX board, please check out our RM42-502 instead (currently out of stock as of September 2, 2021 but more are coming in about a week): https://www.amazon.com/dp/B09227RQV2

How loud are the included case fans?

The noise at maximum speeds are 43.6 dBA and 33.7 dBA for the included 120mm and 80mm fans respectively, Below are additional specs. for the included fans: Dimensions: 120mm x 120mm x 25mm Voltage: 6.0V ~ 13.2V Rated current: 0.45A +/- 0.05A Speed: 2800 rpm +/- 10% Max. airflow: 108.76 CFM Air pressure: 5.63 mmH2O Max. noise: 43.6 dBA Dimensions: 80mm x 80mm x 25mm Voltage: 6.0V ~ 13.2V Rated current: 0.17A +/- 0.02A Speed: 3000 rpm +/- 10% Max. airflow: 43.05 CFM Air pressure: 4.18 mmH2O Noise: 33.7 dBA

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SilverStone Technology 4U Rackmount Server Chassis with 3 X 5.25 Front Bays with CEB/ATX/mATX/Mitx Support RM400 Cases SST-RM400

Product ID: 130260100

Details

Brand
SilverStone
Case Type
Mid Tower
Color
grey
Cooling Method
Fan
Fan Size
120
Material
--

⚡USB 3.1 Gen1 5Gbps super speed

🔒Front door with secure key lock

🖥️Supports SSI-CEB/ATX/mATX/mITX boards

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E£ 57315

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Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Rack up power and security with SilverStone’s RM400 — where pro-grade performance meets peace of mind!

SECURE FRONT ACCESS - Front door with key lock ensures your critical drives and components stay protected.
HIGH SPEED CONNECTIVITY - Equipped with USB 3.1 Gen1 ports delivering blazing 5Gbps transfer speeds, backward compatible for all your devices.
EXPANDABLE STORAGE OPTIONS - Three 5.25" drive bays let you customize your server with optical drives or hot-swap bays for maximum utility.
OPTIMIZED COOLING PERFORMANCE - Includes dual PWM fans (120mm + 80mm) engineered to keep your system cool under heavy workloads.
VERSATILE MOTHERBOARD COMPATIBILITY - Seamlessly supports SSI-CEB, ATX, mATX, and mITX for ultimate build flexibility.

The SilverStone RM400 is a robust 4U rackmount server chassis designed for professional environments, supporting a wide range of motherboard sizes including SSI-CEB and ATX. It features three versatile 5.25" drive bays, a secure front door with key lock, and high-speed USB 3.1 Gen1 ports. With dual PWM fans included, it ensures efficient cooling, making it an ideal choice for data centers and IT professionals seeking flexibility, security, and performance in one sleek package.

Specifications

ASIN	B07MKSH1B8
Antenna Location	Business
Best Sellers Rank	#62 in Computer Cases
Brand	SilverStone
Built-In Media	RM400
Case Type	Mid Tower
Color	grey
Compatible Devices	Server
Cooling Method	Fan
Customer Reviews	4.3 4.3 out of 5 stars (64)
Enclosure Material	--
Fan Size	120 Millimeters
Global Trade Identification Number	00844761016838
Hard Disk Form Factor	3.5 Inches
Internal Bays Quantity	3
Item Dimensions D x W x H	16.93"D x 17.56"W x 6.93"H
Item Type Name	SilverStone Technology 4U Rackmount Server Chassis with 3 x 5.25" Front Bays with CEB/ATX/mATX/mITX Support RM400
Item Weight	23.81 Pounds
Manufacturer	SilverStone Technology
Mfr Part Number	SST-RM400
Model Name	RM400
Model Number	SST-RM400
Number of Fans	2
Other Special Features of the Product	Supports up to SSI-CEB motherboard, front door with key lock, and three 5.25'' drive bays
Power Supply Mounting Type	Rear Mount
Supported Motherboard	SSI CEB
Total Expansion Slots Quantity	7
Total USB 2.0 Ports	1
Total USB 3.0 Ports	1
Total Usb Ports	2
UPC	844761016838
Unit Count	60.00 Count
Warranty Description	1 year limited

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