FSP S120-B Case Mini Tower mITX, mATX Black

Small Form Factor (SFF) · mATX / ITX · GPU up to 255 mm

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Form factor Small Form Factor (SFF)
Motherboard support mATX / ITX
GPU clearance 255 mm

FSP S120-B Case Mini Tower mITX, mATX Black is a small form factor (sff) PC cabinet that takes mATX / ITX motherboards and graphics cards up to 255 mm long. It came out in 2025.

Released: 2025-12-27

Specifications

Key specs

Form factor: Small Form Factor (SFF)
Motherboard support: mATX / ITX
GPU clearance: 255 mm
Released: 2025-12-27
Part number: POC0000297
EAN / UPC: 4711498482020

Design

Material: SPCC
Form factor: Small Form Factor (SFF)
Type: PC
Product colour: Black
Supported motherboard form factors: micro ATX, Mini-ITX
Number of 3.5" bays: 1
Number of 2.5" bays: 2
Number of expansion slots: 4
On/off button: Yes
LED indicators: Yes
Maximum CPU cooler height: 16 cm
Maximum graphics card length: 25.5 cm
Maximum PSU length: 15 cm

Power supply

Supported power supply form factors: ATX

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Ports & interfaces

USB 2.0 ports quantity: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
Combo headphone/mic port: Yes

Cooling

Number of front fans supported (max): 1
Front fans diameters supported: 120 mm
Rear fans installed: 1x 120 mm
Number of rear fans supported (max): 1
Rear fans diameters supported: 120 mm

Storage

Supported HDD sizes: 3.5"
SSD form factor: 2.5"

Weight & dimensions

Width: 185 mm
Depth: 309 mm
Height: 354 mm

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About this product

Clean and Space-Saving The S120 is a straightforward and functional case designed for everyday use. With a compact structure, it fits well in most spaces without taking up too much room. The side panels include ventilation for optimal cooling needs. If you’re looking for a simple and reliable case, the S120 is a solid choice. 120mm Cooling Fan Equipped with a 120mm rear fan.

PSU

Support up to 150mm ATX PSU

STORAGE

SSD x2 / HDD x1 Compact and Versatile The S120 supports graphics cards up to 255mm. Its space-saving design makes it a reliable choice for everyday use. Sleek with Dedicated Features The S120 M-ATX mid tower case offers a clean internal layout with dedicated mounts for two SSDs and one HDD. It supports Micro ATX and Mini-ITX motherboards and provides essential storage options without unnecessary complexity. Easy Connectivity Includes dual USB3.0, and dual USB2.0 ports for convenient connectivity.

S120-B Case Mini Tower mITX, mATX Black vs similar cabinets

	FSP S120-B Case Mini Tower mITX, mATX Black	FSP S140-BA Case Mini Tower mITX, mATX Black ARGB	FSP S110-B Case Mini Tower mITX, mATX Black	UNYKAch PC Case Desktop UK3006 8L SFF Micro ATX Black With ODD Support 150W Flex
Form factor	Small Form Factor (SFF)	Small Form Factor (SFF)	Small Form Factor (SFF)	Small Form Factor (SFF)
Motherboard support	mATX / ITX	mATX / ITX	mATX / ITX	mATX / ITX
GPU clearance	255 mm	325 mm	285 mm	220 mm
Released	2025	2025	—	2026