FSP U660-B Case Full Tower mITX, mATX, ATX (BTF), E-ATX

Full-Tower · ATX / mATX / ITX · GPU up to 420 mm

See today's price, delivery and offers at the store.

Form factor Full-Tower
Motherboard support ATX / mATX / ITX
GPU clearance 420 mm

FSP U660-B Case Full Tower mITX, mATX, ATX (BTF), E-ATX is a full-tower PC cabinet that takes ATX / mATX / ITX motherboards and graphics cards up to 420 mm long. It came out in 2026.

Released: 2026-08-12

Specifications

Key specs

Form factor: Full-Tower
Motherboard support: ATX / mATX / ITX
GPU clearance: 420 mm
Released: 2026-08-12
Part number: POC0000310
EAN / UPC: 4711498482594

Design

Material: SPCC
Form factor: Full Tower
Type: Server
Product colour: Black
Supported motherboard form factors: ATX, Micro-ITX, Mini-ITX, EEB
Number of 3.5" bays: 18
Number of 2.5" bays: 4
Number of expansion slots: 9
Illumination: Yes
Cable management: Yes
On/off button: Yes
Maximum CPU cooler height: 18 cm
Maximum graphics card length: 42 cm
Maximum PSU length: 23 cm

Power supply

Power supply location: Rear
Supported power supply form factors: ATX

View all specifications +4 more sectionsShow fewer specifications

Ports & interfaces

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1
Combo headphone/mic port: Yes

Cooling

Number of front fans supported (max): 4
Front fans diameters supported: 120,140 mm
Number of side fans supported (max): 4
Side fans diameters supported: 120,140 mm
Number of rear fans supported (max): 1
Rear fans diameters supported: 120,140 mm
Number of top fans supported (max): 3
Top fans diameters supported: 120,140 mm
Number of bottom fans supported (max): 3
Bottom fans diameters supported: 120 mm
Liquid cooling capability: Yes
Side radiator sizes supported: 360 mm
Top radiator sizes supported: 360 mm

Storage

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

Weight & dimensions

Width: 258 mm
Depth: 450 mm
Height: 568 mm
Weight: 11.6 kg
Material thickness: 0.8 mm

Check the manufacturer's page before buying.

Ready to buy? Get the FSP U660-B Case Full Tower mITX, mATX, ATX (BTF), E-ATX at today's price.Buy now

About this product

Built for Servers Engineered for professionals, this chassis supports up to 21 hard drives(share with SSD), 360mm radiators, and 420mm graphics cards. Perfect for demanding tasks like 3D rendering, AI, and video editing, it offers the flexibility and performance needed for any high-end workstation. 360mm

RADIATOR

Support up to 360mm radiators. 420mm

GRAPHICS CARD

Support up to 280mm or 420mm (remove HDD bracket) graphics cards. Massive Storage Capacity Designed for users with extensive storage needs, this chassis offers dedicated space and optimized drive bays to support a large number of hard drives. Perfect for data-intensive applications such as media production, backup systems, and enterprise storage solutions.

U660-B Case Full Tower mITX, mATX, ATX (BTF), E-ATX, EEB Black vs similar cabinets

	FSP U660-B Case Full Tower mITX, mATX, ATX (BTF), E-ATX	FSP U580-BA Case Full Tower mITX, mATX, ATX (BTF) Black ARGB	Chieftec AS-01B-OP Full-Tower Case	FSP U500-B Case Full Tower mITX, mATX, ATX, E-ATX
Form factor	Full-Tower	Full-Tower	Full-Tower	Full-Tower
Motherboard support	ATX / mATX / ITX	ATX / mATX / ITX	ATX / mATX / ITX	E-ATX / ATX / mATX / ITX
GPU clearance	420 mm	415 mm	320 mm	420 mm
Released	2026	2026	—	2025