Gaming 991B - Computer Case LC-Power - Free user manual and instructions

Product Type	Computer Case (Mid Tower)
Brand	LC-Power
Model	Gaming 991B
Dimensions (H x W x D)	473 x 215 x 470 mm
Motherboard Support	ATX, micro ATX, mini ITX
Drive Bays	5x 3.5" HDD; 3x 2.5" HDD/SSD
PSU Form Factor	ATX
Expansion Slots	7
Fan Support (Front)	3x 120 mm
Fan Support (Top)	2x 120 mm
Fan Support (Inside)	1x 120 mm
Fan Support (Rear)	1x 120 mm
Water Cooling Support (Front)	360 mm radiator
Water Cooling Support (Top)	240 mm radiator
Water Cooling Support (Rear)	120 mm radiator
Front I/O Ports	USB 3.0, USB 2.0, HD Audio
Side Panel	Tempered glass
Included Accessories	Screw bags, cable tie
Warranty	2 years

Frequently Asked Questions - Gaming 991B LC-Power

What is the maximum CPU cooler height supported by the LC-Power Gaming 991B?

The maximum CPU cooler height is not explicitly stated in the manual, but for a mid-tower case of this size, it typically supports coolers up to 160 mm. Measure your cooler before installation.

How many graphics cards can I install in the Gaming 991B?

With 7 expansion slots, you can install up to 7 single-slot GPUs or multiple multi-slot cards, depending on space. Ensure proper airflow and power supply capacity.

Does the case come with pre-installed fans?

The manual shows fan installation steps but does not specify pre-installation. It likely comes with no fans included; you need to purchase and install them separately.

Can I install a 360 mm radiator in the front?

Yes, the front supports a 360 mm radiator when no fans are mounted. Ensure the radiator thickness does not interfere with other components.

What type of power supply fits in the Gaming 991B?

The case supports ATX power supplies. Standard ATX PSUs up to about 180 mm length should fit, but measure your PSU and case clearance.

How do I install a 3.5" HDD in the case?

Press the HDD into the bracket until it snaps into place. The manual shows a tool-less installation: align the drive with the bracket and push until secured.

What is the purpose of the included stand-off screws?

The stand-off screws are used to mount the motherboard to the case tray. They elevate the board to prevent short circuits and align with I/O panel.

How do I clean the tempered glass side panel?

Use a soft microfiber cloth with a mild glass cleaner. Avoid abrasive materials or ammonia-based cleaners to prevent scratches or damage.

Can I install a 2.5" SSD without a bracket?

Yes, the case provides dedicated mounting holes for 2.5" drives on the motherboard tray. Secure the SSD using M3*5 screws (included) directly into the holes.

What should I do if the case gets damaged during shipping?

Contact your dealer immediately. The product has a 2-year warranty from purchase date, but shipping damage should be reported to the carrier and seller for replacement.

USER MANUAL Gaming 991B LC-Power

Gaming 991B – Lighthouse

Black server case with hexagonal heat sink design, no visible text or symbols

Thank you for purchasing this case from LC-Power.

Please read this manual before usage.

Specifications may be subject to change without prior notice.

1. Specification

Size 473 x 215 x 47	0 mm (h x w x d)
M/B ATX / micro A	TX / mini ITX
HDD 5x 3.5" HDD;	3x 2.5" HDD/SSD
PSU ATX
Fans Front: 3x 120	mmTop: 2x 120 mmInside: 1x 120 mmBack: 1x 120 mm
Water cooling(if no fans are mounted)	Front: 360 mmTop: 240 mmRear: 120 mm
Expansion Slots 7
Screw bags Cable tie	80mm: 5pcsMB Stand off 6# 5H 8*4.5L==>10pcsM3*5==>6pcs(2.5"HDD*6)

Black screws for side panel M4*5===>8pcs M5*10 TP3===>16pcs(FAN*16) 6#*4===>27pcs(MB*10,3.5"HDD*13,Power*4)

2. Installation

2-1.1 Open the box

Square metallic object with textured surface inside a white box, no visible text or symbols

2-1.2 Take out the glass side panels 2-1.3 Take out the chassis

Black rectangular electronic component with white frame, placed inside a cardboard box (no visible text or symbols)

Interior view of a cardboard box containing an open case with visible internal components (no text or symbols)

2-2.1 Front case fan installation

Close-up of a black CPU fan with visible blades and wiring (no text or symbols)

1) Fix the fans to the case chassis.

2-3 Top case fan installation

Press the fans to the top bracket to fix it

Close-up of two black industrial fans with visible blades and mounting holes (no text or symbols)

Close-up of a black electronic fan with visible blades and wiring, being handled by a hand (no text or symbols)

Close-up of a black plastic fan with visible blades and wiring, mounted on a dark surface (no text or symbols)

2-4. 3.5" HDD installation

Press the HDD into the bracket to fix it

Black plastic mechanical bracket with circular center and mounting holes (no text or symbols visible)

Close-up of a hard disk computer case on a tiled floor (no visible text or labels)

2-5. 1 Fan installation on the back side of the HDD bracket

Close-up of a black industrial machine ventilation grille with mounting holes (no visible text or symbols)

Interior view of a computer tower case with visible wiring and a LAN 8005T device (no readable text or symbols beyond branding)

2-5.2 Mainboard installation with stand-off am screws

Interior view of a computer tower case showing internal CPU socket and drive bays (no visible text or labels)

Additional 3x 3.5" HDD on MB tray

Interior view of a computer rack with visible circuitry, wires, and components (no readable text or symbols)

Additional 3x 2.5" HDD/SSD on MB tray

2-6 Tempered glasses side panel installation

Alight 4 screw holes to washer and fasten screws

Three black industrial electronic cabinets with visible internal panels and mounting brackets, displayed in a minimalist indoor setting (no text or symbols)

1. Front I/O Connector

Motherboard Case cable connector
USB 3.0
USB 2.0
HD Audio

The product has a two year warranty period from the date of purchase, service issues will be handled by your dealer. If the case is damaged due to improper operation, the warranty period expires immediately.

Check www.lc-power.com or contact us by e-mail at [e-mail].

Silent Power Electronics GmbH,

Formerweg 8,

47877 Willich,

Germany

POWER