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The D5 is a mid-tower designed to accommodate E-ATX motherboards up to 12" x 10" and also the latest back-connector motherboards. The D5’s widely perforated front panel is engineered to maximize airflow, and the modular, rotatable PCI-E slot bracket allows you to showcase your GPU effortlessly.


  1. Optimal Airflow
  2. Dual-GPU Orientation
  3. Supports latest Back-Connect M/Bs
  4. Neptune AN120 Fan Pre-Installed


Model D5
Model Number IW-CS-D5BLK-1AN120
Colors Black
Case Type Mid Tower
Materials SECC, Tempered Glass, ABS
M/B Compatibility 12" x 10" E-ATX, ATX, Micro-ATX, Mini-ITX
Expansion Slots

7 x PCI-E
6 x Vertical PCI-E
(Riser Cable Optional, Not Included in Package)

Maximum Compatibility GPU Card Length: 365 mm
CPU Heatsink Height: 165 mm
I/O Ports 1 x USB 3.2 Gen 2x2 Type-C
2 x USB 3.2 Gen 1
HD Audio Combo (CTIA – SPK/Mic)
Internal Drive Bays 1 x 3.5" / 2 x 2.5"
2 x 3.5" / 2.5"
Thermal Solution Compatibility Air Cooling Fans:
Front: 3 x 120 mm / 140 mm
Top: 3 x 120 mm / 140 mm
Rear: 1 x 120 mm
(1 InWin Neptune AN120 Fan Included)
Water Cooling Radiator:
Front: 1 x 280 mm / 360 mm
Top: 1 x 280 mm / 360 mm
Power Supply Compatibility PSII: ATX12V
- Length up to 180 mm
Product Dimensions
(L x W x H)
494 x 220 x 473 mm
19.4 x 8.7 x 18.6"
Package Dimensions
(L x W x H)
544 x 282 x 545 mm
21.4 x 11.1 x 21.5"
Net Weight 8.3 kg / 18.3 lb
Gross Weight 9.7 kg / 21.38 lb
* InWin's products comply with RoHS regulation.
* Specifications may vary based on different regions.
Model Neptune AN120
Model Number IW-FN-AN120-3PK
Colors Black
Fan Size 120 x 120 x 25 mm
Materials PBT, PC
Rated Voltage DC 12V
Rated Power 1.92W
Rated Current 0.17A
ARGB Rated Voltage DC 5V
ARGB Rated Power 1.4W
ARGB Rated Current 0.28A
Speed Mode PWM 900 - 2200 +/- 10% RPM
Air Flow 23.87 - 60.1 CFM
Air Pressure 0.36 - 2.27 mm / H2O
LED Addressable RGB
Connector (Fan to Fan) Non-Modular Cables
Connector to M/B 4-Pin (12V, PWM), 3-Pin (5V, ARGB)
Noise Level 20.5 dB(A) (Normal)
Bearing Type
Long Lifespan Sleeve Bearing
MTBF >36,000 hrs.
Net Weight 541 g / 1.19 lbs
Gross Weight 803 g / 1.77 lbs
Warranty 3 Years
* InWin's products comply with RoHS regulations.
* Specifications may vary based on different regions.

A Mesh Refresh

The D5 comes with extensively perforated panels, ensuring refreshing airflow and maximizing ventilation to the fullest extent.

GPU Orientation Rotation

Featuring a modular, rotatable PCI-E slot bracket, the D5 gives users the choice to showcase the GPU either vertically or horizontally without the need for additional brackets.

* The PCI-E riser cable is not included in the package.

Compact but Compatible

The D5 is a mid-tower case designed to accommodate 280 mm or 360 mm radiators, or up to 7 fans, providing flexibility for various build configurations.

Neptune’s Galactic Glamour

The D5 comes pre-installed with one silent static pressure fan, the Neptune AN120, providing concentrated airflow along with ARGB visual aesthetics.

Headphone Hanger

The cleverly crafted built-in headphone hanger enhances desk organization.


D5 Chassis x 1
Neptune AN120 Fan x 1
QR Code Card x 1
Accessories Bag x 1

Become a Fan of InWin’s Case Fans!

InWin's case fans are both aesthetically pleasing and practical. There are different series of case fans that meet different user requirements. Some of InWin’s fans are daisy-chainable and some are not. So, take a look and check out which InWin fans match your needs

InWin’s Fans Compatibility Note:
1. Do not chain up your fans with other fans in with different cables types.
2. ARGB fans and RGB fans are not compatible with each other.