Xigmatek Osiris II E-ATX Mid Tower Gaming Case with Valkyrie 80 PLUS Bronze Power Supply

Steel E-ATX mid tower case with a mesh front, tempered-glass left panel and four included 140mm Y40A ARGB fans. Choose the Valkyrie 750W 80 PLUS Bronze or Valkyrie 850W 80 PLUS Bronze power supply option.

Case Specifications

Dimensions (L × W × H): 465 × 238 × 481mm.
Motherboards: E-ATX, ATX, Micro-ATX, Mini-ITX; compatible back-plug ATX and Micro-ATX boards supported.
Included fans: 4 × 140mm Y40A ARGB.
Fan support: Front 3 × 120mm or 3 × 140mm; top 3 × 120mm or 2 × 140mm; rear 1 × 120mm or 1 × 140mm; motherboard panel 2 × 120mm; PSU shroud 2 × 120mm. Motherboard-panel installation requires E-ATX board width ≤285mm.
Radiators: Front and top 240/280/360mm; rear 120mm; motherboard panel 240mm with E-ATX board width ≤285mm.
GPU clearance: 400mm without motherboard-panel fan; 285mm with motherboard-panel fan.
CPU cooler clearance: 180mm.
PSU support: Standard PS2 ATX, maximum length 220mm.
Drive bays: HDD cage 2 × 3.5-inch and 1 × 2.5-inch; SSD bracket 2 × 2.5-inch.
Expansion slots: 7; supports 90-degree vertical GPU mounting.
Dust filters: Top and bottom.
I/O: USB 3.0 ×1, USB 2.0 ×2, HD Audio.
Warranty: 1 Year.

Included Power Supply

750W option: Xigmatek Valkyrie 750W, 80 PLUS Bronze.
850W option: Xigmatek Valkyrie 850W, 80 PLUS Bronze.
OCP: Over-current protection.
OPP: Over-power protection.
UVP: Under-voltage protection.
OVP: Over-voltage protection.
Power cord: EU cord.
750W bundle reference: EN91189; EAN 4711726291189.
850W bundle reference: EN91196; EAN 4711726291196.

Specifications

Brand	Xigmatek
Model	Osiris II
Case Type	Mid Tower
Color	Black
Materials	Steel
Side Panel	Tempered Glass (left), Mesh Front
Motherboard Support	E-ATX, ATX, Micro-ATX, Mini-ITX
Power Supply Support	Included Xigmatek Valkyrie 750W or 850W 80+ Bronze PSU
Maximum GPU Length	Up to 400mm (285mm with motherboard-side fan)
Maximum CPU Cooler Height	Up to 180mm
Included Fans	4x 140mm ARGB Fans
Fan Support	Front: 3x 120/140mm, Top: 3x 120mm or 2x 140mm, Rear: 1x 120/140mm
Radiator Support	Front: 360mm, Top: 360mm, Rear: 120mm
Front I/O Ports	1x USB 3.0, 2x USB 2.0, HD Audio
Airflow Design
Drive Bays
Dust Filters
RGB Lighting
Dimensions
Warranty

Why Choose it?

The Xigmatek Osiris II is a complete case and power bundle for gamers who want airflow, style and flexibility in one package. It comes with four pre-installed 140mm ARGB fans, a tempered glass side and a mesh front, supports E-ATX boards and 360mm radiators on the front and top, and fits GPUs up to 400mm with 90-degree vertical mounting. Choose the Valkyrie 750W 80+ Bronze for most builds or the 850W for high-end GPUs and extra headroom.