These are the specifications as listed on the HP specifications page for the HP Omen:
NVIDIA GeForce GTX 1070 (8 GB)
Form Factor: ATX (full height) PCB with ATX dual slot bracket
Dimensions: 11.2 cm x 26.7 cm (4.4 x 10.5 in)
Rear I/O connectors: Dual Link DVI-D + HDMI + 3 DisplayPort
Maximum resolution:
DVI (dual-link) resolution: 2560x1600x32bpp @ 60 Hz
HDMI resolution: 4096x2160x24 bpp @ 60 Hz (HDMI 2.0)
DisplayPort resolution: 5120x3200x24bpp @ 60 Hz / 7680x4320 @ 60 Hz YUV 420 8 bit
NOTE: Not all ports support the highest resolutions.
Memory size: 8 GB (256-bit)
Memory type: 256Mx32 GDDR5 @ 8 pcs
Total power consumption: 150 W
Supports up to four displays at the same time.
Engine clock: 1506 MHz (Base) / 1683 MHz (Boost)
Memory clock: 4004 MHz (8 Gbps)
Cooling: Active fan-sink with 4 pin fan control
External power cable: One 2x4 (8 pin)
DirectX: DX 12
PCIe: PCIex16 Gen 3
Please ensure this is compatible with your equipment as returns will not be accepted if it does not fit!