This is genuine Apple card so you will get Apple splash screen on boot up (IE: Gray screen and Apple and spinning wheel) on all MacPro's.

This card has been tested in genuine Mac Pro 5.1 and has been found fully functional.

Package Includes:

1x Video Card, 1x Apple PCI-E 6-Pin Mac Pro Power Cable

Spec:

• VRAM : 1GB GDDR5
• Processing Units:  800 Stream Processors
• Slot Compatibility : PCI-E (PCI Express) 2.1 X 16
• GPU Clock： 850Mhz
• Hardware Compatibility ： Intel Mac Pro 2006 to Date 
• OS Compatibility ： Mac OS X v.10.6.8 up to 10.13: "High Sierra"
• Connectors ： 1 x Dual Link DVI-I, 2 X  Mini Display Port
• Display Modes ： 1 x Dual Link DVI-I, 2 X  Mini Display Port
• Maximum Analogy Resolution ： 2048 x 1536 @ 85hz (with DVI>VGA adapter)
• Maximum DVI Resolution ： 2560 x 1600 @ 60hz (up to 2 x 30" Apple Cinema HD Display)
• 1.04 billion 40nm transistors
• TeraScale 2 Unified Processing Architecture:
• 800 Stream Processing Units
• 40 Texture Units
• 64 Z/Stencil ROP Units
• 16 Colour ROP Units
• 1GB GDDR5 memory interface
• PCI Express 2.1 x16 bus interface
• DirectX® 11 support

Shader Model 5.0
DirectCompute 11
Programmable hardware tessellation unit
Accelerated multi-threading
HDR texture compression
Order-independent transparency

• OpenGL 3.2 support¹⁵
• Image quality enhancement technology

Up to 24x multi-sample and super-sample anti-aliasing modes
Adaptive anti-aliasin
16x angle independent anisotropic texture filtering
128-bit floating point HDR rendering

• ATI Eyefinity multi-display technology^1,4

Three independent display controllers
Drive three displays simultaneously with independent resolutions; refresh rates, color controls, and video overlays
Display grouping
Combine multiple displays to behave like a single large display

• ATI Stream acceleration technology

OpenCL support¹⁴
DirectCompute 11
Accelerated video encoding, transcoding, and upscaling^2,5
Native support for common video encoding instructions

• ATI CrossFireX™ multi-GPU technology¹⁶

Dual GPU scaling

• ATI Avivo HD Video & Display technology⁷

UVD 2 dedicated video playback accelerator
Advanced post-processing and scaling⁸
Dynamic contrast enhancement and colour correction
Brighter whites processing (blue stretch)
Independent video gamma control
Dynamic video range control
Support for H.264, VC-1, and MPEG-2
Dual-stream 1080p playback support^9,10
DXVA 1.0 & 2.0 support
Integrated dual-link DVI output with HDCP¹¹
Max resolution: 2560x1600¹²

§  Integrated DisplayPort output

Max resolution: 2560x1600¹²

§  HDMI® (With 3D, Deep Color and x.v.Color™)

Max resolution: 1920x1200¹²

§  3D stereoscopic display/glasses support¹³

§  Integrated HD audio controller

Output protected high bit rate 7.1 channel surround sound over HDMI with no additional cables required
Supports AC-3, AAC, Dolby TrueHD and DTS Master Audio formats

• ATI PowerPlay™ power management technology⁷

Dynamic power management with low power idle state
Ultra-low power state support for multi-GPU configurations

Shipping info:

Dimensions (cm): 39x16x6

Weight (kg): 1