Great for using a desktop video card with a thunderbolt compatible laptop!

Razer Core V2 eGPU External Video Card Enclosure
Model: RC21-01160

Condition: Used and in very clean condition. Tested and working.
Package Contents: eGPU and Power and Thunderbolt 3 Cables only. No original box, documentation or other accessories. No video card included.

CONNECTION TO PC: Thunderbolt 3 using included 40 Gbps cable
COMPATIBLE LAPTOPS: Razer Blade Stealth / Razer Blade notebooks equipped with Thunderbolt™ 3
INNER DIMENSIONS: Length: 11.81in / 300mm Height*: 5.71in / 145 mm Width: 1.69in / 43mm (Height measured from top of PCIe connector to the bottom of the locking pin ramps.
SYSTEM REQUIREMENTS: Windows® 10 64-bit with Thunderbolt 3 port
GPU SUPPORT (GRAPHICS CARD NOT INCLUDED): GPU Type: Single double-wide, full-length, PCI-Express x16 graphics card
GPU MAX POWER SUPPORT: 375 Watts
PLUG AND PLAY COMPATIBLE GRAPHICS CHIPSETS: Graphics cards use varied designs based around a common graphics chip. Please ensure the GPU selected meets all size, power, and additional requirements. A great reference is the eGPU Subreddit: https://www.reddit.com/r/eGPU/
GRAPHICS OUTPUT: Based on capabilities of installed graphics
INPUT & OUTPUT: USB 3.0 X 4 / Gigabit Ethernet 10/100/1000 / Thunderbolt™ 3 (for connection to PC)
LIGHTING: Razer Chroma – 2 Zones
PC SYSTEM REQUIREMENTS: Windows® 10 64bit with Thunderbolt 3 port
INTERNAL POWER SUPPLY: 500 Watts INCLUDED CABLES: Power Cable / Thunderbolt 3 cable
WEIGHT: 6.48 kg / 14.29 lbs
DIMENSIONS: 4.13in/104.9mm (Width) / 13.38in/339.9mm (Depth) / 8.6in/218.4mm (Height)

ORIGINAL RELEASE DATE: Q4 2017
ORIGINAL MSRP: $499 USD

DETAILS (MANUFACTURER WESITE): https://mysupport.razer.com/app/answers/detail/a_id/3723/~/razer-core-v2-%7C-rc21-01160-support-%26-faqs

DETAILS (HIGHLIGHTED REVIEW): https://egpu.io/razer-core-v2-review-think-inside-box/