At a Glance: Razer Core | RC21-00940

Updated: 19-Sep-2025 | Answer ID: 2593
Technical specifications for the Razer Core | RC21-00940 including product manuals, downloads, FAQs, and product warranty information.

The Razer Core | RC21-00940 is an external enclosure for your graphics card (eGPU) that boosts gaming experience by enhancing graphical performance. The good thing about this external GPU is that you can just plug it in and not worry about a more complicated setup to achieve enhanced graphical performance, in case inserting an actual video card into your laptop or another system is not possible.

Razer Core | RC21-00940 Product Image

 

Device Layout

 

Razer Core | RC21-00940 Device Layout External

 

  1. Release lever
  2. Exhaust port
  3. USB 3.0 ports
  4. Gigabit Ethernet port
  5. Thunderbolt 3 (USB-C) port
  6. Power port
  7. PCI-E slot cover
  1. Razer Chroma front lighting
  2. Thunderbolt 3 (USB-C) cable
  3. 6+2-pin power connectors
  4. PCI-E port
  5. Release button
  6. Chroma internal lighting

 

Full Technical Specifications

 

Category Specification
Connection to PC Thunderbolt 3 using included 40 Gbps cable
Compatible Laptops Razer Blade Stealth
Razer Blade notebooks equipped with Thunderbolt™ 3
Razer Core max inner dimensions Length: 11.81 in / 300 mm
Height*: 5.12 in / 130 mm
Width: 1.69 in / 43 mm
*Height measured from top of PCIe connector to the bottom of the locking pin ramps.
System Requirements Windows 10 64-bit RS1 or above with Thunderbolt 3 port
Macs running macOS High Sierra 10.13.4 or later
GPU Support
(Graphics card not included)		 GPU Type Single double-wide, full-length, PCI-Express x16 graphics card
GPU Max Power Support 375 Watts
Windows 10 compatible graphics chipsets

Graphics cards use varied designs based around a common graphics chip.Graphics cards use varied designs based around a common graphics chip. Please ensure the GPU selected meets all size, power, and additional requirements.

Qualified NVIDIA® GeForce® graphics chipsets:

NVIDIA® GeForce® GTX 1080 Ti
NVIDIA® GeForce® GTX 1080
NVIDIA® GeForce® GTX 1070
NVIDIA® GeForce® GTX 1060
NVIDIA® GeForce® GTX Titan X
NVIDIA® GeForce® GTX 980 Ti
NVIDIA® GeForce® GTX 980
NVIDIA® GeForce® GTX 970
NVIDIA® GeForce® GTX 960
NVIDIA® GeForce® GTX 950
NVIDIA® GeForce® GTX 750 Ti
NVIDIA® GeForce® GTX 750

Qualified AMD Radeon™ graphics chipsets:

AMD Radeon™ RX 480
AMD Radeon™ RX 470
AMD Radeon™ RX 460
AMD Radeon™ R9 Fury
AMD Radeon™ R9 Nano
AMD Radeon™ R9 300 Series
AMD Radeon™ R9 290X
AMD Radeon™ R9 290
AMD Radeon™ R9 285
Graphics Output Based on the capabilities of installed graphics
Input & Output Gigabit Ethernet 10/100/1000
Thunderbolt™ 3 (for connection to PC)
Lighting Razer Chroma - 2 Zones
Power Supply 500 Watts
Approximate Size 4.13 in / 104.9 mm (Width)
13.38 in / 339.9 mm (Depth)
8.6 in / 218.4 mm (Height)

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