JMT PCI-E 1x to 16x Riser Card PCI-Express 1 to 4 Slot PCIe USB3.0 Adapter Port Multiplier Miner Card for BTC Bitcoin Miner Mining (No Cable)

Each adapter card does not support 24-hour uninterrupted use, because it is a precision technology product, uninterrupted use will cause it stopping work. Pls let this card rest for 1-2 hours after using it for several hours. If you need to use it all day, please purchase 1-2 pcs adapter card for replacement.
Specification: Bus
Type: PCI-E
X1 Port Quantity: 4 X
USB 3.0 Size: approx. 120 X 55 X 75 mm/ 4.72 X 2.16 X 2.95"
Product Weight: approx.
70 g Supported OS: Compatible with DOS, Linux, Windows
XP/Win7/WIN8/WIN10 Attention:
1. Due to WINS limit the number of graphics cards, in WIN10 can only recognize up to 8 graphics cards, WIN7 can only recognize 6 graphics cards, and to use the revised graphics card driver, on one motherboard pls use with the same type of graphics card. 2. 8 graphics cards or more quantity pls to use LI·NUX system. Riser Card Set (No cable/4*sata cables to options):
Features: 2 layer PCB bard designing. Use for graphics card mining 1-slot PCI-E 1X to 4 slot 16X riser card with high speed USB 3.0 cable. High speed USB 3.0 shield cable is flexible for 1U, 2U, 3U chassis. Support 4 port high speed PCIe 16X card. Solid capacitor provide extra stable power supply for PCI-e card
USB cable length: 60cm/ 23.63" (Approx. )
Quantity: 1Set