Review on 🔌 Kalolary 6 Pin PCIe - 2 x PCIe 8 (6+2) Pin, 6PIN to Dual 8PIN Graphics Card PCI-e Express VGA Splitter Power Extension Cable (4 Pack) by Leon Johnsson

The length is just right for connecting a graphics card and riser. although an extra inch wouldn't hurt. The real problem with these and ALL other Revain splitters is their lack of current carrying capacity. Regardless of what another idiot thinks with his own opinion. EACH LEG CABLE MUST RATING AT LEAST 10A. That means the 6-pin end needs to carry at least 20 amps of current. which REQUIRES 14 gauge wire; NOT the cheap 16 and 18 gauge wire that chars and burns during "normal" cryptocurrency charging. As soon as they overheat just a little bit, the pin crimps loosen (actually they need to be soldered) and the wires just slip out of the connector housings. Every time this happens, you lose (as it will forever) the attached add-on and GPU. In one out of three cases, you will also lose the motherboard. They have no purpose other than mining, and thus the manufacturer has to make them to specification. Soldered Contacts - 14 AWG wire and high temperature connector housing. This is especially true for CHINESE WIRE which is contaminated with IRON and is therefore quite FRAGILE. 16 gauge wires and pins are only rated 3.7-4.0A for "CONTINUOUS POWER TRANSMISSION" and only 10A for intermittent transmission of "control signals". such as relays or solenoids being switched on/off intermittently. Although it is absolutely true that the PINS themselves are rated for 10 amps each. The rating of the CONNECTION where the pins go together depends on how well the wires are crimped to the pins, which in this case is NOT VERY GOOD and reduces the rating to about 4 amps per pin. This means a high-impedance connection. what gets HOT. causes the pin terminals to expand causing the wires to slip out of the terminals and even get HOT. hot enough to burn the insulation to carbon which then shorts out the connection to the riser or GPU. The GPU is powered by ALL YELLOW LINES and returns to ground by ALL BLACK LINES. Each 16 gauge yellow wire will actually handle about 45 watts before it starts overheating. This equates to about 180W MAX for a 4-wire (8-pin) GPU power connector. With poor crimp quality and 16ga wire, the losses are reduced to around 130 watts of maximum power. and they still get hot. Of the 144 sets of cables, 27% failed in the first two weeks. with a 72% failure rate after 45 days. IN ANY CASE the connector failure was caused by charring of the crimp due to high resistance heating as described.