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What cables do servers use?
Introduction
Servers are the backbone of the internet, businesses, and even your favorite games. But have you ever wondered how servers get their power and connect to other devices? The answer is in the cables. Servers use special cables to keep running smoothly and safely. Let’s explore what types of cables servers use and why each one matters.
Why Do Servers Need Special Cables?
Servers are powerful computers that run 24/7. They need strong, safe, and reliable cables to deliver power and connect to networks. Using the right cables helps prevent problems, keeps data safe, and makes sure everything works as it should. That’s why data centers and IT rooms pay close attention to the cables they use.
Main Types of Cables Servers Use
Servers use two main types of cables: power cables and data cables. Each type has its own job and is designed for a specific purpose.
Power Cables
Power cables bring electricity from the wall or power distribution unit (PDU) to the server. The most common server power cables are:
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IEC C13 to C14 power cord: This is the standard cable for most servers. The C13 end plugs into the server, and the C14 end connects to the PDU or power strip. This cable is used by many brands like Dell, HP, and IBM. It’s safe, easy to use, and fits most server racks.
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C19 to C20 power cord: Some bigger servers and network equipment need more power. The C19 to C20 cable is thicker and can handle higher currents, making it perfect for high-powered devices.
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NEMA power cords: In North America, servers often use NEMA power supply cords, like NEMA 5-15P to C13. These cables connect the server to standard wall outlets or special power strips. NEMA power cords are built to meet strict safety standards.
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Locking power cables: Some server rooms use locking power cords to make sure the cable doesn’t come loose by accident. This helps prevent downtime and keeps important equipment running.
Data Cables
Data cables let servers talk to other computers and the internet. The main types are:
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Ethernet cables (Cat5e, Cat6, Cat6a): These cables connect servers to switches, routers, and other network devices. They carry data quickly and are easy to organize in racks.
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Fiber optic cables: For super-fast data transfer, servers use fiber optic cables. These cables use light instead of electricity, making them perfect for long distances or high-speed connections.
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SAS and SATA cables: Inside the server, these cables connect hard drives and storage devices to the server’s motherboard. They help move data between storage and the rest of the server.
What Are the Most Common Server Power Cables?
The most common server power cable is the IEC C13 to C14 cord. You’ll see it in almost every data center and server rack. For bigger servers, the C19 to C20 cable is used because it can handle more power. In North America, NEMA power supply cords like NEMA 5-15P to C13 are also very common. These cables are chosen for their safety, reliability, and ability to handle the power needs of modern servers.
How Do You Choose the Right Server Power Cable?
Choosing the right cable depends on the server’s power needs and the type of outlet or PDU you have. Here’s what to check:
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Connector type: Make sure the cable fits both the server and the power source.
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Voltage and amperage: Bigger servers need cables that can handle more electricity.
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Cable length: Pick a length that reaches easily but doesn’t create clutter.
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Safety standards: Always use cables that meet safety rules to protect your equipment.
Exact Answer: What Cables Do Servers Use?
Servers use special power cables like IEC C13 to C14, C19 to C20, and NEMA power cords to get electricity from PDUs or outlets. For data, they use Ethernet, fiber optic, and storage cables like SAS and SATA. These cables keep servers powered, connected, and running smoothly.
Why Is Cable Quality Important for Servers?
Good quality cables prevent overheating, power loss, and network problems. Cheap or damaged cables can cause downtime, data loss, or even fires. That’s why data centers use high-quality power cables and nema power supply cords that meet strict standards.
How Do Data Centers Organize Server Cables?
Data centers use cable management tools like trays, ties, and color-coded cables. This keeps everything neat, makes it easy to find the right cable, and helps with airflow to cool the servers. Organized cables also make it easier to fix problems quickly.
Tips for Using Server Power Cables
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Always use the right cable for your server’s needs.
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Check cables for damage before plugging them in.
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Don’t overload outlets or PDUs.
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Use locking cables if possible to prevent accidental unplugging.
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Keep cables organized to avoid tangles and confusion.
Fun Facts About Server Cables
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Some servers use cables that can handle up to 20 amps of power.
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Fiber optic cables can send data at the speed of light.
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Color-coded cables help IT staff quickly find and replace the right cord.
How Are Server Cables Different from Regular Power Cords?
Server power cables are built to handle more power and are made with thicker wires. They often have special connectors like C13, C14, C19, or C20. NEMA power supply cords used with servers are also stronger and safer than regular cords you find at home.
Conclusion
Servers rely on special power cables and data cables to run safely and stay connected. The most common are IEC C13 to C14, C19 to C20, and NEMA power cords for electricity, and Ethernet or fiber optic cables for data. Using the right cables and keeping them organized helps servers work smoothly, keeps data safe, and prevents costly problems. Next time you see a server rack, you’ll know just how important those cables really are!


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