A
AM4 / AM5 – AMD CPU sockets. AM4 supports Ryzen 1000-5000 series, while AM5 supports Ryzen 7000-9000 series with DDR5 and PCIe 5.0.
Air Cooler – A CPU cooler that uses a heatsink and fan to dissipate heat. Simpler and more reliable than liquid coolers, but bulkier.
AIO (All-In-One) Liquid Cooler – A closed-loop liquid cooler with a pump, radiator, and fans. Offers better cooling than most air coolers at higher cost.
B
Bottleneck – When one component limits the performance of another, like a weak CPU holding back a powerful GPU. Identifying bottlenecks helps balance your build.
BIOS – Basic Input/Output System, the firmware that initializes hardware before Windows loads. Modern BIOS interfaces allow overclocking and fan control.
B550 / B650 – AMD motherboard chipsets. B550 is for AM4 (Ryzen 3000-5000), while B650 is for AM5 (Ryzen 7000-9000) with DDR5 support.
C
Chipset – The motherboard's control hub that manages data flow between CPU, RAM, storage, and peripherals. Determines features like USB ports, PCIe lanes, and overclocking support.
Core i5 / i7 / i9 – Intel CPU tiers. Core i5 is mid-range, i7 is high-end, and i9 is flagship for gaming and productivity.
CPU (Central Processing Unit) – The processor that handles game logic, physics, and general computing tasks. Paired with a GPU for gaming performance.
Case Airflow – How air moves through your PC case, typically front-to-back or bottom-to-top. Good airflow reduces temperatures and fan noise.
D
DDR4 / DDR5 – RAM generations. DDR4 is older and cheaper, while DDR5 offers higher bandwidth for Ryzen 7000-9000 and Intel 12th-gen+.
DRAM – Dynamic Random Access Memory, the main system RAM. Different from VRAM (GPU memory) and storage (SSD/HDD).
Dust Filters – Mesh panels on case intakes that block dust from entering. Improve longevity but require regular cleaning.
E
EPS 12V – The 8-pin CPU power connector on motherboards. Delivers power directly to the CPU, separate from the 24-pin motherboard power.
E-ATX – Extended ATX, a larger motherboard form factor than standard ATX. Requires big cases with more expansion slots.
F
FPS (Frames Per Second) – How many images your GPU renders per second. Higher FPS means smoother gameplay, especially on high-refresh monitors.
Fan Curve – A graph that sets fan speed based on temperature. Custom fan curves balance cooling and noise in BIOS or software.
Form Factor – The physical size standard of components like motherboards (ATX, mITX) or PSUs (ATX, SFX). Determines case compatibility.
G
GPU (Graphics Processing Unit) – The graphics card that renders game visuals and handles parallel computing tasks. The most critical component for gaming FPS.
G-Sync / FreeSync – Technologies that sync monitor refresh rate with GPU output to eliminate screen tearing. G-Sync is NVIDIA, FreeSync is AMD.
H
HDD (Hard Disk Drive) – Traditional spinning storage, slower than SSDs but cheaper per GB. Still useful for bulk storage like media libraries.
Heatsink – A metal block with fins that dissipates CPU or GPU heat. Always paired with a fan or liquid cooler for active cooling.
I
Integrated Graphics – GPU built into the CPU, like AMD's Radeon Graphics or Intel's UHD/Xe. Sufficient for office work, not gaming.
I/O Shield – The metal plate that covers the motherboard's rear ports. Prevents dust and electromagnetic interference.
K
Kit (RAM Kit) – A matched set of two or four RAM sticks sold together. Dual-channel kits (2x8GB, 2x16GB) perform better than single sticks.
L
LGA1700 / LGA1851 – Intel CPU sockets. LGA1700 supports 12th-14th gen, while LGA1851 supports Arrow Lake (15th gen+) with DDR5.
Liquid Cooling – Uses coolant and a radiator to transfer heat away from the CPU or GPU. More efficient than air cooling but requires maintenance.
M
M.2 NVMe SSD – A high-speed storage drive that plugs directly into the motherboard. Much faster than SATA SSDs or HDDs for loading games and files.
MATX (Micro-ATX) – A smaller motherboard form factor than ATX. Fits in mid-towers and offers fewer expansion slots.
Motherboard – The main circuit board that connects all components. Determines CPU socket, RAM type, and expansion options.
N
NVMe (Non-Volatile Memory Express) – A protocol for high-speed SSDs over PCIe lanes. Delivers 3-7x faster speeds than SATA SSDs.
NIC (Network Interface Card) – The Ethernet or Wi-Fi adapter that connects your PC to the internet. Most motherboards include built-in NICs.
O
Overclocking – Running a CPU, GPU, or RAM faster than stock speeds for extra performance. Increases heat and power draw, requiring better cooling.
OC (Overclock) – Short for overclocked. Often appears in product names like "RTX 5070 OC" for factory-overclocked GPUs.
P
PCIe (Peripheral Component Interconnect Express) – The expansion slot standard for GPUs, NVMe SSDs, and other add-in cards. PCIe 4.0 and 5.0 offer higher bandwidth.
PSU (Power Supply Unit) – Converts wall power to DC voltages for PC components. Quality PSUs from Corsair, Seasonic, or be quiet! ensure stability and longevity.
PWM (Pulse Width Modulation) – A fan control method that adjusts speed via duty cycle. PWM fans offer finer control than 3-pin DC fans.
Q
QVL (Qualified Vendor List) – A list of RAM kits tested and approved by motherboard manufacturers. Using QVL RAM reduces compatibility issues.
R
RGB (Red Green Blue) – Addressable lighting on fans, RAM, and other components. Controlled via software like Corsair iCUE or ASUS Aura.
RAM (Random Access Memory) – Temporary high-speed memory for active tasks. 16GB is the gaming standard in 2026, 32GB for creators.
Ryzen 5 / 7 / 9 – AMD CPU tiers. Ryzen 5 is mid-range, Ryzen 7 is high-end, and Ryzen 9 is flagship for gaming and productivity.
S
Socket – The physical interface where the CPU mounts on the motherboard. AM4, AM5, LGA1700, and LGA1851 are current examples.
SSD (Solid State Drive) – Fast storage using flash memory. NVMe M.2 SSDs are the standard for gaming PCs in 2026.
SATA – A legacy interface for SSDs and HDDs. Slower than NVMe but still used for budget storage and 2.5-inch drives.
SFX PSU – A smaller power supply form factor for compact SFF cases. Required for mini-ITX builds in tight chassis.
T
TDP (Thermal Design Power) – The maximum heat a CPU or GPU generates under load, measured in watts. Determines cooler and PSU requirements.
Thermal Paste – A conductive compound applied between the CPU and cooler to improve heat transfer. Pre-applied on most coolers, but aftermarket paste can help.
Threadripper – AMD's high-end desktop (HEDT) platform with 16-64 cores for workstation tasks. Overkill for gaming, ideal for rendering.
U
USB (Universal Serial Bus) – The standard for connecting peripherals. USB 3.2 Gen 2 and USB4 offer the fastest speeds for external drives and docks.
UV (Under Voltage) – Reducing CPU or GPU voltage to lower heat and power draw while maintaining performance. Common in SFF and silent builds.
V
VRM (Voltage Regulator Module) – Circuits on the motherboard that deliver stable power to the CPU. Quality VRMs are critical for overclocking and high-end CPUs.
VRAM (Video RAM) – The GPU's dedicated memory for textures and frame buffers. 8GB is minimum for 1080p, 12GB+ recommended for 1440p-4K.
V-Sync – A setting that caps FPS to monitor refresh rate to prevent tearing. Can introduce input lag, so competitive gamers often disable it.
W
Wattage (PSU) – The maximum power a PSU can deliver. A 650W PSU handles RTX 5060 builds, while 850W+ is needed for RTX 5080-5090.
X
XMP (Extreme Memory Profile) – Intel's RAM overclocking profile that applies optimized timings and speeds in BIOS. AMD's equivalent is EXPO for Ryzen 7000-9000.
X670 / X870 – AMD flagship chipsets for AM5. Offer more PCIe lanes, USB ports, and overclocking features than B650 boards.
FAQ
Q: What does TDP mean in PC hardware?
TDP (Thermal Design Power) is the maximum heat a CPU or GPU generates under load, measured in watts. It determines what cooler and PSU wattage you need for stable operation.
Q: What is a bottleneck in a PC build?
A bottleneck occurs when one component limits the performance of another, like a weak CPU holding back a powerful GPU. Balancing your build prevents wasted performance.
Q: What's the difference between a chipset and a socket?
A socket is the physical interface where the CPU mounts (AM4, AM5, LGA1700), while a chipset is the motherboard's control hub that manages features like USB, PCIe, and overclocking support.
Need deeper guides on any term?
Explore our full blog library on StudBudPC for detailed component guides, build tips, and hardware comparisons.
