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KnightLi Blog

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64 pages

Hardware

Hardware guides, component analysis, interface standards, and practical troubleshooting for storage, networking, and embedded devices.

Intel DG1, Arc A310, and Arc A380 Buying Guide: Low-Power GPUs and AV1 Display Cards Compared

AMD ROCm 7.2 + ComfyUI Compatibility Setup: Using a CUDA Alternative on Windows

RTX 5090 / 5080 AI Inference Benchmarks: Choosing for Local LLMs, 4K Video, and Real-Time 3D

DIY Microscope 0745 Zoom Lens Ranking: Choosing Between Moritex, Navitar, and Chinese Options

Common industrial camera microscope lens parameters: magnification, field of view, working distance, and mount

Common The Imaging Source industrial cameras: introduction, parameters, and comparison

Hard Drive Prices Are Soaring: Do Not Expand Your NAS Yet, Try a $200 TerraMaster + HC620 Cold Data Setup

How the NCP45521 Load Switch Works

Installing fnOS on TerraMaster F2-220: F3 Backplane, NVMe, and BIOS Module Injection

TerraMaster F2-221 NAS Backplane Pinout Notes

A Detailed Look at PCIe Bifurcation Modes

i5-13400TEF: An OEM Low-Power CPU for Compact PCs

Seagate Exos 2X14 Dual-Arm HDD: Cheap, Fast, Large, and Not for Everyone

Sony IMX Camera Module Guide: IMX335, IMX678, IMX415, IMX219, IMX273, IMX766, IMX307 Specs, References, and Taobao Price Notes

How to Choose a Diode: General, Fast Recovery, Schottky, Zener, LED, and TVS Explained

LGA1851 Z990/W980/Q970/Z970/B960/Z890/W880/Q870/B860/H810 Motherboard Lane Reference

Why Are 16-Core Board+CPU Combos So Cheap? Is a Xeon D-1581 Integrated Board Actually Worth Buying?

Is the Core Ultra 5 230F Worth Buying? How It Compares with the 12400F, 13490F, and 7500F

How to Pick a GPU in April 2026: Which Models to Avoid and Which Ones Are More Worth Considering

How to Choose an Intel 800 Series Chipset: Feature Differences Between Z890, W880, Q870, B860, and H810

How Intel's ATX 3.0 Design Guide Classifies PCIe Auxiliary Power Connectors for GPUs

How to Check Whether a Tesla V100 Has ECC Errors

Is Tesla V100 Still Worth Buying: ECC Checks, Cooling Mods, and DIY Pitfalls

12V-2x6 vs. 12VHPWR: Notes on GPU 16-Pin Power Connector Differences

Core Ultra 9 285T ES Notes: Q4A7, a B860 Engineering Board, and the 35W Power Wall

Lenovo HR630x / HR650x Notes: LGA3647, 8259CL, Optane, and Common Pitfalls

MCP2221A-I/ST Selection Notes: A Handy USB-to-I2C/UART Bridge Chip

LGA3647 high TDC OEM CPU lighting idea: modify the ICC_MAX of VRM

CRPS Common Redundant Server Power Supply Standard, Pin Functions, and Common Models

CSPS Common Slot Server Power Supply Interface and Pinout

A Practical Guide to Common U.2 Enterprise SSD Series

M.2 Key E, Key B, and Key M Pinout Notes

Common USB PD Decoy Chips: CH224K vs HUSB238 vs HUSB237 vs IP2721 vs XSP

Memory Die Identification Guide: How to Read Samsung, Micron, and SK hynix Codes

JMicron Chip Top Mark and Part Number Format

Home Printer Buying Guide

VGA Connector Pin Definition

Winbond Flash Chip Naming Rules Explained (with Full Winbond Flash Part List)

3.5-inch HDD Mechanical Dimensions (SFF-8301)

HP FLR Network Adapters: PCIe Lanes, Port Types, Controller Chips, and Part Numbers

PCIe Switches (PCI-E Switch Chipset Catalog)

PCIe-to-SATA Chipset Guide

3-Pin / 4-Pin CPU & PC Fan Interfaces, PWM Control, and DC Speed Control

MOSFET Identification and Basic Applications

UDIMM, SODIMM, RDIMM, LRDIMM, NVDIMM, ECC: What Is the Difference?

Crystal Oscillator Capacitance Basics (Matching Capacitance, Load Capacitance, and Parasitic Capacitance)

Dual Power Automatic Switching Circuit with Near-Zero Voltage Drop

How to Read Samsung MLCC Part Number Codes

HBA IT Mode / SAS Pass-Through Performance Comparison

Motherboard Form Factor List and Dimensions