Scrap Wiki

Last Updated: September 26, 2026

Understanding Telecom Boards: Function, Components, and Recycling Grade

Learn what telecom boards do, how to identify them, which components are common, and how Ohata classifies telecom-related boards across SS, A+, B, and C Grades for recycling.

Circuit Board Desktop Motherboard

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Last Updated: September 15, 2026

What Determines E-Scrap Value? Electronics Markets vs. Raw Materials Market

Learn how electronics markets, raw-material prices, mining, recycling, processing, and Ohata classifications influence e-scrap value.

Featured Desktop Motherboard Circuit Board PC Memory(RAM)

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Last Updated: September 15, 2026

Punched or Bent Hard Drives: With Board vs. Without Board

Learn why hard drives are punched or bent, how to identify models with or without a controller board, and how to prepare them for a buying evaluation.

Hard Disk Drive(HDD) Non-SATA Board Hard Disk Drive Hard Disk Drive(HDD) SATA Board

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Last Updated: September 15, 2026

Power Supply With Wire vs. No Wire: Identification and Classification Guide

Computer power supplies contain recoverable copper, steel, aluminum, and circuit boards. Learn how attached or removed wiring affects classification and value.

Computer Featured PC Parts

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Last Updated: September 15, 2026

Metal vs. Plastic Gold Connectors: Identification and Sorting Guide

Learn how to identify, separate, and prepare metal cable connectors and plastic gold connectors for clearer e-scrap inspection, grading, and recycling.

Computer Featured PC Parts

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Last Updated: September 15, 2026

What Is a BGA Chip? A Complete Guide to Ball Grid Array Packaging

A BGA chip is an integrated circuit package that uses a grid of solder balls underneath to connect directly to a circuit board. BGA packaging allows many electrical connections to fit within a compact area and is commonly used for processors, graphics chips, memory, chipsets, and controllers. Learn how BGA differs from PGA, LGA, and leaded IC packages and where each design may be preferred.

Computer PC Parts CPU

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Last Updated: September 15, 2026

Gold Fingers and Gold-Plated Contact Identification Guide

Gold fingers are narrow, gold-plated contacts found along the edges of memory modules, graphics cards, and other circuit boards. This guide explains how to identify them and how hard gold differs from other gold-colored PCB finishes. Learn what alignment notches, beveled edges, shorter contacts, and insertion marks can reveal about their design and condition.

CPU PC Memory(RAM) Computer Desktop Motherboard

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Last Updated: September 8, 2026

Ohata Shoji America Inc. Releases Ohata.AI Vision 1.0 Beta

Ohata.AI Vision 1.0 Beta 1.0 is an AI-assisted identification and preliminary classification service for electronic equipment and e-scrap. Users can upload photographs of a circuit board, motherboard, mobile phone, or other currently supported item. Ohata.AI Vision then reviews the visible evidence and produces a structured report that may include the likely item type, observed components and condition, a preliminary Ohata classification, and an eligible current reference price for the United States or Canada.

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Last Updated: September 7, 2026

Ohata RAM Scrap Classification Guide | RAM Recycling Grades, Server ECC RAM & Gold Finger Memory

Learn how to identify RAM-S, RAM-A, RAM-B, RAM-C, and RAM-D using the Ohata RAM Scrap Classification System. Includes engineering criteria, identification methods, technical references, and recycling guidance.

PC Memory(RAM)

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Last Updated: September 7, 2026

CPU Scrap Classification Guide: 9 Grades | Ohata

Identify CPU scrap by package material, gold cap, pins, contacts and condition. Compare nine Ohata grades from CPU-SSS to CPU-Fbefore recycling.

CPU

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Last Updated: September 5, 2026

Large Plastic CPU Socket Identification Guide | Ohata

Learn how Ohata measures a large plastic PGA CPU socket: both outer dimensions must be at least 50mm. See qualifying boards, exclusions and photo examples.

CPU Desktop Motherboard Circuit Board

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Last Updated: September 5, 2026

Hitachi Non-SATA HDD Controller Board 2.5-inch 2003 Wiki – Identification, Recycling, and Ohata HDD Classification

Learn about the Hitachi 2.5-inch Non-SATA HDD Controller Board (2003), including board identification, PCB construction, major components, recoverable materials, recycling, buying standards, and the Ohata HDD Non-SATA Board Classification.

Hard Disk Drive(HDD) Non-SATA Board Hard Disk Drive Featured

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Last Updated: September 5, 2026

HDD Non-SATA Board Scrap Wiki | Ohata IDE, ATA, EIDE & SCSI HDD Controller Board Identification Guide

Learn about the Ohata HDD Non-SATA Board Classification with this educational wiki covering IDE (PATA), ATA, EIDE, and SCSI hard drive controller board identification, electronic components, recoverable materials, buying standards, scrap value factors, AI image recognition, recycling processes, and the differences between SATA and Non-SATA HDD boards.

Hard Disk Drive(HDD) Non-SATA Board Hard Disk Drive Featured

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Last Updated: September 5, 2026

HDD Board Scrap Classification: SATA vs. Non-SATA | Ohata

Compare HDD SATA and non-SATA controller board scrap, identify connector types, avoid SAS and SSD misclassification, and review Ohata grades and condition rules.

Hard Disk Drive(HDD) Non-SATA Board Hard Disk Drive(HDD) SATA Board Featured

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Last Updated: September 4, 2026

HDD SATA Board Scrap Identification Guide | Ohata

Identify HDD SATA board scrap by its 7-pin data and 15-pin power connectors. Compare SATA and non-SATA boards and review Ohata buying conditions.

Hard Disk Drive(HDD) SATA Board Featured Hard Disk Drive

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