Scrap Wiki

Last Updated: September 11, 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

Read page

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.

Read page

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)

Read page

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

Read page

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

Read page

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

Read page

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 Hard Disk Drive(HDD) Non-SATA Board Featured

Read page

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

Read page

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

Read page

Last Updated: September 4, 2026

Apple MacBook Logic Board Scrap: A+ Grade Guide | Ohata

Identify Apple MacBook logic board scrap, compare Intel and Apple silicon boards, and review OhataA+ Grade, condition, sorting, and buying criteria.

Apple Desktop Motherboard Apple Laptop Motherboards Desktop Motherboard Featured

Read page

Last Updated: August 29, 2026

RAM B Grade Scrap | Ohata RAM Classification Wiki

Identify RAM-B Grade scrap by attached heat spreaders, decorative covers, silver-colored contacts, and trimmed connector edges. Learn how to examine desktop and laptop RAM, safely handle removable covers, compare RAM-B with other RAM grades, and understand how completeness and condition affect classification.

PC Memory(RAM)

Read page

Last Updated: August 29, 2026

RAM A Grade Scrap | Ohata RAM Classification Wiki

Identify RAM-A scrap from complete, uncovered desktop DIMMs and laptop SO-DIMMs with intact gold-plated edge contacts. Learn how module format, IC population, connector condition, covers, completeness, and damage affect classification. Compare RAM-A with RAM-S, RAM-B, RAM-C, and RAM-D across DDR through DDR5 memory.

PC Memory(RAM)

Read page

Last Updated: August 29, 2026

RAM S Grade Scrap | Ohata RAM Classification Wiki

Identify RAM-S scrap by its gold fingers, high IC density, registered or buffered construction, and enterprise server-memory layout. Learn how ECC, RDIMM, and LRDIMM features support identification. Compare RAM-S with RAM-A, RAM-B, RAM-C, and RAM-D, and understand how covers, completeness, damage, and contamination affect classification.

PC Memory(RAM)

Read page

Last Updated: August 28, 2026

Appliance B Grade Board Scrap Identification Guide

Identify Appliance B Grade board scrap by low IC density, simple control circuits, open PCB areasand basic power components. Compare B vs A before sorting.

Circuit Board Desktop Motherboard

Read page

Last Updated: August 28, 2026

Appliance A Grade Board Scrap: Identification Guide

Identify Appliance A Grade board scrap from HVAC units, washers, printers and vending machines.Compare A vs B grades, components, condition and sorting rules.

Circuit Board

Read page