Scrap Wiki

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

Last Updated: August 28, 2026

D Grade Board Scrap: Metal-Socket Desktop & Console Guide

Identify D Grade scrap from metal-socket desktop motherboards, verified console boards, low-density cards and graphicsboards with large cooling hardware.

Desktop Motherboard Circuit Board

Read page

Last Updated: August 27, 2026

C Grade Circuit Board Scrap: Desktop & Expansion Card Guide

Identify C Grade scrap from single-socket plastic PGA servers, desktop socket groups 2, 4, 6, 7 or 9, trimmed cards andconsumer graphics boards.

Circuit Board Desktop Motherboard

Read page

Last Updated: August 27, 2026

B Grade Circuit Board Scrap: Server & Desktop Board Guide

Identify B Grade scrap from two-socket plastic PGA server boards, selected desktop socket groups, lower-tier telecom boardsand peripheral interface cards.

Circuit Board Desktop Motherboard

Read page

Last Updated: August 27, 2026

A+ Grade Circuit Board Scrap: Industrial & Apple PCB Guide

Identify A+ Grade board scrap from Apple logic boards, SATA HDD controllers, PLCs, CNC systems, industrial controls, and selected servers. Learn how component density, processors, connectors, completeness, and condition affect classification.

Circuit Board Desktop Motherboard

Read page

Last Updated: August 27, 2026

A Grade Circuit Board Scrap: Laptop & Server Board Guid

Identify A Grade circuit board scrap from non-Apple laptop motherboards, qualifying plastic-socket server boards, gold-finger expansion cards, optical-drive controllers, backplanes, legacy NEC motherboards, and selected game-system boards. Learn how component density, socket configuration, connectors, completeness, and condition affect classification.

Circuit Board Desktop Motherboard

Read page

Last Updated: August 27, 2026

S Grade Circuit Board Scrap: Identification Guide | Ohata

Identify S Grade circuit board scrap by ceramic-CPU configurations, non-SATA HDD interfaces, high IC density, and premium connectors. Understand common classification mistakes, and learn how completeness and condition may affect evaluation.

Circuit Board Desktop Motherboard

Read page

Last Updated: August 27, 2026

SS Grade Circuit Board Scrap | Telecom & Cell Phone Guide

Learn how Ohata identifies qualifying SS Grade circuit boards from telecommunications, enterprise networking, optical communication, and other advanced systems. Understand how component density, major integrated circuits, connectors, completeness, and condition affect classification.

Read page

Last Updated: August 27, 2026

Ohata CPU Scrap Classification Wiki

Learn how Ohata classifies ceramic, PGA, LGA, BGA, fiber, slot-style, plastic, and damaged CPU scrap. Compare package construction, contact types, identification features, sorting guidance, and conditions that may affect classification or acceptance.

CPU PC Parts

Read page

Last Updated: August 27, 2026

Circuit Board Scrap Classification Guide | Ohata PCB Grades

Compare Ohata's nine PCB scrap grades, from SS to Appliance B. Learn how socket type, IC density, gold contacts, and board condition affect classification.

Circuit Board

Read page