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.

Circuit Board Featured Desktop Motherboard PC Memory(RAM)

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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.

Circuit Board CPU Desktop Motherboard

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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

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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

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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.

Circuit Board Desktop Motherboard

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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

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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

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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

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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

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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

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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

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Last Updated: August 19, 2026

How to Read Motherboard and PCB Markings: What the Letters & Numbers Mean

Learn how to read motherboard and PCB markings, including part numbers, revisions, date codes, reference designators, polarity marks, and recycling clues.

Circuit Board Desktop Motherboard

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