RAM-B(shelded/silver edge/trimmed RAM) Grade buying scrap price

Introduction, Construction, Components, and Recycling Value

Products in this category may include desktop DIMMs, laptop SO-DIMMs, server memory, and other removable memory modules from different production periods. Specifications such as DDR generation, storage capacity, operating frequency, or current resale value do not independently determine the recycling grade. Grading primarily depends on the module’s physical construction, contact design, component population, recoverable-metal content, completeness, and condition.

A typical RAM module consists of a multilayer printed circuit board, memory ICs, gold-plated edge contacts, solder joints, resistors, capacitors, identification components, and—in some server modules—register, buffer, or error-correction components. The PCB contains copper tracks and internal conductive layers that connect the memory chips to the computer or electronic device.

The gold-colored edge fingers are among the most recognizable features of recyclable RAM. However, visible gold plating alone does not make a module a higher grade. Inspectors must also consider the thickness and condition of the contacts, the PCB size, the number and type of ICs, component density, and the overall proportion of valuable material.

RAM B Grade normally has a lower precious-metal concentration or a less valuable construction than qualifying S Grade or A Grade memory. Nevertheless, complete quantities of B Grade RAM remain useful recycling material because they can contain:

• Gold in the edge contacts and certain internal semiconductor connections

• Copper in PCB tracks, internal layers, and component connections

• Silver and tin in solder and electronic joints

• Palladium in some multilayer ceramic capacitors

• Nickel in barrier coatings and plated contact structures

The precise recoverable amount varies considerably by module design and production period. Therefore, Ohata grades RAM by physical category rather than guaranteeing a fixed metal yield for every individual module.

Ohata RAM B Grade Classification and Identification Guide

RAM B Grade should be identified according to the complete Ohata inspection standard, not merely by reading the label or recognizing a familiar brand. Modules produced by different manufacturers may receive the same B Grade classification when their construction and recycling characteristics are equivalent.

An inspector should first confirm that the item is an actual removable memory module. The module should then be examined on both sides under adequate lighting. Important inspection points include the PCB format, edge-contact structure, number of memory chips, additional control components, signs of component removal, contamination, corrosion, burning, breakage, and previous processing.

A qualifying RAM B Grade module will generally have the following characteristics:

1. Recognizable RAM construction: The item must be a complete or substantially complete memory module with an identifiable PCB and contact edge.

2. B Grade material profile: Its PCB, contacts, IC population, and component density correspond to the Ohata B Grade reference samples rather than the higher S or A categories.

3. Gold-plated contact fingers: The contact section should remain attached. Modules with cut-off or deliberately removed gold fingers cannot receive the same valuation as complete B Grade material.

4. Main components present: Memory ICs and other important components should not have been intentionally stripped. Missing chips reduce recoverable value and may result in downgrading.

5. Acceptable physical condition: Normal scratches, surface oxidation, used labels, light dust, or ordinary handling marks may be acceptable when they do not materially affect the module’s recycling value.

6. No serious contamination: Modules should be free from heavy mud, oil, chemicals, excessive adhesive, batteries, hazardous substances, or other foreign material.

The RAM generation—such as DDR, DDR2, DDR3, DDR4, or another format—is only a supporting identification factor. A newer module is not automatically a higher recycling grade, and an older module is not automatically more valuable. The final grade must follow construction and recoverable-material characteristics.

Mixed loads should be sorted before delivery whenever possible. Combining B Grade modules with S Grade, A Grade, lower-grade memory, broken boards, or unrelated electronic scrap increases the inspection and separation workload. Such mixed material may be downgraded or priced according to its lowest practical recoverable category.

Recoverable Materials, Buying Standards, and Handling

Ohata buys RAM B Grade as recyclable electronic material. The purchase price applies to the recycling classification rather than the operational performance of each module. Suppliers are generally not required to test every module, because working capacity, clock speed, and compatibility are not the primary basis of scrap grading.

To qualify for the standard B Grade buying price, RAM should be delivered complete, clean, dry, and reasonably sorted. Brand labels and original identification stickers may remain attached. Ordinary labels usually do not affect classification unless they conceal damage, contamination, or evidence that components have been removed.

The following conditions may cause a downgrade:

• Gold fingers that have been cut, sanded, heavily worn, or removed

• Missing memory ICs or other important electronic components

• Broken, cracked, crushed, or severely bent PCBs

• Heavy corrosion, fire damage, or extensive heat discoloration

• Excessive dirt, oil, mud, adhesive, or mixed non-RAM material

• Mixed RAM grades that require additional sorting

• Incomplete modules produced by prior manual dismantling

Severely burned, chemically contaminated, or hazardous material may be rejected instead of downgraded. Final acceptance depends on the actual condition of the shipment.

RAM should be stored in a dry container and protected from rain, saltwater, chemical exposure, and excessive mechanical pressure. Suppliers should not burn the boards, grind the contacts, remove chips, or attempt chemical gold recovery. Such processing creates safety risks and usually reduces the material’s commercial recycling value.

For larger shipments, separate bags or containers should be used for different Ohata grades. Clear labeling—such as “RAM B Grade”—helps speed up inspection, weighing, and settlement. Higher-grade memory should never be mixed with lower-grade or damaged modules if the supplier wants to preserve its full classification value.

Comparison, and Official Ohata Classification

RAM B Grade occupies a distinct position within the Ohata memory classification system. It should not be confused with either premium memory scrap or severely damaged low-value material.

RAM S Grade represents the highest qualifying recycling category. These modules generally have construction features and recoverable-material concentrations superior to standard B Grade material.

RAM A Grade normally offers a higher recycling value than B Grade because its contact structure, PCB characteristics, IC configuration, or overall precious-metal-bearing profile meets the A Grade standard.

RAM B Grade includes complete memory modules that match Ohata’s moderate-value reference construction. They retain useful gold-plated contacts, copper-bearing PCBs, semiconductor components, and other recoverable materials, but their expected material profile does not qualify for S Grade or A Grade pricing.

Lower-grade or downgraded RAM may have less valuable construction, reduced component density, missing parts, cut contacts, serious damage, or contamination. Material that was originally B Grade can also be downgraded if it has been stripped, burned, broken, or mixed with unsuitable scrap.

The official classification is determined by physical inspection and comparison with the current Ohata RAM grading standard. Brand, model number, capacity, memory generation, and working condition may assist identification, but none of these factors alone guarantees a grade.

Once a module is verified as RAM B Grade, it is purchased at the RAM B Grade price regardless of its individual brand or exact model. This consistent approach provides suppliers with a clear recycling standard while ensuring that material is valued according to construction, recoverable-metal potential, completeness, cleanliness, and processing requirements.

Learn more about Ohata's RAM recycling classifications

RAM-S(Gold finer server RAM) Grade

RAM-A(Gold finer desktop and laptop RAM) Grade

RAM-B(shelded/silver edge/trimmed RAM) Grade

RAM-C(mix and damaged RAM) Grade

RAM-D(mix and damaged RAM) Grade