[ INDIVIDUAL COMPONENT // MEMORY / RAM ]
DDR4 UDIMM (PC4)
DDR4 unbuffered desktop memory standard. This record describes this specific product, standard, or clearly identified family; it is not a claim that every product sold under a similar name shares these specifications.
IDENTIFICATION WARNING: Match the complete model/part number and revision to its label and manual. Family-level entries may cover revisions; values marked “common” are not guaranteed for every unit.
Specifications
| Catalog subcategory | DDR DIMM generations |
|---|---|
| Catalog identity | DDR4 UDIMM (PC4) |
| Era / family | DDR4 unbuffered desktop memory standard |
| Key specifications | 288-pin DIMM; 1.2 V nominal; common JEDEC transfer rates 2133–3200 MT/s; non-ECC and ECC variants exist |
| Interfaces / mechanical | DDR4 only fits DDR4 slots; platform maximum rate/capacity and ECC behavior depend on CPU and board |
| Compatibility and variants | XMP/overclock profiles exceed baseline JEDEC operation and are not guaranteed on every system. |
| Use / service note | Inspect condition, revision markings, firmware or configuration, connectors, and any prior repair. For preservation, record photographs of labels and board markings before cleaning or disassembly. |
Identification & compatibility checks
- Photograph manufacturer, full model number, revision, serial/date codes, connector faces, and included brackets or cables before installation.
- Confirm electrical interface, connector pinout, physical dimensions, power requirements, firmware/driver support, and the host device’s documented compatibility.
- Do not infer compatibility from a shared brand, socket silhouette, connector shape, or marketing family name. Revisions and regional SKUs may differ.
- When a unit’s identity is uncertain, compare component markings against the manufacturer manual and avoid applying power until the pinout and condition are known.
Context & archival notes
XMP/overclock profiles exceed baseline JEDEC operation and are not guaranteed on every system.
Useful collection fields: exact model and revision; manufacture date; board/assembly identifiers; firmware; accessories; condition; known faults; source of acquisition; and the document revision used to verify this entry. Any measured result should include test setup and method.
Sources & further reading
- JEDEC — DDR memory standardsPrimary or standards reference for this component family; confirm the full model number and revision.
- Kingston — Memory technology and compatibilityPrimary or standards reference for this component family; confirm the full model number and revision.
Source notes point to standards bodies, manufacturers, or archival records. Some sources cover a family rather than this exact revision; the manufacturer datasheet/manual for the full part number takes precedence.