Label and connector views
Ask for manufacturer and OEM part numbers, front/back views and the connector or edge contacts. Capacity, interface, form factor and intended host must match the requested component.
Dell · Server memory
Dell Memory Upgrade - 64 GB - 4Rx4 DDR4 LRDIMM 2666 MT/s
Compatibility depends on the system generation and installed options. Please confirm the full model, chassis configuration and any existing parts before ordering.
dell-c4130
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dell-c4140
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dell-c6320p
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dell-c6420
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dell-fc430
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dell-fc630
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dell-fc640
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dell-fc830
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dell-m630
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dell-m640
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dell-m640-vrtx
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dell-m830
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dell-mx740c
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dell-mx840c
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dell-r440
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dell-r540
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dell-r630
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dell-r640
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dell-r6415
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dell-r730
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dell-r730xd
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dell-r740
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dell-r740xd
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dell-r7415
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dell-r7425
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dell-r840
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dell-r930
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dell-r940
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dell-r940xa
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dell-t440
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dell-t630
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dell-t640
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dell-xr2
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These are separate products, not confirmed substitutes for this part.
Attach a photo brief to the request for Dell A9781930. This is a checklist to agree, not a record that inspection has already been performed.
Ask for manufacturer and OEM part numbers, front/back views and the connector or edge contacts. Capacity, interface, form factor and intended host must match the requested component.
Record quantity, condition, firmware or hardware revision where relevant, plus representative and exception photographs. Avoid relying on one generic image for a mixed lot.
Request individual separation, antistatic protection and connector protection as appropriate. Show the components in trays or packing, without inventing a component-specific boot screen.
Keep every suffix and revision; capacity alone is not an identity.
This guide adds the decisions, documents and next steps that support this page.
Memory & drive search
Keep DDR3, DDR4 and DDR5 searches separate.
Memory & drive searchRDIMM, LRDIMM and unbuffered modules require different platform support.
Memory recordsBalance channels using the actual OEM population rules.
Memory checklistKeep every suffix and revision; capacity alone is not an identity.
Record rank count and x4/x8 organization from the module label.
A label data rate does not guarantee the installed system speed.
A planning sequence, not a record of completed work.
Counts show records in the site catalog. They do not represent stock, available quantities or verified compatibility.
Snapshot: 2026-09-15
| Decision | Record in your brief | Evidence to retain |
|---|---|---|
| Full module PN | Keep every suffix and revision; capacity alone is not an identity. | Complete identifier and source revision |
| Rank & organization | Record rank count and x4/x8 organization from the module label. | Platform document or written clarification |
| Operating speed | A label data rate does not guarantee the installed system speed. | Offered-unit details and agreed scope |
Tick items as you prepare them. This is your personal checklist, not a hardware validation.
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Reference-based generated scenes; actual-unit photos are available only through an explicit unit-specific request. Related models are separate catalog records, not substitutes for the item on this page.
Continue the relevant directory or service flow.
Open resourceUse the connected tool to develop the requirement.
Open resourceRetain the supporting reference with your project brief.
Open resourceComplete PN including suffix copied · DDR and buffer type checked · Existing slot population recorded · Target server generation specified.