ASTER RACKITENTERPRISE IT HARDWARERequest exact-unit photography.
No unverified model image substituted.
Lenovo 4X77B09788 — memory option
OEM ordering option documented · remaining checks open
Price and availability: Request quotation
Download editable RFQ checklist ↓A technical record does not certify stock, condition, current orderability or a factory-approved BOM.
For Lenovo 4X77B09788, the cited manufacturer documentation records listed nominal capacity: 64 GB; memory interface generation: DDR5; memory module type: RDIMM; rank and organization: 2Rx4. These observations describe the OEM ordering option; the option number does not establish the underlying component manufacturer PN.
Nominal capacity of this OEM option; usable formatted capacity can differ.
Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN.
Document: LP1021; updated 29 Jul 2025
Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788
Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTCGeneration named in the exact OEM option row.
Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN.
Document: LP1021; updated 29 Jul 2025
Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788
Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTCCheck the complete option number, target system, tray, firmware and configuration before ordering.
Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN.
Document: LP1021; updated 29 Jul 2025
Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788
Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTCCheck the complete option number, target system, tray, firmware and configuration before ordering.
Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN.
Document: LP1021; updated 29 Jul 2025
Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788
Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTCThis record identifies 4X77B09788 in the Lenovo memory catalog. Its classification is oem option part number. Preserve the full identifier when comparing offers: suffixes, revisions and assembly contents are part of the purchasing question.
Lenovo 4X77B09788 is a documented OEM memory option in the ThinkSystem Memory portfolio. Its ordering row records 64GB DRAM module RDIMM-A. Prepare an ASTER RACKIT enquiry using the complete PN, required quantity and destination system. Confirm module labels, supported population and effective operating speed before selection. Use the technical record to prepare an inquiry rather than as evidence that an item is available, tested, licensed or covered by a particular warranty. Inherited fast-shipping and stock language is not carried into this catalog's commercial fields.
Each field states its evidence status. Inherited and title-derived values remain unverified; reviewed OEM facts do not certify an offered configuration.
| Field | Recorded value | Source snapshot |
|---|---|---|
| Full OEM ordering PN | 4X77B09788 | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral official ordering-table observation. Actual supplied assembly, firmware and current lifecycle are not verified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[1] Reference: lenovo45-c0287f9909348364 |
| Printed feature code | CBND | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral official ordering-table observation. Actual supplied assembly, firmware and current lifecycle are not verified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[2] Reference: lenovo45-c0287f9909348364 |
| Documented byte capacity | 64GB | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral ordering-row statement; actual supplied unit and effective operating speed unverified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[3] Reference: lenovo45-c0287f9909348364 |
| Memory generation | TruDDR5 | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral ordering-row statement; actual supplied unit and effective operating speed unverified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[3] Reference: lenovo45-c0287f9909348364 |
| Printed memory speed | 6400MT/s | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral ordering-row statement; actual supplied unit and effective operating speed unverified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[3] Reference: lenovo45-c0287f9909348364 |
| Rank and organization | 2Rx4 | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral ordering-row statement; actual supplied unit and effective operating speed unverified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[3] Reference: lenovo45-c0287f9909348364 |
| DRAM technology | 16Gb | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsDocumented OEM ordering column only. A supplier part reference is not an additional product, alias or certified equivalent. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[4] Reference: lenovo45-c0287f9909348364 |
| Official OEM product portfolio | ThinkSystem Memory | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral official ordering-row or own portfolio statement; actual supplied assembly and server configuration remain unverified. Location: /html/body/div[1]/div[3]/div/div/div/div[2]/div/h1 Reference: lenovo45-c0287f9909348364 |
| Official ordering description | ThinkSystem SR645 V3/SR665 V3 64GB TruDDR5 6400MT/s (2Rx4) RDIMM-A v2 | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral official ordering-row or own portfolio statement; actual supplied assembly and server configuration remain unverified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[3] Reference: lenovo45-c0287f9909348364 |
| Official ordering-table group | x4 RDIMMs - supported up to 6400 MHz | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral official ordering-row or own portfolio statement; actual supplied assembly and server configuration remain unverified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[6]/td Reference: lenovo45-c0287f9909348364 |
| Printed memory module type | RDIMM-A | OEM product guide OEM catalog observation · Observed 20 Oct 2026 · 23:18:46 UTC Scope & source detailsLiteral official ordering-row or own portfolio statement; actual supplied assembly and server configuration remain unverified. Location: /html/body/div[1]/div[4]/div/div/div/div[1]/div/div/div[2]/div[5]/div[5]/div[2]/table/tbody/tr[12]/td[3] Reference: lenovo45-c0287f9909348364 |
| Capacity | 64GB | Source reference not linked Inherited · unverified · Observation time not recorded Scope & source detailsReference: customer-library |
| Memory generation | TruDDR5 | Source reference not linked Inherited · unverified · Observation time not recorded Scope & source detailsReference: customer-library |
| Module type | RDIMM | Source reference not linked Inherited · unverified · Observation time not recorded Scope & source detailsReference: customer-library |
| Memory speed designation | 6400MHz | Source reference not linked Inherited · unverified · Observation time not recorded Scope & source detailsReference: customer-library |
| Rank and device organization | 2Rx4 | Source reference not linked Inherited · unverified · Observation time not recorded Scope & source detailsReference: customer-library |
| Title-derived · capacity / module size | 64GB | Source reference not linked Inherited · unverified · Observation time not recorded Scope & source detailsReference: title-derived-v27-1 |
| Title-derived · memory generation/type | RDIMM | Source reference not linked Inherited · unverified · Observation time not recorded Scope & source detailsReference: title-derived-v27-1 |
| Title-derived · memory speed | 6400MHz | Source reference not linked Inherited · unverified · Observation time not recorded Scope & source detailsReference: title-derived-v27-1 |
| Lenovo ordering part number | 4X77B09788 | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsCheck the complete option number, target system, tray, firmware and configuration before ordering. Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788 Reference: lenovo10-lp1021-170 |
| Identity type | OEM ordering option | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsCheck the complete option number, target system, tray, firmware and configuration before ordering. Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788 Reference: lenovo10-lp1021-170 |
| Documented product series | TruDDR5 | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsCheck the complete option number, target system, tray, firmware and configuration before ordering. Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo option 4X77B09788 Reference: lenovo10-lp1021-170 |
| Listed nominal capacity | 64 GB | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsNominal capacity of this OEM option; usable formatted capacity can differ. Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788 Reference: lenovo10-lp1021-170 |
| Memory module type | RDIMM | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsCheck the complete option number, target system, tray, firmware and configuration before ordering. Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788 Reference: lenovo10-lp1021-170 |
| Memory interface generation | DDR5 | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsGeneration named in the exact OEM option row. Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788 Reference: lenovo10-lp1021-170 |
| Labelled memory rate | 6400 MT/s | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsSource unit preserved. Labelled rate is not a guarantee of operating speed in every platform. x4 RDIMMs - supported up to 6400 MHz Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788 Reference: lenovo10-lp1021-170 |
| Supported rate in this table context | 6400 MHz | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsOnly applies to the processor/platform grouping in the cited table; it does not replace the labelled rate. Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; group heading at rendered line 200 Reference: lenovo10-lp1021-170 |
| Rank and organization | 2Rx4 | OEM product guide Reviewed OEM field · Observed 16 Oct 2026 · 13:54:19 UTC Scope & source detailsCheck the complete option number, target system, tray, firmware and configuration before ordering. Lenovo OEM ordering option; source specifications are not a tested inventory unit or an interchangeable manufacturer PN. Document: LP1021; updated 29 Jul 2025 Location: Table 4. 6400 MHz DDR5 memory for AMD servers; rendered line 206; exact Lenovo ordering option 4X77B09788 Reference: lenovo10-lp1021-170 |
Adding an item prepares a local RFQ line. It does not create a price offer, reserve inventory or submit an order.
Read the category procurement guide →The supplied dataset associates this identifier with these platform records. These are inherited review candidates, not newly certified compatibility.
Related records below are category neighbors. They are not approved replacement parts.
No server boot-screen image is attached to this record. Request product photographs and any diagnostic or entitlement record as separate evidence.
At acceptance, compare the delivered unit, labels and accessories with the approved list. Retain source revisions and receiving records for later maintenance.
Remaining review: Confirm the complete OEM option, included carrier or bracket, target machine and firmware. · OEM order codes and component vendor part numbers are separate identities; vendor correspondence is not automatic compatibility. · An OEM catalog does not establish current stock, price, condition or an actual-unit photograph. · All fields not explicitly observed in the retained ordering row · Actual effective operating speed and target-server configuration · Supplied tray,bracket,cable,adapter and assembly contents · Supplier part equivalence and shared physical designs · Current unit label,condition,availability and lifecycle · Exact-product photographs and image reuse rights
| Source file | Source record | Evidence status |
|---|---|---|
| lib/customer-library.json | pn-cbc47868f992e13924fb | Inherited snapshot; not re-certified |
This is not a live stock feed. Confirm full identifier, condition, quantity, price and delivery scope in a written quotation.
No. Inherited fields and platform associations require review against the exact destination system and current manufacturer documentation.
Include the full identifier, quantity, destination, target platform, condition, accessories and evidence needed for acceptance.
No. Models, ordering configurations, options and reference labels are distinct record types. Ask which actual purchasing unit will be supplied.
Lenovo 4X77A93525 — Server memory
Inherited technical record
Lenovo 4X77A93527 — Server memory
Inherited technical record
Lenovo 4X77A93528 — Server memory
Inherited technical record
Lenovo 4X77A93529 — Server memory
Inherited technical record
Lenovo 4X77A93532 — Server memory
Inherited technical record
Lenovo 4X77A93533 — Server memory
Inherited technical record
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: 2026-11-03
| 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.
