Lenovopart number
4X77A81442Lenovo 4X77A81442 — Server memory
- Capacity
- 64GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Search the complete hardware catalog
Compare the fields actually recorded, preserve complete part-number suffixes and carry your choices into a local RFQ.
Lenovopart number
4X77A81443Lenovo 4X77A81443 — Server memory
- Capacity
- 128GB
- Memory generation
- TruDDR5
- Module type
- 3DS RDIMM
Inherited technical record
Lenovopart number
4X77A81444Lenovo 4X77A81444 — Server memory
- Capacity
- 256GB
- Memory generation
- TruDDR5
- Module type
- 3DS RDIMM
Inherited technical record
Lenovopart number
4X77A81447Lenovo 4X77A81447 — Server memory
- Capacity
- 48GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A81448Lenovo 4X77A81448 — Server memory
- Capacity
- 96GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A87033Lenovo 4X77A87033 — Server memory
- Capacity
- 48GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A87034Lenovo 4X77A87034 — Server memory
- Capacity
- 96GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A88049Lenovo 4X77A88049 — Server memory
- Capacity
- 32GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A88051Lenovo 4X77A88051 — Server memory
- Capacity
- 32GB
- Module type
- RDIMM
- Title-derived · capacity / module size
- 32GB
Inherited technical record
Lenovopart number
4X77A88052Lenovo 4X77A88052 — Server memory
- Capacity
- 64GB
- Module type
- RDIMM
- Title-derived · capacity / module size
- 64GB
Inherited technical record
Lenovopart number
4X77A88054Lenovo 4X77A88054 — Server memory
- Capacity
- 128GB
- Memory generation
- TruDDR5
- Module type
- 3DS RDIMM
Inherited technical record
Lenovopart number
4X77A88055Lenovo 4X77A88055 — Server memory
- Capacity
- 256GB
- Memory generation
- TruDDR5
- Module type
- 3DS RDIMM
Inherited technical record
Lenovopart number
4X77A88056Lenovo 4X77A88056 — Server memory
- Capacity
- 24GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A88057Lenovo 4X77A88057 — Server memory
- Capacity
- 48GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A88058Lenovo 4X77A88058 — Server memory
- Capacity
- 96GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A88087Lenovo 4X77A88087 — Server memory
- Capacity
- 16GB
- Module type
- RDIMM
- Title-derived · capacity / module size
- 16GB
Inherited technical record
Lenovopart number
4X77A88639Lenovo 4X77A88639 — Server memory
- Capacity
- 48GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A90991Lenovo 4X77A90991 — Server memory
- Capacity
- 32GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A90992Lenovo 4X77A90992 — Server memory
- Capacity
- 64GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A93525Lenovo 4X77A93525 — Server memory
- Capacity
- 16GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A93526Lenovo 4X77A93526 — Server memory
- Capacity
- 32GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A93527Lenovo 4X77A93527 — Server memory
- Capacity
- 32GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A93528Lenovo 4X77A93528 — Server memory
- Capacity
- 64GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Lenovopart number
4X77A93529Lenovo 4X77A93529 — Server memory
- Capacity
- 128GB
- Memory generation
- TruDDR5
- Module type
- RDIMM
Inherited technical record
Server platforms — the next decisions
Server platforms
Server platforms
Specify rack height, bay size and backplane options.
This guide adds the decisions, documents and next steps that support this page.
Server directory
Choose the right route
Rack systems
Plan rack depth, rail kit and airflow before choosing a chassis.
Server directoryBlade systems
Identify the enclosure, fabric modules and generation-specific interconnects.
Server configuratorMulti-node systems
Separate shared power, node count and service access in the request.
Buying guidesDetails that change the configuration
Chassis & drive layout
Specify rack height, bay size and backplane options.
Processor & memory
Record CPU generation, socket count and DIMM population.
Power & management
Include input power, PSU redundancy and remote-management needs.
From requirement to handover
- 01
Define workload
- 02
Select chassis
- 03
Review configuration
- 04
Prepare acceptance
A planning sequence, not a record of completed work.
Explore the relevant catalog
All manufacturers
Recorded catalog identities
Counts show records in the site catalog. They do not represent stock, available quantities or verified compatibility.
Snapshot: 2026-09-15
Compare the buying requirements
| Decision | Record in your brief | Evidence to retain |
|---|---|---|
| Chassis & drive layout | Specify rack height, bay size and backplane options. | Complete identifier and source revision |
| Processor & memory | Record CPU generation, socket count and DIMM population. | Platform document or written clarification |
| Power & management | Include input power, PSU redundancy and remote-management needs. | Offered-unit details and agreed scope |
Build your readiness checklist
Your preparation progress
Tick items as you prepare them. This is your personal checklist, not a hardware validation.
Saved in this browser when local storage is available.
A closer look at the hardware
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.
Keep the supporting material together
Server directory
Continue the relevant directory or service flow.
Open resourceServer configurator
Use the connected tool to develop the requirement.
Open resourceBuying guides
Retain the supporting reference with your project brief.
Open resourceTurn the brief into the next step
Server platforms
Keep the requirement specific.
Exact chassis model recorded · CPU and DIMM plan attached · Drive backplane and risers identified · Rails and power requirements listed.