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Description
The Lenovo lenovo 4x77a88087 is a 16GB truddrr5 memory module rated at 5600mhz rdimm. Part number 4X77A88087 is a single-rank x8 RDIMM for ThinkSystem platforms that accept DDR5-5600 registered memory. This offer is $890.00 per unit.
Buyers comparing a 16gb ddr5 rdimm look at rank, speed, and whether the module is on the platform support list. This lenovo thinksystem memory keeps 4X77A88087 in the title so the shipment matches the part you ordered, not a same-size module from another vendor.
TruDDR5 is Lenovo tested DDR5 registered memory. A 1rx8 memory module uses a 1Rx8 organization. Registered ECC corrects single-bit errors and presents a stable electrical load to the memory controller, which matters when many sockets are populated.
Speed is 5600mhz rdimm. The platform may train this 16gb ddr5 rdimm at 5600MT/s or step down when the installed mix, slot population, or processor memory controller requires a lower rate. Match every module in a channel for capacity, rank, and speed.
Use this truddrr5 memory as a capacity upgrade or a matched spare. The commercial unit price is $890.00 per unit. Record part number 4X77A88087, 16GB, and 1Rx8 on the asset record before the module goes into a production host.
Key Features
- Part Number — lenovo 4x77a88087, Lenovo ThinkSystem TruDDR5.
- Capacity — 16GB 16gb ddr5 rdimm.
- Speed — 5600mhz rdimm, DDR5 registered DIMM.
- Rank — 1Rx8 1rx8 memory module, single-rank x8.
- Type — ECC RDIMM for ThinkSystem memory slots that list this lenovo thinksystem memory.
- Price — $890.00 per unit.
Configuration
| Component | Specification / Detail |
|---|---|
| Part Number | 4X77A88087 |
| Brand | Lenovo |
| Model | ThinkSystem 16GB TruDDR5 5600MHz 1Rx8 RDIMM |
| Capacity | 16GB |
| Speed | 5600MHz |
| Rank | 1Rx8 |
| Type | TruDDR5 ECC RDIMM |
| Price | $890.00 per unit |
Compatibility
Install 4X77A88087 only in a ThinkSystem that lists this 16gb ddr5 rdimm in its memory support matrix. DDR5 RDIMM slots are not compatible with DDR4, UDIMM, or LRDIMM just because the capacity looks similar.
Populate channels in the order the platform guide describes. Mixing 1Rx8 modules with a different rank or speed in the same channel can drop the trained rate or prevent POST. Keep a channel on one part number when you can.
Firmware and the processor memory controller decide the final rate. A 5600mhz rdimm label is the module specification, not a promise that every host will run at 5600MHz with every population. Check the Lenovo support document for the exact machine type before purchase.
Usage Scenarios
Capacity upgrade: Add this 16gb ddr5 rdimm when a ThinkSystem host needs more memory for virtual machines or databases and the empty slots accept truddrr5 memory.
Matched spare: Stock part number lenovo 4x77a88087 so a failed slot can be replaced with the same 16GB, the same 1Rx8, and the same 5600mhz rdimm.
New build: Fill a supported platform with identical 1rx8 memory module modules. Identical parts make channel population predictable and simplify later expansion of this lenovo thinksystem memory.
Lab and staging: Use one 4X77A88087 module to validate slot mapping and trained speed before you buy a full set. Confirm POST and the reported rate in the management controller.
Refresh: Replace older DDR4 capacity with this truddrr5 memory only on hosts built for DDR5. The unit price is $890.00 per unit. Scale the quantity to the number of slots you intend to fill, and keep one extra module as a cold spare.
Frequently Asked Questions
Q: What is the part number of this 16GB TruDDR5 module?
A: The part number is 4X77A88087. Order lenovo 4x77a88087 when you need this exact 16gb ddr5 rdimm.
Q: What do 1Rx8 and 5600MHz mean?
A: 1Rx8 is a single-rank x8 organization. 5600mhz rdimm is the module data rate. The host may train lower if the platform rules require it.
Q: Can this RDIMM mix with a different Lenovo memory module?
A: Do not mix it in the same channel with another capacity, rank, or speed. Use the same lenovo thinksystem memory across a channel. A different Lenovo DDR5 RDIMM still has to be on that platform support list.
Q: Is $890.00 per unit the price for one module?
A: Yes. $890.00 per unit is the unit price for one 4X77A88087 1rx8 memory module. Capacity on the label is 16GB.
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