Lenovo 4X77A08635 memory module 64 GB 1 x 64 GB DDR4 288-pin DIMM ECC

Product Overview

AI-generated summary

At £1,578.95 ex-VAT for a single 64GB DDR4 ECC RDIMM, this Lenovo-branded module is an “only if it’s exactly what you need” kind of purchase. If you’re expanding a Lenovo server that’s already running with matched memory and your job is stability-first—things like virtualization hosts, small databases, or any workload where ECC correctness matters—then buying the exact Lenovo part number can be worth the premium. In the real world, the pain you’re avoiding is not matching the right spec/profile and ending up with boot/compatibility headaches that waste far more time than the difference in price.

That said, I wouldn’t buy this on principle if you just need more RAM and you’re flexible on source. For a single stick at this price, you’re paying a lot for “certainty,” and many systems will happily take equivalent ECC RDIMMs from reputable suppliers—often with better value. Also, if you’re trying to run performance-sensitive workloads, one module alone won’t necessarily give you the memory throughput you actually want; multi-channel population (and staying aligned with the platform’s recommended layout) matters. So: buy it only if your server is already configured around this specific Lenovo memory type and you’re doing a precise upgrade. Otherwise, look for a compatible non-Lenovo ECC RDIMM option—your budget will thank you.