SSD for HP EliteBook 840 G5 Notebook clarification

[Magellan1186]

Hi everyone!

Trying to clarify the matter with SSD upgrade for EliteBook 840 G5, I've found a discussion in which there was a reply from Huffer, saying that the one shall look for either key "B" or "B+M" key at the SSD to upgrade with. Most probably there is some misleading in the answer, 'cause "M" keyed SSDes are definitely supported - at least HP L17246-001 (which is suggested in the HP's Maintenance and Service Guide along with a number of other "M" keyed SSDes) + Samsung 980 MZ-V8V1T0BW (by experience). Maybe "M" keyed SSD will not work at full performance, since "B" key pins might be missing at notebook, letting use "B" keyed SSD?

[banhien]

@Magellan1186 

You can use Samsung 980 EVO M.2 NVMe SSD (Gen 3)

               https://www.samsung.com/au/memory-storage/nvme-ssd/980-1tb-nvme-pcie-gen-3-mz-v8v1t0bw/

You can also use PCIe Gen 4 M.2 NVMe SSD but it also run at 50% speed.. My 840 G5 machine came with 256GB, I upgraded to 2TB Samsung M.2 NVMe SSD 3 months ago.

>>>> Maybe "M" keyed SSD will not work at full performance, since "B" key pins might be missing at notebook, letting use "B" keyed SSD?

Please do NOT confuse B and B+M. Not all machines support BOTH types of M.2 drives. Many machines ONLY support M.2 SATA drives .Your HP 840 G5 supports M.2 NVMe - You can see its picture on the previous link.. More information

              https://www.atpinc.com/blog/what-is-m.2-M-B-BM-key-socket-3

Regards.