Part number Y796F
Price: $11.20 USD
DELL HARD DRIVE TRAY / CADDY 3.5 INCH LARGE FORM FACTOR LFF HOT PLUG FOR DELL EMC POWEREDGE C6400 ( C6420 ) / R340 / R440 / R540 / R550 / R640 / R650 / R650XS / R740 / R740XD / R6525 / R7415 / PRECISION 7920 RACK WORKSTATION ( R7920 )
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You can attempt to extract the firmware from the Windows driver version using a tool like 7-ZIP. Additionally, check the Dell support page for the R340 to find any available firmware updates that may not be prominently listed. [community thread]
To install a 2.5" NVMe SSD in a 3.5" hot-swap bay, you will need a 3.5" LFF tray and a 2.5"-to-3.5" adapter. However, for proper NVMe functionality, it is recommended to use a PCIe adapter card instead of relying on the drive bays, as NVMe drives require a different connection type. [community thread]
It is generally safe to update both the BIOS and iDRAC firmware to the latest versions. It is recommended to update the iDRAC firmware before proceeding with the BIOS update. [community thread]
Both a NIC card and a built-in DVD/RW drive can be used with the R550. To ensure compatibility, check the Dell Support page with your server's service tag for a list of supported hardware, or refer to the official specification sheet for detailed options. [community thread]
The right ear for the PowerEdge R340 has two part numbers: the original is C0XH4, and the version 2 is P6CV8. [community thread]