According to the disk identity screen. 3 out of the 10, identical 20TB drives I just installed are being downgraded to 1.5Gps. They were all ordered direct from Western Digital. I've tried moving them around to different slots but it doesn't change anything. Thanks!
3 of the disk look like this:
Device model: WDC WD201KFGX-68BKJN0
Serial number: XXXXXXXXXX
LU WWN device id: 5 000cca 2edc10dea
Firmware version: 83.00A83
User capacity: 20,000,588,955,648 bytes [20.0 TB]
Sector sizes: 512 bytes logical, 4096 bytes physical
Rotation rate: 7200 rpm
Form factor: 3.5 inches
Device: Not in smartctl database 7.3/5440
ATA version: ACS-5 (minor revision not indicated)
SATA version: SATA 3.5, 6.0 Gb/s (current: 1.5 Gb/s) <<<<<<<<<<<<<<<-----------------
Local time: Fri Dec 8 12:47:10 2023 CST
Other 7 all show this as the only difference:
SATA version: SATA 3.2, 6.0 Gb/s (current: 3.0 Gb/s)
Hardware Info:
OS: Unraid 6.12.3
Chassis: SuperChassis 846BA-R920B
Motherboard: Supermicro X9DRH-7TF/7F/iTF/iF , Version 1234567890
Backplane 24-Port 4U SAS 6Gbps direct-attached backplane, support up to 24x 3.5-inch SAS2/SATA3 HDD/SSD
HBA card: Broadcom / LSI SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] (rev 03) SAS/SATA
EXPANDER CARD: HP 487738-001
Memory: 112 GiB DDR3 Multi-bit ECC
PROCESSORS x2: Intel® Xeon® CPU E5-2680 v2 @ 2.80GHz
Mellanox Technologies MT26448 [ConnectX EN 10GigE, PCIe 2.0 5GT/s] (rev b0)