CH121 V3 hard disks

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The CH121 V3 supports two 2.5-inch HHDs or SSDs and allows mixed configuration of an HDD and an SSD. The hard disk backplane provides two SAS/SATA ports for connecting to hard disks. Each hard disk is hot-swappable and can be independently installed and removed.
Maximum storage capacity: 2.4 TB if the compute node is fully configured with 1.2 TB SAS HDDs
Maximum storage capacity: 2 TB if the compute node is fully configured with 1 TB SATA HDDs
Maximum storage capacity: 1.6 TB if the compute node is fully configured with 800 GB SSDs

Other related questions:
What is the function of hard disks in the RH1288 V3
The RH1288 V3 uses hot-swappable hard disks to store data. It supports the following hard disk configurations: RH1288 V3-8S: supports a maximum of eight 2.5-inch SAS HDDs, SATA HDDs, or SSDs. RH1288 V3-8S: supports a maximum of four 2.5-inch SAS HDDs, SATA HDDs, or SSDs, and four NVMe PCIe SSDs. RH1288 V3-4S: supports a maximum of four 3.5-inch SAS or SATA HDDs.

What is the function of hard disks in the RH2288 V3
The RH2288 V3 uses hot-swappable hard disks to store data. It supports the following hard disk configurations: RH2288 V3-8S: supports a maximum of eight 2.5-inch SAS HDDs, SATA HDDs, or SSDs. RH2288 V3-8S: supports a maximum of four 2.5-inch SAS HDDs, SATA HDDs, or SSDs, and four NVMe PCIe SSDs. RH2288 V3-4S: supports a maximum of four 3.5-inch SAS or SATA HDDs.

What is the function of the hard disk backplane in the RH1288 V3
The hard disk backplane provides power supply to and data transmission channels for hard disks. The RH1288 V3 supports two types of hard disk backplanes: Backplane for 2.5-inch hard disks Backplane for 2.5-inch hard disks (including four NVMe PCIe SSDs) Backplane for 3.5-inch hard disks

What is the function of the hard disk backplane in the RH2288 V3
The hard disk backplane provides power supply to and data transmission channels for hard disks. The RH2288 V3 supports two types of hard disk backplanes: Backplane for 2.5-inch hard disks Backplane for 2.5-inch hard disks (including four NVMe PCIe SSDs) Backplane for 3.5-inch hard disks

Whether the USG6650 hard disk has a hard disk card
The USG6650 supports two types of hard disks, namely, SM-HDD-SAS300G-A and SM-HDD-SAS300G-B. Model A uses the tray of the device, and model B has its own tray.

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