The service platform is for Huawei 2288Hv5 20sff (8sas12nvme) 2 x 550W or 900W power supplies all used for general high-performance support system 8 SAS/SATA 2.5 DSC 12 DSC, NVMe U2 format 2.5 Battery: LGA3647 RAID controller 12Gb/s SR430C-M 1G LSI3108 SAS/SATA RAID Card, RAID 0, 1, 5, 6, 10, 50, 60, 1GB Cache) - 2 x 550W