2pack value set for server storage replacement and bulk deployment; 1to4 breakout: Single SFF8087 port expands to four SFF8482 SAS/SATA drive connectors; Integrated SATA power delivery powers HDD/SSD without extra power cables; Highspeed stable transmission for enterprise RAID controllers and storage backplanes; 1meter length for flexible internal server wiring with durable antiinterference shielding