The Sun XTA-3510-73GB-10K is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Sun Part Number: XTA-3510-73GB-10K Details: Sun 73Gb 10000Rpm Fibre Channel Hot-Swap 3.5Inch Hard Disk Drive With Tray For Sun Storedge 3510 Array.