1TB 7200rpm 2.5" Hard Drive for Acer Aspire 4820TZG 4830T 4830TG 4920 4920G 4925 4925G Laptops Interface: SATA, Capacity: 1000GB, RPM: 7200RPM, Cache: 16MB/32MB, Size: 2.5 Inchs, 3.0Gb/s or 6.0Gb/s Package Include: 1000GB 7200RPM 16MB/32MB Hard Disk Drive This Product Has 3 Years Warranty And 30 Days Money Back Guarantee