XB3000 300GB SATA HARD DRIVE KIT (BROWN Now you can back up critical documents and still have plenty of room for other storage. The HP 300GB Hard Drive Kit for xb3000 Expansion Base is perfect for backing up all your data, photos, and video clips. Just dock your notebook PC in the xb3000 Expansion Base and add this high-capacity, pre-formatted desktop hard drive and you're all set. Back up loads of material with the 300GB capacity. Get speedy performance while running applications and accessing photos and videos with the drive's 7200 rpm. Save space: this integrated drive won't clutter your desk and doesn't need a USB port. Install fast: just plug and play. Compatibility: Windows XP.