Datamation Systems GatherRound carts are the most compact, user-friendly and affordable cart systems you can find. If you want a cart that syncs and charges, the DS-GR-T-S24-SC will handle up to 24 tablets or iPads and a MacBook or other notebook host. The DS-GR-T-S24-SC will simultaneously sync 24 tablets to appropriate software. The durable sync and charge system is powered by state-of-the-art universal USB hubs; universal and future-proof with user-upgradeable firmware and meets all applicable specifications.