Siotra Limited, based in Mansfield, Nottinghamshire supply a superb range of internal and external hard drives. The company specialises in storage and offers a free of charge installation service for ALL internal hard drives. We also offer a GUARANTEED 24 hour 'HOT SWAP' service. This means if your drive fails for what ever reason, we will SWAP the drive with a replacement within 24 hours. This service is available for all our customers within 30 minutes of our Head Office in Mansfield.