4 IDE Hard Disk Drives. Tested and working. Maxtor Diamond Max Plus 8 40GB ATA 133 17th Sept 2004 Seagate Barracuda ATA IV 40GB Maxtore Diamond Max Plus 9 80GB ATA 133 18th Oct 2003 Western Digital WD Caviar 800BB 80GB 6th Feb 2007 Ideal for older systems, collectors and vintage computers. Thanks for looking
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