· Best highcapacity P4 shredder. Check price at: Level: P4 | Sheet capacity: 15 sheets | Bin capacity: 6 gallon. The AmazonBasics 15Sheet is a highcapacity shredder for home office users. This shredder is perfect for intensive shredding work, and it can shred up to 15 sheets into confettilike pieces measuring 3/16 by 17/32 inches. Feed the shredding machine with up to 15 sheets of ...