Samsung SFD-321B 1.44MB 3.5-inch Floppy Drive Internal 34-Pin FDD

Samsung SFD-321B 1.44MB 3.5-inch Floppy Drive Internal 34-Pin FDD

This is a standard internal 3.5-inch floppy disk drive (FDD) designed for desktop computers and legacy systems. The SFD-321B connects via a 34-pin ribbon interface and requires DC 5V power at 0.7A. It stores and reads 1.44MB standard floppy disks, the universal capacity that dominated personal computing through the 1990s and 2000s.

Specifications & What's Included

• Model: Samsung SFD-321B
• Manufacturer Part Number (MPN): P4BKC40840
• Form Factor: 3.5-inch internal drive
• Storage Capacity: 1.44MB
• Interface: 34-Pin Ribbon / Floppy Power connector
• Power Requirement: DC 5V, 0.7A
• Revision: REV T1
• Certifications: CE, UL, TÜV
• Country of Manufacture: China
• Bezel: Not included (drive unit only)
• Condition: Tested and in working order

Applications

The SFD-321B was standard equipment in desktop PCs throughout the 1990s and 2000s, providing the primary means of reading, writing, and distributing software via 1.44MB floppy disks. This drive type is compatible with any legacy system featuring a standard 34-pin floppy interface — including older industrial equipment, point-of-sale systems, industrial control stations, and vintage arcade/gaming hardware that relied on floppy-based boot or data disks. Today, these drives are sought by enthusiasts restoring vintage PC builds, maintaining legacy systems still in service, and collectors preserving early computing hardware. The SFD-321B remains one of the most common and reliable drives from that era.