| 0xB0 | MG10ACA | 3.5″ SATA / SAS | Expanded 10-platter Helium architecture pushing past 20TB |
| 0xA8 | MG09ACA | 3.5″ SATA / SAS | Flux-Control Microwave-Assisted Magnetic Recording (FC-MAMR) series |
| 0xA0 | MG08ACA | 3.5″ SATA / SAS | 16TB generation Helium platform using 512e formatting |
| 0x98 | MG07ACA | 3.5″ SATA / SAS | First Helium-sealed 9-platter drive platform |
| 0x90 | MG06ACA | 3.5″ SATA / SAS | High reliability enterprise workhorse architecture |
| 0x88 | MG05ACA | 3.5″ SATA / SAS | Standard PMR Enterprise series reaching up to 8TB |
| 0x80 | MG04ACA | 3.5″ SATA / SAS | Enterprise hardware platform featuring 4Kn sector support |
| 0x78 | MD04ACA | 3.5″ SATA | Mid-tier enterprise progression (e.g., MD04ACA400) |
| 0x74 | DT02ACA | 3.5″ SATA | Desktop client SMR platform replacing the DT01 generation |
| 0x70 | MQ04ABD | 2.5″ SATA | Shingled Magnetic Recording (SMR) generation baseline (e.g., MQ04ABD200) |
| 0x68 | MC04ACA | 3.5″ SATA | Enterprise Cloud-optimized high-density platform |
| 0x64 | MQ03ABB | 2.5″ SATA | 15mm thick ultra-high capacity mobile drive (e.g., MQ03ABB300) |
| 0x60 | MG03ACA | 3.5″ SATA / SAS | Enterprise Capacity class baseline architecture |
| 0x58 | MD03ACA | 3.5″ SATA | Early Enterprise and Cloud storage architecture |
| 0x54 | MQ01BBD | 2.5″ SATA | Thick form factor high-density multi-platter mobile drive |
| 0x50 | DT01ACA | 3.5″ SATA | First desktop lineup built on the acquired Hitachi (HDS7210) platform |
| 0x48 | MQ02ABF | 2.5″ SATA | Dual-platter thin series (e.g., MQ02ABF100) |
| 0x44 | MQ02ABD | 2.5″ SATA | Secondary generation MQ, early SSHD hybrid variants |
| 0x40 | MQ01AAD | 2.5″ SATA | Automotive-grade high-temperature spin-off series |
| 0x3C | MQ01ABF | 2.5″ SATA | Thin 7mm form-factor variant of the MQ01 standard |
| 0x34 | MQ01ABD | 2.5″ SATA | Landmark Advanced Format 4K family (e.g., MQ01ABD100) |
| 0x32 | MBD | 2.5″ SATA | Transition architecture to MQ-series (e.g., MK5076GSX) |
| 0x30 | ABD (A0) | 2.5″ SATA | Firmware revision update of the primary ABD architecture |
| 0x28 | ACF | 2.5″ SATA | Slim 7mm height baseline family (e.g., MQ01ACF050) |
| 0x24 | ACE | 1.8″ Micro-SATA | Late-stage ultra-portable drives (e.g., MK1633GSG) |
| 0x22 | BBD | 2.5″ SATA | Parallel generation to BBC, common in OEM laptops |
| 0x20 | BBC | 2.5″ SATA | High capacity mobile generation (e.g., MK7559GSXP) |
| 0x1C | ABC | 2.5″ SATA | Variant of ABD with adjusted sectors/heads |
| 0x18 | ABD | 2.5″ SATA | Widespread standard consumer line (e.g., MK3265GSX, MK5065GSX) |
| 0x14 | GAY | 1.8″ PATA / CE-ATA | Ultra-mobile devices (e.g., MK8022GAY) |
| 0x08 | GSX | 2.5″ SATA | Early Native SATA generation (e.g., MK8034GSX, MK1237GSX) |
| 0x04 | GAL | 1.8″ IDE / ZIF | Sub-notebook and early iPod drives (e.g., MK4004GAL) |
| 0x02 | GAX | 2.5″ IDE | 5400 RPM performance PATA drives (e.g., MK6022GAX) |
| 0x01 | GAS | 2.5″ IDE | Early MK series (e.g., MK4019GAS, MK3021GAS) |
